AyeCode / invoicing

includes/class-wpinv-invoice.php

Spacing +746 added lines, -746 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Invoice class.
@@ -135,40 +135,40 @@ 
 	 *
 	 * @param  int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object to read.
 	 */
-    public function __construct( $invoice = 0 ) {
+    public function __construct($invoice = 0) {
 
-        parent::__construct( $invoice );
+        parent::__construct($invoice);
 
-		if ( ! empty( $invoice ) && is_numeric( $invoice ) && getpaid_is_invoice_post_type( get_post_type( (int) $invoice ) ) ) {
-			$this->set_id( (int) $invoice );
-		} elseif ( $invoice instanceof self ) {
-			$this->set_id( $invoice->get_id() );
-		} elseif ( ! empty( $invoice->ID ) ) {
-			$this->set_id( $invoice->ID );
-		} elseif ( is_array( $invoice ) ) {
-			$this->set_props( $invoice );
+		if (!empty($invoice) && is_numeric($invoice) && getpaid_is_invoice_post_type(get_post_type((int) $invoice))) {
+			$this->set_id((int) $invoice);
+		} elseif ($invoice instanceof self) {
+			$this->set_id($invoice->get_id());
+		} elseif (!empty($invoice->ID)) {
+			$this->set_id($invoice->ID);
+		} elseif (is_array($invoice)) {
+			$this->set_props($invoice);
 
-			if ( isset( $invoice['ID'] ) ) {
-				$this->set_id( $invoice['ID'] );
+			if (isset($invoice['ID'])) {
+				$this->set_id($invoice['ID']);
 			}
 
-		} elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'key' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'number' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'transaction_id' ) ) {
-			$this->set_id( $invoice_id );
-		}else {
-			$this->set_object_read( true );
+		} elseif (is_string($invoice) && $invoice_id = self::get_invoice_id_by_field($invoice, 'key')) {
+			$this->set_id($invoice_id);
+		} elseif (is_string($invoice) && $invoice_id = self::get_invoice_id_by_field($invoice, 'number')) {
+			$this->set_id($invoice_id);
+		} elseif (is_string($invoice) && $invoice_id = self::get_invoice_id_by_field($invoice, 'transaction_id')) {
+			$this->set_id($invoice_id);
+		} else {
+			$this->set_object_read(true);
 		}
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+		$this->data_store = GetPaid_Data_Store::load($this->data_store_name);
 
-		if ( $this->get_id() > 0 ) {
-            $this->post = get_post( $this->get_id() );
+		if ($this->get_id() > 0) {
+            $this->post = get_post($this->get_id());
             $this->ID   = $this->get_id();
-			$this->data_store->read( $this );
+			$this->data_store->read($this);
         }
 
     }
@@ -183,38 +183,38 @@ 
 	 * @since 1.0.15
 	 * @return int
 	 */
-	public static function get_invoice_id_by_field( $value, $field = 'key' ) {
+	public static function get_invoice_id_by_field($value, $field = 'key') {
         global $wpdb;
 
 		// Trim the value.
-		$value = trim( $value );
+		$value = trim($value);
 
-		if ( empty( $value ) ) {
+		if (empty($value)) {
 			return 0;
 		}
 
         // Valid fields.
-        $fields = array( 'key', 'number', 'transaction_id' );
+        $fields = array('key', 'number', 'transaction_id');
 
 		// Ensure a field has been passed.
-		if ( empty( $field ) || ! in_array( $field, $fields ) ) {
+		if (empty($field) || !in_array($field, $fields)) {
 			return 0;
 		}
 
 		// Maybe retrieve from the cache.
-		$invoice_id   = wp_cache_get( $value, "getpaid_invoice_{$field}s_to_invoice_ids" );
-		if ( false !== $invoice_id ) {
+		$invoice_id = wp_cache_get($value, "getpaid_invoice_{$field}s_to_invoice_ids");
+		if (false !== $invoice_id) {
 			return $invoice_id;
 		}
 
         // Fetch from the db.
         $table       = $wpdb->prefix . 'getpaid_invoices';
         $invoice_id  = (int) $wpdb->get_var(
-            $wpdb->prepare( "SELECT `post_id` FROM $table WHERE `$field`=%s LIMIT 1", $value )
+            $wpdb->prepare("SELECT `post_id` FROM $table WHERE `$field`=%s LIMIT 1", $value)
         );
 
 		// Update the cache with our data
-		wp_cache_set( $value, $invoice_id, "getpaid_invoice_{$field}s_to_invoice_ids" );
+		wp_cache_set($value, $invoice_id, "getpaid_invoice_{$field}s_to_invoice_ids");
 
 		return $invoice_id;
     }
@@ -222,8 +222,8 @@ 
     /**
      * Checks if an invoice key is set.
      */
-    public function _isset( $key ) {
-        return isset( $this->data[$key] ) || method_exists( $this, "get_$key" );
+    public function _isset($key) {
+        return isset($this->data[$key]) || method_exists($this, "get_$key");
     }
 
     /*
@@ -248,8 +248,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_parent_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'parent_id', $context );
+	public function get_parent_id($context = 'view') {
+		return (int) $this->get_prop('parent_id', $context);
     }
 
     /**
@@ -259,7 +259,7 @@ 
 	 * @return WPInv_Invoice
 	 */
     public function get_parent_payment() {
-        return new WPInv_Invoice( $this->get_parent_id() );
+        return new WPInv_Invoice($this->get_parent_id());
     }
 
     /**
@@ -279,8 +279,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+	public function get_status($context = 'view') {
+		return $this->get_prop('status', $context);
 	}
 	
 	/**
@@ -290,7 +290,7 @@ 
 	 * @return array
 	 */
 	public function get_all_statuses() {
-		return wpinv_get_invoice_statuses( true, true, $this );
+		return wpinv_get_invoice_statuses(true, true, $this);
     }
 
     /**
@@ -302,9 +302,9 @@ 
     public function get_status_nicename() {
 		$statuses = $this->get_all_statuses();
 
-        $status = isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : $this->get_status();
+        $status = isset($statuses[$this->get_status()]) ? $statuses[$this->get_status()] : $this->get_status();
 
-        return apply_filters( 'wpinv_get_invoice_status_nicename', $status, $this );
+        return apply_filters('wpinv_get_invoice_status_nicename', $status, $this);
     }
 
 	/**
@@ -315,7 +315,7 @@ 
 	 */
 	public function get_status_class() {
 		$statuses = getpaid_get_invoice_status_classes();
-		return isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : 'badge-dark';
+		return isset($statuses[$this->get_status()]) ? $statuses[$this->get_status()] : 'badge-dark';
 	}
 
 	/**
@@ -326,9 +326,9 @@ 
      */
     public function get_status_label_html() {
 
-		$status_label = sanitize_text_field( $this->get_status_nicename() );
-		$status       = sanitize_html_class( $this->get_status() );
-		$class        = esc_attr( $this->get_status_class() );
+		$status_label = sanitize_text_field($this->get_status_nicename());
+		$status       = sanitize_html_class($this->get_status());
+		$class        = esc_attr($this->get_status_class());
 
 		return "<span class='bsui'><span class='badge $class $status'>$status_label</span></span>";
 	}
@@ -340,23 +340,23 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
+	public function get_version($context = 'view') {
+		return $this->get_prop('version', $context);
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function get_invoice_date( $format = true ) {
-		$date      = getpaid_format_date( $this->get_date_completed() );
-		$date      = empty( $date ) ? $this->get_date_created() : $this->get_date_completed();
-		$formatted = getpaid_format_date( $date );
+	public function get_invoice_date($format = true) {
+		$date      = getpaid_format_date($this->get_date_completed());
+		$date      = empty($date) ? $this->get_date_created() : $this->get_date_completed();
+		$formatted = getpaid_format_date($date);
 
-		if ( $format ) {
+		if ($format) {
 			return $formatted;
 		}
 
-		return empty( $formatted ) ? '' : $date;
+		return empty($formatted) ? '' : $date;
 
     }
 
@@ -367,8 +367,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
+	public function get_date_created($context = 'view') {
+		return $this->get_prop('date_created', $context);
 	}
 	
 	/**
@@ -378,8 +378,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_created_date( $context = 'view' ) {
-		return $this->get_date_created( $context );
+	public function get_created_date($context = 'view') {
+		return $this->get_date_created($context);
     }
 
     /**
@@ -389,11 +389,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created_gmt( $context = 'view' ) {
-        $date = $this->get_date_created( $context );
+	public function get_date_created_gmt($context = 'view') {
+        $date = $this->get_date_created($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -405,8 +405,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
+	public function get_date_modified($context = 'view') {
+		return $this->get_prop('date_modified', $context);
 	}
 
 	/**
@@ -416,8 +416,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_modified_date( $context = 'view' ) {
-		return $this->get_date_modified( $context );
+	public function get_modified_date($context = 'view') {
+		return $this->get_date_modified($context);
     }
 
     /**
@@ -427,11 +427,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
-        $date = $this->get_date_modified( $context );
+	public function get_date_modified_gmt($context = 'view') {
+        $date = $this->get_date_modified($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -443,8 +443,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_due_date( $context = 'view' ) {
-		return $this->get_prop( 'due_date', $context );
+	public function get_due_date($context = 'view') {
+		return $this->get_prop('due_date', $context);
     }
 
     /**
@@ -454,8 +454,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_due( $context = 'view' ) {
-		return $this->get_due_date( $context );
+	public function get_date_due($context = 'view') {
+		return $this->get_due_date($context);
     }
 
     /**
@@ -465,11 +465,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_due_date_gmt( $context = 'view' ) {
-        $date = $this->get_due_date( $context );
+	public function get_due_date_gmt($context = 'view') {
+        $date = $this->get_due_date($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -481,8 +481,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_gmt_date_due( $context = 'view' ) {
-		return $this->get_due_date_gmt( $context );
+	public function get_gmt_date_due($context = 'view') {
+		return $this->get_due_date_gmt($context);
     }
 
     /**
@@ -492,8 +492,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_completed_date( $context = 'view' ) {
-		return $this->get_prop( 'completed_date', $context );
+	public function get_completed_date($context = 'view') {
+		return $this->get_prop('completed_date', $context);
     }
 
     /**
@@ -503,8 +503,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_completed( $context = 'view' ) {
-		return $this->get_completed_date( $context );
+	public function get_date_completed($context = 'view') {
+		return $this->get_completed_date($context);
     }
 
     /**
@@ -514,11 +514,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_completed_date_gmt( $context = 'view' ) {
-        $date = $this->get_completed_date( $context );
+	public function get_completed_date_gmt($context = 'view') {
+        $date = $this->get_completed_date($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -530,8 +530,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_gmt_completed_date( $context = 'view' ) {
-		return $this->get_completed_date_gmt( $context );
+	public function get_gmt_completed_date($context = 'view') {
+		return $this->get_completed_date_gmt($context);
     }
 
     /**
@@ -541,12 +541,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_number( $context = 'view' ) {
-		$number = $this->get_prop( 'number', $context );
+	public function get_number($context = 'view') {
+		$number = $this->get_prop('number', $context);
 
-		if ( empty( $number ) ) {
+		if (empty($number)) {
 			$number = $this->generate_number();
-			$this->set_number( $this->generate_number() );
+			$this->set_number($this->generate_number());
 		}
 
 		return $number;
@@ -560,8 +560,8 @@ 
 	public function maybe_set_number() {
         $number = $this->get_number();
 
-        if ( empty( $number ) || $this->get_id() == $number ) {
-			$this->set_number( $this->generate_number() );
+        if (empty($number) || $this->get_id() == $number) {
+			$this->set_number($this->generate_number());
         }
 
 	}
@@ -573,8 +573,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_key( $context = 'view' ) {
-        return $this->get_prop( 'key', $context );
+	public function get_key($context = 'view') {
+        return $this->get_prop('key', $context);
 	}
 
 	/**
@@ -585,9 +585,9 @@ 
 	public function maybe_set_key() {
         $key = $this->get_key();
 
-        if ( empty( $key ) ) {
-            $key = $this->generate_key( $this->get_type() . '_' );
-            $this->set_key( $key );
+        if (empty($key)) {
+            $key = $this->generate_key($this->get_type() . '_');
+            $this->set_key($key);
         }
 
     }
@@ -599,8 +599,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_type( $context = 'view' ) {
-        return $this->get_prop( 'type', $context );
+	public function get_type($context = 'view') {
+        return $this->get_prop('type', $context);
 	}
 
 	/**
@@ -610,7 +610,7 @@ 
 	 * @return string
 	 */
 	public function get_invoice_quote_type() {
-        return getpaid_get_post_type_label( $this->get_post_type(), false );
+        return getpaid_get_post_type_label($this->get_post_type(), false);
     }
 
     /**
@@ -620,8 +620,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_label( $context = 'view' ) {
-        return getpaid_get_post_type_label( $this->get_post_type( $context ), false );
+	public function get_label($context = 'view') {
+        return getpaid_get_post_type_label($this->get_post_type($context), false);
 	}
 
 	/**
@@ -631,8 +631,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_post_type( $context = 'view' ) {
-        return $this->get_prop( 'post_type', $context );
+	public function get_post_type($context = 'view') {
+        return $this->get_prop('post_type', $context);
     }
 
     /**
@@ -642,8 +642,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_mode( $context = 'view' ) {
-        return $this->get_prop( 'mode', $context );
+	public function get_mode($context = 'view') {
+        return $this->get_prop('mode', $context);
     }
 
     /**
@@ -653,13 +653,13 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_path( $context = 'view' ) {
-        $path   = $this->get_prop( 'path', $context );
+	public function get_path($context = 'view') {
+        $path = $this->get_prop('path', $context);
 		$prefix = $this->get_type();
 
-		if ( 0 !== strpos( $path, $prefix ) ) {
-			$path = sanitize_title(  $prefix . '-' . $this->get_id()  );
-			$this->set_path( $path );
+		if (0 !== strpos($path, $prefix)) {
+			$path = sanitize_title($prefix . '-' . $this->get_id());
+			$this->set_path($path);
 		}
 
 		return $path;
@@ -672,8 +672,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_name( $context = 'view' ) {
-        return $this->get_prop( 'title', $context );
+	public function get_name($context = 'view') {
+        return $this->get_prop('title', $context);
     }
 
     /**
@@ -683,8 +683,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
+	public function get_title($context = 'view') {
+		return $this->get_name($context);
     }
 
     /**
@@ -694,8 +694,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_description( $context = 'view' ) {
-		return $this->get_prop( 'description', $context );
+	public function get_description($context = 'view') {
+		return $this->get_prop('description', $context);
     }
 
     /**
@@ -705,8 +705,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_excerpt( $context = 'view' ) {
-		return $this->get_description( $context );
+	public function get_excerpt($context = 'view') {
+		return $this->get_description($context);
     }
 
     /**
@@ -716,8 +716,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_summary( $context = 'view' ) {
-		return $this->get_description( $context );
+	public function get_summary($context = 'view') {
+		return $this->get_description($context);
     }
 
     /**
@@ -727,25 +727,25 @@ 
      * @param  string $context View or edit context.
 	 * @return array
 	 */
-    public function get_user_info( $context = 'view' ) {
+    public function get_user_info($context = 'view') {
 
         $user_info = array(
-            'user_id'    => $this->get_user_id( $context ),
-            'email'      => $this->get_email( $context ),
-            'first_name' => $this->get_first_name( $context ),
-            'last_name'  => $this->get_last_name( $context ),
-            'address'    => $this->get_address( $context ),
-            'phone'      => $this->get_phone( $context ),
-            'city'       => $this->get_city( $context ),
-            'country'    => $this->get_country( $context ),
-            'state'      => $this->get_state( $context ),
-            'zip'        => $this->get_zip( $context ),
-            'company'    => $this->get_company( $context ),
-            'vat_number' => $this->get_vat_number( $context ),
-            'discount'   => $this->get_discount_code( $context ),
+            'user_id'    => $this->get_user_id($context),
+            'email'      => $this->get_email($context),
+            'first_name' => $this->get_first_name($context),
+            'last_name'  => $this->get_last_name($context),
+            'address'    => $this->get_address($context),
+            'phone'      => $this->get_phone($context),
+            'city'       => $this->get_city($context),
+            'country'    => $this->get_country($context),
+            'state'      => $this->get_state($context),
+            'zip'        => $this->get_zip($context),
+            'company'    => $this->get_company($context),
+            'vat_number' => $this->get_vat_number($context),
+            'discount'   => $this->get_discount_code($context),
 		);
 
-		return apply_filters( 'wpinv_user_info', $user_info, $this->get_id(), $this );
+		return apply_filters('wpinv_user_info', $user_info, $this->get_id(), $this);
 
     }
 
@@ -756,8 +756,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
+	public function get_author($context = 'view') {
+		return (int) $this->get_prop('author', $context);
     }
 
     /**
@@ -767,8 +767,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_user_id( $context = 'view' ) {
-		return $this->get_author( $context );
+	public function get_user_id($context = 'view') {
+		return $this->get_author($context);
     }
 
      /**
@@ -778,8 +778,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_id( $context = 'view' ) {
-		return $this->get_author( $context );
+	public function get_customer_id($context = 'view') {
+		return $this->get_author($context);
     }
 
     /**
@@ -789,8 +789,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_ip( $context = 'view' ) {
-		return $this->get_prop( 'user_ip', $context );
+	public function get_ip($context = 'view') {
+		return $this->get_prop('user_ip', $context);
     }
 
     /**
@@ -800,8 +800,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_ip( $context = 'view' ) {
-		return $this->get_ip( $context );
+	public function get_user_ip($context = 'view') {
+		return $this->get_ip($context);
     }
 
      /**
@@ -811,8 +811,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_ip( $context = 'view' ) {
-		return $this->get_ip( $context );
+	public function get_customer_ip($context = 'view') {
+		return $this->get_ip($context);
     }
 
     /**
@@ -822,8 +822,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_first_name( $context = 'view' ) {
-		return $this->get_prop( 'first_name', $context );
+	public function get_first_name($context = 'view') {
+		return $this->get_prop('first_name', $context);
     }
 
     /**
@@ -833,8 +833,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_first_name( $context = 'view' ) {
-		return $this->get_first_name( $context );
+	public function get_user_first_name($context = 'view') {
+		return $this->get_first_name($context);
     }
 
      /**
@@ -844,8 +844,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_first_name( $context = 'view' ) {
-		return $this->get_first_name( $context );
+	public function get_customer_first_name($context = 'view') {
+		return $this->get_first_name($context);
     }
 
     /**
@@ -855,8 +855,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_last_name( $context = 'view' ) {
-		return $this->get_prop( 'last_name', $context );
+	public function get_last_name($context = 'view') {
+		return $this->get_prop('last_name', $context);
     }
 
     /**
@@ -866,8 +866,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_last_name( $context = 'view' ) {
-		return $this->get_last_name( $context );
+	public function get_user_last_name($context = 'view') {
+		return $this->get_last_name($context);
     }
 
     /**
@@ -877,8 +877,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_last_name( $context = 'view' ) {
-		return $this->get_last_name( $context );
+	public function get_customer_last_name($context = 'view') {
+		return $this->get_last_name($context);
     }
 
     /**
@@ -888,8 +888,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_full_name( $context = 'view' ) {
-		return trim( $this->get_first_name( $context ) . ' ' . $this->get_last_name( $context ) );
+	public function get_full_name($context = 'view') {
+		return trim($this->get_first_name($context) . ' ' . $this->get_last_name($context));
     }
 
     /**
@@ -899,8 +899,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_full_name( $context = 'view' ) {
-		return $this->get_full_name( $context );
+	public function get_user_full_name($context = 'view') {
+		return $this->get_full_name($context);
     }
 
     /**
@@ -910,8 +910,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_full_name( $context = 'view' ) {
-		return $this->get_full_name( $context );
+	public function get_customer_full_name($context = 'view') {
+		return $this->get_full_name($context);
     }
 
     /**
@@ -921,8 +921,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_phone( $context = 'view' ) {
-		return $this->get_prop( 'phone', $context );
+	public function get_phone($context = 'view') {
+		return $this->get_prop('phone', $context);
     }
 
     /**
@@ -932,8 +932,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_phone_number( $context = 'view' ) {
-		return $this->get_phone( $context );
+	public function get_phone_number($context = 'view') {
+		return $this->get_phone($context);
     }
 
     /**
@@ -943,8 +943,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_phone( $context = 'view' ) {
-		return $this->get_phone( $context );
+	public function get_user_phone($context = 'view') {
+		return $this->get_phone($context);
     }
 
     /**
@@ -954,8 +954,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_phone( $context = 'view' ) {
-		return $this->get_phone( $context );
+	public function get_customer_phone($context = 'view') {
+		return $this->get_phone($context);
     }
 
     /**
@@ -965,8 +965,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_email( $context = 'view' ) {
-		return $this->get_prop( 'email', $context );
+	public function get_email($context = 'view') {
+		return $this->get_prop('email', $context);
     }
 
     /**
@@ -976,8 +976,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_email_address( $context = 'view' ) {
-		return $this->get_email( $context );
+	public function get_email_address($context = 'view') {
+		return $this->get_email($context);
     }
 
     /**
@@ -987,8 +987,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_email( $context = 'view' ) {
-		return $this->get_email( $context );
+	public function get_user_email($context = 'view') {
+		return $this->get_email($context);
     }
 
     /**
@@ -998,8 +998,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_email( $context = 'view' ) {
-		return $this->get_email( $context );
+	public function get_customer_email($context = 'view') {
+		return $this->get_email($context);
     }
 
     /**
@@ -1009,9 +1009,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_country( $context = 'view' ) {
-		$country = $this->get_prop( 'country', $context );
-		return empty( $country ) ? wpinv_get_default_country() : $country;
+	public function get_country($context = 'view') {
+		$country = $this->get_prop('country', $context);
+		return empty($country) ? wpinv_get_default_country() : $country;
     }
 
     /**
@@ -1021,8 +1021,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_country( $context = 'view' ) {
-		return $this->get_country( $context );
+	public function get_user_country($context = 'view') {
+		return $this->get_country($context);
     }
 
     /**
@@ -1032,8 +1032,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_country( $context = 'view' ) {
-		return $this->get_country( $context );
+	public function get_customer_country($context = 'view') {
+		return $this->get_country($context);
     }
 
     /**
@@ -1043,9 +1043,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_state( $context = 'view' ) {
-		$state = $this->get_prop( 'state', $context );
-		return empty( $state ) ? wpinv_get_default_state() : $state;
+	public function get_state($context = 'view') {
+		$state = $this->get_prop('state', $context);
+		return empty($state) ? wpinv_get_default_state() : $state;
     }
 
     /**
@@ -1055,8 +1055,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_state( $context = 'view' ) {
-		return $this->get_state( $context );
+	public function get_user_state($context = 'view') {
+		return $this->get_state($context);
     }
 
     /**
@@ -1066,8 +1066,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_state( $context = 'view' ) {
-		return $this->get_state( $context );
+	public function get_customer_state($context = 'view') {
+		return $this->get_state($context);
     }
 
     /**
@@ -1077,8 +1077,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_city( $context = 'view' ) {
-		return $this->get_prop( 'city', $context );
+	public function get_city($context = 'view') {
+		return $this->get_prop('city', $context);
     }
 
     /**
@@ -1088,8 +1088,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_city( $context = 'view' ) {
-		return $this->get_city( $context );
+	public function get_user_city($context = 'view') {
+		return $this->get_city($context);
     }
 
     /**
@@ -1099,8 +1099,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_city( $context = 'view' ) {
-		return $this->get_city( $context );
+	public function get_customer_city($context = 'view') {
+		return $this->get_city($context);
     }
 
     /**
@@ -1110,8 +1110,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_zip( $context = 'view' ) {
-		return $this->get_prop( 'zip', $context );
+	public function get_zip($context = 'view') {
+		return $this->get_prop('zip', $context);
     }
 
     /**
@@ -1121,8 +1121,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_zip( $context = 'view' ) {
-		return $this->get_zip( $context );
+	public function get_user_zip($context = 'view') {
+		return $this->get_zip($context);
     }
 
     /**
@@ -1132,8 +1132,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_zip( $context = 'view' ) {
-		return $this->get_zip( $context );
+	public function get_customer_zip($context = 'view') {
+		return $this->get_zip($context);
     }
 
     /**
@@ -1143,8 +1143,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_company( $context = 'view' ) {
-		return $this->get_prop( 'company', $context );
+	public function get_company($context = 'view') {
+		return $this->get_prop('company', $context);
     }
 
     /**
@@ -1154,8 +1154,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_company( $context = 'view' ) {
-		return $this->get_company( $context );
+	public function get_user_company($context = 'view') {
+		return $this->get_company($context);
     }
 
     /**
@@ -1165,8 +1165,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_company( $context = 'view' ) {
-		return $this->get_company( $context );
+	public function get_customer_company($context = 'view') {
+		return $this->get_company($context);
     }
 
     /**
@@ -1176,8 +1176,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_vat_number( $context = 'view' ) {
-		return $this->get_prop( 'vat_number', $context );
+	public function get_vat_number($context = 'view') {
+		return $this->get_prop('vat_number', $context);
     }
 
     /**
@@ -1187,8 +1187,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_vat_number( $context = 'view' ) {
-		return $this->get_vat_number( $context );
+	public function get_user_vat_number($context = 'view') {
+		return $this->get_vat_number($context);
     }
 
     /**
@@ -1198,8 +1198,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_vat_number( $context = 'view' ) {
-		return $this->get_vat_number( $context );
+	public function get_customer_vat_number($context = 'view') {
+		return $this->get_vat_number($context);
     }
 
     /**
@@ -1209,8 +1209,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_vat_rate( $context = 'view' ) {
-		return $this->get_prop( 'vat_rate', $context );
+	public function get_vat_rate($context = 'view') {
+		return $this->get_prop('vat_rate', $context);
     }
 
     /**
@@ -1220,8 +1220,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_vat_rate( $context = 'view' ) {
-		return $this->get_vat_rate( $context );
+	public function get_user_vat_rate($context = 'view') {
+		return $this->get_vat_rate($context);
     }
 
     /**
@@ -1231,8 +1231,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_vat_rate( $context = 'view' ) {
-		return $this->get_vat_rate( $context );
+	public function get_customer_vat_rate($context = 'view') {
+		return $this->get_vat_rate($context);
     }
 
     /**
@@ -1242,8 +1242,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_address( $context = 'view' ) {
-		return $this->get_prop( 'address', $context );
+	public function get_address($context = 'view') {
+		return $this->get_prop('address', $context);
     }
 
     /**
@@ -1253,8 +1253,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_address( $context = 'view' ) {
-		return $this->get_address( $context );
+	public function get_user_address($context = 'view') {
+		return $this->get_address($context);
     }
 
     /**
@@ -1264,8 +1264,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_address( $context = 'view' ) {
-		return $this->get_address( $context );
+	public function get_customer_address($context = 'view') {
+		return $this->get_address($context);
     }
 
     /**
@@ -1275,8 +1275,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_is_viewed( $context = 'view' ) {
-		return (bool) $this->get_prop( 'is_viewed', $context );
+	public function get_is_viewed($context = 'view') {
+		return (bool) $this->get_prop('is_viewed', $context);
 	}
 
 	/**
@@ -1286,8 +1286,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_email_cc( $context = 'view' ) {
-		return $this->get_prop( 'email_cc', $context );
+	public function get_email_cc($context = 'view') {
+		return $this->get_prop('email_cc', $context);
 	}
 
 	/**
@@ -1297,8 +1297,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_template( $context = 'view' ) {
-		return $this->get_prop( 'template', $context );
+	public function get_template($context = 'view') {
+		return $this->get_prop('template', $context);
 	}
 
 	/**
@@ -1308,8 +1308,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_created_via( $context = 'view' ) {
-		return $this->get_prop( 'created_via', $context );
+	public function get_created_via($context = 'view') {
+		return $this->get_prop('created_via', $context);
 	}
 
 	/**
@@ -1319,8 +1319,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_address_confirmed( $context = 'view' ) {
-		return (bool) $this->get_prop( 'address_confirmed', $context );
+	public function get_address_confirmed($context = 'view') {
+		return (bool) $this->get_prop('address_confirmed', $context);
     }
 
     /**
@@ -1330,8 +1330,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_user_address_confirmed( $context = 'view' ) {
-		return $this->get_address_confirmed( $context );
+	public function get_user_address_confirmed($context = 'view') {
+		return $this->get_address_confirmed($context);
     }
 
     /**
@@ -1341,8 +1341,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_customer_address_confirmed( $context = 'view' ) {
-		return $this->get_address_confirmed( $context );
+	public function get_customer_address_confirmed($context = 'view') {
+		return $this->get_address_confirmed($context);
     }
 
     /**
@@ -1352,12 +1352,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_subtotal( $context = 'view' ) {
-        $subtotal = (float) $this->get_prop( 'subtotal', $context );
+	public function get_subtotal($context = 'view') {
+        $subtotal = (float) $this->get_prop('subtotal', $context);
 
         // Backwards compatibility.
-        if ( is_bool( $context ) && $context ) {
-            return wpinv_price( $subtotal, $this->get_currency() );
+        if (is_bool($context) && $context) {
+            return wpinv_price($subtotal, $this->get_currency());
         }
 
         return $subtotal;
@@ -1370,8 +1370,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_total_discount( $context = 'view' ) {
-		return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_discount', $context ) ) );
+	public function get_total_discount($context = 'view') {
+		return wpinv_round_amount(wpinv_sanitize_amount($this->get_prop('total_discount', $context)));
     }
 
     /**
@@ -1381,18 +1381,18 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_total_tax( $context = 'view' ) {
-		return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_tax', $context ) ) );
+	public function get_total_tax($context = 'view') {
+		return wpinv_round_amount(wpinv_sanitize_amount($this->get_prop('total_tax', $context)));
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function get_final_tax( $currency = false ) {
+	public function get_final_tax($currency = false) {
 		$tax = $this->get_total_tax();
 
-        if ( $currency ) {
-			return wpinv_price( $tax, $this->get_currency() );
+        if ($currency) {
+			return wpinv_price($tax, $this->get_currency());
         }
 
         return $tax;
@@ -1405,8 +1405,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_total_fees( $context = 'view' ) {
-		return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_fees', $context ) ) );
+	public function get_total_fees($context = 'view') {
+		return wpinv_round_amount(wpinv_sanitize_amount($this->get_prop('total_fees', $context)));
     }
 
     /**
@@ -1416,8 +1416,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_fees_total( $context = 'view' ) {
-		return $this->get_total_fees( $context );
+	public function get_fees_total($context = 'view') {
+		return $this->get_total_fees($context);
     }
 
     /**
@@ -1428,7 +1428,7 @@ 
 	 */
 	public function get_total() {
 		$total = $this->is_renewal() ? $this->get_recurring_total() : $this->get_initial_total();
-		return apply_filters( 'getpaid_get_invoice_total_amount', $total, $this  );
+		return apply_filters('getpaid_get_invoice_total_amount', $total, $this);
 	}
 	
 	/**
@@ -1450,7 +1450,7 @@ 
 	 */
     public function get_initial_total() {
 
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1460,12 +1460,12 @@ 
 		$subtotal = $this->totals['subtotal']['initial'];
 		$total    = $tax + $fee - $discount + $subtotal;
 
-		if ( 0 > $total ) {
+		if (0 > $total) {
 			$total = 0;
 		}
 
-		$total = wpinv_round_amount( wpinv_sanitize_amount( $total ) );
-        return apply_filters( 'wpinv_get_initial_invoice_total', $total, $this );
+		$total = wpinv_round_amount(wpinv_sanitize_amount($total));
+        return apply_filters('wpinv_get_initial_invoice_total', $total, $this);
 	}
 
 	/**
@@ -1477,7 +1477,7 @@ 
 	 */
     public function get_recurring_total() {
 
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1487,12 +1487,12 @@ 
 		$subtotal = $this->totals['subtotal']['recurring'];
 		$total    = $tax + $fee - $discount + $subtotal;
 
-		if ( 0 > $total ) {
+		if (0 > $total) {
 			$total = 0;
 		}
 
-		$total = wpinv_round_amount( wpinv_sanitize_amount( $total ) );
-        return apply_filters( 'wpinv_get_recurring_invoice_total', $total, $this );
+		$total = wpinv_round_amount(wpinv_sanitize_amount($total));
+        return apply_filters('wpinv_get_recurring_invoice_total', $total, $this);
 	}
 
 	/**
@@ -1503,10 +1503,10 @@ 
 	 * @param string $currency Whether to include the currency.
      * @return float|string
 	 */
-    public function get_recurring_details( $field = '', $currency = false ) {
+    public function get_recurring_details($field = '', $currency = false) {
 
 		// Maybe recalculate totals.
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1526,8 +1526,8 @@ 
 			$currency
 		);
 
-        if ( isset( $data[$field] ) ) {
-            return ( $currency ? wpinv_price( $data[$field], $this->get_currency() ) : $data[$field] );
+        if (isset($data[$field])) {
+            return ($currency ? wpinv_price($data[$field], $this->get_currency()) : $data[$field]);
         }
 
         return $data;
@@ -1540,8 +1540,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_fees( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'fees', $context ) );
+	public function get_fees($context = 'view') {
+		return wpinv_parse_list($this->get_prop('fees', $context));
     }
 
     /**
@@ -1551,8 +1551,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_discounts( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'discounts', $context ) );
+	public function get_discounts($context = 'view') {
+		return wpinv_parse_list($this->get_prop('discounts', $context));
     }
 
     /**
@@ -1562,8 +1562,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_taxes( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'taxes', $context ) );
+	public function get_taxes($context = 'view') {
+		return wpinv_parse_list($this->get_prop('taxes', $context));
     }
 
     /**
@@ -1573,8 +1573,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return GetPaid_Form_Item[]
 	 */
-	public function get_items( $context = 'view' ) {
-        return $this->get_prop( 'items', $context );
+	public function get_items($context = 'view') {
+        return $this->get_prop('items', $context);
 	}
 	
 	/**
@@ -1584,7 +1584,7 @@ 
 	 * @return string
 	 */
 	public function get_item_ids() {
-		return implode( ', ', wp_list_pluck( $this->get_cart_details(), 'item_id' ) );
+		return implode(', ', wp_list_pluck($this->get_cart_details(), 'item_id'));
     }
 
     /**
@@ -1594,8 +1594,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_payment_form( $context = 'view' ) {
-		return intval( $this->get_prop( 'payment_form', $context ) );
+	public function get_payment_form($context = 'view') {
+		return intval($this->get_prop('payment_form', $context));
     }
 
     /**
@@ -1605,8 +1605,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_submission_id( $context = 'view' ) {
-		return $this->get_prop( 'submission_id', $context );
+	public function get_submission_id($context = 'view') {
+		return $this->get_prop('submission_id', $context);
     }
 
     /**
@@ -1616,8 +1616,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_discount_code( $context = 'view' ) {
-		return $this->get_prop( 'discount_code', $context );
+	public function get_discount_code($context = 'view') {
+		return $this->get_prop('discount_code', $context);
     }
 
     /**
@@ -1627,8 +1627,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_gateway( $context = 'view' ) {
-		return $this->get_prop( 'gateway', $context );
+	public function get_gateway($context = 'view') {
+		return $this->get_prop('gateway', $context);
     }
 
     /**
@@ -1638,8 +1638,8 @@ 
 	 * @return string
 	 */
     public function get_gateway_title() {
-        $title =  wpinv_get_gateway_checkout_label( $this->get_gateway() );
-        return apply_filters( 'wpinv_gateway_title', $title, $this->get_id(), $this );
+        $title = wpinv_get_gateway_checkout_label($this->get_gateway());
+        return apply_filters('wpinv_gateway_title', $title, $this->get_id(), $this);
     }
 
     /**
@@ -1649,8 +1649,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_transaction_id( $context = 'view' ) {
-		return $this->get_prop( 'transaction_id', $context );
+	public function get_transaction_id($context = 'view') {
+		return $this->get_prop('transaction_id', $context);
     }
 
     /**
@@ -1660,9 +1660,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_currency( $context = 'view' ) {
-        $currency = $this->get_prop( 'currency', $context );
-        return empty( $currency ) ? wpinv_get_currency() : $currency;
+	public function get_currency($context = 'view') {
+        $currency = $this->get_prop('currency', $context);
+        return empty($currency) ? wpinv_get_currency() : $currency;
     }
 
     /**
@@ -1672,8 +1672,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_disable_taxes( $context = 'view' ) {
-        return (bool) $this->get_prop( 'disable_taxes', $context );
+	public function get_disable_taxes($context = 'view') {
+        return (bool) $this->get_prop('disable_taxes', $context);
     }
 
     /**
@@ -1683,8 +1683,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-    public function get_subscription_id( $context = 'view' ) {
-		return $this->is_renewal() ? $this->get_parent()->get_subscription_id( $context ) : $this->get_prop( 'subscription_id', $context );
+    public function get_subscription_id($context = 'view') {
+		return $this->is_renewal() ? $this->get_parent()->get_subscription_id($context) : $this->get_prop('subscription_id', $context);
 	}
 
 	/**
@@ -1694,12 +1694,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-    public function get_remote_subscription_id( $context = 'view' ) {
-        $subscription_id = $this->get_prop( 'remote_subscription_id', $context );
+    public function get_remote_subscription_id($context = 'view') {
+        $subscription_id = $this->get_prop('remote_subscription_id', $context);
 
-        if ( empty( $subscription_id ) && $this->is_renewal() ) {
+        if (empty($subscription_id) && $this->is_renewal()) {
             $parent = $this->get_parent();
-            return $parent->get_subscription_id( $context );
+            return $parent->get_subscription_id($context);
         }
 
         return $subscription_id;
@@ -1712,20 +1712,20 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-    public function get_payment_meta( $context = 'view' ) {
+    public function get_payment_meta($context = 'view') {
 
         return array(
-            'price'        => $this->get_total( $context ),
-            'date'         => $this->get_date_created( $context ),
-            'user_email'   => $this->get_email( $context ),
-            'invoice_key'  => $this->get_key( $context ),
-            'currency'     => $this->get_currency( $context ),
-            'items'        => $this->get_items( $context ),
-            'user_info'    => $this->get_user_info( $context ),
+            'price'        => $this->get_total($context),
+            'date'         => $this->get_date_created($context),
+            'user_email'   => $this->get_email($context),
+            'invoice_key'  => $this->get_key($context),
+            'currency'     => $this->get_currency($context),
+            'items'        => $this->get_items($context),
+            'user_info'    => $this->get_user_info($context),
             'cart_details' => $this->get_cart_details(),
-            'status'       => $this->get_status( $context ),
-            'fees'         => $this->get_fees( $context ),
-            'taxes'        => $this->get_taxes( $context ),
+            'status'       => $this->get_status($context),
+            'fees'         => $this->get_fees($context),
+            'taxes'        => $this->get_taxes($context),
         );
 
     }
@@ -1740,9 +1740,9 @@ 
         $items        = $this->get_items();
         $cart_details = array();
 
-        foreach ( $items as $item ) {
+        foreach ($items as $item) {
 			$item->invoice_id = $this->get_id();
-            $cart_details[]   = $item->prepare_data_for_saving();
+            $cart_details[] = $item->prepare_data_for_saving();
         }
 
         return $cart_details;
@@ -1753,11 +1753,11 @@ 
 	 *
 	 * @return null|GetPaid_Form_Item|int
 	 */
-	public function get_recurring( $object = false ) {
+	public function get_recurring($object = false) {
 
 		// Are we returning an object?
-        if ( $object ) {
-            return $this->get_item( $this->recurring_item );
+        if ($object) {
+            return $this->get_item($this->recurring_item);
         }
 
         return $this->recurring_item;
@@ -1772,15 +1772,15 @@ 
 	public function get_subscription_name() {
 
 		// Retrieve the recurring name
-        $item = $this->get_recurring( true );
+        $item = $this->get_recurring(true);
 
 		// Abort if it does not exist.
-        if ( empty( $item ) ) {
+        if (empty($item)) {
             return '';
         }
 
 		// Return the item name.
-        return apply_filters( 'wpinv_invoice_get_subscription_name', $item->get_name(), $this );
+        return apply_filters('wpinv_invoice_get_subscription_name', $item->get_name(), $this);
 	}
 
 	/**
@@ -1790,9 +1790,9 @@ 
 	 * @return string
 	 */
 	public function get_view_url() {
-        $invoice_url = get_permalink( $this->get_id() );
-		$invoice_url = add_query_arg( 'invoice_key', $this->get_key(), $invoice_url );
-        return apply_filters( 'wpinv_get_view_url', $invoice_url, $this );
+        $invoice_url = get_permalink($this->get_id());
+		$invoice_url = add_query_arg('invoice_key', $this->get_key(), $invoice_url);
+        return apply_filters('wpinv_get_view_url', $invoice_url, $this);
 	}
 
 	/**
@@ -1801,25 +1801,25 @@ 
 	 * @since 1.0.19
 	 * @return string
 	 */
-	public function get_checkout_payment_url( $deprecated = false, $secret = false ) {
+	public function get_checkout_payment_url($deprecated = false, $secret = false) {
 
 		// Retrieve the checkout url.
         $pay_url = wpinv_get_checkout_uri();
 
 		// Maybe force ssl.
-        if ( is_ssl() ) {
-            $pay_url = str_replace( 'http:', 'https:', $pay_url );
+        if (is_ssl()) {
+            $pay_url = str_replace('http:', 'https:', $pay_url);
         }
 
 		// Add the invoice key.
-		$pay_url = add_query_arg( 'invoice_key', $this->get_key(), $pay_url );
+		$pay_url = add_query_arg('invoice_key', $this->get_key(), $pay_url);
 
 		// (Maybe?) add a secret
-        if ( $secret ) {
-            $pay_url = add_query_arg( array( '_wpipay' => md5( $this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key() ) ), $pay_url );
+        if ($secret) {
+            $pay_url = add_query_arg(array('_wpipay' => md5($this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key())), $pay_url);
         }
 
-        return apply_filters( 'wpinv_get_checkout_payment_url', $pay_url, $this, $deprecated, $secret );
+        return apply_filters('wpinv_get_checkout_payment_url', $pay_url, $this, $deprecated, $secret);
 	}
 	
 	/**
@@ -1834,14 +1834,14 @@ 
         $receipt_url = wpinv_get_success_page_uri();
 
 		// Maybe force ssl.
-        if ( is_ssl() ) {
-            $receipt_url = str_replace( 'http:', 'https:', $receipt_url );
+        if (is_ssl()) {
+            $receipt_url = str_replace('http:', 'https:', $receipt_url);
         }
 
 		// Add the invoice key.
-		$receipt_url = add_query_arg( 'invoice_key', $this->get_key(), $receipt_url );
+		$receipt_url = add_query_arg('invoice_key', $this->get_key(), $receipt_url);
 
-        return apply_filters( 'getpaid_get_invoice_receipt_url', $receipt_url, $this );
+        return apply_filters('getpaid_get_invoice_receipt_url', $receipt_url, $this);
 	}
 	
 	/**
@@ -1854,7 +1854,7 @@ 
 
 		$type   = $this->get_type();
 		$status = "wpi-$type-pending";
-		return str_replace( '-invoice', '', $status );
+		return str_replace('-invoice', '', $status);
 
 	}
 
@@ -1868,8 +1868,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return mixed Value of the given invoice property (if set).
 	 */
-	public function get( $key, $context = 'view' ) {
-        return $this->get_prop( $key, $context );
+	public function get($key, $context = 'view') {
+        return $this->get_prop($key, $context);
 	}
 
     /*
@@ -1892,11 +1892,11 @@ 
 	 * @param  mixed $value new value.
 	 * @return mixed Value of the given invoice property (if set).
 	 */
-	public function set( $key, $value ) {
+	public function set($key, $value) {
 
         $setter = "set_$key";
-        if ( is_callable( array( $this, $setter ) ) ) {
-            $this->{$setter}( $value );
+        if (is_callable(array($this, $setter))) {
+            $this->{$setter}($value);
         }
 
 	}
@@ -1910,47 +1910,47 @@ 
 	 * @param bool   $manual_update Is this a manual status change?.
 	 * @return array details of change.
 	 */
-	public function set_status( $new_status, $note = '', $manual_update = false ) {
+	public function set_status($new_status, $note = '', $manual_update = false) {
 		$old_status = $this->get_status();
 
 		$statuses = $this->get_all_statuses();
 
-		if ( isset( $statuses[ 'draft' ] ) ) {
-			unset( $statuses[ 'draft' ] );
+		if (isset($statuses['draft'])) {
+			unset($statuses['draft']);
 		}
 
-		$this->set_prop( 'status', $new_status );
+		$this->set_prop('status', $new_status);
 
 		// If setting the status, ensure it's set to a valid status.
-		if ( true === $this->object_read ) {
+		if (true === $this->object_read) {
 
 			// Only allow valid new status.
-			if ( ! array_key_exists( $new_status, $statuses ) ) {
+			if (!array_key_exists($new_status, $statuses)) {
 				$new_status = $this->get_default_status();
 			}
 
 			// If the old status is set but unknown (e.g. draft) assume its pending for action usage.
-			if ( $old_status && ! array_key_exists( $new_status, $statuses ) ) {
+			if ($old_status && !array_key_exists($new_status, $statuses)) {
 				$old_status = $this->get_default_status();
 			}
 
 			// Paid - Renewal (i.e when duplicating a parent invoice )
-			if ( $new_status == 'wpi-pending' && $old_status == 'publish' && ! $this->get_id() ) {
+			if ($new_status == 'wpi-pending' && $old_status == 'publish' && !$this->get_id()) {
 				$old_status = 'wpi-pending';
 			}
 
 		}
 
-		if ( true === $this->object_read && $old_status !== $new_status ) {
+		if (true === $this->object_read && $old_status !== $new_status) {
 			$this->status_transition = array(
-				'from'   => ! empty( $this->status_transition['from'] ) ? $this->status_transition['from'] : $old_status,
+				'from'   => !empty($this->status_transition['from']) ? $this->status_transition['from'] : $old_status,
 				'to'     => $new_status,
 				'note'   => $note,
 				'manual' => (bool) $manual_update,
 			);
 
-			if ( $manual_update ) {
-				do_action( 'getpaid_' . $this->object_type .'_edit_status', $this->get_id(), $new_status );
+			if ($manual_update) {
+				do_action('getpaid_' . $this->object_type . '_edit_status', $this->get_id(), $new_status);
 			}
 
 			$this->maybe_set_date_paid();
@@ -1973,8 +1973,8 @@ 
 	 */
 	public function maybe_set_date_paid() {
 
-		if ( ! $this->get_date_completed( 'edit' ) && $this->is_paid() ) {
-			$this->set_date_completed( current_time( 'mysql' ) );
+		if (!$this->get_date_completed('edit') && $this->is_paid()) {
+			$this->set_date_completed(current_time('mysql'));
 		}
 	}
 
@@ -1983,11 +1983,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_parent_id( $value ) {
-		if ( $value && ( $value === $this->get_id() ) ) {
+	public function set_parent_id($value) {
+		if ($value && ($value === $this->get_id())) {
 			return;
 		}
-		$this->set_prop( 'parent_id', absint( $value ) );
+		$this->set_prop('parent_id', absint($value));
     }
 
     /**
@@ -1995,8 +1995,8 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_version( $value ) {
-		$this->set_prop( 'version', $value );
+	public function set_version($value) {
+		$this->set_prop('version', $value);
     }
 
     /**
@@ -2006,15 +2006,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_date_created( $value ) {
-        $date = strtotime( $value );
+	public function set_date_created($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'date_created', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('date_created', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'date_created', '' );
+		$this->set_prop('date_created', '');
 		return false;
 
     }
@@ -2026,15 +2026,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_due_date( $value ) {
-        $date = strtotime( $value );
+	public function set_due_date($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'due_date', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('due_date', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'due_date', '' );
+		$this->set_prop('due_date', '');
         return false;
 
     }
@@ -2045,8 +2045,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_date_due( $value ) {
-		$this->set_due_date( $value );
+	public function set_date_due($value) {
+		$this->set_due_date($value);
     }
 
     /**
@@ -2056,15 +2056,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_completed_date( $value ) {
-        $date = strtotime( $value );
+	public function set_completed_date($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00'  ) {
-            $this->set_prop( 'completed_date', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('completed_date', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'completed_date', '' );
+		$this->set_prop('completed_date', '');
         return false;
 
     }
@@ -2075,8 +2075,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_date_completed( $value ) {
-		$this->set_completed_date( $value );
+	public function set_date_completed($value) {
+		$this->set_completed_date($value);
     }
 
     /**
@@ -2086,15 +2086,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_date_modified( $value ) {
-        $date = strtotime( $value );
+	public function set_date_modified($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'date_modified', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('date_modified', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'date_modified', '' );
+		$this->set_prop('date_modified', '');
         return false;
 
     }
@@ -2105,9 +2105,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New number.
 	 */
-	public function set_number( $value ) {
-        $number = sanitize_text_field( $value );
-		$this->set_prop( 'number', $number );
+	public function set_number($value) {
+        $number = sanitize_text_field($value);
+		$this->set_prop('number', $number);
     }
 
     /**
@@ -2116,9 +2116,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value Type.
 	 */
-	public function set_type( $value ) {
-        $type = sanitize_text_field( str_replace( 'wpi_', '', $value ) );
-		$this->set_prop( 'type', $type );
+	public function set_type($value) {
+        $type = sanitize_text_field(str_replace('wpi_', '', $value));
+		$this->set_prop('type', $type);
 	}
 
     /**
@@ -2127,10 +2127,10 @@ 
 	 * @since 1.0.19
 	 * @param  string $value Post type.
 	 */
-	public function set_post_type( $value ) {
-        if ( getpaid_is_invoice_post_type( $value ) ) {
-			$this->set_type( $value );
-            $this->set_prop( 'post_type', $value );
+	public function set_post_type($value) {
+        if (getpaid_is_invoice_post_type($value)) {
+			$this->set_type($value);
+            $this->set_prop('post_type', $value);
         }
     }
 
@@ -2140,9 +2140,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New key.
 	 */
-	public function set_key( $value ) {
-        $key = sanitize_text_field( $value );
-		$this->set_prop( 'key', $key );
+	public function set_key($value) {
+        $key = sanitize_text_field($value);
+		$this->set_prop('key', $key);
     }
 
     /**
@@ -2151,9 +2151,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value mode.
 	 */
-	public function set_mode( $value ) {
-        if ( in_array( $value, array( 'live', 'test' ) ) ) {
-            $this->set_prop( 'mode', $value );
+	public function set_mode($value) {
+        if (in_array($value, array('live', 'test'))) {
+            $this->set_prop('mode', $value);
         }
     }
 
@@ -2163,8 +2163,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value path.
 	 */
-	public function set_path( $value ) {
-        $this->set_prop( 'path', $value );
+	public function set_path($value) {
+        $this->set_prop('path', $value);
     }
 
     /**
@@ -2173,9 +2173,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_name( $value ) {
-        $name = sanitize_text_field( $value );
-		$this->set_prop( 'name', $name );
+	public function set_name($value) {
+        $name = sanitize_text_field($value);
+		$this->set_prop('name', $name);
     }
 
     /**
@@ -2184,8 +2184,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_title( $value ) {
-		$this->set_name( $value );
+	public function set_title($value) {
+		$this->set_name($value);
     }
 
     /**
@@ -2194,9 +2194,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_description( $value ) {
-        $description = wp_kses_post( $value );
-		$this->set_prop( 'description', $description );
+	public function set_description($value) {
+        $description = wp_kses_post($value);
+		$this->set_prop('description', $description);
     }
 
     /**
@@ -2205,8 +2205,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_excerpt( $value ) {
-		$this->set_description( $value );
+	public function set_excerpt($value) {
+		$this->set_description($value);
     }
 
     /**
@@ -2215,8 +2215,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_summary( $value ) {
-		$this->set_description( $value );
+	public function set_summary($value) {
+		$this->set_description($value);
     }
 
     /**
@@ -2225,12 +2225,12 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New author.
 	 */
-	public function set_author( $value ) {
-		$user = get_user_by( 'id', (int) $value );
+	public function set_author($value) {
+		$user = get_user_by('id', (int) $value);
 
-		if ( $user && $user->ID ) {
-			$this->set_prop( 'author', $user->ID );
-			$this->set_prop( 'email', $user->user_email );
+		if ($user && $user->ID) {
+			$this->set_prop('author', $user->ID);
+			$this->set_prop('email', $user->user_email);
 		}
 
     }
@@ -2241,8 +2241,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New user id.
 	 */
-	public function set_user_id( $value ) {
-		$this->set_author( $value );
+	public function set_user_id($value) {
+		$this->set_author($value);
     }
 
     /**
@@ -2251,8 +2251,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New user id.
 	 */
-	public function set_customer_id( $value ) {
-		$this->set_author( $value );
+	public function set_customer_id($value) {
+		$this->set_author($value);
     }
 
     /**
@@ -2261,8 +2261,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value ip address.
 	 */
-	public function set_ip( $value ) {
-		$this->set_prop( 'ip', $value );
+	public function set_ip($value) {
+		$this->set_prop('ip', $value);
     }
 
     /**
@@ -2271,8 +2271,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value ip address.
 	 */
-	public function set_user_ip( $value ) {
-		$this->set_ip( $value );
+	public function set_user_ip($value) {
+		$this->set_ip($value);
     }
 
     /**
@@ -2281,8 +2281,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value first name.
 	 */
-	public function set_first_name( $value ) {
-		$this->set_prop( 'first_name', $value );
+	public function set_first_name($value) {
+		$this->set_prop('first_name', $value);
     }
 
     /**
@@ -2291,8 +2291,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value first name.
 	 */
-	public function set_user_first_name( $value ) {
-		$this->set_first_name( $value );
+	public function set_user_first_name($value) {
+		$this->set_first_name($value);
     }
 
     /**
@@ -2301,8 +2301,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value first name.
 	 */
-	public function set_customer_first_name( $value ) {
-		$this->set_first_name( $value );
+	public function set_customer_first_name($value) {
+		$this->set_first_name($value);
     }
 
     /**
@@ -2311,8 +2311,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value last name.
 	 */
-	public function set_last_name( $value ) {
-		$this->set_prop( 'last_name', $value );
+	public function set_last_name($value) {
+		$this->set_prop('last_name', $value);
     }
 
     /**
@@ -2321,8 +2321,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value last name.
 	 */
-	public function set_user_last_name( $value ) {
-		$this->set_last_name( $value );
+	public function set_user_last_name($value) {
+		$this->set_last_name($value);
     }
 
     /**
@@ -2331,8 +2331,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value last name.
 	 */
-	public function set_customer_last_name( $value ) {
-		$this->set_last_name( $value );
+	public function set_customer_last_name($value) {
+		$this->set_last_name($value);
     }
 
     /**
@@ -2341,8 +2341,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_phone( $value ) {
-		$this->set_prop( 'phone', $value );
+	public function set_phone($value) {
+		$this->set_prop('phone', $value);
     }
 
     /**
@@ -2351,8 +2351,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_user_phone( $value ) {
-		$this->set_phone( $value );
+	public function set_user_phone($value) {
+		$this->set_phone($value);
     }
 
     /**
@@ -2361,8 +2361,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_customer_phone( $value ) {
-		$this->set_phone( $value );
+	public function set_customer_phone($value) {
+		$this->set_phone($value);
     }
 
     /**
@@ -2371,8 +2371,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_phone_number( $value ) {
-		$this->set_phone( $value );
+	public function set_phone_number($value) {
+		$this->set_phone($value);
     }
 
     /**
@@ -2381,8 +2381,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_email( $value ) {
-		$this->set_prop( 'email', $value );
+	public function set_email($value) {
+		$this->set_prop('email', $value);
     }
 
     /**
@@ -2391,8 +2391,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_user_email( $value ) {
-		$this->set_email( $value );
+	public function set_user_email($value) {
+		$this->set_email($value);
     }
 
     /**
@@ -2401,8 +2401,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_email_address( $value ) {
-		$this->set_email( $value );
+	public function set_email_address($value) {
+		$this->set_email($value);
     }
 
     /**
@@ -2411,8 +2411,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_customer_email( $value ) {
-		$this->set_email( $value );
+	public function set_customer_email($value) {
+		$this->set_email($value);
     }
 
     /**
@@ -2421,8 +2421,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value country.
 	 */
-	public function set_country( $value ) {
-		$this->set_prop( 'country', $value );
+	public function set_country($value) {
+		$this->set_prop('country', $value);
     }
 
     /**
@@ -2431,8 +2431,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value country.
 	 */
-	public function set_user_country( $value ) {
-		$this->set_country( $value );
+	public function set_user_country($value) {
+		$this->set_country($value);
     }
 
     /**
@@ -2441,8 +2441,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value country.
 	 */
-	public function set_customer_country( $value ) {
-		$this->set_country( $value );
+	public function set_customer_country($value) {
+		$this->set_country($value);
     }
 
     /**
@@ -2451,8 +2451,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value state.
 	 */
-	public function set_state( $value ) {
-		$this->set_prop( 'state', $value );
+	public function set_state($value) {
+		$this->set_prop('state', $value);
     }
 
     /**
@@ -2461,8 +2461,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value state.
 	 */
-	public function set_user_state( $value ) {
-		$this->set_state( $value );
+	public function set_user_state($value) {
+		$this->set_state($value);
     }
 
     /**
@@ -2471,8 +2471,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value state.
 	 */
-	public function set_customer_state( $value ) {
-		$this->set_state( $value );
+	public function set_customer_state($value) {
+		$this->set_state($value);
     }
 
     /**
@@ -2481,8 +2481,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value city.
 	 */
-	public function set_city( $value ) {
-		$this->set_prop( 'city', $value );
+	public function set_city($value) {
+		$this->set_prop('city', $value);
     }
 
     /**
@@ -2491,8 +2491,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value city.
 	 */
-	public function set_user_city( $value ) {
-		$this->set_city( $value );
+	public function set_user_city($value) {
+		$this->set_city($value);
     }
 
     /**
@@ -2501,8 +2501,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value city.
 	 */
-	public function set_customer_city( $value ) {
-		$this->set_city( $value );
+	public function set_customer_city($value) {
+		$this->set_city($value);
     }
 
     /**
@@ -2511,8 +2511,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value zip.
 	 */
-	public function set_zip( $value ) {
-		$this->set_prop( 'zip', $value );
+	public function set_zip($value) {
+		$this->set_prop('zip', $value);
     }
 
     /**
@@ -2521,8 +2521,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value zip.
 	 */
-	public function set_user_zip( $value ) {
-		$this->set_zip( $value );
+	public function set_user_zip($value) {
+		$this->set_zip($value);
     }
 
     /**
@@ -2531,8 +2531,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value zip.
 	 */
-	public function set_customer_zip( $value ) {
-		$this->set_zip( $value );
+	public function set_customer_zip($value) {
+		$this->set_zip($value);
     }
 
     /**
@@ -2541,8 +2541,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value company.
 	 */
-	public function set_company( $value ) {
-		$this->set_prop( 'company', $value );
+	public function set_company($value) {
+		$this->set_prop('company', $value);
     }
 
     /**
@@ -2551,8 +2551,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value company.
 	 */
-	public function set_user_company( $value ) {
-		$this->set_company( $value );
+	public function set_user_company($value) {
+		$this->set_company($value);
     }
 
     /**
@@ -2561,8 +2561,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value company.
 	 */
-	public function set_customer_company( $value ) {
-		$this->set_company( $value );
+	public function set_customer_company($value) {
+		$this->set_company($value);
     }
 
     /**
@@ -2571,8 +2571,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_vat_number( $value ) {
-		$this->set_prop( 'vat_number', $value );
+	public function set_vat_number($value) {
+		$this->set_prop('vat_number', $value);
     }
 
     /**
@@ -2581,8 +2581,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_user_vat_number( $value ) {
-		$this->set_vat_number( $value );
+	public function set_user_vat_number($value) {
+		$this->set_vat_number($value);
     }
 
     /**
@@ -2591,8 +2591,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_customer_vat_number( $value ) {
-		$this->set_vat_number( $value );
+	public function set_customer_vat_number($value) {
+		$this->set_vat_number($value);
     }
 
     /**
@@ -2601,8 +2601,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var rate.
 	 */
-	public function set_vat_rate( $value ) {
-		$this->set_prop( 'vat_rate', $value );
+	public function set_vat_rate($value) {
+		$this->set_prop('vat_rate', $value);
     }
 
     /**
@@ -2611,8 +2611,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_user_vat_rate( $value ) {
-		$this->set_vat_rate( $value );
+	public function set_user_vat_rate($value) {
+		$this->set_vat_rate($value);
     }
 
     /**
@@ -2621,8 +2621,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_customer_vat_rate( $value ) {
-		$this->set_vat_rate( $value );
+	public function set_customer_vat_rate($value) {
+		$this->set_vat_rate($value);
     }
 
     /**
@@ -2631,8 +2631,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value address.
 	 */
-	public function set_address( $value ) {
-		$this->set_prop( 'address', $value );
+	public function set_address($value) {
+		$this->set_prop('address', $value);
     }
 
     /**
@@ -2641,8 +2641,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value address.
 	 */
-	public function set_user_address( $value ) {
-		$this->set_address( $value );
+	public function set_user_address($value) {
+		$this->set_address($value);
     }
 
     /**
@@ -2651,8 +2651,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value address.
 	 */
-	public function set_customer_address( $value ) {
-		$this->set_address( $value );
+	public function set_customer_address($value) {
+		$this->set_address($value);
     }
 
     /**
@@ -2661,8 +2661,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_is_viewed( $value ) {
-		$this->set_prop( 'is_viewed', $value );
+	public function set_is_viewed($value) {
+		$this->set_prop('is_viewed', $value);
 	}
 
 	/**
@@ -2671,8 +2671,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email recipients.
 	 */
-	public function set_email_cc( $value ) {
-		$this->set_prop( 'email_cc', $value );
+	public function set_email_cc($value) {
+		$this->set_prop('email_cc', $value);
 	}
 
 	/**
@@ -2681,9 +2681,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value template.
 	 */
-	public function set_template( $value ) {
-		if ( in_array( $value, array( 'quantity', 'hours', 'amount' ) ) ) {
-			$this->set_prop( 'template', $value );
+	public function set_template($value) {
+		if (in_array($value, array('quantity', 'hours', 'amount'))) {
+			$this->set_prop('template', $value);
 		}
 	}
 
@@ -2693,8 +2693,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email recipients.
 	 */
-	public function created_via( $value ) {
-		$this->set_prop( 'created_via', sanitize_text_field( $value ) );
+	public function created_via($value) {
+		$this->set_prop('created_via', sanitize_text_field($value));
 	}
 
 	/**
@@ -2703,8 +2703,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_address_confirmed( $value ) {
-		$this->set_prop( 'address_confirmed', $value );
+	public function set_address_confirmed($value) {
+		$this->set_prop('address_confirmed', $value);
     }
 
     /**
@@ -2713,8 +2713,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_user_address_confirmed( $value ) {
-		$this->set_address_confirmed( $value );
+	public function set_user_address_confirmed($value) {
+		$this->set_address_confirmed($value);
     }
 
     /**
@@ -2723,8 +2723,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_customer_address_confirmed( $value ) {
-		$this->set_address_confirmed( $value );
+	public function set_customer_address_confirmed($value) {
+		$this->set_address_confirmed($value);
     }
 
     /**
@@ -2733,8 +2733,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value sub total.
 	 */
-	public function set_subtotal( $value ) {
-		$this->set_prop( 'subtotal', $value );
+	public function set_subtotal($value) {
+		$this->set_prop('subtotal', $value);
     }
 
     /**
@@ -2743,8 +2743,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value discount total.
 	 */
-	public function set_total_discount( $value ) {
-		$this->set_prop( 'total_discount', $value );
+	public function set_total_discount($value) {
+		$this->set_prop('total_discount', $value);
     }
 
     /**
@@ -2753,8 +2753,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value discount total.
 	 */
-	public function set_discount( $value ) {
-		$this->set_total_discount( $value );
+	public function set_discount($value) {
+		$this->set_total_discount($value);
     }
 
     /**
@@ -2763,8 +2763,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value tax total.
 	 */
-	public function set_total_tax( $value ) {
-		$this->set_prop( 'total_tax', $value );
+	public function set_total_tax($value) {
+		$this->set_prop('total_tax', $value);
     }
 
     /**
@@ -2773,8 +2773,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value tax total.
 	 */
-	public function set_tax_total( $value ) {
-		$this->set_total_tax( $value );
+	public function set_tax_total($value) {
+		$this->set_total_tax($value);
     }
 
     /**
@@ -2783,8 +2783,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value fees total.
 	 */
-	public function set_total_fees( $value ) {
-		$this->set_prop( 'total_fees', $value );
+	public function set_total_fees($value) {
+		$this->set_prop('total_fees', $value);
     }
 
     /**
@@ -2793,8 +2793,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value fees total.
 	 */
-	public function set_fees_total( $value ) {
-		$this->set_total_fees( $value );
+	public function set_fees_total($value) {
+		$this->set_total_fees($value);
     }
 
     /**
@@ -2803,13 +2803,13 @@ 
 	 * @since 1.0.19
 	 * @param  array $value fees.
 	 */
-	public function set_fees( $value ) {
+	public function set_fees($value) {
 
-		if ( ! is_array( $value ) ) {
+		if (!is_array($value)) {
 			$value = array();
 		}
 
-		$this->set_prop( 'fees', $value );
+		$this->set_prop('fees', $value);
 
     }
 
@@ -2819,13 +2819,13 @@ 
 	 * @since 1.0.19
 	 * @param  array $value taxes.
 	 */
-	public function set_taxes( $value ) {
+	public function set_taxes($value) {
 
-		if ( ! is_array( $value ) ) {
+		if (!is_array($value)) {
 			$value = array();
 		}
 
-		$this->set_prop( 'taxes', $value );
+		$this->set_prop('taxes', $value);
 
     }
 
@@ -2835,13 +2835,13 @@ 
 	 * @since 1.0.19
 	 * @param  array $value discounts.
 	 */
-	public function set_discounts( $value ) {
+	public function set_discounts($value) {
 
-		if ( ! is_array( $value ) ) {
+		if (!is_array($value)) {
 			$value = array();
 		}
 
-		$this->set_prop( 'discounts', $value );
+		$this->set_prop('discounts', $value);
     }
 
     /**
@@ -2850,18 +2850,18 @@ 
 	 * @since 1.0.19
 	 * @param  GetPaid_Form_Item[] $value items.
 	 */
-	public function set_items( $value ) {
+	public function set_items($value) {
 
         // Remove existing items.
-        $this->set_prop( 'items', array() );
+        $this->set_prop('items', array());
 
         // Ensure that we have an array.
-        if ( ! is_array( $value ) ) {
+        if (!is_array($value)) {
             return;
         }
 
-        foreach ( $value as $item ) {
-            $this->add_item( $item );
+        foreach ($value as $item) {
+            $this->add_item($item);
         }
 
     }
@@ -2872,8 +2872,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value payment form.
 	 */
-	public function set_payment_form( $value ) {
-		$this->set_prop( 'payment_form', $value );
+	public function set_payment_form($value) {
+		$this->set_prop('payment_form', $value);
     }
 
     /**
@@ -2882,8 +2882,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value submission id.
 	 */
-	public function set_submission_id( $value ) {
-		$this->set_prop( 'submission_id', $value );
+	public function set_submission_id($value) {
+		$this->set_prop('submission_id', $value);
     }
 
     /**
@@ -2892,8 +2892,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value discount code.
 	 */
-	public function set_discount_code( $value ) {
-		$this->set_prop( 'discount_code', $value );
+	public function set_discount_code($value) {
+		$this->set_prop('discount_code', $value);
     }
 
     /**
@@ -2902,8 +2902,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value gateway.
 	 */
-	public function set_gateway( $value ) {
-		$this->set_prop( 'gateway', $value );
+	public function set_gateway($value) {
+		$this->set_prop('gateway', $value);
     }
 
     /**
@@ -2912,9 +2912,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value transaction id.
 	 */
-	public function set_transaction_id( $value ) {
-		if ( ! empty( $value ) ) {
-			$this->set_prop( 'transaction_id', $value );
+	public function set_transaction_id($value) {
+		if (!empty($value)) {
+			$this->set_prop('transaction_id', $value);
 		}
     }
 
@@ -2924,8 +2924,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value currency id.
 	 */
-	public function set_currency( $value ) {
-		$this->set_prop( 'currency', $value );
+	public function set_currency($value) {
+		$this->set_prop('currency', $value);
     }
 
 	/**
@@ -2934,8 +2934,8 @@ 
 	 * @since 1.0.19
 	 * @param  bool $value value.
 	 */
-	public function set_disable_taxes( $value ) {
-		$this->set_prop( 'disable_taxes', (bool) $value );
+	public function set_disable_taxes($value) {
+		$this->set_prop('disable_taxes', (bool) $value);
 	}
 
     /**
@@ -2944,8 +2944,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value subscription id.
 	 */
-	public function set_subscription_id( $value ) {
-		$this->set_prop( 'subscription_id', $value );
+	public function set_subscription_id($value) {
+		$this->set_prop('subscription_id', $value);
 	}
 	
 	/**
@@ -2954,8 +2954,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value subscription id.
 	 */
-	public function set_remote_subscription_id( $value ) {
-		$this->set_prop( 'remote_subscription_id', $value );
+	public function set_remote_subscription_id($value) {
+		$this->set_prop('remote_subscription_id', $value);
     }
 
     /*
@@ -2972,28 +2972,28 @@ 
      */
     public function is_parent() {
         $parent = $this->get_parent_id();
-        return apply_filters( 'wpinv_invoice_is_parent', empty( $parent ), $this );
+        return apply_filters('wpinv_invoice_is_parent', empty($parent), $this);
     }
 
     /**
      * Checks if this is a renewal invoice.
      */
     public function is_renewal() {
-        return ! $this->is_parent();
+        return !$this->is_parent();
     }
 
     /**
      * Checks if this is a recurring invoice.
      */
     public function is_recurring() {
-        return $this->is_renewal() || ! empty( $this->recurring_item );
+        return $this->is_renewal() || !empty($this->recurring_item);
     }
 
     /**
      * Checks if this is a taxable invoice.
      */
     public function is_taxable() {
-        return ! $this->get_disable_taxes();
+        return !$this->get_disable_taxes();
 	}
 
 	/**
@@ -3007,45 +3007,45 @@ 
 	 * Checks to see if the invoice requires payment.
 	 */
 	public function is_free() {
-        $is_free = ( (float) wpinv_round_amount( $this->get_initial_total() ) == 0 );
+        $is_free = ((float) wpinv_round_amount($this->get_initial_total()) == 0);
 
-		if ( $this->is_recurring() && $this->get_recurring_total() > 0 ) {
+		if ($this->is_recurring() && $this->get_recurring_total() > 0) {
 			$is_free = false;
 		}
 
-        return apply_filters( 'wpinv_invoice_is_free', $is_free, $this );
+        return apply_filters('wpinv_invoice_is_free', $is_free, $this);
     }
 
     /**
      * Checks if the invoice is paid.
      */
     public function is_paid() {
-        $is_paid = $this->has_status( array( 'publish', 'wpi-processing', 'wpi-renewal' ) );
-        return apply_filters( 'wpinv_invoice_is_paid', $is_paid, $this );
+        $is_paid = $this->has_status(array('publish', 'wpi-processing', 'wpi-renewal'));
+        return apply_filters('wpinv_invoice_is_paid', $is_paid, $this);
 	}
 
 	/**
      * Checks if the invoice needs payment.
      */
 	public function needs_payment() {
-		$needs_payment = ! $this->is_paid() && ! $this->is_refunded() && ! $this->is_free();
-        return apply_filters( 'wpinv_needs_payment', $needs_payment, $this );
+		$needs_payment = !$this->is_paid() && !$this->is_refunded() && !$this->is_free();
+        return apply_filters('wpinv_needs_payment', $needs_payment, $this);
     }
   
 	/**
      * Checks if the invoice is refunded.
      */
 	public function is_refunded() {
-        $is_refunded = $this->has_status( 'wpi-refunded' );
-        return apply_filters( 'wpinv_invoice_is_refunded', $is_refunded, $this );
+        $is_refunded = $this->has_status('wpi-refunded');
+        return apply_filters('wpinv_invoice_is_refunded', $is_refunded, $this);
 	}
 
 	/**
      * Checks if the invoice is held.
      */
 	public function is_held() {
-        $is_held = $this->has_status( 'wpi-onhold' );
-        return apply_filters( 'wpinv_invoice_is_held', $is_held, $this );
+        $is_held = $this->has_status('wpi-onhold');
+        return apply_filters('wpinv_invoice_is_held', $is_held, $this);
 	}
 
 	/**
@@ -3053,30 +3053,30 @@ 
      */
 	public function is_due() {
 		$due_date = $this->get_due_date();
-		return empty( $due_date ) ? false : current_time( 'timestamp' ) > strtotime( $due_date );
+		return empty($due_date) ? false : current_time('timestamp') > strtotime($due_date);
 	}
 
 	/**
      * Checks if the invoice is draft.
      */
 	public function is_draft() {
-        return $this->has_status( 'draft, auto-draft' );
+        return $this->has_status('draft, auto-draft');
 	}
 
     /**
      * Checks if the invoice has a given status.
      */
-    public function has_status( $status ) {
-        $status = wpinv_parse_list( $status );
-        return apply_filters( 'wpinv_has_status', in_array( $this->get_status(), $status ), $status );
+    public function has_status($status) {
+        $status = wpinv_parse_list($status);
+        return apply_filters('wpinv_has_status', in_array($this->get_status(), $status), $status);
 	}
 
 	/**
      * Checks if the invoice is of a given type.
      */
-    public function is_type( $type ) {
-        $type = wpinv_parse_list( $type );
-        return in_array( $this->get_type(), $type );
+    public function is_type($type) {
+        $type = wpinv_parse_list($type);
+        return in_array($this->get_type(), $type);
     }
 
     /**
@@ -3108,8 +3108,8 @@ 
      *
      */
 	public function is_initial_free() {
-        $is_initial_free = ! ( (float) wpinv_round_amount( $this->get_initial_total() ) > 0 );
-        return apply_filters( 'wpinv_invoice_is_initial_free', $is_initial_free, $this->get_cart_details(), $this );
+        $is_initial_free = !((float) wpinv_round_amount($this->get_initial_total()) > 0);
+        return apply_filters('wpinv_invoice_is_initial_free', $is_initial_free, $this->get_cart_details(), $this);
     }
 	
 	/**
@@ -3119,11 +3119,11 @@ 
     public function item_has_free_trial() {
 
         // Ensure we have a recurring item.
-        if ( ! $this->is_recurring() ) {
+        if (!$this->is_recurring()) {
             return false;
         }
 
-        $item = $this->get_recurring( true );
+        $item = $this->get_recurring(true);
         return $item->has_free_trial();
 	}
 
@@ -3131,7 +3131,7 @@ 
      * Check if the free trial is a result of a discount.
      */
     public function is_free_trial_from_discount() {
-		return $this->has_free_trial() && ! $this->item_has_free_trial();
+		return $this->has_free_trial() && !$this->item_has_free_trial();
 	}
 	
 	/**
@@ -3139,12 +3139,12 @@ 
      */
     public function discount_first_payment_only() {
 
-		$discount = wpinv_get_discount_obj( $this->get_discount_code() );
-        if ( ! $discount->exists() || ! $this->is_recurring() ) {
+		$discount = wpinv_get_discount_obj($this->get_discount_code());
+        if (!$discount->exists() || !$this->is_recurring()) {
             return true;
         }
 
-        return ! $discount->get_is_recurring();
+        return !$discount->get_is_recurring();
     }
 
     /*
@@ -3162,27 +3162,27 @@ 
      * @param GetPaid_Form_Item|array $item
      * @return WP_Error|Bool
      */
-    public function add_item( $item ) {
+    public function add_item($item) {
 
-		if ( is_array( $item ) ) {
-			$item = $this->process_array_item( $item );
+		if (is_array($item)) {
+			$item = $this->process_array_item($item);
 		}
 
-		if ( is_numeric( $item ) ) {
-			$item = new GetPaid_Form_Item( $item );
+		if (is_numeric($item)) {
+			$item = new GetPaid_Form_Item($item);
 		}
 
         // Make sure that it is available for purchase.
-		if ( $item->get_id() > 0 && ! $item->can_purchase() ) {
-			return new WP_Error( 'invalid_item', __( 'This item is not available for purchase', 'invoicing' ) );
+		if ($item->get_id() > 0 && !$item->can_purchase()) {
+			return new WP_Error('invalid_item', __('This item is not available for purchase', 'invoicing'));
         }
 
         // Do we have a recurring item?
-		if ( $item->is_recurring() ) {
+		if ($item->is_recurring()) {
 
 			// An invoice can only contain one recurring item.
-			if ( ! empty( $this->recurring_item  && $this->recurring_item != (int) $item->get_id() ) ) {
-				return new WP_Error( 'recurring_item', __( 'An invoice can only contain one recurring item', 'invoicing' ) );
+			if (!empty($this->recurring_item && $this->recurring_item != (int) $item->get_id())) {
+				return new WP_Error('recurring_item', __('An invoice can only contain one recurring item', 'invoicing'));
 			}
 
 			$this->recurring_item = $item->get_id();
@@ -3193,9 +3193,9 @@ 
 
         // Retrieve all items.
         $items = $this->get_items();
-        $items[ (int) $item->get_id() ] = $item;
+        $items[(int) $item->get_id()] = $item;
 
-        $this->set_prop( 'items', $items );
+        $this->set_prop('items', $items);
 		return true;
 	}
 
@@ -3205,26 +3205,26 @@ 
 	 * @since 1.0.19
 	 * @return GetPaid_Form_Item
 	 */
-	protected function process_array_item( $array ) {
+	protected function process_array_item($array) {
 
-		$item_id = isset( $array['item_id'] ) ? $array['item_id'] : 0;
-		$item    = new GetPaid_Form_Item( $item_id );
+		$item_id = isset($array['item_id']) ? $array['item_id'] : 0;
+		$item    = new GetPaid_Form_Item($item_id);
 
 		// Set item data.
-		foreach ( array( 'name', 'price', 'description' ) as $key ) {
-			if ( isset( $array[ "item_$key" ] ) ) {
+		foreach (array('name', 'price', 'description') as $key) {
+			if (isset($array["item_$key"])) {
 				$method = "set_$key";
-				$item->$method( $array[ "item_$key" ] );
+				$item->$method($array["item_$key"]);
 			}
 		}
 
-		if ( isset( $array['quantity'] ) ) {
-			$item->set_quantity( $array['quantity'] );
+		if (isset($array['quantity'])) {
+			$item->set_quantity($array['quantity']);
 		}
 
 		// Set item meta.
-		if ( isset( $array['meta'] ) && is_array( $array['meta'] ) ) {
-			$item->set_item_meta( $array['meta'] );
+		if (isset($array['meta']) && is_array($array['meta'])) {
+			$item->set_item_meta($array['meta']);
 		}
 
 		return $item;
@@ -3236,10 +3236,10 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function get_item( $item_id ) {
+	public function get_item($item_id) {
 		$items   = $this->get_items();
 		$item_id = (int) $item_id;
-		return ( ! empty( $item_id ) && isset( $items[ $item_id ] ) ) ? $items[ $item_id ] : null;
+		return (!empty($item_id) && isset($items[$item_id])) ? $items[$item_id] : null;
     }
 
     /**
@@ -3247,17 +3247,17 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_item( $item_id ) {
+	public function remove_item($item_id) {
 		$items   = $this->get_items();
 		$item_id = (int) $item_id;
 
-        if ( $item_id == $this->recurring_item ) {
+        if ($item_id == $this->recurring_item) {
             $this->recurring_item = null;
         }
 
-        if ( isset( $items[ $item_id ] ) ) {
-            unset( $items[ $item_id ] );
-            $this->set_prop( 'items', $items );
+        if (isset($items[$item_id])) {
+            unset($items[$item_id]);
+            $this->set_prop('items', $items);
         }
     }
 
@@ -3267,11 +3267,11 @@ 
 	 * @param array $fee An array of fee details. name, initial_fee, and recurring_fee are required.
 	 * @since 1.0.19
 	 */
-    public function add_fee( $fee ) {
+    public function add_fee($fee) {
 
 		$fees                 = $this->get_fees();
-		$fees[ $fee['name'] ] = $fee;
-		$this->set_prop( 'fees', $fees );
+		$fees[$fee['name']] = $fee;
+		$this->set_prop('fees', $fees);
 
     }
 
@@ -3280,9 +3280,9 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function get_fee( $fee ) {
+	public function get_fee($fee) {
         $fees = $this->get_fees();
-		return isset( $fees[ $fee ] ) ? $fees[ $fee ] : null;
+		return isset($fees[$fee]) ? $fees[$fee] : null;
     }
 
     /**
@@ -3290,11 +3290,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_fee( $fee ) {
+	public function remove_fee($fee) {
         $fees = $this->get_fees();
-        if ( isset( $fees[ $fee ] ) ) {
-            unset( $fees[ $fee ] );
-            $this->set_prop( 'fees', $fees );
+        if (isset($fees[$fee])) {
+            unset($fees[$fee]);
+            $this->set_prop('fees', $fees);
         }
     }
 
@@ -3304,11 +3304,11 @@ 
 	 * @param array $discount An array of discount details. name, initial_discount, and recurring_discount are required. Include discount_code if the discount is from a discount code.
 	 * @since 1.0.19
 	 */
-	public function add_discount( $discount ) {
+	public function add_discount($discount) {
 
 		$discounts = $this->get_discounts();
-		$discounts[ $discount['name'] ] = $discount;
-		$this->set_prop( 'discounts', $discounts );
+		$discounts[$discount['name']] = $discount;
+		$this->set_prop('discounts', $discounts);
 
 	}
 
@@ -3318,15 +3318,15 @@ 
 	 * @since 1.0.19
 	 * @return float
 	 */
-	public function get_discount( $discount = false ) {
+	public function get_discount($discount = false) {
 
 		// Backwards compatibilty.
-		if ( empty( $discount ) ) {
+		if (empty($discount)) {
 			return $this->get_total_discount();
 		}
 
         $discounts = $this->get_discounts();
-		return isset( $discounts[ $discount ] ) ? $discounts[ $discount ] : null;
+		return isset($discounts[$discount]) ? $discounts[$discount] : null;
     }
 
     /**
@@ -3334,11 +3334,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_discount( $discount ) {
+	public function remove_discount($discount) {
         $discounts = $this->get_discounts();
-        if ( isset( $discounts[ $discount ] ) ) {
-            unset( $discounts[ $discount ] );
-            $this->set_prop( 'discounts', $discounts );
+        if (isset($discounts[$discount])) {
+            unset($discounts[$discount]);
+            $this->set_prop('discounts', $discounts);
         }
     }
 
@@ -3347,12 +3347,12 @@ 
      *
      * @param array $tax An array of tax details. name, initial_tax, and recurring_tax are required.
      */
-    public function add_tax( $tax ) {
-        if ( $this->is_taxable() ) {
+    public function add_tax($tax) {
+        if ($this->is_taxable()) {
 
-            $taxes                 = $this->get_taxes();
-			$taxes[ $tax['name'] ] = $tax;
-			$this->set_prop( 'taxes', $tax );
+            $taxes = $this->get_taxes();
+			$taxes[$tax['name']] = $tax;
+			$this->set_prop('taxes', $tax);
 
         }
     }
@@ -3362,15 +3362,15 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function get_tax( $tax = null ) {
+	public function get_tax($tax = null) {
 
 		// Backwards compatility.
-		if ( empty( $tax ) ) {
+		if (empty($tax)) {
 			return $this->get_total_tax();
 		}
 
         $taxes = $this->get_taxes();
-		return isset( $taxes[ $tax ] ) ? $taxes[ $tax ] : null;
+		return isset($taxes[$tax]) ? $taxes[$tax] : null;
     }
 
     /**
@@ -3378,11 +3378,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_tax( $tax ) {
+	public function remove_tax($tax) {
         $taxes = $this->get_taxes();
-        if ( isset( $taxes[ $tax ] ) ) {
-            unset( $taxes[ $tax ] );
-            $this->set_prop( 'taxes', $taxes );
+        if (isset($taxes[$tax])) {
+            unset($taxes[$tax]);
+            $this->set_prop('taxes', $taxes);
         }
     }
 
@@ -3393,17 +3393,17 @@ 
 	 * @return float The recalculated subtotal
 	 */
 	public function recalculate_subtotal() {
-        $items     = $this->get_items();
+        $items = $this->get_items();
 		$subtotal  = 0;
 		$recurring = 0;
 
-        foreach ( $items as $item ) {
+        foreach ($items as $item) {
 			$subtotal  += $item->get_sub_total();
 			$recurring += $item->get_recurring_sub_total();
         }
 
 		$current = $this->is_renewal() ? $recurring : $subtotal;
-		$this->set_subtotal( $current );
+		$this->set_subtotal($current);
 
 		$this->totals['subtotal'] = array(
 			'initial'   => $subtotal,
@@ -3424,14 +3424,14 @@ 
 		$discount  = 0;
 		$recurring = 0;
 
-        foreach ( $discounts as $data ) {
-			$discount  += wpinv_sanitize_amount( $data['initial_discount'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_discount'] );
+        foreach ($discounts as $data) {
+			$discount  += wpinv_sanitize_amount($data['initial_discount']);
+			$recurring += wpinv_sanitize_amount($data['recurring_discount']);
 		}
 
 		$current = $this->is_renewal() ? $recurring : $discount;
 
-		$this->set_total_discount( $current );
+		$this->set_total_discount($current);
 
 		$this->totals['discount'] = array(
 			'initial'   => $discount,
@@ -3449,17 +3449,17 @@ 
 	 * @return float The recalculated tax
 	 */
 	public function recalculate_total_tax() {
-        $taxes     = $this->get_taxes();
+        $taxes = $this->get_taxes();
 		$tax       = 0;
 		$recurring = 0;
 
-        foreach ( $taxes as $data ) {
-			$tax       += wpinv_sanitize_amount( $data['initial_tax'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_tax'] );
+        foreach ($taxes as $data) {
+			$tax       += wpinv_sanitize_amount($data['initial_tax']);
+			$recurring += wpinv_sanitize_amount($data['recurring_tax']);
 		}
 
 		$current = $this->is_renewal() ? $recurring : $tax;
-		$this->set_total_tax( $current );
+		$this->set_total_tax($current);
 
 		$this->totals['tax'] = array(
 			'initial'   => $tax,
@@ -3481,20 +3481,20 @@ 
 		$fee       = 0;
 		$recurring = 0;
 
-        foreach ( $fees as $data ) {
-			$fee       += wpinv_sanitize_amount( $data['initial_fee'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_fee'] );
+        foreach ($fees as $data) {
+			$fee       += wpinv_sanitize_amount($data['initial_fee']);
+			$recurring += wpinv_sanitize_amount($data['recurring_fee']);
 		}
 
 		$current = $this->is_renewal() ? $recurring : $fee;
-		$this->set_total_fees( $current );
+		$this->set_total_fees($current);
 
 		$this->totals['fee'] = array(
 			'initial'   => $fee,
 			'recurring' => $recurring,
 		);
 
-        $this->set_total_fees( $fee );
+        $this->set_total_fees($fee);
         return $current;
     }
 
@@ -3517,7 +3517,7 @@ 
 	 */
     public function recalculate_totals() {
         $this->recalculate_total();
-        $this->save( true );
+        $this->save(true);
         return $this;
     }
 
@@ -3535,10 +3535,10 @@ 
 	 * @return int|false The new note's ID on success, false on failure.
      *
      */
-    public function add_note( $note = '', $customer_type = false, $added_by_user = false, $system = false ) {
+    public function add_note($note = '', $customer_type = false, $added_by_user = false, $system = false) {
 
         // Bail if no note specified or this invoice is not yet saved.
-        if ( ! $note || $this->get_id() == 0 || ( ! is_user_logged_in() && ! $system ) ) {
+        if (!$note || $this->get_id() == 0 || (!is_user_logged_in() && !$system)) {
             return false;
         }
 
@@ -3546,23 +3546,23 @@ 
 		$author_email = 'bot@wpinvoicing.com';
 
 		// If this is an admin comment or it has been added by the user.
-		if ( is_user_logged_in() && ( ! $system || $added_by_user ) ) {
-			$user         = get_user_by( 'id', get_current_user_id() );
+		if (is_user_logged_in() && (!$system || $added_by_user)) {
+			$user = get_user_by('id', get_current_user_id());
             $author       = $user->display_name;
             $author_email = $user->user_email;
 		}
 
-		return getpaid_notes()->add_invoice_note( $this, $note, $author, $author_email, $customer_type );
+		return getpaid_notes()->add_invoice_note($this, $note, $author, $author_email, $customer_type);
 
 	}
 
 	/**
      * Generates a unique key for the invoice.
      */
-    public function generate_key( $string = '' ) {
-        $auth_key  = defined( 'AUTH_KEY' ) ? AUTH_KEY : '';
+    public function generate_key($string = '') {
+        $auth_key = defined('AUTH_KEY') ? AUTH_KEY : '';
         return strtolower(
-            $string . md5( $this->get_id() . date( 'Y-m-d H:i:s' ) . $auth_key . uniqid( 'wpinv', true ) )
+            $string . md5($this->get_id() . date('Y-m-d H:i:s') . $auth_key . uniqid('wpinv', true))
         );
     }
 
@@ -3572,11 +3572,11 @@ 
     public function generate_number() {
         $number = $this->get_id();
 
-        if ( wpinv_sequential_number_active( $this->get_post_type() ) ) {
-            $number = wpinv_get_next_invoice_number( $this->get_post_type() );
+        if (wpinv_sequential_number_active($this->get_post_type())) {
+            $number = wpinv_get_next_invoice_number($this->get_post_type());
         }
 
-		return wpinv_format_invoice_number( $number, $this->get_post_type() );
+		return wpinv_format_invoice_number($number, $this->get_post_type());
 
 	}
 
@@ -3589,55 +3589,55 @@ 
 		// Reset status transition variable.
 		$this->status_transition = false;
 
-		if ( $status_transition ) {
+		if ($status_transition) {
 			try {
 
 				// Fire a hook for the status change.
-				do_action( 'getpaid_invoice_status_' . $status_transition['to'], $this, $status_transition );
+				do_action('getpaid_invoice_status_' . $status_transition['to'], $this, $status_transition);
 
 				// @deprecated this is deprecated and will be removed in the future.
-				do_action( 'wpinv_status_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
+				do_action('wpinv_status_' . $status_transition['to'], $this->get_id(), $status_transition['from']);
 
-				if ( ! empty( $status_transition['from'] ) ) {
+				if (!empty($status_transition['from'])) {
 
 					/* translators: 1: old invoice status 2: new invoice status */
-					$transition_note = sprintf( __( 'Status changed from %1$s to %2$s.', 'invoicing' ), wpinv_status_nicename( $status_transition['from'], $this ), wpinv_status_nicename( $status_transition['to'], $this  ) );
+					$transition_note = sprintf(__('Status changed from %1$s to %2$s.', 'invoicing'), wpinv_status_nicename($status_transition['from'], $this), wpinv_status_nicename($status_transition['to'], $this));
 
 					// Fire another hook.
-					do_action( 'getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this );
-					do_action( 'getpaid_invoice_status_changed', $this, $status_transition['from'], $status_transition['to'] );
+					do_action('getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this);
+					do_action('getpaid_invoice_status_changed', $this, $status_transition['from'], $status_transition['to']);
 
 					// @deprecated this is deprecated and will be removed in the future.
-					do_action( 'wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
+					do_action('wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $status_transition['from']);
 
 					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), false, $status_transition['manual'] );
+					$this->add_note(trim($status_transition['note'] . ' ' . $transition_note), false, $status_transition['manual']);
 
 					// Work out if this was for a payment, and trigger a payment_status hook instead.
 					if (
-						in_array( $status_transition['from'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
-						&& in_array( $status_transition['to'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
+						in_array($status_transition['from'], array('wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold'), true)
+						&& in_array($status_transition['to'], array('publish', 'wpi-processing', 'wpi-renewal'), true)
 					) {
-						do_action( 'getpaid_invoice_payment_status_changed', $this, $status_transition );
+						do_action('getpaid_invoice_payment_status_changed', $this, $status_transition);
 					}
 
 					// Work out if this was for a payment reversal, and trigger a payment_status_reversed hook instead.
 					if (
-						in_array( $status_transition['from'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
-						&& in_array( $status_transition['to'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
+						in_array($status_transition['from'], array('publish', 'wpi-processing', 'wpi-renewal'), true)
+						&& in_array($status_transition['to'], array('wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold'), true)
 					) {
-						do_action( 'getpaid_invoice_payment_status_reversed', $this, $status_transition );
+						do_action('getpaid_invoice_payment_status_reversed', $this, $status_transition);
 					}
 				} else {
 					/* translators: %s: new invoice status */
-					$transition_note = sprintf( __( 'Status set to %s.', 'invoicing' ), wpinv_status_nicename( $status_transition['to'], $this  ) );
+					$transition_note = sprintf(__('Status set to %s.', 'invoicing'), wpinv_status_nicename($status_transition['to'], $this));
 
 					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
+					$this->add_note(trim($status_transition['note'] . ' ' . $transition_note), 0, $status_transition['manual']);
 
 				}
-			} catch ( Exception $e ) {
-				$this->add_note( __( 'Error during status transition.', 'invoicing' ) . ' ' . $e->getMessage() );
+			} catch (Exception $e) {
+				$this->add_note(__('Error during status transition.', 'invoicing') . ' ' . $e->getMessage());
 			}
 		}
 	}
@@ -3645,13 +3645,13 @@ 
 	/**
 	 * Updates an invoice status.
 	 */
-	public function update_status( $new_status = false, $note = '', $manual = false ) {
+	public function update_status($new_status = false, $note = '', $manual = false) {
 
 		// Fires before updating a status.
-		do_action( 'wpinv_before_invoice_status_change', $this->get_id(), $new_status, $this->get_status( 'edit' ) );
+		do_action('wpinv_before_invoice_status_change', $this->get_id(), $new_status, $this->get_status('edit'));
 
 		// Update the status.
-		$this->set_status( $new_status, $note, $manual );
+		$this->set_status($new_status, $note, $manual);
 
 		// Save the order.
 		return $this->save();
@@ -3662,18 +3662,18 @@ 
 	 * @deprecated
 	 */
 	public function refresh_item_ids() {
-        $item_ids = implode( ',', array_unique( array_keys( $this->get_items() ) ) );
-        update_post_meta( $this->get_id(), '_wpinv_item_ids', $item_ids );
+        $item_ids = implode(',', array_unique(array_keys($this->get_items())));
+        update_post_meta($this->get_id(), '_wpinv_item_ids', $item_ids);
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function update_items( $temp = false ) {
+	public function update_items($temp = false) {
 
-		$this->set_items( $this->get_items() );
+		$this->set_items($this->get_items());
 
-		if ( ! $temp ) {
+		if (!$temp) {
 			$this->save();
 		}
 
@@ -3687,11 +3687,11 @@ 
 
         $discount_code = $this->get_discount_code();
 
-        if ( empty( $discount_code ) ) {
+        if (empty($discount_code)) {
             return false;
         }
 
-        $discount = wpinv_get_discount_obj( $discount_code );
+        $discount = wpinv_get_discount_obj($discount_code);
 
         // Ensure it is active.
         return $discount->exists();
@@ -3702,7 +3702,7 @@ 
 	 * Refunds an invoice.
 	 */
     public function refund() {
-		$this->set_status( 'wpi-refunded' );
+		$this->set_status('wpi-refunded');
         $this->save();
 	}
 
@@ -3711,53 +3711,53 @@ 
 	 * 
 	 * @param string $transaction_id
 	 */
-    public function mark_paid( $transaction_id = null, $note = '' ) {
+    public function mark_paid($transaction_id = null, $note = '') {
 
 		// Set the transaction id.
-		if ( empty( $transaction_id ) ) {
+		if (empty($transaction_id)) {
 			$transaction_id = $this->generate_key('trans_');
 		}
 
-		if ( ! $this->get_transaction_id() ) {
-			$this->set_transaction_id( $transaction_id );
+		if (!$this->get_transaction_id()) {
+			$this->set_transaction_id($transaction_id);
 		}
 
-		if ( $this->is_paid() && 'wpi-processing' != $this->get_status() ) {
+		if ($this->is_paid() && 'wpi-processing' != $this->get_status()) {
 			return $this->save();
 		}
 
 		// Set the completed date.
-		$this->set_date_completed( current_time( 'mysql' ) );
+		$this->set_date_completed(current_time('mysql'));
 
 		// Set the new status.
-		$gateway = sanitize_text_field( $this->get_gateway_title() );
-		if ( $this->is_renewal() ) {
+		$gateway = sanitize_text_field($this->get_gateway_title());
+		if ($this->is_renewal()) {
 
-			$_note = wp_sprintf( __( 'Renewed via %s', 'invoicing' ), $gateway );
-			$_note = $_note . empty( $note ) ? '' : " ($note)";
+			$_note = wp_sprintf(__('Renewed via %s', 'invoicing'), $gateway);
+			$_note = $_note . empty($note) ? '' : " ($note)";
 
-			if ( 'none' == $this->get_gateway() ) {
+			if ('none' == $this->get_gateway()) {
 				$_note = $note;
 			}
 
-			$this->set_status( 'wpi-renewal', $_note );
+			$this->set_status('wpi-renewal', $_note);
 
 		} else {
 
-			$_note = wp_sprintf( __( 'Paid via %s', 'invoicing' ), $gateway );
-			$_note = $_note . empty( $note ) ? '' : " ($note)";
+			$_note = wp_sprintf(__('Paid via %s', 'invoicing'), $gateway);
+			$_note = $_note . empty($note) ? '' : " ($note)";
 
-			if ( 'none' == $this->get_gateway() ) {
+			if ('none' == $this->get_gateway()) {
 				$_note = $note;
 			}
 
-			$this->set_status( 'publish', $_note );
+			$this->set_status('publish', $_note);
 
 		}
 
 		// Set checkout mode.
-		$mode = wpinv_is_test_mode( $this->get_gateway() ) ? 'test' : 'live';
-		$this->set_mode( $mode );
+		$mode = wpinv_is_test_mode($this->get_gateway()) ? 'test' : 'live';
+		$this->set_mode($mode);
 
 		// Save the invoice.
         $this->save();
@@ -3782,9 +3782,9 @@ 
      * Clears the subscription's cache.
      */
     public function clear_cache() {
-		wp_cache_delete( $this->get_key(), 'getpaid_invoice_keys_to_invoice_ids' );
-		wp_cache_delete( $this->get_number(), 'getpaid_invoice_numbers_to_invoice_ids' );
-		wp_cache_delete( $this->get_transaction_id(), 'getpaid_invoice_transaction_ids_to_invoice_ids' );
+		wp_cache_delete($this->get_key(), 'getpaid_invoice_keys_to_invoice_ids');
+		wp_cache_delete($this->get_number(), 'getpaid_invoice_numbers_to_invoice_ids');
+		wp_cache_delete($this->get_transaction_id(), 'getpaid_invoice_transaction_ids_to_invoice_ids');
 	}
 
 }

includes/wpinv-item-functions.php

Spacing +115 added lines, -115 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
  
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Retrieves an item by it's ID.
@@ -14,9 +14,9 @@ 
  * @param int the item ID to retrieve.
  * @return WPInv_Item|false
  */
-function wpinv_get_item_by_id( $id ) {
-    $item = wpinv_get_item( $id );
-    return empty( $item ) || $id != $item->get_id() ? false : $item;
+function wpinv_get_item_by_id($id) {
+    $item = wpinv_get_item($id);
+    return empty($item) || $id != $item->get_id() ? false : $item;
 }
 
 /**
@@ -24,14 +24,14 @@ 
  * 
  * @return WPInv_Item|false
  */
-function wpinv_get_item_by( $field = '', $value = '', $type = '' ) {
+function wpinv_get_item_by($field = '', $value = '', $type = '') {
 
-    if ( 'id' == strtolower( $field ) ) {
-        return wpinv_get_item_by_id( $field );
+    if ('id' == strtolower($field)) {
+        return wpinv_get_item_by_id($field);
     }
 
-    $id = WPInv_Item::get_item_id_by_field( $value, strtolower( $field ), $type );
-    return empty( $id ) ? false : wpinv_get_item( $id );
+    $id = WPInv_Item::get_item_id_by_field($value, strtolower($field), $type);
+    return empty($id) ? false : wpinv_get_item($id);
 
 }
 
@@ -41,22 +41,22 @@ 
  * @param int|WPInv_Item the item to retrieve.
  * @return WPInv_Item|false
  */
-function wpinv_get_item( $item = 0 ) {
+function wpinv_get_item($item = 0) {
 
-    if ( empty( $item ) ) {
+    if (empty($item)) {
         return false;
     }
 
-    $item = new WPInv_Item( $item );
+    $item = new WPInv_Item($item);
     return $item->exists() ? $item : false;
 
 }
 
-function wpinv_get_all_items( $args = array() ) {
+function wpinv_get_all_items($args = array()) {
 
-    $args = wp_parse_args( $args, array(
-        'status'         => array( 'publish' ),
-        'limit'          => get_option( 'posts_per_page' ),
+    $args = wp_parse_args($args, array(
+        'status'         => array('publish'),
+        'limit'          => get_option('posts_per_page'),
         'page'           => 1,
         'exclude'        => array(),
         'orderby'        => 'date',
@@ -65,7 +65,7 @@ 
         'meta_query'     => array(),
         'return'         => 'objects',
         'paginate'       => false,
-    ) );
+    ));
 
     $wp_query_args = array(
         'post_type'      => 'wpi_item',
@@ -75,26 +75,26 @@ 
         'fields'         => 'ids',
         'orderby'        => $args['orderby'],
         'order'          => $args['order'],
-        'paged'          => absint( $args['page'] ),
+        'paged'          => absint($args['page']),
     );
 
-    if ( ! empty( $args['exclude'] ) ) {
-        $wp_query_args['post__not_in'] = array_map( 'absint', $args['exclude'] );
+    if (!empty($args['exclude'])) {
+        $wp_query_args['post__not_in'] = array_map('absint', $args['exclude']);
     }
 
-    if ( ! $args['paginate' ] ) {
+    if (!$args['paginate']) {
         $wp_query_args['no_found_rows'] = true;
     }
 
-    if ( ! empty( $args['search'] ) ) {
+    if (!empty($args['search'])) {
         $wp_query_args['s'] = $args['search'];
     }
 
-    if ( ! empty( $args['type'] ) && $args['type'] !== wpinv_item_types() ) {
-        $types = wpinv_parse_list( $args['type'] );
+    if (!empty($args['type']) && $args['type'] !== wpinv_item_types()) {
+        $types = wpinv_parse_list($args['type']);
         $wp_query_args['meta_query'][] = array(
             'key'     => '_wpinv_type',
-            'value'   => implode( ',', $types ),
+            'value'   => implode(',', $types),
             'compare' => 'IN',
         );
     }
@@ -102,17 +102,17 @@ 
     $wp_query_args = apply_filters('wpinv_get_items_args', $wp_query_args, $args);
 
     // Get results.
-    $items = new WP_Query( $wp_query_args );
+    $items = new WP_Query($wp_query_args);
 
-    if ( 'objects' === $args['return'] ) {
-        $return = array_map( 'wpinv_get_item_by_id', $items->posts );
-    } elseif ( 'self' === $args['return'] ) {
+    if ('objects' === $args['return']) {
+        $return = array_map('wpinv_get_item_by_id', $items->posts);
+    } elseif ('self' === $args['return']) {
         return $items;
     } else {
         $return = $items->posts;
     }
 
-    if ( $args['paginate' ] ) {
+    if ($args['paginate']) {
         return (object) array(
             'items'      => $return,
             'total'         => $items->found_posts,
@@ -124,12 +124,12 @@ 
 
 }
 
-function wpinv_is_free_item( $item_id = 0 ) {
-    if( empty( $item_id ) ) {
+function wpinv_is_free_item($item_id = 0) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $item = new WPInv_Item( $item_id );
+    $item = new WPInv_Item($item_id);
     
     return $item->is_free();
 }
@@ -139,21 +139,21 @@ 
  * 
  * @param WP_Post|WPInv_Item|Int $item The item to check for.
  */
-function wpinv_item_is_editable( $item = 0 ) {
+function wpinv_item_is_editable($item = 0) {
 
     // Fetch the item.
-    $item = new WPInv_Item( $item );
+    $item = new WPInv_Item($item);
 
     // Check if it is editable.
     return $item->is_editable();
 }
 
-function wpinv_get_item_price( $item_id = 0 ) {
-    if( empty( $item_id ) ) {
+function wpinv_get_item_price($item_id = 0) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $item = new WPInv_Item( $item_id );
+    $item = new WPInv_Item($item_id);
     
     return $item->get_price();
 }
@@ -163,96 +163,96 @@ 
  *
  * @param WPInv_Item|int $item
  */
-function wpinv_is_recurring_item( $item = 0 ) {
-    $item = new WPInv_Item( $item ); 
+function wpinv_is_recurring_item($item = 0) {
+    $item = new WPInv_Item($item); 
     return $item->is_recurring();
 }
 
-function wpinv_item_price( $item_id = 0 ) {
-    if( empty( $item_id ) ) {
+function wpinv_item_price($item_id = 0) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $price = wpinv_get_item_price( $item_id );
-    $price = wpinv_price( $price );
+    $price = wpinv_get_item_price($item_id);
+    $price = wpinv_price($price);
     
-    return apply_filters( 'wpinv_item_price', $price, $item_id );
+    return apply_filters('wpinv_item_price', $price, $item_id);
 }
 
-function wpinv_get_item_final_price( $item_id = 0, $amount_override = null ) {
-    if ( is_null( $amount_override ) ) {
-        $original_price = get_post_meta( $item_id, '_wpinv_price', true );
+function wpinv_get_item_final_price($item_id = 0, $amount_override = null) {
+    if (is_null($amount_override)) {
+        $original_price = get_post_meta($item_id, '_wpinv_price', true);
     } else {
         $original_price = $amount_override;
     }
     
     $price = $original_price;
 
-    return apply_filters( 'wpinv_get_item_final_price', $price, $item_id );
+    return apply_filters('wpinv_get_item_final_price', $price, $item_id);
 }
 
-function wpinv_item_custom_singular_name( $item_id ) {
-    if( empty( $item_id ) ) {
+function wpinv_item_custom_singular_name($item_id) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $item = new WPInv_Item( $item_id );
+    $item = new WPInv_Item($item_id);
     
     return $item->get_custom_singular_name();
 }
 
 function wpinv_get_item_types() {
     $item_types = array(
-            'custom'    => __( 'Standard', 'invoicing' ),
-            'fee'       => __( 'Fee', 'invoicing' ),
+            'custom'    => __('Standard', 'invoicing'),
+            'fee'       => __('Fee', 'invoicing'),
         );
-    return apply_filters( 'wpinv_get_item_types', $item_types );
+    return apply_filters('wpinv_get_item_types', $item_types);
 }
 
 function wpinv_item_types() {
     $item_types = wpinv_get_item_types();
     
-    return ( !empty( $item_types ) ? array_keys( $item_types ) : array() );
+    return (!empty($item_types) ? array_keys($item_types) : array());
 }
 
-function wpinv_get_item_type( $item_id ) {
-    if( empty( $item_id ) ) {
+function wpinv_get_item_type($item_id) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $item = new WPInv_Item( $item_id );
+    $item = new WPInv_Item($item_id);
     
     return $item->get_type();
 }
 
-function wpinv_item_type( $item_id ) {
+function wpinv_item_type($item_id) {
     $item_types = wpinv_get_item_types();
     
-    $item_type = wpinv_get_item_type( $item_id );
+    $item_type = wpinv_get_item_type($item_id);
     
-    if ( empty( $item_type ) ) {
+    if (empty($item_type)) {
         $item_type = '-';
     }
     
-    $item_type = isset( $item_types[$item_type] ) ? $item_types[$item_type] : __( $item_type, 'invoicing' );
+    $item_type = isset($item_types[$item_type]) ? $item_types[$item_type] : __($item_type, 'invoicing');
 
-    return apply_filters( 'wpinv_item_type', $item_type, $item_id );
+    return apply_filters('wpinv_item_type', $item_type, $item_id);
 }
 
-function wpinv_get_random_item( $post_ids = true ) {
-    wpinv_get_random_items( 1, $post_ids );
+function wpinv_get_random_item($post_ids = true) {
+    wpinv_get_random_items(1, $post_ids);
 }
 
-function wpinv_get_random_items( $num = 3, $post_ids = true ) {
-    if ( $post_ids ) {
-        $args = array( 'post_type' => 'wpi_item', 'orderby' => 'rand', 'post_count' => $num, 'fields' => 'ids' );
+function wpinv_get_random_items($num = 3, $post_ids = true) {
+    if ($post_ids) {
+        $args = array('post_type' => 'wpi_item', 'orderby' => 'rand', 'post_count' => $num, 'fields' => 'ids');
     } else {
-        $args = array( 'post_type' => 'wpi_item', 'orderby' => 'rand', 'post_count' => $num );
+        $args = array('post_type' => 'wpi_item', 'orderby' => 'rand', 'post_count' => $num);
     }
     
-    $args  = apply_filters( 'wpinv_get_random_items', $args );
+    $args = apply_filters('wpinv_get_random_items', $args);
     
-    return get_posts( $args );
+    return get_posts($args);
 }
 
 /**
@@ -261,13 +261,13 @@ 
  * @param WPInv_Item|int $item
  * @param bool $html
  */
-function wpinv_get_item_suffix( $item, $html = true ) {
+function wpinv_get_item_suffix($item, $html = true) {
 
-    $item   = new WPInv_Item( $item );
-    $suffix = $item->is_recurring() ? ' <span class="wpi-suffix">' . __( '(r)', 'invoicing' ) . '</span>' : '';
-    $suffix = $html ? $suffix : strip_tags( $suffix );
+    $item   = new WPInv_Item($item);
+    $suffix = $item->is_recurring() ? ' <span class="wpi-suffix">' . __('(r)', 'invoicing') . '</span>' : '';
+    $suffix = $html ? $suffix : strip_tags($suffix);
 
-    return apply_filters( 'wpinv_get_item_suffix', $suffix, $item, $html );
+    return apply_filters('wpinv_get_item_suffix', $suffix, $item, $html);
 }
 
 /**
@@ -276,9 +276,9 @@ 
  * @param WPInv_Item|int $item
  * @param bool $force_delete
  */
-function wpinv_remove_item( $item = 0, $force_delete = false ) {
-    $item = new WPInv_Item( $item );
-    $item->delete( $force_delete );
+function wpinv_remove_item($item = 0, $force_delete = false) {
+    $item = new WPInv_Item($item);
+    $item->delete($force_delete);
 }
 
 /**
@@ -317,45 +317,45 @@ 
  * @param bool $wp_error whether or not to return a WP_Error on failure.
  * @return bool|WP_Error|WPInv_Item
  */
-function wpinv_create_item( $args = array(), $wp_error = false ) {
+function wpinv_create_item($args = array(), $wp_error = false) {
 
     // Prepare the item.
-    if ( ! empty( $args['custom_id'] ) && empty( $args['ID'] ) ) {
-        $type = empty( $args['type'] ) ? 'custom' : $args['type'];
-        $item = wpinv_get_item_by( 'custom_id', $args['custom_id'], $type );
+    if (!empty($args['custom_id']) && empty($args['ID'])) {
+        $type = empty($args['type']) ? 'custom' : $args['type'];
+        $item = wpinv_get_item_by('custom_id', $args['custom_id'], $type);
 
-        if ( ! empty( $item ) ) {
+        if (!empty($item)) {
             $args['ID'] = $item->get_id();
         }
 
     }
 
     // Do we have an item?
-    if ( ! empty( $args['ID'] ) ) {
-        $item = new WPInv_Item( $args['ID'] );
+    if (!empty($args['ID'])) {
+        $item = new WPInv_Item($args['ID']);
     } else {
         $item = new WPInv_Item();
     }
 
     // Do we have an error?
-    if ( ! empty( $item->last_error ) ) {
-        return $wp_error ? new WP_Error( 'invalid_item', $item->last_error ) : false;
+    if (!empty($item->last_error)) {
+        return $wp_error ? new WP_Error('invalid_item', $item->last_error) : false;
     }
 
     // Update item props.
-    $item->set_props( $args );
+    $item->set_props($args);
 
     // Save the item.
     $item->save();
 
     // Do we have an error?
-    if ( ! empty( $item->last_error ) ) {
-        return $wp_error ? new WP_Error( 'not_saved', $item->last_error ) : false;
+    if (!empty($item->last_error)) {
+        return $wp_error ? new WP_Error('not_saved', $item->last_error) : false;
     }
 
     // Was the item saved?
-    if ( ! $item->get_id() ) {
-        return $wp_error ? new WP_Error( 'not_saved', __( 'An error occured while saving the item', 'invoicing' ) ) : false;
+    if (!$item->get_id()) {
+        return $wp_error ? new WP_Error('not_saved', __('An error occured while saving the item', 'invoicing')) : false;
     }
 
     return $item;
@@ -367,14 +367,14 @@ 
  * 
  * @see wpinv_create_item()
  */
-function wpinv_update_item( $args = array(), $wp_error = false ) {
-    return wpinv_create_item( $args, $wp_error );
+function wpinv_update_item($args = array(), $wp_error = false) {
+    return wpinv_create_item($args, $wp_error);
 }
 
 /**
  * Sanitizes a recurring period
  */
-function getpaid_sanitize_recurring_period( $period, $full = false ) {
+function getpaid_sanitize_recurring_period($period, $full = false) {
 
     $periods = array(
         'D' => 'day',
@@ -383,11 +383,11 @@ 
         'Y' => 'year',
     );
 
-    if ( ! isset( $periods[ $period ] ) ) {
+    if (!isset($periods[$period])) {
         $period = 'D';
     }
 
-    return $full ? $periods[ $period ] : $period;
+    return $full ? $periods[$period] : $period;
 
 }
 
@@ -396,34 +396,34 @@ 
  * 
  * @param WPInv_Item|GetPaid_Form_Item $item
  */
-function getpaid_item_recurring_price_help_text( $item, $currency = '' ) {
+function getpaid_item_recurring_price_help_text($item, $currency = '') {
 
     // Abort if it is not recurring.
-    if ( ! $item->is_recurring() ) {
+    if (!$item->is_recurring()) {
         return '';
     }
 
-    $initial_price   = wpinv_price( $item->get_initial_price(), $currency );
-    $recurring_price = wpinv_price( $item->get_recurring_price(), $currency );
-    $period          = getpaid_get_subscription_period_label( $item->get_recurring_period(), $item->get_recurring_interval(), '' );
+    $initial_price   = wpinv_price($item->get_initial_price(), $currency);
+    $recurring_price = wpinv_price($item->get_recurring_price(), $currency);
+    $period          = getpaid_get_subscription_period_label($item->get_recurring_period(), $item->get_recurring_interval(), '');
     $initial_class   = 'getpaid-item-initial-price';
     $recurring_class = 'getpaid-item-recurring-price';
 
-    if ( $item instanceof GetPaid_Form_Item ) {
-        $initial_price   = wpinv_price( $item->get_sub_total(), $currency );
-        $recurring_price = wpinv_price( $item->get_recurring_sub_total(), $currency );
+    if ($item instanceof GetPaid_Form_Item) {
+        $initial_price   = wpinv_price($item->get_sub_total(), $currency);
+        $recurring_price = wpinv_price($item->get_recurring_sub_total(), $currency);
     }
 
     // For free trial items.
-    if ( $item->has_free_trial() ) {
-        $trial_period = getpaid_get_subscription_period_label( $item->get_trial_period(), $item->get_trial_interval() );
+    if ($item->has_free_trial()) {
+        $trial_period = getpaid_get_subscription_period_label($item->get_trial_period(), $item->get_trial_interval());
 
-        if ( 0 == $item->get_initial_price() ) {
+        if (0 == $item->get_initial_price()) {
 
             return sprintf(
 
                 // translators: $1: is the trial period, $2: is the recurring price, $3: is the susbcription period
-                _x( 'Free for %1$s then %2$s / %3$s', 'Item subscription amount. (e.g.: Free for 1 month then $120 / year)', 'invoicing' ),
+                _x('Free for %1$s then %2$s / %3$s', 'Item subscription amount. (e.g.: Free for 1 month then $120 / year)', 'invoicing'),
                 $trial_period,
                 "<span class='$recurring_class'>$recurring_price</span>",
                 $period
@@ -435,7 +435,7 @@ 
         return sprintf(
 
             // translators: $1: is the initial price, $2: is the trial period, $3: is the recurring price, $4: is the susbcription period
-            _x( '%1$s for %2$s then %3$s / %4$s', 'Item subscription amount. (e.g.: $7 for 1 month then $120 / year)', 'invoicing' ),
+            _x('%1$s for %2$s then %3$s / %4$s', 'Item subscription amount. (e.g.: $7 for 1 month then $120 / year)', 'invoicing'),
             "<span class='$initial_class'>$initial_price</span>",
             $trial_period,
             "<span class='$recurring_class'>$recurring_price</span>",
@@ -445,12 +445,12 @@ 
 
     }
 
-    if ( $initial_price == $recurring_price ) {
+    if ($initial_price == $recurring_price) {
 
         return sprintf(
 
             // translators: $1: is the recurring price, $2: is the susbcription period
-            _x( '%1$s / %2$s', 'Item subscription amount. (e.g.: $120 / year)', 'invoicing' ),
+            _x('%1$s / %2$s', 'Item subscription amount. (e.g.: $120 / year)', 'invoicing'),
             "<span class='$recurring_class'>$recurring_price</span>",
             $period
 
@@ -461,7 +461,7 @@ 
     return sprintf(
 
         // translators: $1: is the initial price, $2: is the recurring price, $3: is the susbcription period
-        _x( 'Initial payment of %1$s then %2$s / %3$s', 'Item subscription amount. (e.g.: Initial payment of $7 then $120 / year)', 'invoicing' ),
+        _x('Initial payment of %1$s then %2$s / %3$s', 'Item subscription amount. (e.g.: Initial payment of $7 then $120 / year)', 'invoicing'),
         "<span class='$initial_class'>$initial_price</span>",
         "<span class='$recurring_class'>$recurring_price</span>",
         $period

includes/class-getpaid-subscription-notification-emails.php

Indentation +239 added lines, -239 removed lines

@@ -13,282 +13,282 @@
 class GetPaid_Subscription_Notification_Emails {
 
     /**
-	 * The array of subscription email actions.
-	 *
-	 * @param array
-	 */
-	public $subscription_actions;
+     * The array of subscription email actions.
+     *
+     * @param array
+     */
+    public $subscription_actions;
 
     /**
-	 * Class constructor
+     * Class constructor
      *
-	 */
-	public function __construct() {
-
-		$this->subscription_actions = apply_filters(
-			'getpaid_notification_email_subscription_triggers',
-			array(
-				'getpaid_subscription_trialling' => 'subscription_trial',
-				'getpaid_subscription_cancelled' => 'subscription_cancelled',
-				'getpaid_subscription_expired'   => 'subscription_expired',
-				'getpaid_subscription_completed' => 'subscription_complete',
-				'getpaid_daily_maintenance'      => 'renewal_reminder',
-			)
-		);
-
-		$this->init_hooks();
+     */
+    public function __construct() {
+
+        $this->subscription_actions = apply_filters(
+            'getpaid_notification_email_subscription_triggers',
+            array(
+                'getpaid_subscription_trialling' => 'subscription_trial',
+                'getpaid_subscription_cancelled' => 'subscription_cancelled',
+                'getpaid_subscription_expired'   => 'subscription_expired',
+                'getpaid_subscription_completed' => 'subscription_complete',
+                'getpaid_daily_maintenance'      => 'renewal_reminder',
+            )
+        );
+
+        $this->init_hooks();
 
     }
 
     /**
-	 * Registers email hooks.
-	 */
-	public function init_hooks() {
-
-		add_filter( 'getpaid_get_email_merge_tags', array( $this, 'subscription_merge_tags' ), 10, 2 );
-		foreach ( $this->subscription_actions as $hook => $email_type ) {
-
-			$email = new GetPaid_Notification_Email( $email_type );
-
-			if ( ! $email->is_active() ) {
-				continue;
-			}
-
-			if ( method_exists( $this, $email_type ) ) {
-				add_action( $hook, array( $this, $email_type ), 100, 2 );
-				continue;
-			}
-
-			do_action( 'getpaid_subscription_notification_email_register_hook', $email_type, $hook );
-
-		}
-
-	}
-
-	/**
-	 * Filters subscription merge tags.
-	 *
-	 * @param array $merge_tags
-	 * @param mixed|WPInv_Invoice|WPInv_Subscription $object
-	 */
-	public function subscription_merge_tags( $merge_tags, $object ) {
-
-		if ( is_a( $object, 'WPInv_Subscription' ) ) {
-			$merge_tags = array_merge(
-				$merge_tags,
-				$this->get_subscription_merge_tags( $object )
-			);
-		}
-
-		return $merge_tags;
-
-	}
-
-	/**
-	 * Generates subscription merge tags.
-	 *
-	 * @param WPInv_Subscription $subscription
-	 * @return array
-	 */
-	public function get_subscription_merge_tags( $subscription ) {
-
-		// Abort if it does not exist.
-		if ( ! $subscription->get_id() ) {
-			return array();
-		}
-
-		$invoice    = $subscription->get_parent_invoice();
-		return array(
-			'{subscription_renewal_date}'     => getpaid_format_date_value( $subscription->get_next_renewal_date(), __( 'Never', 'invoicing' ) ),
-			'{subscription_created}'          => getpaid_format_date_value( $subscription->get_date_created() ),
-			'{subscription_status}'           => sanitize_text_field( $subscription->get_status_label() ),
-			'{subscription_profile_id}'       => sanitize_text_field( $subscription->get_profile_id() ),
-			'{subscription_id}'               => absint( $subscription->get_id() ),
-			'{subscription_recurring_amount}' => wpinv_price( $subscription->get_recurring_amount(), $invoice->get_currency() ),
-			'{subscription_initial_amount}'   => wpinv_price( $subscription->get_initial_amount(), $invoice->get_currency() ),
-			'{subscription_recurring_period}' => getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' ),
-			'{subscription_bill_times}'       => $subscription->get_bill_times(),
-			'{subscription_url}'              => esc_url( $subscription->get_view_url() ),
-		);
-
-	}
-
-	/**
-	 * Checks if we should send a notification for a subscription.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @return bool
-	 */
-	public function should_send_notification( $invoice ) {
-		return 0 != $invoice->get_id();
-	}
-
-	/**
-	 * Returns notification recipients.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @return array
-	 */
-	public function get_recipients( $invoice ) {
-		$recipients = array( $invoice->get_email() );
-
-		$cc = $invoice->get_email_cc();
-
-		if ( ! empty( $cc ) ) {
-			$cc = array_map( 'sanitize_email', wpinv_parse_list( $cc ) );
-			$recipients = array_filter( array_unique( array_merge( $recipients, $cc ) ) );
-		}
-
-		return $recipients;
-	}
-
-	/**
-	 * Helper function to send an email.
-	 *
-	 * @param WPInv_Subscription $subscription
-	 * @param GetPaid_Notification_Email $email
-	 * @param string $type
-	 * @param array $extra_args Extra template args.
-	 */
-	public function send_email( $subscription, $email, $type, $extra_args = array() ) {
-
-		// Abort in case the parent invoice does not exist.
-		$invoice = $subscription->get_parent_invoice();
-		if ( ! $this->should_send_notification( $invoice ) ) {
-			return;
-		}
-
-		do_action( 'getpaid_before_send_subscription_notification', $type, $subscription, $email );
-
-		$recipients  = $this->get_recipients( $invoice );
-		$mailer      = new GetPaid_Notification_Email_Sender();
-		$merge_tags  = $email->get_merge_tags();
-		$content     = $email->get_content( $merge_tags, $extra_args );
-		$subject     = $email->add_merge_tags( $email->get_subject(), $merge_tags );
-		$attachments = $email->get_attachments();
-
-		$result = $mailer->send(
-			apply_filters( 'getpaid_subscription_email_recipients', wpinv_parse_list( $recipients ), $email ),
-			$subject,
-			$content,
-			$attachments
-		);
-
-		// Maybe send a copy to the admin.
-		if ( $email->include_admin_bcc() ) {
-			$mailer->send(
-				wpinv_get_admin_email(),
-				$subject . __( ' - ADMIN BCC COPY', 'invoicing' ),
-				$content,
-				$attachments
-			);
-		}
-
-		if ( ! $result ) {
-			$subscription->get_parent_invoice()->add_note( sprintf( __( 'Failed sending %s notification email.', 'invoicing' ), sanitize_key( $type ) ), false, false, true );
-		}
-
-		do_action( 'getpaid_after_send_subscription_notification', $type, $subscription, $email );
-
-	}
+     * Registers email hooks.
+     */
+    public function init_hooks() {
+
+        add_filter( 'getpaid_get_email_merge_tags', array( $this, 'subscription_merge_tags' ), 10, 2 );
+        foreach ( $this->subscription_actions as $hook => $email_type ) {
+
+            $email = new GetPaid_Notification_Email( $email_type );
+
+            if ( ! $email->is_active() ) {
+                continue;
+            }
+
+            if ( method_exists( $this, $email_type ) ) {
+                add_action( $hook, array( $this, $email_type ), 100, 2 );
+                continue;
+            }
+
+            do_action( 'getpaid_subscription_notification_email_register_hook', $email_type, $hook );
+
+        }
+
+    }
 
     /**
-	 * Sends a new trial notification.
-	 *
-	 * @param WPInv_Subscription $subscription
-	 */
-	public function subscription_trial( $subscription ) {
+     * Filters subscription merge tags.
+     *
+     * @param array $merge_tags
+     * @param mixed|WPInv_Invoice|WPInv_Subscription $object
+     */
+    public function subscription_merge_tags( $merge_tags, $object ) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
-		$this->send_email( $subscription, $email, __FUNCTION__ );
+        if ( is_a( $object, 'WPInv_Subscription' ) ) {
+            $merge_tags = array_merge(
+                $merge_tags,
+                $this->get_subscription_merge_tags( $object )
+            );
+        }
 
-	}
+        return $merge_tags;
 
-	/**
-	 * Sends a cancelled subscription notification.
-	 *
-	 * @param WPInv_Subscription $subscription
-	 */
-	public function subscription_cancelled( $subscription ) {
+    }
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
-		$this->send_email( $subscription, $email, __FUNCTION__ );
+    /**
+     * Generates subscription merge tags.
+     *
+     * @param WPInv_Subscription $subscription
+     * @return array
+     */
+    public function get_subscription_merge_tags( $subscription ) {
+
+        // Abort if it does not exist.
+        if ( ! $subscription->get_id() ) {
+            return array();
+        }
+
+        $invoice    = $subscription->get_parent_invoice();
+        return array(
+            '{subscription_renewal_date}'     => getpaid_format_date_value( $subscription->get_next_renewal_date(), __( 'Never', 'invoicing' ) ),
+            '{subscription_created}'          => getpaid_format_date_value( $subscription->get_date_created() ),
+            '{subscription_status}'           => sanitize_text_field( $subscription->get_status_label() ),
+            '{subscription_profile_id}'       => sanitize_text_field( $subscription->get_profile_id() ),
+            '{subscription_id}'               => absint( $subscription->get_id() ),
+            '{subscription_recurring_amount}' => wpinv_price( $subscription->get_recurring_amount(), $invoice->get_currency() ),
+            '{subscription_initial_amount}'   => wpinv_price( $subscription->get_initial_amount(), $invoice->get_currency() ),
+            '{subscription_recurring_period}' => getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' ),
+            '{subscription_bill_times}'       => $subscription->get_bill_times(),
+            '{subscription_url}'              => esc_url( $subscription->get_view_url() ),
+        );
 
-	}
+    }
 
-	/**
-	 * Sends a subscription expired notification.
-	 *
-	 * @param WPInv_Subscription $subscription
-	 */
-	public function subscription_expired( $subscription ) {
+    /**
+     * Checks if we should send a notification for a subscription.
+     *
+     * @param WPInv_Invoice $invoice
+     * @return bool
+     */
+    public function should_send_notification( $invoice ) {
+        return 0 != $invoice->get_id();
+    }
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
-		$this->send_email( $subscription, $email, __FUNCTION__ );
+    /**
+     * Returns notification recipients.
+     *
+     * @param WPInv_Invoice $invoice
+     * @return array
+     */
+    public function get_recipients( $invoice ) {
+        $recipients = array( $invoice->get_email() );
 
-	}
+        $cc = $invoice->get_email_cc();
 
-	/**
-	 * Sends a completed subscription notification.
-	 *
-	 * @param WPInv_Subscription $subscription
-	 */
-	public function subscription_complete( $subscription ) {
+        if ( ! empty( $cc ) ) {
+            $cc = array_map( 'sanitize_email', wpinv_parse_list( $cc ) );
+            $recipients = array_filter( array_unique( array_merge( $recipients, $cc ) ) );
+        }
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
-		$this->send_email( $subscription, $email, __FUNCTION__ );
+        return $recipients;
+    }
 
-	}
+    /**
+     * Helper function to send an email.
+     *
+     * @param WPInv_Subscription $subscription
+     * @param GetPaid_Notification_Email $email
+     * @param string $type
+     * @param array $extra_args Extra template args.
+     */
+    public function send_email( $subscription, $email, $type, $extra_args = array() ) {
+
+        // Abort in case the parent invoice does not exist.
+        $invoice = $subscription->get_parent_invoice();
+        if ( ! $this->should_send_notification( $invoice ) ) {
+            return;
+        }
+
+        do_action( 'getpaid_before_send_subscription_notification', $type, $subscription, $email );
+
+        $recipients  = $this->get_recipients( $invoice );
+        $mailer      = new GetPaid_Notification_Email_Sender();
+        $merge_tags  = $email->get_merge_tags();
+        $content     = $email->get_content( $merge_tags, $extra_args );
+        $subject     = $email->add_merge_tags( $email->get_subject(), $merge_tags );
+        $attachments = $email->get_attachments();
+
+        $result = $mailer->send(
+            apply_filters( 'getpaid_subscription_email_recipients', wpinv_parse_list( $recipients ), $email ),
+            $subject,
+            $content,
+            $attachments
+        );
+
+        // Maybe send a copy to the admin.
+        if ( $email->include_admin_bcc() ) {
+            $mailer->send(
+                wpinv_get_admin_email(),
+                $subject . __( ' - ADMIN BCC COPY', 'invoicing' ),
+                $content,
+                $attachments
+            );
+        }
+
+        if ( ! $result ) {
+            $subscription->get_parent_invoice()->add_note( sprintf( __( 'Failed sending %s notification email.', 'invoicing' ), sanitize_key( $type ) ), false, false, true );
+        }
+
+        do_action( 'getpaid_after_send_subscription_notification', $type, $subscription, $email );
 
-	/**
-	 * Sends a subscription renewal reminder notification.
-	 *
-	 */
-	public function renewal_reminder() {
+    }
 
-		$email = new GetPaid_Notification_Email( __FUNCTION__ );
+    /**
+     * Sends a new trial notification.
+     *
+     * @param WPInv_Subscription $subscription
+     */
+    public function subscription_trial( $subscription ) {
 
-		// Fetch reminder days.
-		$reminder_days = array_unique( wp_parse_id_list( $email->get_option( 'days' ) ) );
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
+        $this->send_email( $subscription, $email, __FUNCTION__ );
 
-		// Abort if non is set.
-		if ( empty( $reminder_days ) ) {
-			return;
-		}
+    }
 
-		// Fetch matching subscriptions.
+    /**
+     * Sends a cancelled subscription notification.
+     *
+     * @param WPInv_Subscription $subscription
+     */
+    public function subscription_cancelled( $subscription ) {
+
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
+        $this->send_email( $subscription, $email, __FUNCTION__ );
+
+    }
+
+    /**
+     * Sends a subscription expired notification.
+     *
+     * @param WPInv_Subscription $subscription
+     */
+    public function subscription_expired( $subscription ) {
+
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
+        $this->send_email( $subscription, $email, __FUNCTION__ );
+
+    }
+
+    /**
+     * Sends a completed subscription notification.
+     *
+     * @param WPInv_Subscription $subscription
+     */
+    public function subscription_complete( $subscription ) {
+
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
+        $this->send_email( $subscription, $email, __FUNCTION__ );
+
+    }
+
+    /**
+     * Sends a subscription renewal reminder notification.
+     *
+     */
+    public function renewal_reminder() {
+
+        $email = new GetPaid_Notification_Email( __FUNCTION__ );
+
+        // Fetch reminder days.
+        $reminder_days = array_unique( wp_parse_id_list( $email->get_option( 'days' ) ) );
+
+        // Abort if non is set.
+        if ( empty( $reminder_days ) ) {
+            return;
+        }
+
+        // Fetch matching subscriptions.
         $args  = array(
             'number'             => -1,
-			'count_total'        => false,
-			'status'             => 'trialling active',
+            'count_total'        => false,
+            'status'             => 'trialling active',
             'date_expires_query' => array(
-				'relation'  => 'OR'
+                'relation'  => 'OR'
             ),
-		);
+        );
 
-		foreach ( $reminder_days as $days ) {
-			$date = date_parse( date( 'Y-m-d', strtotime( "+$days days", current_time( 'timestamp' ) ) ) );
+        foreach ( $reminder_days as $days ) {
+            $date = date_parse( date( 'Y-m-d', strtotime( "+$days days", current_time( 'timestamp' ) ) ) );
 
-			$args['date_expires_query'][] = array(
-				'year'  => $date['year'],
-				'month' => $date['month'],
-				'day'   => $date['day'],
-			);
+            $args['date_expires_query'][] = array(
+                'year'  => $date['year'],
+                'month' => $date['month'],
+                'day'   => $date['day'],
+            );
 
-		}
+        }
 
-		$subscriptions = new GetPaid_Subscriptions_Query( $args );
+        $subscriptions = new GetPaid_Subscriptions_Query( $args );
 
         foreach ( $subscriptions as $subscription ) {
 
-			// Skip packages.
-			if ( get_post_meta( $subscription->get_product_id(), '_wpinv_type', true ) != 'package' ) {
-				$email->object = $subscription;
-            	$this->send_email( $subscription, $email, __FUNCTION__ );
-			}
+            // Skip packages.
+            if ( get_post_meta( $subscription->get_product_id(), '_wpinv_type', true ) != 'package' ) {
+                $email->object = $subscription;
+                $this->send_email( $subscription, $email, __FUNCTION__ );
+            }
 
-		}
+        }
 
-	}
+    }
 
 }

Spacing +63 added lines, -63 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * This class handles subscription notificaiton emails.
@@ -45,21 +45,21 @@ 
 	 */
 	public function init_hooks() {
 
-		add_filter( 'getpaid_get_email_merge_tags', array( $this, 'subscription_merge_tags' ), 10, 2 );
-		foreach ( $this->subscription_actions as $hook => $email_type ) {
+		add_filter('getpaid_get_email_merge_tags', array($this, 'subscription_merge_tags'), 10, 2);
+		foreach ($this->subscription_actions as $hook => $email_type) {
 
-			$email = new GetPaid_Notification_Email( $email_type );
+			$email = new GetPaid_Notification_Email($email_type);
 
-			if ( ! $email->is_active() ) {
+			if (!$email->is_active()) {
 				continue;
 			}
 
-			if ( method_exists( $this, $email_type ) ) {
-				add_action( $hook, array( $this, $email_type ), 100, 2 );
+			if (method_exists($this, $email_type)) {
+				add_action($hook, array($this, $email_type), 100, 2);
 				continue;
 			}
 
-			do_action( 'getpaid_subscription_notification_email_register_hook', $email_type, $hook );
+			do_action('getpaid_subscription_notification_email_register_hook', $email_type, $hook);
 
 		}
 
@@ -71,12 +71,12 @@ 
 	 * @param array $merge_tags
 	 * @param mixed|WPInv_Invoice|WPInv_Subscription $object
 	 */
-	public function subscription_merge_tags( $merge_tags, $object ) {
+	public function subscription_merge_tags($merge_tags, $object) {
 
-		if ( is_a( $object, 'WPInv_Subscription' ) ) {
+		if (is_a($object, 'WPInv_Subscription')) {
 			$merge_tags = array_merge(
 				$merge_tags,
-				$this->get_subscription_merge_tags( $object )
+				$this->get_subscription_merge_tags($object)
 			);
 		}
 
@@ -90,25 +90,25 @@ 
 	 * @param WPInv_Subscription $subscription
 	 * @return array
 	 */
-	public function get_subscription_merge_tags( $subscription ) {
+	public function get_subscription_merge_tags($subscription) {
 
 		// Abort if it does not exist.
-		if ( ! $subscription->get_id() ) {
+		if (!$subscription->get_id()) {
 			return array();
 		}
 
-		$invoice    = $subscription->get_parent_invoice();
+		$invoice = $subscription->get_parent_invoice();
 		return array(
-			'{subscription_renewal_date}'     => getpaid_format_date_value( $subscription->get_next_renewal_date(), __( 'Never', 'invoicing' ) ),
-			'{subscription_created}'          => getpaid_format_date_value( $subscription->get_date_created() ),
-			'{subscription_status}'           => sanitize_text_field( $subscription->get_status_label() ),
-			'{subscription_profile_id}'       => sanitize_text_field( $subscription->get_profile_id() ),
-			'{subscription_id}'               => absint( $subscription->get_id() ),
-			'{subscription_recurring_amount}' => wpinv_price( $subscription->get_recurring_amount(), $invoice->get_currency() ),
-			'{subscription_initial_amount}'   => wpinv_price( $subscription->get_initial_amount(), $invoice->get_currency() ),
-			'{subscription_recurring_period}' => getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' ),
+			'{subscription_renewal_date}'     => getpaid_format_date_value($subscription->get_next_renewal_date(), __('Never', 'invoicing')),
+			'{subscription_created}'          => getpaid_format_date_value($subscription->get_date_created()),
+			'{subscription_status}'           => sanitize_text_field($subscription->get_status_label()),
+			'{subscription_profile_id}'       => sanitize_text_field($subscription->get_profile_id()),
+			'{subscription_id}'               => absint($subscription->get_id()),
+			'{subscription_recurring_amount}' => wpinv_price($subscription->get_recurring_amount(), $invoice->get_currency()),
+			'{subscription_initial_amount}'   => wpinv_price($subscription->get_initial_amount(), $invoice->get_currency()),
+			'{subscription_recurring_period}' => getpaid_get_subscription_period_label($subscription->get_period(), $subscription->get_frequency(), ''),
 			'{subscription_bill_times}'       => $subscription->get_bill_times(),
-			'{subscription_url}'              => esc_url( $subscription->get_view_url() ),
+			'{subscription_url}'              => esc_url($subscription->get_view_url()),
 		);
 
 	}
@@ -119,7 +119,7 @@ 
 	 * @param WPInv_Invoice $invoice
 	 * @return bool
 	 */
-	public function should_send_notification( $invoice ) {
+	public function should_send_notification($invoice) {
 		return 0 != $invoice->get_id();
 	}
 
@@ -129,14 +129,14 @@ 
 	 * @param WPInv_Invoice $invoice
 	 * @return array
 	 */
-	public function get_recipients( $invoice ) {
-		$recipients = array( $invoice->get_email() );
+	public function get_recipients($invoice) {
+		$recipients = array($invoice->get_email());
 
 		$cc = $invoice->get_email_cc();
 
-		if ( ! empty( $cc ) ) {
-			$cc = array_map( 'sanitize_email', wpinv_parse_list( $cc ) );
-			$recipients = array_filter( array_unique( array_merge( $recipients, $cc ) ) );
+		if (!empty($cc)) {
+			$cc = array_map('sanitize_email', wpinv_parse_list($cc));
+			$recipients = array_filter(array_unique(array_merge($recipients, $cc)));
 		}
 
 		return $recipients;
@@ -150,45 +150,45 @@ 
 	 * @param string $type
 	 * @param array $extra_args Extra template args.
 	 */
-	public function send_email( $subscription, $email, $type, $extra_args = array() ) {
+	public function send_email($subscription, $email, $type, $extra_args = array()) {
 
 		// Abort in case the parent invoice does not exist.
 		$invoice = $subscription->get_parent_invoice();
-		if ( ! $this->should_send_notification( $invoice ) ) {
+		if (!$this->should_send_notification($invoice)) {
 			return;
 		}
 
-		do_action( 'getpaid_before_send_subscription_notification', $type, $subscription, $email );
+		do_action('getpaid_before_send_subscription_notification', $type, $subscription, $email);
 
-		$recipients  = $this->get_recipients( $invoice );
+		$recipients  = $this->get_recipients($invoice);
 		$mailer      = new GetPaid_Notification_Email_Sender();
 		$merge_tags  = $email->get_merge_tags();
-		$content     = $email->get_content( $merge_tags, $extra_args );
-		$subject     = $email->add_merge_tags( $email->get_subject(), $merge_tags );
+		$content     = $email->get_content($merge_tags, $extra_args);
+		$subject     = $email->add_merge_tags($email->get_subject(), $merge_tags);
 		$attachments = $email->get_attachments();
 
 		$result = $mailer->send(
-			apply_filters( 'getpaid_subscription_email_recipients', wpinv_parse_list( $recipients ), $email ),
+			apply_filters('getpaid_subscription_email_recipients', wpinv_parse_list($recipients), $email),
 			$subject,
 			$content,
 			$attachments
 		);
 
 		// Maybe send a copy to the admin.
-		if ( $email->include_admin_bcc() ) {
+		if ($email->include_admin_bcc()) {
 			$mailer->send(
 				wpinv_get_admin_email(),
-				$subject . __( ' - ADMIN BCC COPY', 'invoicing' ),
+				$subject . __(' - ADMIN BCC COPY', 'invoicing'),
 				$content,
 				$attachments
 			);
 		}
 
-		if ( ! $result ) {
-			$subscription->get_parent_invoice()->add_note( sprintf( __( 'Failed sending %s notification email.', 'invoicing' ), sanitize_key( $type ) ), false, false, true );
+		if (!$result) {
+			$subscription->get_parent_invoice()->add_note(sprintf(__('Failed sending %s notification email.', 'invoicing'), sanitize_key($type)), false, false, true);
 		}
 
-		do_action( 'getpaid_after_send_subscription_notification', $type, $subscription, $email );
+		do_action('getpaid_after_send_subscription_notification', $type, $subscription, $email);
 
 	}
 
@@ -197,10 +197,10 @@ 
 	 *
 	 * @param WPInv_Subscription $subscription
 	 */
-	public function subscription_trial( $subscription ) {
+	public function subscription_trial($subscription) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
-		$this->send_email( $subscription, $email, __FUNCTION__ );
+		$email = new GetPaid_Notification_Email(__FUNCTION__, $subscription);
+		$this->send_email($subscription, $email, __FUNCTION__);
 
 	}
 
@@ -209,10 +209,10 @@ 
 	 *
 	 * @param WPInv_Subscription $subscription
 	 */
-	public function subscription_cancelled( $subscription ) {
+	public function subscription_cancelled($subscription) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
-		$this->send_email( $subscription, $email, __FUNCTION__ );
+		$email = new GetPaid_Notification_Email(__FUNCTION__, $subscription);
+		$this->send_email($subscription, $email, __FUNCTION__);
 
 	}
 
@@ -221,10 +221,10 @@ 
 	 *
 	 * @param WPInv_Subscription $subscription
 	 */
-	public function subscription_expired( $subscription ) {
+	public function subscription_expired($subscription) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
-		$this->send_email( $subscription, $email, __FUNCTION__ );
+		$email = new GetPaid_Notification_Email(__FUNCTION__, $subscription);
+		$this->send_email($subscription, $email, __FUNCTION__);
 
 	}
 
@@ -233,10 +233,10 @@ 
 	 *
 	 * @param WPInv_Subscription $subscription
 	 */
-	public function subscription_complete( $subscription ) {
+	public function subscription_complete($subscription) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $subscription );
-		$this->send_email( $subscription, $email, __FUNCTION__ );
+		$email = new GetPaid_Notification_Email(__FUNCTION__, $subscription);
+		$this->send_email($subscription, $email, __FUNCTION__);
 
 	}
 
@@ -246,18 +246,18 @@ 
 	 */
 	public function renewal_reminder() {
 
-		$email = new GetPaid_Notification_Email( __FUNCTION__ );
+		$email = new GetPaid_Notification_Email(__FUNCTION__);
 
 		// Fetch reminder days.
-		$reminder_days = array_unique( wp_parse_id_list( $email->get_option( 'days' ) ) );
+		$reminder_days = array_unique(wp_parse_id_list($email->get_option('days')));
 
 		// Abort if non is set.
-		if ( empty( $reminder_days ) ) {
+		if (empty($reminder_days)) {
 			return;
 		}
 
 		// Fetch matching subscriptions.
-        $args  = array(
+        $args = array(
             'number'             => -1,
 			'count_total'        => false,
 			'status'             => 'trialling active',
@@ -266,8 +266,8 @@ 
             ),
 		);
 
-		foreach ( $reminder_days as $days ) {
-			$date = date_parse( date( 'Y-m-d', strtotime( "+$days days", current_time( 'timestamp' ) ) ) );
+		foreach ($reminder_days as $days) {
+			$date = date_parse(date('Y-m-d', strtotime("+$days days", current_time('timestamp'))));
 
 			$args['date_expires_query'][] = array(
 				'year'  => $date['year'],
@@ -277,14 +277,14 @@ 
 
 		}
 
-		$subscriptions = new GetPaid_Subscriptions_Query( $args );
+		$subscriptions = new GetPaid_Subscriptions_Query($args);
 
-        foreach ( $subscriptions as $subscription ) {
+        foreach ($subscriptions as $subscription) {
 
 			// Skip packages.
-			if ( get_post_meta( $subscription->get_product_id(), '_wpinv_type', true ) != 'package' ) {
+			if (get_post_meta($subscription->get_product_id(), '_wpinv_type', true) != 'package') {
 				$email->object = $subscription;
-            	$this->send_email( $subscription, $email, __FUNCTION__ );
+            	$this->send_email($subscription, $email, __FUNCTION__);
 			}
 
 		}

includes/admin/subscriptions.php

Indentation +203 added lines, -203 removed lines

@@ -14,7 +14,7 @@ 
  */
 function wpinv_subscriptions_page() {
 
-	?>
+    ?>
 
 	<div class="wrap">
 		<h1><?php echo esc_html( get_admin_page_title() ); ?></h1>
@@ -22,27 +22,27 @@ 
 
 			<?php
 
-				// Verify user permissions.
-				if ( ! wpinv_current_user_can_manage_invoicing() ) {
+                // Verify user permissions.
+                if ( ! wpinv_current_user_can_manage_invoicing() ) {
 
-					echo aui()->alert(
-						array(
-							'type'    => 'danger',
-							'content' => __( 'You are not permitted to view this page.', 'invoicing' ),
-						)
-					);
+                    echo aui()->alert(
+                        array(
+                            'type'    => 'danger',
+                            'content' => __( 'You are not permitted to view this page.', 'invoicing' ),
+                        )
+                    );
 
-				} else if ( ! empty( $_GET['id'] ) && is_numeric( $_GET['id'] ) ) {
+                } else if ( ! empty( $_GET['id'] ) && is_numeric( $_GET['id'] ) ) {
 
-					// Display a single subscription.
-					wpinv_recurring_subscription_details();
-				} else {
+                    // Display a single subscription.
+                    wpinv_recurring_subscription_details();
+                } else {
 
-					// Display a list of available subscriptions.
-					getpaid_print_subscriptions_list();
-				}
+                    // Display a list of available subscriptions.
+                    getpaid_print_subscriptions_list();
+                }
 
-			?>
+            ?>
 
 		</div>
 	</div>
@@ -59,10 +59,10 @@ 
  */
 function getpaid_print_subscriptions_list() {
 
-	$subscribers_table = new WPInv_Subscriptions_List_Table();
-	$subscribers_table->prepare_items();
+    $subscribers_table = new WPInv_Subscriptions_List_Table();
+    $subscribers_table->prepare_items();
 
-	?>
+    ?>
 	<form id="subscribers-filter" class="bsui" method="get">
 		<input type="hidden" name="page" value="wpinv-subscriptions" />
 		<?php $subscribers_table->views(); ?>
@@ -80,27 +80,27 @@ 
  */
 function wpinv_recurring_subscription_details() {
 
-	// Fetch the subscription.
-	$sub = new WPInv_Subscription( (int) $_GET['id'] );
-	if ( ! $sub->get_id() ) {
+    // Fetch the subscription.
+    $sub = new WPInv_Subscription( (int) $_GET['id'] );
+    if ( ! $sub->get_id() ) {
 
-		echo aui()->alert(
-			array(
-				'type'    => 'danger',
-				'content' => __( 'Subscription not found.', 'invoicing' ),
-			)
-		);
+        echo aui()->alert(
+            array(
+                'type'    => 'danger',
+                'content' => __( 'Subscription not found.', 'invoicing' ),
+            )
+        );
 
-		return;
-	}
+        return;
+    }
 
-	// Use metaboxes to display the subscription details.
-	add_meta_box( 'getpaid_admin_subscription_details_metabox', __( 'Subscription Details', 'invoicing' ), 'getpaid_admin_subscription_details_metabox', get_current_screen(), 'normal' );
-	add_meta_box( 'getpaid_admin_subscription_update_metabox', __( 'Change Status', 'invoicing' ), 'getpaid_admin_subscription_update_metabox', get_current_screen(), 'side' );
-	add_meta_box( 'getpaid_admin_subscription_invoice_details_metabox', __( 'Invoices', 'invoicing' ), 'getpaid_admin_subscription_invoice_details_metabox', get_current_screen(), 'advanced' );
-	do_action( 'getpaid_admin_single_subscription_register_metabox', $sub );
+    // Use metaboxes to display the subscription details.
+    add_meta_box( 'getpaid_admin_subscription_details_metabox', __( 'Subscription Details', 'invoicing' ), 'getpaid_admin_subscription_details_metabox', get_current_screen(), 'normal' );
+    add_meta_box( 'getpaid_admin_subscription_update_metabox', __( 'Change Status', 'invoicing' ), 'getpaid_admin_subscription_update_metabox', get_current_screen(), 'side' );
+    add_meta_box( 'getpaid_admin_subscription_invoice_details_metabox', __( 'Invoices', 'invoicing' ), 'getpaid_admin_subscription_invoice_details_metabox', get_current_screen(), 'advanced' );
+    do_action( 'getpaid_admin_single_subscription_register_metabox', $sub );
 
-	?>
+    ?>
 
 		<form method="post" action="<?php echo admin_url( 'admin.php?page=wpinv-subscriptions&id=' . absint( $sub->get_id() ) ); ?>">
 
@@ -140,41 +140,41 @@ 
  */
 function getpaid_admin_subscription_details_metabox( $sub ) {
 
-	// Prepare subscription detail columns.
-	$fields = apply_filters(
-		'getpaid_subscription_admin_page_fields',
-		array(
-			'subscription'   => __( 'Subscription', 'invoicing' ),
-			'customer'       => __( 'Customer', 'invoicing' ),
-			'amount'         => __( 'Amount', 'invoicing' ),
-			'start_date'     => __( 'Start Date', 'invoicing' ),
-			'renews_on'      => __( 'Next Payment', 'invoicing' ),
-			'renewals'       => __( 'Payments', 'invoicing' ),
-			'item'           => __( 'Item', 'invoicing' ),
-			'gateway'        => __( 'Payment Method', 'invoicing' ),
-			'profile_id'     => __( 'Profile ID', 'invoicing' ),
-			'status'         => __( 'Status', 'invoicing' ),
-		)
-	);
-
-	if ( ! $sub->is_active() ) {
-
-		if ( isset( $fields['renews_on'] ) ) {
-			unset( $fields['renews_on'] );
-		}
-
-		if ( isset( $fields['gateway'] ) ) {
-			unset( $fields['gateway'] );
-		}
+    // Prepare subscription detail columns.
+    $fields = apply_filters(
+        'getpaid_subscription_admin_page_fields',
+        array(
+            'subscription'   => __( 'Subscription', 'invoicing' ),
+            'customer'       => __( 'Customer', 'invoicing' ),
+            'amount'         => __( 'Amount', 'invoicing' ),
+            'start_date'     => __( 'Start Date', 'invoicing' ),
+            'renews_on'      => __( 'Next Payment', 'invoicing' ),
+            'renewals'       => __( 'Payments', 'invoicing' ),
+            'item'           => __( 'Item', 'invoicing' ),
+            'gateway'        => __( 'Payment Method', 'invoicing' ),
+            'profile_id'     => __( 'Profile ID', 'invoicing' ),
+            'status'         => __( 'Status', 'invoicing' ),
+        )
+    );
+
+    if ( ! $sub->is_active() ) {
+
+        if ( isset( $fields['renews_on'] ) ) {
+            unset( $fields['renews_on'] );
+        }
+
+        if ( isset( $fields['gateway'] ) ) {
+            unset( $fields['gateway'] );
+        }
 		
-	}
+    }
 
-	$profile_id = $sub->get_profile_id();
-	if ( empty( $profile_id ) && isset( $fields['profile_id'] ) ) {
-		unset( $fields['profile_id'] );
-	}
+    $profile_id = $sub->get_profile_id();
+    if ( empty( $profile_id ) && isset( $fields['profile_id'] ) ) {
+        unset( $fields['profile_id'] );
+    }
 
-	?>
+    ?>
 
 		<table class="table table-borderless" style="font-size: 14px;">
 			<tbody>
@@ -208,20 +208,20 @@ 
  */
 function getpaid_admin_subscription_metabox_display_customer( $subscription ) {
 
-	$username = __( '(Missing User)', 'invoicing' );
+    $username = __( '(Missing User)', 'invoicing' );
 
-	$user = get_userdata( $subscription->get_customer_id() );
-	if ( $user ) {
+    $user = get_userdata( $subscription->get_customer_id() );
+    if ( $user ) {
 
-		$username = sprintf(
-			'<a href="user-edit.php?user_id=%s">%s</a>',
-			absint( $user->ID ),
-			! empty( $user->display_name ) ? sanitize_text_field( $user->display_name ) : sanitize_email( $user->user_email )
-		);
+        $username = sprintf(
+            '<a href="user-edit.php?user_id=%s">%s</a>',
+            absint( $user->ID ),
+            ! empty( $user->display_name ) ? sanitize_text_field( $user->display_name ) : sanitize_email( $user->user_email )
+        );
 
-	}
+    }
 
-	echo  $username;
+    echo  $username;
 }
 add_action( 'getpaid_subscription_admin_display_customer', 'getpaid_admin_subscription_metabox_display_customer' );
 
@@ -231,8 +231,8 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_amount( $subscription ) {
-	$amount    = sanitize_text_field( getpaid_get_formatted_subscription_amount( $subscription ) );
-	echo "<span>$amount</span>";
+    $amount    = sanitize_text_field( getpaid_get_formatted_subscription_amount( $subscription ) );
+    echo "<span>$amount</span>";
 }
 add_action( 'getpaid_subscription_admin_display_amount', 'getpaid_admin_subscription_metabox_display_amount' );
 
@@ -242,7 +242,7 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_id( $subscription ) {
-	echo  '#' . absint( $subscription->get_id() );
+    echo  '#' . absint( $subscription->get_id() );
 }
 add_action( 'getpaid_subscription_admin_display_subscription', 'getpaid_admin_subscription_metabox_display_id' );
 
@@ -252,7 +252,7 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_start_date( $subscription ) {
-	echo getpaid_format_date_value( $subscription->get_date_created() );
+    echo getpaid_format_date_value( $subscription->get_date_created() );
 }
 add_action( 'getpaid_subscription_admin_display_start_date', 'getpaid_admin_subscription_metabox_display_start_date' );
 
@@ -262,7 +262,7 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_renews_on( $subscription ) {
-	echo getpaid_format_date_value( $subscription->get_expiration() );
+    echo getpaid_format_date_value( $subscription->get_expiration() );
 }
 add_action( 'getpaid_subscription_admin_display_renews_on', 'getpaid_admin_subscription_metabox_display_renews_on' );
 
@@ -272,8 +272,8 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_renewals( $subscription ) {
-	$max_bills = $subscription->get_bill_times();
-	echo $subscription->get_times_billed() . ' / ' . ( empty( $max_bills ) ? "&infin;" : $max_bills );
+    $max_bills = $subscription->get_bill_times();
+    echo $subscription->get_times_billed() . ' / ' . ( empty( $max_bills ) ? "&infin;" : $max_bills );
 }
 add_action( 'getpaid_subscription_admin_display_renewals', 'getpaid_admin_subscription_metabox_display_renewals' );
 /**
@@ -283,16 +283,16 @@ 
  */
 function getpaid_admin_subscription_metabox_display_item( $subscription ) {
 
-	$item = get_post( $subscription->get_product_id() );
+    $item = get_post( $subscription->get_product_id() );
 
-	if ( ! empty( $item ) ) {
-		$link = get_edit_post_link( $item );
-		$link = esc_url( $link );
-		$name = esc_html( get_the_title( $item ) );
-		echo "<a href='$link'>$name</a>";
-	} else {
-		echo sprintf( __( 'Item #%s', 'invoicing' ), $subscription->get_product_id() );
-	}
+    if ( ! empty( $item ) ) {
+        $link = get_edit_post_link( $item );
+        $link = esc_url( $link );
+        $name = esc_html( get_the_title( $item ) );
+        echo "<a href='$link'>$name</a>";
+    } else {
+        echo sprintf( __( 'Item #%s', 'invoicing' ), $subscription->get_product_id() );
+    }
 
 }
 add_action( 'getpaid_subscription_admin_display_item', 'getpaid_admin_subscription_metabox_display_item' );
@@ -304,13 +304,13 @@ 
  */
 function getpaid_admin_subscription_metabox_display_gateway( $subscription ) {
 
-	$gateway = $subscription->get_gateway();
+    $gateway = $subscription->get_gateway();
 
-	if ( ! empty( $gateway ) ) {
-		echo sanitize_text_field( wpinv_get_gateway_admin_label( $gateway ) );
-	} else {
-		echo "&mdash;";
-	}
+    if ( ! empty( $gateway ) ) {
+        echo sanitize_text_field( wpinv_get_gateway_admin_label( $gateway ) );
+    } else {
+        echo "&mdash;";
+    }
 
 }
 add_action( 'getpaid_subscription_admin_display_gateway', 'getpaid_admin_subscription_metabox_display_gateway' );
@@ -321,7 +321,7 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_status( $subscription ) {
-	echo $subscription->get_status_label_html();
+    echo $subscription->get_status_label_html();
 }
 add_action( 'getpaid_subscription_admin_display_status', 'getpaid_admin_subscription_metabox_display_status' );
 
@@ -332,14 +332,14 @@ 
  */
 function getpaid_admin_subscription_metabox_display_profile_id( $subscription ) {
 
-	$profile_id = $subscription->get_profile_id();
+    $profile_id = $subscription->get_profile_id();
 
-	if ( ! empty( $profile_id ) ) {
-		$profile_id = sanitize_text_field( $profile_id );
-		echo apply_filters( 'getpaid_subscription_profile_id_display', $profile_id, $subscription );
-	} else {
-		echo "&mdash;";
-	}
+    if ( ! empty( $profile_id ) ) {
+        $profile_id = sanitize_text_field( $profile_id );
+        echo apply_filters( 'getpaid_subscription_profile_id_display', $profile_id, $subscription );
+    } else {
+        echo "&mdash;";
+    }
 
 }
 add_action( 'getpaid_subscription_admin_display_profile_id', 'getpaid_admin_subscription_metabox_display_profile_id' );
@@ -351,39 +351,39 @@ 
  */
 function getpaid_admin_subscription_update_metabox( $subscription ) {
 
-	?>
+    ?>
 	<div class="mt-3">
 
 		<?php
-			echo aui()->select(
-				array(
-					'options'          => getpaid_get_subscription_statuses(),
-					'name'             => 'subscription_status',
-					'id'               => 'subscription_status_update_select',
-					'required'         => true,
-					'no_wrap'          => false,
-					'label'            => __( 'Subscription Status', 'invoicing' ),
-					'help_text'        => __( 'Updating the status will trigger related actions and hooks', 'invoicing' ),
-					'select2'          => true,
-					'value'            => $subscription->get_status( 'edit' ),
-				)
-			);
-		?>
+            echo aui()->select(
+                array(
+                    'options'          => getpaid_get_subscription_statuses(),
+                    'name'             => 'subscription_status',
+                    'id'               => 'subscription_status_update_select',
+                    'required'         => true,
+                    'no_wrap'          => false,
+                    'label'            => __( 'Subscription Status', 'invoicing' ),
+                    'help_text'        => __( 'Updating the status will trigger related actions and hooks', 'invoicing' ),
+                    'select2'          => true,
+                    'value'            => $subscription->get_status( 'edit' ),
+                )
+            );
+        ?>
 
 		<div class="mt-2 px-3 py-2 bg-light border-top" style="margin: -12px;">
 	
 		<?php
-			submit_button( __( 'Update', 'invoicing' ), 'primary', 'submit', false );
+            submit_button( __( 'Update', 'invoicing' ), 'primary', 'submit', false );
 
-			$url    = esc_url( wp_nonce_url( add_query_arg( 'getpaid-admin-action', 'subscription_manual_renew' ), 'getpaid-nonce', 'getpaid-nonce' ) );
-			$anchor = __( 'Renew Subscription', 'invoicing' );
-			$title  = esc_attr__( 'Are you sure you want to extend the subscription and generate a new invoice that will be automatically marked as paid?', 'invoicing' );
+            $url    = esc_url( wp_nonce_url( add_query_arg( 'getpaid-admin-action', 'subscription_manual_renew' ), 'getpaid-nonce', 'getpaid-nonce' ) );
+            $anchor = __( 'Renew Subscription', 'invoicing' );
+            $title  = esc_attr__( 'Are you sure you want to extend the subscription and generate a new invoice that will be automatically marked as paid?', 'invoicing' );
 
-			if ( $subscription->is_active() ) {
-				echo "<a href='$url' class='float-right text-muted' onclick='return confirm(\"$title\")'>$anchor</a>";
-			}
+            if ( $subscription->is_active() ) {
+                echo "<a href='$url' class='float-right text-muted' onclick='return confirm(\"$title\")'>$anchor</a>";
+            }
 
-	echo '</div></div>';
+    echo '</div></div>';
 }
 
 /**
@@ -393,33 +393,33 @@ 
  */
 function getpaid_admin_subscription_invoice_details_metabox( $subscription ) {
 
-	$columns = apply_filters(
-		'getpaid_subscription_related_invoices_columns',
-		array(
-			'invoice'      => __( 'Invoice', 'invoicing' ),
-			'relationship' => __( 'Relationship', 'invoicing' ),
-			'date'         => __( 'Date', 'invoicing' ),
-			'status'       => __( 'Status', 'invoicing' ),
-			'total'        => __( 'Total', 'invoicing' ),
-		),
-		$subscription
-	);
-
-	// Prepare the invoices.
-	$payments = $subscription->get_child_payments( ! is_admin() );
-	$parent   = $subscription->get_parent_invoice();
-
-	if ( $parent->get_id() ) {
-		$payments = array_merge( array( $parent ), $payments );
-	}
+    $columns = apply_filters(
+        'getpaid_subscription_related_invoices_columns',
+        array(
+            'invoice'      => __( 'Invoice', 'invoicing' ),
+            'relationship' => __( 'Relationship', 'invoicing' ),
+            'date'         => __( 'Date', 'invoicing' ),
+            'status'       => __( 'Status', 'invoicing' ),
+            'total'        => __( 'Total', 'invoicing' ),
+        ),
+        $subscription
+    );
+
+    // Prepare the invoices.
+    $payments = $subscription->get_child_payments( ! is_admin() );
+    $parent   = $subscription->get_parent_invoice();
+
+    if ( $parent->get_id() ) {
+        $payments = array_merge( array( $parent ), $payments );
+    }
 	
-	$table_class = 'w-100 bg-white';
+    $table_class = 'w-100 bg-white';
 
-	if ( ! is_admin() ) {
-		$table_class = 'table table-bordered table-striped';
-	}
+    if ( ! is_admin() ) {
+        $table_class = 'table table-bordered table-striped';
+    }
 
-	?>
+    ?>
 		<div class="m-0" style="overflow: auto;">
 
 			<table class="<?php echo $table_class; ?>">
@@ -427,13 +427,13 @@ 
 				<thead>
 					<tr>
 						<?php
-							foreach ( $columns as $key => $label ) {
-								$key   = esc_attr( $key );
-								$label = sanitize_text_field( $label );
+                            foreach ( $columns as $key => $label ) {
+                                $key   = esc_attr( $key );
+                                $label = sanitize_text_field( $label );
 
-								echo "<th class='subscription-invoice-field-$key bg-light p-2 text-left color-dark font-weight-bold'>$label</th>";
-							}
-						?>
+                                echo "<th class='subscription-invoice-field-$key bg-light p-2 text-left color-dark font-weight-bold'>$label</th>";
+                            }
+                        ?>
 					</tr>
 				</thead>
 
@@ -449,66 +449,66 @@ 
 
 					<?php
 
-						foreach( $payments as $payment ) :
+                        foreach( $payments as $payment ) :
 
-							// Ensure that we have an invoice.
-							$payment = new WPInv_Invoice( $payment );
+                            // Ensure that we have an invoice.
+                            $payment = new WPInv_Invoice( $payment );
 
-							// Abort if the invoice is invalid.
-							if ( ! $payment->get_id() ) {
-								continue;
-							}
+                            // Abort if the invoice is invalid.
+                            if ( ! $payment->get_id() ) {
+                                continue;
+                            }
 
-							echo '<tr>';
+                            echo '<tr>';
 
-								foreach ( array_keys( $columns ) as $key ) {
+                                foreach ( array_keys( $columns ) as $key ) {
 
-									echo '<td class="p-2 text-left">';
+                                    echo '<td class="p-2 text-left">';
 
-										switch( $key ) {
+                                        switch( $key ) {
 
-											case 'total':
-												echo '<strong>' . wpinv_price( $payment->get_total(), $payment->get_currency() ) . '</strong>';
-												break;
+                                            case 'total':
+                                                echo '<strong>' . wpinv_price( $payment->get_total(), $payment->get_currency() ) . '</strong>';
+                                                break;
 
-											case 'relationship':
-												echo $payment->is_renewal() ? __( 'Renewal Invoice', 'invoicing' ) : __( 'Initial Invoice', 'invoicing' );
-												break;
+                                            case 'relationship':
+                                                echo $payment->is_renewal() ? __( 'Renewal Invoice', 'invoicing' ) : __( 'Initial Invoice', 'invoicing' );
+                                                break;
 
-											case 'date':
-												echo getpaid_format_date_value( $payment->get_date_created() );
-												break;
+                                            case 'date':
+                                                echo getpaid_format_date_value( $payment->get_date_created() );
+                                                break;
 
-											case 'status':
+                                            case 'status':
 
-												$status = $payment->get_status_nicename();
-												if ( is_admin() ) {
-													$status = $payment->get_status_label_html();
-												}
+                                                $status = $payment->get_status_nicename();
+                                                if ( is_admin() ) {
+                                                    $status = $payment->get_status_label_html();
+                                                }
 
-												echo $status;
-												break;
+                                                echo $status;
+                                                break;
 
-											case 'invoice':
-												$link    = esc_url( get_edit_post_link( $payment->get_id() ) );
+                                            case 'invoice':
+                                                $link    = esc_url( get_edit_post_link( $payment->get_id() ) );
 
-												if ( ! is_admin() ) {
-													$link = esc_url( $payment->get_view_url() );
-												}
+                                                if ( ! is_admin() ) {
+                                                    $link = esc_url( $payment->get_view_url() );
+                                                }
 
-												$invoice = sanitize_text_field( $payment->get_number() );
-												echo "<a href='$link'>$invoice</a>";
-												break;
-										}
+                                                $invoice = sanitize_text_field( $payment->get_number() );
+                                                echo "<a href='$link'>$invoice</a>";
+                                                break;
+                                        }
 
-									echo '</td>';
+                                    echo '</td>';
 
-								}
+                                }
 
-							echo '</tr>';
+                            echo '</tr>';
 
-						endforeach;
-					?>
+                        endforeach;
+                    ?>
 
 				</tbody>
 

Spacing +120 added lines, -120 removed lines

@@ -3,7 +3,7 @@ 
  * Contains functions that display the subscriptions admin page.
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Render the Subscriptions page
@@ -17,22 +17,22 @@ 
 	?>
 
 	<div class="wrap">
-		<h1><?php echo esc_html( get_admin_page_title() ); ?></h1>
+		<h1><?php echo esc_html(get_admin_page_title()); ?></h1>
 		<div class="bsui">
 
 			<?php
 
 				// Verify user permissions.
-				if ( ! wpinv_current_user_can_manage_invoicing() ) {
+				if (!wpinv_current_user_can_manage_invoicing()) {
 
 					echo aui()->alert(
 						array(
 							'type'    => 'danger',
-							'content' => __( 'You are not permitted to view this page.', 'invoicing' ),
+							'content' => __('You are not permitted to view this page.', 'invoicing'),
 						)
 					);
 
-				} else if ( ! empty( $_GET['id'] ) && is_numeric( $_GET['id'] ) ) {
+				} else if (!empty($_GET['id']) && is_numeric($_GET['id'])) {
 
 					// Display a single subscription.
 					wpinv_recurring_subscription_details();
@@ -81,13 +81,13 @@ 
 function wpinv_recurring_subscription_details() {
 
 	// Fetch the subscription.
-	$sub = new WPInv_Subscription( (int) $_GET['id'] );
-	if ( ! $sub->get_id() ) {
+	$sub = new WPInv_Subscription((int) $_GET['id']);
+	if (!$sub->get_id()) {
 
 		echo aui()->alert(
 			array(
 				'type'    => 'danger',
-				'content' => __( 'Subscription not found.', 'invoicing' ),
+				'content' => __('Subscription not found.', 'invoicing'),
 			)
 		);
 
@@ -95,31 +95,31 @@ 
 	}
 
 	// Use metaboxes to display the subscription details.
-	add_meta_box( 'getpaid_admin_subscription_details_metabox', __( 'Subscription Details', 'invoicing' ), 'getpaid_admin_subscription_details_metabox', get_current_screen(), 'normal' );
-	add_meta_box( 'getpaid_admin_subscription_update_metabox', __( 'Change Status', 'invoicing' ), 'getpaid_admin_subscription_update_metabox', get_current_screen(), 'side' );
-	add_meta_box( 'getpaid_admin_subscription_invoice_details_metabox', __( 'Invoices', 'invoicing' ), 'getpaid_admin_subscription_invoice_details_metabox', get_current_screen(), 'advanced' );
-	do_action( 'getpaid_admin_single_subscription_register_metabox', $sub );
+	add_meta_box('getpaid_admin_subscription_details_metabox', __('Subscription Details', 'invoicing'), 'getpaid_admin_subscription_details_metabox', get_current_screen(), 'normal');
+	add_meta_box('getpaid_admin_subscription_update_metabox', __('Change Status', 'invoicing'), 'getpaid_admin_subscription_update_metabox', get_current_screen(), 'side');
+	add_meta_box('getpaid_admin_subscription_invoice_details_metabox', __('Invoices', 'invoicing'), 'getpaid_admin_subscription_invoice_details_metabox', get_current_screen(), 'advanced');
+	do_action('getpaid_admin_single_subscription_register_metabox', $sub);
 
 	?>
 
-		<form method="post" action="<?php echo admin_url( 'admin.php?page=wpinv-subscriptions&id=' . absint( $sub->get_id() ) ); ?>">
+		<form method="post" action="<?php echo admin_url('admin.php?page=wpinv-subscriptions&id=' . absint($sub->get_id())); ?>">
 
-			<?php wp_nonce_field( 'getpaid-nonce', 'getpaid-nonce' ); ?>
-			<?php wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); ?>
-			<?php wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); ?>
+			<?php wp_nonce_field('getpaid-nonce', 'getpaid-nonce'); ?>
+			<?php wp_nonce_field('meta-box-order', 'meta-box-order-nonce', false); ?>
+			<?php wp_nonce_field('closedpostboxes', 'closedpostboxesnonce', false); ?>
 			<input type="hidden" name="getpaid-admin-action" value="update_single_subscription" />
-			<input type="hidden" name="subscription_id" value="<?php echo (int) $sub->get_id() ;?>" />
+			<input type="hidden" name="subscription_id" value="<?php echo (int) $sub->get_id(); ?>" />
 
 			<div id="poststuff">
 				<div id="post-body" class="metabox-holder columns-<?php echo 1 == get_current_screen()->get_columns() ? '1' : '2'; ?>">
 
 					<div id="postbox-container-1" class="postbox-container">
-						<?php do_meta_boxes( get_current_screen(), 'side', $sub ); ?>
+						<?php do_meta_boxes(get_current_screen(), 'side', $sub); ?>
 					</div>
 
 					<div id="postbox-container-2" class="postbox-container">
-						<?php do_meta_boxes( get_current_screen(), 'normal', $sub ); ?>
-						<?php do_meta_boxes( get_current_screen(), 'advanced', $sub ); ?>
+						<?php do_meta_boxes(get_current_screen(), 'normal', $sub); ?>
+						<?php do_meta_boxes(get_current_screen(), 'advanced', $sub); ?>
 					</div>
 
 				</div>
@@ -138,40 +138,40 @@ 
  *
  * @param WPInv_Subscription $sub
  */
-function getpaid_admin_subscription_details_metabox( $sub ) {
+function getpaid_admin_subscription_details_metabox($sub) {
 
 	// Prepare subscription detail columns.
 	$fields = apply_filters(
 		'getpaid_subscription_admin_page_fields',
 		array(
-			'subscription'   => __( 'Subscription', 'invoicing' ),
-			'customer'       => __( 'Customer', 'invoicing' ),
-			'amount'         => __( 'Amount', 'invoicing' ),
-			'start_date'     => __( 'Start Date', 'invoicing' ),
-			'renews_on'      => __( 'Next Payment', 'invoicing' ),
-			'renewals'       => __( 'Payments', 'invoicing' ),
-			'item'           => __( 'Item', 'invoicing' ),
-			'gateway'        => __( 'Payment Method', 'invoicing' ),
-			'profile_id'     => __( 'Profile ID', 'invoicing' ),
-			'status'         => __( 'Status', 'invoicing' ),
+			'subscription'   => __('Subscription', 'invoicing'),
+			'customer'       => __('Customer', 'invoicing'),
+			'amount'         => __('Amount', 'invoicing'),
+			'start_date'     => __('Start Date', 'invoicing'),
+			'renews_on'      => __('Next Payment', 'invoicing'),
+			'renewals'       => __('Payments', 'invoicing'),
+			'item'           => __('Item', 'invoicing'),
+			'gateway'        => __('Payment Method', 'invoicing'),
+			'profile_id'     => __('Profile ID', 'invoicing'),
+			'status'         => __('Status', 'invoicing'),
 		)
 	);
 
-	if ( ! $sub->is_active() ) {
+	if (!$sub->is_active()) {
 
-		if ( isset( $fields['renews_on'] ) ) {
-			unset( $fields['renews_on'] );
+		if (isset($fields['renews_on'])) {
+			unset($fields['renews_on']);
 		}
 
-		if ( isset( $fields['gateway'] ) ) {
-			unset( $fields['gateway'] );
+		if (isset($fields['gateway'])) {
+			unset($fields['gateway']);
 		}
 		
 	}
 
 	$profile_id = $sub->get_profile_id();
-	if ( empty( $profile_id ) && isset( $fields['profile_id'] ) ) {
-		unset( $fields['profile_id'] );
+	if (empty($profile_id) && isset($fields['profile_id'])) {
+		unset($fields['profile_id']);
 	}
 
 	?>
@@ -179,16 +179,16 @@ 
 		<table class="table table-borderless" style="font-size: 14px;">
 			<tbody>
 
-				<?php foreach ( $fields as $key => $label ) : ?>
+				<?php foreach ($fields as $key => $label) : ?>
 
-					<tr class="getpaid-subscription-meta-<?php echo sanitize_html_class( $key ); ?>">
+					<tr class="getpaid-subscription-meta-<?php echo sanitize_html_class($key); ?>">
 
 						<th class="w-25" style="font-weight: 500;">
-							<?php echo sanitize_text_field( $label ); ?>
+							<?php echo sanitize_text_field($label); ?>
 						</th>
 
 						<td class="w-75 text-muted">
-							<?php do_action( 'getpaid_subscription_admin_display_' . sanitize_text_field( $key ), $sub ); ?>
+							<?php do_action('getpaid_subscription_admin_display_' . sanitize_text_field($key), $sub); ?>
 						</td>
 
 					</tr>
@@ -206,150 +206,150 @@ 
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_customer( $subscription ) {
+function getpaid_admin_subscription_metabox_display_customer($subscription) {
 
-	$username = __( '(Missing User)', 'invoicing' );
+	$username = __('(Missing User)', 'invoicing');
 
-	$user = get_userdata( $subscription->get_customer_id() );
-	if ( $user ) {
+	$user = get_userdata($subscription->get_customer_id());
+	if ($user) {
 
 		$username = sprintf(
 			'<a href="user-edit.php?user_id=%s">%s</a>',
-			absint( $user->ID ),
-			! empty( $user->display_name ) ? sanitize_text_field( $user->display_name ) : sanitize_email( $user->user_email )
+			absint($user->ID),
+			!empty($user->display_name) ? sanitize_text_field($user->display_name) : sanitize_email($user->user_email)
 		);
 
 	}
 
 	echo  $username;
 }
-add_action( 'getpaid_subscription_admin_display_customer', 'getpaid_admin_subscription_metabox_display_customer' );
+add_action('getpaid_subscription_admin_display_customer', 'getpaid_admin_subscription_metabox_display_customer');
 
 /**
  * Displays the subscription amount.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_amount( $subscription ) {
-	$amount    = sanitize_text_field( getpaid_get_formatted_subscription_amount( $subscription ) );
+function getpaid_admin_subscription_metabox_display_amount($subscription) {
+	$amount = sanitize_text_field(getpaid_get_formatted_subscription_amount($subscription));
 	echo "<span>$amount</span>";
 }
-add_action( 'getpaid_subscription_admin_display_amount', 'getpaid_admin_subscription_metabox_display_amount' );
+add_action('getpaid_subscription_admin_display_amount', 'getpaid_admin_subscription_metabox_display_amount');
 
 /**
  * Displays the subscription id.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_id( $subscription ) {
-	echo  '#' . absint( $subscription->get_id() );
+function getpaid_admin_subscription_metabox_display_id($subscription) {
+	echo  '#' . absint($subscription->get_id());
 }
-add_action( 'getpaid_subscription_admin_display_subscription', 'getpaid_admin_subscription_metabox_display_id' );
+add_action('getpaid_subscription_admin_display_subscription', 'getpaid_admin_subscription_metabox_display_id');
 
 /**
  * Displays the subscription renewal date.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_start_date( $subscription ) {
-	echo getpaid_format_date_value( $subscription->get_date_created() );
+function getpaid_admin_subscription_metabox_display_start_date($subscription) {
+	echo getpaid_format_date_value($subscription->get_date_created());
 }
-add_action( 'getpaid_subscription_admin_display_start_date', 'getpaid_admin_subscription_metabox_display_start_date' );
+add_action('getpaid_subscription_admin_display_start_date', 'getpaid_admin_subscription_metabox_display_start_date');
 
 /**
  * Displays the subscription renewal date.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_renews_on( $subscription ) {
-	echo getpaid_format_date_value( $subscription->get_expiration() );
+function getpaid_admin_subscription_metabox_display_renews_on($subscription) {
+	echo getpaid_format_date_value($subscription->get_expiration());
 }
-add_action( 'getpaid_subscription_admin_display_renews_on', 'getpaid_admin_subscription_metabox_display_renews_on' );
+add_action('getpaid_subscription_admin_display_renews_on', 'getpaid_admin_subscription_metabox_display_renews_on');
 
 /**
  * Displays the subscription renewal count.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_renewals( $subscription ) {
+function getpaid_admin_subscription_metabox_display_renewals($subscription) {
 	$max_bills = $subscription->get_bill_times();
-	echo $subscription->get_times_billed() . ' / ' . ( empty( $max_bills ) ? "&infin;" : $max_bills );
+	echo $subscription->get_times_billed() . ' / ' . (empty($max_bills) ? "&infin;" : $max_bills);
 }
-add_action( 'getpaid_subscription_admin_display_renewals', 'getpaid_admin_subscription_metabox_display_renewals' );
+add_action('getpaid_subscription_admin_display_renewals', 'getpaid_admin_subscription_metabox_display_renewals');
 /**
  * Displays the subscription item.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_item( $subscription ) {
+function getpaid_admin_subscription_metabox_display_item($subscription) {
 
-	$item = get_post( $subscription->get_product_id() );
+	$item = get_post($subscription->get_product_id());
 
-	if ( ! empty( $item ) ) {
-		$link = get_edit_post_link( $item );
-		$link = esc_url( $link );
-		$name = esc_html( get_the_title( $item ) );
+	if (!empty($item)) {
+		$link = get_edit_post_link($item);
+		$link = esc_url($link);
+		$name = esc_html(get_the_title($item));
 		echo "<a href='$link'>$name</a>";
 	} else {
-		echo sprintf( __( 'Item #%s', 'invoicing' ), $subscription->get_product_id() );
+		echo sprintf(__('Item #%s', 'invoicing'), $subscription->get_product_id());
 	}
 
 }
-add_action( 'getpaid_subscription_admin_display_item', 'getpaid_admin_subscription_metabox_display_item' );
+add_action('getpaid_subscription_admin_display_item', 'getpaid_admin_subscription_metabox_display_item');
 
 /**
  * Displays the subscription gateway.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_gateway( $subscription ) {
+function getpaid_admin_subscription_metabox_display_gateway($subscription) {
 
 	$gateway = $subscription->get_gateway();
 
-	if ( ! empty( $gateway ) ) {
-		echo sanitize_text_field( wpinv_get_gateway_admin_label( $gateway ) );
+	if (!empty($gateway)) {
+		echo sanitize_text_field(wpinv_get_gateway_admin_label($gateway));
 	} else {
 		echo "&mdash;";
 	}
 
 }
-add_action( 'getpaid_subscription_admin_display_gateway', 'getpaid_admin_subscription_metabox_display_gateway' );
+add_action('getpaid_subscription_admin_display_gateway', 'getpaid_admin_subscription_metabox_display_gateway');
 
 /**
  * Displays the subscription status.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_status( $subscription ) {
+function getpaid_admin_subscription_metabox_display_status($subscription) {
 	echo $subscription->get_status_label_html();
 }
-add_action( 'getpaid_subscription_admin_display_status', 'getpaid_admin_subscription_metabox_display_status' );
+add_action('getpaid_subscription_admin_display_status', 'getpaid_admin_subscription_metabox_display_status');
 
 /**
  * Displays the subscription profile id.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_profile_id( $subscription ) {
+function getpaid_admin_subscription_metabox_display_profile_id($subscription) {
 
 	$profile_id = $subscription->get_profile_id();
 
-	if ( ! empty( $profile_id ) ) {
-		$profile_id = sanitize_text_field( $profile_id );
-		echo apply_filters( 'getpaid_subscription_profile_id_display', $profile_id, $subscription );
+	if (!empty($profile_id)) {
+		$profile_id = sanitize_text_field($profile_id);
+		echo apply_filters('getpaid_subscription_profile_id_display', $profile_id, $subscription);
 	} else {
 		echo "&mdash;";
 	}
 
 }
-add_action( 'getpaid_subscription_admin_display_profile_id', 'getpaid_admin_subscription_metabox_display_profile_id' );
+add_action('getpaid_subscription_admin_display_profile_id', 'getpaid_admin_subscription_metabox_display_profile_id');
 
 /**
  * Displays the subscriptions update metabox.
  * 
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_update_metabox( $subscription ) {
+function getpaid_admin_subscription_update_metabox($subscription) {
 
 	?>
 	<div class="mt-3">
@@ -362,10 +362,10 @@ 
 					'id'               => 'subscription_status_update_select',
 					'required'         => true,
 					'no_wrap'          => false,
-					'label'            => __( 'Subscription Status', 'invoicing' ),
-					'help_text'        => __( 'Updating the status will trigger related actions and hooks', 'invoicing' ),
+					'label'            => __('Subscription Status', 'invoicing'),
+					'help_text'        => __('Updating the status will trigger related actions and hooks', 'invoicing'),
 					'select2'          => true,
-					'value'            => $subscription->get_status( 'edit' ),
+					'value'            => $subscription->get_status('edit'),
 				)
 			);
 		?>
@@ -373,13 +373,13 @@ 
 		<div class="mt-2 px-3 py-2 bg-light border-top" style="margin: -12px;">
 	
 		<?php
-			submit_button( __( 'Update', 'invoicing' ), 'primary', 'submit', false );
+			submit_button(__('Update', 'invoicing'), 'primary', 'submit', false);
 
-			$url    = esc_url( wp_nonce_url( add_query_arg( 'getpaid-admin-action', 'subscription_manual_renew' ), 'getpaid-nonce', 'getpaid-nonce' ) );
-			$anchor = __( 'Renew Subscription', 'invoicing' );
-			$title  = esc_attr__( 'Are you sure you want to extend the subscription and generate a new invoice that will be automatically marked as paid?', 'invoicing' );
+			$url    = esc_url(wp_nonce_url(add_query_arg('getpaid-admin-action', 'subscription_manual_renew'), 'getpaid-nonce', 'getpaid-nonce'));
+			$anchor = __('Renew Subscription', 'invoicing');
+			$title  = esc_attr__('Are you sure you want to extend the subscription and generate a new invoice that will be automatically marked as paid?', 'invoicing');
 
-			if ( $subscription->is_active() ) {
+			if ($subscription->is_active()) {
 				echo "<a href='$url' class='float-right text-muted' onclick='return confirm(\"$title\")'>$anchor</a>";
 			}
 
@@ -391,31 +391,31 @@ 
  * 
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_invoice_details_metabox( $subscription ) {
+function getpaid_admin_subscription_invoice_details_metabox($subscription) {
 
 	$columns = apply_filters(
 		'getpaid_subscription_related_invoices_columns',
 		array(
-			'invoice'      => __( 'Invoice', 'invoicing' ),
-			'relationship' => __( 'Relationship', 'invoicing' ),
-			'date'         => __( 'Date', 'invoicing' ),
-			'status'       => __( 'Status', 'invoicing' ),
-			'total'        => __( 'Total', 'invoicing' ),
+			'invoice'      => __('Invoice', 'invoicing'),
+			'relationship' => __('Relationship', 'invoicing'),
+			'date'         => __('Date', 'invoicing'),
+			'status'       => __('Status', 'invoicing'),
+			'total'        => __('Total', 'invoicing'),
 		),
 		$subscription
 	);
 
 	// Prepare the invoices.
-	$payments = $subscription->get_child_payments( ! is_admin() );
+	$payments = $subscription->get_child_payments(!is_admin());
 	$parent   = $subscription->get_parent_invoice();
 
-	if ( $parent->get_id() ) {
-		$payments = array_merge( array( $parent ), $payments );
+	if ($parent->get_id()) {
+		$payments = array_merge(array($parent), $payments);
 	}
 	
 	$table_class = 'w-100 bg-white';
 
-	if ( ! is_admin() ) {
+	if (!is_admin()) {
 		$table_class = 'table table-bordered table-striped';
 	}
 
@@ -427,9 +427,9 @@ 
 				<thead>
 					<tr>
 						<?php
-							foreach ( $columns as $key => $label ) {
-								$key   = esc_attr( $key );
-								$label = sanitize_text_field( $label );
+							foreach ($columns as $key => $label) {
+								$key   = esc_attr($key);
+								$label = sanitize_text_field($label);
 
 								echo "<th class='subscription-invoice-field-$key bg-light p-2 text-left color-dark font-weight-bold'>$label</th>";
 							}
@@ -439,50 +439,50 @@ 
 
 				<tbody>
 
-					<?php if ( empty( $payments ) ) : ?>
+					<?php if (empty($payments)) : ?>
 						<tr>
 							<td colspan="<?php echo count($columns); ?>" class="p-2 text-left text-muted">
-								<?php _e( 'This subscription has no invoices.', 'invoicing' ); ?>
+								<?php _e('This subscription has no invoices.', 'invoicing'); ?>
 							</td>
 						</tr>
 					<?php endif; ?>
 
 					<?php
 
-						foreach( $payments as $payment ) :
+						foreach ($payments as $payment) :
 
 							// Ensure that we have an invoice.
-							$payment = new WPInv_Invoice( $payment );
+							$payment = new WPInv_Invoice($payment);
 
 							// Abort if the invoice is invalid.
-							if ( ! $payment->get_id() ) {
+							if (!$payment->get_id()) {
 								continue;
 							}
 
 							echo '<tr>';
 
-								foreach ( array_keys( $columns ) as $key ) {
+								foreach (array_keys($columns) as $key) {
 
 									echo '<td class="p-2 text-left">';
 
-										switch( $key ) {
+										switch ($key) {
 
 											case 'total':
-												echo '<strong>' . wpinv_price( $payment->get_total(), $payment->get_currency() ) . '</strong>';
+												echo '<strong>' . wpinv_price($payment->get_total(), $payment->get_currency()) . '</strong>';
 												break;
 
 											case 'relationship':
-												echo $payment->is_renewal() ? __( 'Renewal Invoice', 'invoicing' ) : __( 'Initial Invoice', 'invoicing' );
+												echo $payment->is_renewal() ? __('Renewal Invoice', 'invoicing') : __('Initial Invoice', 'invoicing');
 												break;
 
 											case 'date':
-												echo getpaid_format_date_value( $payment->get_date_created() );
+												echo getpaid_format_date_value($payment->get_date_created());
 												break;
 
 											case 'status':
 
 												$status = $payment->get_status_nicename();
-												if ( is_admin() ) {
+												if (is_admin()) {
 													$status = $payment->get_status_label_html();
 												}
 
@@ -490,13 +490,13 @@ 
 												break;
 
 											case 'invoice':
-												$link    = esc_url( get_edit_post_link( $payment->get_id() ) );
+												$link = esc_url(get_edit_post_link($payment->get_id()));
 
-												if ( ! is_admin() ) {
-													$link = esc_url( $payment->get_view_url() );
+												if (!is_admin()) {
+													$link = esc_url($payment->get_view_url());
 												}
 
-												$invoice = sanitize_text_field( $payment->get_number() );
+												$invoice = sanitize_text_field($payment->get_number());
 												echo "<a href='$link'>$invoice</a>";
 												break;
 										}

includes/admin/class-getpaid-post-types-admin.php

Indentation +620 added lines, -620 removed lines

@@ -13,633 +13,633 @@ 
 class GetPaid_Post_Types_Admin {
 
     /**
-	 * Hook in methods.
-	 */
-	public static function init() {
-
-		// Init metaboxes.
-		GetPaid_Metaboxes::init();
-
-		// Filter the post updated messages.
-		add_filter( 'post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages' );
-
-		// Filter post actions.
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2 );
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2 );
-
-		// Invoice table columns.
-		add_filter( 'manage_wpi_invoice_posts_columns', array( __CLASS__, 'invoice_columns' ), 100 );
-		add_action( 'manage_wpi_invoice_posts_custom_column', array( __CLASS__, 'display_invoice_columns' ), 10, 2 );
-
-		// Items table columns.
-		add_filter( 'manage_wpi_item_posts_columns', array( __CLASS__, 'item_columns' ), 100 );
-		add_filter( 'manage_edit-wpi_item_sortable_columns', array( __CLASS__, 'sortable_item_columns' ), 20 );
-		add_action( 'manage_wpi_item_posts_custom_column', array( __CLASS__, 'display_item_columns' ), 10, 2 );
-		add_action( 'restrict_manage_posts', array( __CLASS__, 'add_item_filters' ), 100 );
-		add_action( 'parse_query', array( __CLASS__, 'filter_item_query' ), 100 );
-		add_action( 'request', array( __CLASS__, 'reorder_items' ), 100 );
-
-		// Payment forms columns.
-		add_filter( 'manage_wpi_payment_form_posts_columns', array( __CLASS__, 'payment_form_columns' ), 100 );
-		add_action( 'manage_wpi_payment_form_posts_custom_column', array( __CLASS__, 'display_payment_form_columns' ), 10, 2 );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_payment_form_state' ), 10, 2 );
-
-		// Discount table columns.
-		add_filter( 'manage_wpi_discount_posts_columns', array( __CLASS__, 'discount_columns' ), 100 );
-		add_filter( 'bulk_actions-edit-wpi_discount', '__return_empty_array', 100 );
-
-		// Deleting posts.
-		add_action( 'delete_post', array( __CLASS__, 'delete_post' ) );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_discount_state' ), 10, 2 );
-	}
-
-	/**
-	 * Post updated messages.
-	 */
-	public static function post_updated_messages( $messages ) {
-		global $post;
-
-		$messages['wpi_discount'] = array(
-			0   => '',
-			1   => __( 'Discount updated.', 'invoicing' ),
-			2   => __( 'Custom field updated.', 'invoicing' ),
-			3   => __( 'Custom field deleted.', 'invoicing' ),
-			4   => __( 'Discount updated.', 'invoicing' ),
-			5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Discount restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6   => __( 'Discount updated.', 'invoicing' ),
-			7   => __( 'Discount saved.', 'invoicing' ),
-			8   => __( 'Discount submitted.', 'invoicing' ),
-			9   => wp_sprintf( __( 'Discount scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10  => __( 'Discount draft updated.', 'invoicing' ),
-		);
-
-		$messages['wpi_payment_form'] = array(
-			0   => '',
-			1   => __( 'Payment Form updated.', 'invoicing' ),
-			2   => __( 'Custom field updated.', 'invoicing' ),
-			3   => __( 'Custom field deleted.', 'invoicing' ),
-			4   => __( 'Payment Form updated.', 'invoicing' ),
-			5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Payment Form restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6   => __( 'Payment Form updated.', 'invoicing' ),
-			7   => __( 'Payment Form saved.', 'invoicing' ),
-			8   => __( 'Payment Form submitted.', 'invoicing' ),
-			9   => wp_sprintf( __( 'Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10  => __( 'Payment Form draft updated.', 'invoicing' ),
-		);
-
-		return $messages;
-
-	}
-
-	/**
-	 * Post row actions.
-	 */
-	public static function post_row_actions( $actions, $post ) {
-
-		$post = get_post( $post );
-
-		// We do not want to edit the default payment form.
-		if ( 'wpi_payment_form' == $post->post_type && $post->ID == wpinv_get_default_payment_form() ) {
-			unset( $actions['trash'] );
-			unset( $actions['inline hide-if-no-js'] );
-		}
-
-		return $actions;
-	}
-
-	/**
+     * Hook in methods.
+     */
+    public static function init() {
+
+        // Init metaboxes.
+        GetPaid_Metaboxes::init();
+
+        // Filter the post updated messages.
+        add_filter( 'post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages' );
+
+        // Filter post actions.
+        add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2 );
+        add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2 );
+
+        // Invoice table columns.
+        add_filter( 'manage_wpi_invoice_posts_columns', array( __CLASS__, 'invoice_columns' ), 100 );
+        add_action( 'manage_wpi_invoice_posts_custom_column', array( __CLASS__, 'display_invoice_columns' ), 10, 2 );
+
+        // Items table columns.
+        add_filter( 'manage_wpi_item_posts_columns', array( __CLASS__, 'item_columns' ), 100 );
+        add_filter( 'manage_edit-wpi_item_sortable_columns', array( __CLASS__, 'sortable_item_columns' ), 20 );
+        add_action( 'manage_wpi_item_posts_custom_column', array( __CLASS__, 'display_item_columns' ), 10, 2 );
+        add_action( 'restrict_manage_posts', array( __CLASS__, 'add_item_filters' ), 100 );
+        add_action( 'parse_query', array( __CLASS__, 'filter_item_query' ), 100 );
+        add_action( 'request', array( __CLASS__, 'reorder_items' ), 100 );
+
+        // Payment forms columns.
+        add_filter( 'manage_wpi_payment_form_posts_columns', array( __CLASS__, 'payment_form_columns' ), 100 );
+        add_action( 'manage_wpi_payment_form_posts_custom_column', array( __CLASS__, 'display_payment_form_columns' ), 10, 2 );
+        add_filter( 'display_post_states', array( __CLASS__, 'filter_payment_form_state' ), 10, 2 );
+
+        // Discount table columns.
+        add_filter( 'manage_wpi_discount_posts_columns', array( __CLASS__, 'discount_columns' ), 100 );
+        add_filter( 'bulk_actions-edit-wpi_discount', '__return_empty_array', 100 );
+
+        // Deleting posts.
+        add_action( 'delete_post', array( __CLASS__, 'delete_post' ) );
+        add_filter( 'display_post_states', array( __CLASS__, 'filter_discount_state' ), 10, 2 );
+    }
+
+    /**
+     * Post updated messages.
+     */
+    public static function post_updated_messages( $messages ) {
+        global $post;
+
+        $messages['wpi_discount'] = array(
+            0   => '',
+            1   => __( 'Discount updated.', 'invoicing' ),
+            2   => __( 'Custom field updated.', 'invoicing' ),
+            3   => __( 'Custom field deleted.', 'invoicing' ),
+            4   => __( 'Discount updated.', 'invoicing' ),
+            5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Discount restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
+            6   => __( 'Discount updated.', 'invoicing' ),
+            7   => __( 'Discount saved.', 'invoicing' ),
+            8   => __( 'Discount submitted.', 'invoicing' ),
+            9   => wp_sprintf( __( 'Discount scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
+            10  => __( 'Discount draft updated.', 'invoicing' ),
+        );
+
+        $messages['wpi_payment_form'] = array(
+            0   => '',
+            1   => __( 'Payment Form updated.', 'invoicing' ),
+            2   => __( 'Custom field updated.', 'invoicing' ),
+            3   => __( 'Custom field deleted.', 'invoicing' ),
+            4   => __( 'Payment Form updated.', 'invoicing' ),
+            5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Payment Form restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
+            6   => __( 'Payment Form updated.', 'invoicing' ),
+            7   => __( 'Payment Form saved.', 'invoicing' ),
+            8   => __( 'Payment Form submitted.', 'invoicing' ),
+            9   => wp_sprintf( __( 'Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
+            10  => __( 'Payment Form draft updated.', 'invoicing' ),
+        );
+
+        return $messages;
+
+    }
+
+    /**
+     * Post row actions.
+     */
+    public static function post_row_actions( $actions, $post ) {
+
+        $post = get_post( $post );
+
+        // We do not want to edit the default payment form.
+        if ( 'wpi_payment_form' == $post->post_type && $post->ID == wpinv_get_default_payment_form() ) {
+            unset( $actions['trash'] );
+            unset( $actions['inline hide-if-no-js'] );
+        }
+
+        return $actions;
+    }
+
+    /**
      * Remove bulk edit option from admin side quote listing
      *
      * @since    1.0.0
      * @param array $actions post actions
-	 * @param WP_Post $post
+     * @param WP_Post $post
      * @return array $actions actions without edit option
      */
     public static function filter_invoice_row_actions( $actions, $post ) {
 
         if ( getpaid_is_invoice_post_type( $post->post_type ) ) {
 
-			$actions = array();
-			$invoice = new WPInv_Invoice( $post );
-
-			$actions['edit'] =  sprintf(
-				'<a href="%1$s">%2$s</a>',
-				esc_url( get_edit_post_link( $invoice->get_id() ) ),
-				esc_html( __( 'Edit', 'invoicing' ) )
-			);
-
-			if ( ! $invoice->is_draft() ) {
-
-				$actions['view'] =  sprintf(
-					'<a href="%1$s">%2$s</a>',
-					esc_url( $invoice->get_view_url() ),
-					sprintf(
-						esc_html( __( 'View %s', 'invoicing' ) ),
-						getpaid_get_post_type_label( $invoice->get_post_type(), false )
-					)
-				);
-
-				$actions['send'] =  sprintf(
-					'<a href="%1$s">%2$s</a>',
-					esc_url(
-						wp_nonce_url(
-							add_query_arg(
-								array(
-									'getpaid-admin-action' => 'send_invoice',
-									'invoice_id'           => $invoice->get_id()
-								)
-							),
-							'getpaid-nonce',
-							'getpaid-nonce'
-						)
-					),
-					esc_html( __( 'Send to Customer', 'invoicing' ) )
-				);
-
-			}
+            $actions = array();
+            $invoice = new WPInv_Invoice( $post );
+
+            $actions['edit'] =  sprintf(
+                '<a href="%1$s">%2$s</a>',
+                esc_url( get_edit_post_link( $invoice->get_id() ) ),
+                esc_html( __( 'Edit', 'invoicing' ) )
+            );
+
+            if ( ! $invoice->is_draft() ) {
+
+                $actions['view'] =  sprintf(
+                    '<a href="%1$s">%2$s</a>',
+                    esc_url( $invoice->get_view_url() ),
+                    sprintf(
+                        esc_html( __( 'View %s', 'invoicing' ) ),
+                        getpaid_get_post_type_label( $invoice->get_post_type(), false )
+                    )
+                );
+
+                $actions['send'] =  sprintf(
+                    '<a href="%1$s">%2$s</a>',
+                    esc_url(
+                        wp_nonce_url(
+                            add_query_arg(
+                                array(
+                                    'getpaid-admin-action' => 'send_invoice',
+                                    'invoice_id'           => $invoice->get_id()
+                                )
+                            ),
+                            'getpaid-nonce',
+                            'getpaid-nonce'
+                        )
+                    ),
+                    esc_html( __( 'Send to Customer', 'invoicing' ) )
+                );
+
+            }
 
         }
 
         return $actions;
-	}
+    }
 
-	/**
-	 * Returns an array of invoice table columns.
-	 */
-	public static function invoice_columns( $columns ) {
+    /**
+     * Returns an array of invoice table columns.
+     */
+    public static function invoice_columns( $columns ) {
 
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'number'            => __( 'Invoice', 'invoicing' ),
-			'customer'          => __( 'Customer', 'invoicing' ),
-			'invoice_date'      => __( 'Date', 'invoicing' ),
-			'amount'            => __( 'Amount', 'invoicing' ),
-			'recurring'         => __( 'Recurring', 'invoicing' ),
-			'status'            => __( 'Status', 'invoicing' ),
-		);
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'number'            => __( 'Invoice', 'invoicing' ),
+            'customer'          => __( 'Customer', 'invoicing' ),
+            'invoice_date'      => __( 'Date', 'invoicing' ),
+            'amount'            => __( 'Amount', 'invoicing' ),
+            'recurring'         => __( 'Recurring', 'invoicing' ),
+            'status'            => __( 'Status', 'invoicing' ),
+        );
 
-		return apply_filters( 'wpi_invoice_table_columns', $columns );
-	}
+        return apply_filters( 'wpi_invoice_table_columns', $columns );
+    }
 
-	/**
-	 * Displays invoice table columns.
-	 */
-	public static function display_invoice_columns( $column_name, $post_id ) {
+    /**
+     * Displays invoice table columns.
+     */
+    public static function display_invoice_columns( $column_name, $post_id ) {
 
-		$invoice = new WPInv_Invoice( $post_id );
+        $invoice = new WPInv_Invoice( $post_id );
 
-		switch ( $column_name ) {
+        switch ( $column_name ) {
 
-			case 'invoice_date' :
-				$date_time = esc_attr( $invoice->get_created_date() );
-				$date      = getpaid_format_date_value( $date_time );
-				echo "<span title='$date_time'>$date</span>";
-				break;
+            case 'invoice_date' :
+                $date_time = esc_attr( $invoice->get_created_date() );
+                $date      = getpaid_format_date_value( $date_time );
+                echo "<span title='$date_time'>$date</span>";
+                break;
 
-			case 'amount' :
+            case 'amount' :
 
-				$amount = $invoice->get_total();
-				$formated_amount = wpinv_price( $amount, $invoice->get_currency() );
+                $amount = $invoice->get_total();
+                $formated_amount = wpinv_price( $amount, $invoice->get_currency() );
 
-				if ( $invoice->is_refunded() ) {
-					$refunded_amount = wpinv_price( 0, $invoice->get_currency() );
-					echo "<del>$formated_amount</del>&nbsp;<ins>$refunded_amount</ins>";
-				} else {
+                if ( $invoice->is_refunded() ) {
+                    $refunded_amount = wpinv_price( 0, $invoice->get_currency() );
+                    echo "<del>$formated_amount</del>&nbsp;<ins>$refunded_amount</ins>";
+                } else {
 
-					$discount = $invoice->get_total_discount();
+                    $discount = $invoice->get_total_discount();
 
-					if ( ! empty( $discount ) ) {
-						$new_amount = wpinv_price( $amount + $discount, $invoice->get_currency() );
-						echo "<del>$new_amount</del>&nbsp;<ins>$formated_amount</ins>";
-					} else {
-						echo $formated_amount;
-					}
+                    if ( ! empty( $discount ) ) {
+                        $new_amount = wpinv_price( $amount + $discount, $invoice->get_currency() );
+                        echo "<del>$new_amount</del>&nbsp;<ins>$formated_amount</ins>";
+                    } else {
+                        echo $formated_amount;
+                    }
 
-				}
+                }
 
-				break;
+                break;
 
-			case 'status' :
-				$status       = sanitize_text_field( $invoice->get_status() );
-				$status_label = sanitize_text_field( $invoice->get_status_nicename() );
+            case 'status' :
+                $status       = sanitize_text_field( $invoice->get_status() );
+                $status_label = sanitize_text_field( $invoice->get_status_nicename() );
 
-				// If it is paid, show the gateway title.
-				if ( $invoice->is_paid() ) {
-					$gateway = sanitize_text_field( $invoice->get_gateway_title() );
-					$gateway = wp_sprintf( esc_attr__( 'Paid via %s', 'invoicing' ), $gateway );
+                // If it is paid, show the gateway title.
+                if ( $invoice->is_paid() ) {
+                    $gateway = sanitize_text_field( $invoice->get_gateway_title() );
+                    $gateway = wp_sprintf( esc_attr__( 'Paid via %s', 'invoicing' ), $gateway );
 
-					echo "<mark class='wpi-help-tip getpaid-invoice-status $status' title='$gateway'><span>$status_label</span></mark>";
-				} else {
-					echo "<mark class='getpaid-invoice-status $status'><span>$status_label</span></mark>";
-				}
+                    echo "<mark class='wpi-help-tip getpaid-invoice-status $status' title='$gateway'><span>$status_label</span></mark>";
+                } else {
+                    echo "<mark class='getpaid-invoice-status $status'><span>$status_label</span></mark>";
+                }
 
-				// If it is not paid, display the overdue and view status.
-				if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
+                // If it is not paid, display the overdue and view status.
+                if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
 
-					// Invoice view status.
-					if ( wpinv_is_invoice_viewed( $invoice->get_id() ) ) {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="'. esc_attr__( 'Viewed by Customer', 'invoicing' ).'"></i>';
-					} else {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="'. esc_attr__( 'Not Viewed by Customer', 'invoicing' ).'"></i>';
-					}
+                    // Invoice view status.
+                    if ( wpinv_is_invoice_viewed( $invoice->get_id() ) ) {
+                        echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="'. esc_attr__( 'Viewed by Customer', 'invoicing' ).'"></i>';
+                    } else {
+                        echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="'. esc_attr__( 'Not Viewed by Customer', 'invoicing' ).'"></i>';
+                    }
 
-					// Display the overview status.
-					if ( wpinv_get_option( 'overdue_active' ) ) {
-						$due_date = $invoice->get_due_date();
-						$fomatted = getpaid_format_date( $due_date );
+                    // Display the overview status.
+                    if ( wpinv_get_option( 'overdue_active' ) ) {
+                        $due_date = $invoice->get_due_date();
+                        $fomatted = getpaid_format_date( $due_date );
 
-						if ( ! empty( $fomatted ) ) {
-							$date = wp_sprintf( __( 'Due %s', 'invoicing' ), $fomatted );
-							echo "<p class='description' style='color: #888;' title='$due_date'>$fomatted</p>";
-						}
-					}
+                        if ( ! empty( $fomatted ) ) {
+                            $date = wp_sprintf( __( 'Due %s', 'invoicing' ), $fomatted );
+                            echo "<p class='description' style='color: #888;' title='$due_date'>$fomatted</p>";
+                        }
+                    }
 
-				}
+                }
 
-				break;
+                break;
 
-			case 'recurring':
+            case 'recurring':
 
-				if ( $invoice->is_recurring() ) {
-					echo '<i class="fa fa-check" style="color:#43850a;"></i>';
-				} else {
-					echo '<i class="fa fa-times" style="color:#616161;"></i>';
-				}
-				break;
+                if ( $invoice->is_recurring() ) {
+                    echo '<i class="fa fa-check" style="color:#43850a;"></i>';
+                } else {
+                    echo '<i class="fa fa-times" style="color:#616161;"></i>';
+                }
+                break;
 
-			case 'number' :
+            case 'number' :
 
-				$edit_link       = esc_url( get_edit_post_link( $invoice->get_id() ) );
-				$invoice_number  = sanitize_text_field( $invoice->get_number() );
-				$invoice_details = esc_attr__( 'View Invoice Details', 'invoicing' );
+                $edit_link       = esc_url( get_edit_post_link( $invoice->get_id() ) );
+                $invoice_number  = sanitize_text_field( $invoice->get_number() );
+                $invoice_details = esc_attr__( 'View Invoice Details', 'invoicing' );
 
-				echo "<a href='$edit_link' title='$invoice_details'><strong>$invoice_number</strong></a>";
+                echo "<a href='$edit_link' title='$invoice_details'><strong>$invoice_number</strong></a>";
 
-				break;
+                break;
 
-			case 'customer' :
+            case 'customer' :
 	
-				$customer_name = $invoice->get_user_full_name();
+                $customer_name = $invoice->get_user_full_name();
 	
-				if ( empty( $customer_name ) ) {
-					$customer_name = $invoice->get_email();
-				}
+                if ( empty( $customer_name ) ) {
+                    $customer_name = $invoice->get_email();
+                }
 	
-				if ( ! empty( $customer_name ) ) {
-					$customer_details = esc_attr__( 'View Customer Details', 'invoicing' );
-					$view_link        = esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), admin_url( 'user-edit.php' ) ) );
-					echo "<a href='$view_link' title='$customer_details'><span>$customer_name</span></a>";
-				} else {
-					echo '<div>&mdash;</div>';
-				}
+                if ( ! empty( $customer_name ) ) {
+                    $customer_details = esc_attr__( 'View Customer Details', 'invoicing' );
+                    $view_link        = esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), admin_url( 'user-edit.php' ) ) );
+                    echo "<a href='$view_link' title='$customer_details'><span>$customer_name</span></a>";
+                } else {
+                    echo '<div>&mdash;</div>';
+                }
 
-				break;
+                break;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Returns an array of payment forms table columns.
-	 */
-	public static function payment_form_columns( $columns ) {
+    /**
+     * Returns an array of payment forms table columns.
+     */
+    public static function payment_form_columns( $columns ) {
 
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'shortcode'         => __( 'Shortcode', 'invoicing' ),
-			'earnings'          => __( 'Revenue', 'invoicing' ),
-			'refunds'           => __( 'Refunded', 'invoicing' ),
-			'items'             => __( 'Items', 'invoicing' ),
-			'date'              => __( 'Date', 'invoicing' ),
-		);
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'title'             => __( 'Name', 'invoicing' ),
+            'shortcode'         => __( 'Shortcode', 'invoicing' ),
+            'earnings'          => __( 'Revenue', 'invoicing' ),
+            'refunds'           => __( 'Refunded', 'invoicing' ),
+            'items'             => __( 'Items', 'invoicing' ),
+            'date'              => __( 'Date', 'invoicing' ),
+        );
 
-		return apply_filters( 'wpi_payment_form_table_columns', $columns );
+        return apply_filters( 'wpi_payment_form_table_columns', $columns );
 
-	}
+    }
 
-	/**
-	 * Displays payment form table columns.
-	 */
-	public static function display_payment_form_columns( $column_name, $post_id ) {
+    /**
+     * Displays payment form table columns.
+     */
+    public static function display_payment_form_columns( $column_name, $post_id ) {
 
-		// Retrieve the payment form.
-		$form = new GetPaid_Payment_Form( $post_id );
+        // Retrieve the payment form.
+        $form = new GetPaid_Payment_Form( $post_id );
 
-		switch ( $column_name ) {
+        switch ( $column_name ) {
 
-			case 'earnings' :
-				echo wpinv_price( $form->get_earned() );
-				break;
+            case 'earnings' :
+                echo wpinv_price( $form->get_earned() );
+                break;
 
-			case 'refunds' :
-				echo wpinv_price( $form->get_refunded() );
-				break;
+            case 'refunds' :
+                echo wpinv_price( $form->get_refunded() );
+                break;
 
-			case 'refunds' :
-				echo wpinv_price( $form->get_refunded() );
-				break;
+            case 'refunds' :
+                echo wpinv_price( $form->get_refunded() );
+                break;
 
-			case 'shortcode' :
+            case 'shortcode' :
 
-				if ( $form->is_default() ) {
-					echo '&mdash;';
-				} else {
-					echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr( $form->get_id() ) . ']" style="width: 100%;" readonly/>';
-				}
+                if ( $form->is_default() ) {
+                    echo '&mdash;';
+                } else {
+                    echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr( $form->get_id() ) . ']" style="width: 100%;" readonly/>';
+                }
 
-				break;
+                break;
 
-			case 'items' :
+            case 'items' :
 
-				$items = $form->get_items();
+                $items = $form->get_items();
 
-				if ( $form->is_default() || empty( $items ) ) {
-					echo '&mdash;';
-					return;
-				}
+                if ( $form->is_default() || empty( $items ) ) {
+                    echo '&mdash;';
+                    return;
+                }
 
-				$_items = array();
+                $_items = array();
 
-				foreach ( $items as $item ) {
-					$url = $item->get_edit_url();
+                foreach ( $items as $item ) {
+                    $url = $item->get_edit_url();
 
-					if ( empty( $url ) ) {
-						$_items[] = sanitize_text_field( $item->get_name() );
-					} else {
-						$_items[] = sprintf(
-							'<a href="%s">%s</a>',
-							esc_url( $url ),
-							sanitize_text_field( $item->get_name() )
-						);
-					}
+                    if ( empty( $url ) ) {
+                        $_items[] = sanitize_text_field( $item->get_name() );
+                    } else {
+                        $_items[] = sprintf(
+                            '<a href="%s">%s</a>',
+                            esc_url( $url ),
+                            sanitize_text_field( $item->get_name() )
+                        );
+                    }
 
-				}
+                }
 
-				echo implode( '<br>', $_items );
+                echo implode( '<br>', $_items );
 
-				break;
+                break;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Filters post states.
-	 */
-	public static function filter_payment_form_state( $post_states, $post ) {
+    /**
+     * Filters post states.
+     */
+    public static function filter_payment_form_state( $post_states, $post ) {
 
-		if ( 'wpi_payment_form' == $post->post_type && wpinv_get_default_payment_form() == $post->ID ) {
-			$post_states[ 'default_form' ] = __( 'Default Payment Form', 'invoicing' );
-		}
+        if ( 'wpi_payment_form' == $post->post_type && wpinv_get_default_payment_form() == $post->ID ) {
+            $post_states[ 'default_form' ] = __( 'Default Payment Form', 'invoicing' );
+        }
 	
-		return $post_states;
-
-	}
-
-	/**
-	 * Returns an array of coupon table columns.
-	 */
-	public static function discount_columns( $columns ) {
-
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'code'              => __( 'Code', 'invoicing' ),
-			'amount'            => __( 'Amount', 'invoicing' ),
-			'usage'             => __( 'Usage / Limit', 'invoicing' ),
-			'start_date'        => __( 'Start Date', 'invoicing' ),
-			'expiry_date'       => __( 'Expiry Date', 'invoicing' ),
-		);
-
-		return apply_filters( 'wpi_discount_table_columns', $columns );
-	}
-
-	/**
-	 * Filters post states.
-	 */
-	public static function filter_discount_state( $post_states, $post ) {
-
-		if ( 'wpi_discount' == $post->post_type ) {
-
-			$discount = new WPInv_Discount( $post );
-
-			$status = $discount->is_expired() ? 'expired' : $discount->get_status();
-
-			if ( $status != 'publish' ) {
-				return array(
-					'discount_status' => wpinv_discount_status( $status ),
-				);
-			}
-
-			return array();
-
-		}
-
-		return $post_states;
-
-	}
-
-	/**
-	 * Returns an array of items table columns.
-	 */
-	public static function item_columns( $columns ) {
-
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'price'             => __( 'Price', 'invoicing' ),
-			'vat_rule'          => __( 'VAT rule', 'invoicing' ),
-			'vat_class'         => __( 'VAT class', 'invoicing' ),
-			'type'              => __( 'Type', 'invoicing' ),
-			'shortcode'         => __( 'Shortcode', 'invoicing' ),
-		);
-
-		if ( ! wpinv_use_taxes() ) {
-			unset( $columns['vat_rule'] );
-			unset( $columns['vat_class'] );
-		}
-
-		return apply_filters( 'wpi_item_table_columns', $columns );
-	}
-
-	/**
-	 * Returns an array of sortable items table columns.
-	 */
-	public static function sortable_item_columns( $columns ) {
-
-		return array_merge(
-			$columns,
-			array(
-				'price'     => 'price',
-				'vat_rule'  => 'vat_rule',
-				'vat_class' => 'vat_class',
-				'type'      => 'type',
-			)
-		);
-
-	}
-
-	/**
-	 * Displays items table columns.
-	 */
-	public static function display_item_columns( $column_name, $post_id ) {
+        return $post_states;
+
+    }
+
+    /**
+     * Returns an array of coupon table columns.
+     */
+    public static function discount_columns( $columns ) {
+
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'title'             => __( 'Name', 'invoicing' ),
+            'code'              => __( 'Code', 'invoicing' ),
+            'amount'            => __( 'Amount', 'invoicing' ),
+            'usage'             => __( 'Usage / Limit', 'invoicing' ),
+            'start_date'        => __( 'Start Date', 'invoicing' ),
+            'expiry_date'       => __( 'Expiry Date', 'invoicing' ),
+        );
+
+        return apply_filters( 'wpi_discount_table_columns', $columns );
+    }
+
+    /**
+     * Filters post states.
+     */
+    public static function filter_discount_state( $post_states, $post ) {
+
+        if ( 'wpi_discount' == $post->post_type ) {
+
+            $discount = new WPInv_Discount( $post );
+
+            $status = $discount->is_expired() ? 'expired' : $discount->get_status();
+
+            if ( $status != 'publish' ) {
+                return array(
+                    'discount_status' => wpinv_discount_status( $status ),
+                );
+            }
+
+            return array();
+
+        }
+
+        return $post_states;
+
+    }
+
+    /**
+     * Returns an array of items table columns.
+     */
+    public static function item_columns( $columns ) {
+
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'title'             => __( 'Name', 'invoicing' ),
+            'price'             => __( 'Price', 'invoicing' ),
+            'vat_rule'          => __( 'VAT rule', 'invoicing' ),
+            'vat_class'         => __( 'VAT class', 'invoicing' ),
+            'type'              => __( 'Type', 'invoicing' ),
+            'shortcode'         => __( 'Shortcode', 'invoicing' ),
+        );
+
+        if ( ! wpinv_use_taxes() ) {
+            unset( $columns['vat_rule'] );
+            unset( $columns['vat_class'] );
+        }
+
+        return apply_filters( 'wpi_item_table_columns', $columns );
+    }
+
+    /**
+     * Returns an array of sortable items table columns.
+     */
+    public static function sortable_item_columns( $columns ) {
+
+        return array_merge(
+            $columns,
+            array(
+                'price'     => 'price',
+                'vat_rule'  => 'vat_rule',
+                'vat_class' => 'vat_class',
+                'type'      => 'type',
+            )
+        );
+
+    }
+
+    /**
+     * Displays items table columns.
+     */
+    public static function display_item_columns( $column_name, $post_id ) {
  
-		$item = new WPInv_Item( $post_id );
+        $item = new WPInv_Item( $post_id );
 
-		switch ( $column_name ) {
+        switch ( $column_name ) {
 
-			case 'price' :
+            case 'price' :
 
-				if ( ! $item->is_recurring() ) {
-					echo $item->get_the_price();
-					break;
-				}
+                if ( ! $item->is_recurring() ) {
+                    echo $item->get_the_price();
+                    break;
+                }
 
-				$price = wp_sprintf(
-					__( '%s / %s', 'invoicing' ),
-					$item->get_the_price(),
-					getpaid_get_subscription_period_label( $item->get_recurring_period(), $item->get_recurring_interval(), '' )
-				);
+                $price = wp_sprintf(
+                    __( '%s / %s', 'invoicing' ),
+                    $item->get_the_price(),
+                    getpaid_get_subscription_period_label( $item->get_recurring_period(), $item->get_recurring_interval(), '' )
+                );
 
-				if ( $item->get_the_price() == $item->get_the_initial_price() ) {
-					echo $price;
-					break;
-				}
+                if ( $item->get_the_price() == $item->get_the_initial_price() ) {
+                    echo $price;
+                    break;
+                }
 
-				echo $item->get_the_initial_price();
+                echo $item->get_the_initial_price();
 
-				echo '<span class="meta">' . wp_sprintf( __( 'then %s', 'invoicing' ), $price )  .'</span>';
-				break;
+                echo '<span class="meta">' . wp_sprintf( __( 'then %s', 'invoicing' ), $price )  .'</span>';
+                break;
 
-			case 'vat_rule' :
-				echo getpaid_get_tax_rule_label( $item->get_vat_rule() );
-				break;
+            case 'vat_rule' :
+                echo getpaid_get_tax_rule_label( $item->get_vat_rule() );
+                break;
 
-			case 'vat_class' :
-				echo getpaid_get_tax_class_label( $item->get_vat_class() );
-				break;
+            case 'vat_class' :
+                echo getpaid_get_tax_class_label( $item->get_vat_class() );
+                break;
 
-			case 'shortcode' :
-				echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr( $item->get_id() ) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
-				break;
+            case 'shortcode' :
+                echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr( $item->get_id() ) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
+                break;
 
-			case 'type' :
-				echo wpinv_item_type( $item->get_id() ) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>';
-				break;
+            case 'type' :
+                echo wpinv_item_type( $item->get_id() ) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>';
+                break;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Lets users filter items using taxes.
-	 */
-	public static function add_item_filters( $post_type ) {
+    /**
+     * Lets users filter items using taxes.
+     */
+    public static function add_item_filters( $post_type ) {
 
-		// Abort if we're not dealing with items.
-		if ( $post_type != 'wpi_item' ) {
-			return;
-		}
+        // Abort if we're not dealing with items.
+        if ( $post_type != 'wpi_item' ) {
+            return;
+        }
 
-		// Filter by vat rules.
-		if ( wpinv_use_taxes() ) {
+        // Filter by vat rules.
+        if ( wpinv_use_taxes() ) {
 	
-			// Sanitize selected vat rule.
-			$vat_rule   = '';
-			$vat_rules  = getpaid_get_tax_rules();
-			if ( isset( $_GET['vat_rule'] ) ) {
-				$vat_rule   =  $_GET['vat_rule'];
-			}
-
-			// Filter by VAT rule.
-			echo wpinv_html_select(
-				array(
-					'options'          => array_merge(
-						array(
-							'' => __( 'All VAT rules', 'invoicing' )
-						),
-						$vat_rules
-					),
-					'name'             => 'vat_rule',
-					'id'               => 'vat_rule',
-					'selected'         => in_array( $vat_rule, array_keys( $vat_rules ) ) ? $vat_rule : '',
-					'show_option_all'  => false,
-					'show_option_none' => false,
-				)
-			);
-
-			// Filter by VAT class.
+            // Sanitize selected vat rule.
+            $vat_rule   = '';
+            $vat_rules  = getpaid_get_tax_rules();
+            if ( isset( $_GET['vat_rule'] ) ) {
+                $vat_rule   =  $_GET['vat_rule'];
+            }
+
+            // Filter by VAT rule.
+            echo wpinv_html_select(
+                array(
+                    'options'          => array_merge(
+                        array(
+                            '' => __( 'All VAT rules', 'invoicing' )
+                        ),
+                        $vat_rules
+                    ),
+                    'name'             => 'vat_rule',
+                    'id'               => 'vat_rule',
+                    'selected'         => in_array( $vat_rule, array_keys( $vat_rules ) ) ? $vat_rule : '',
+                    'show_option_all'  => false,
+                    'show_option_none' => false,
+                )
+            );
+
+            // Filter by VAT class.
 	
-			// Sanitize selected vat rule.
-			$vat_class   = '';
-			$vat_classes = getpaid_get_tax_classes();
-			if ( isset( $_GET['vat_class'] ) ) {
-				$vat_class   =  $_GET['vat_class'];
-			}
-
-			echo wpinv_html_select(
-				array(
-					'options'          => array_merge(
-						array(
-							'' => __( 'All VAT classes', 'invoicing' )
-						),
-						$vat_classes
-					),
-					'name'             => 'vat_class',
-					'id'               => 'vat_class',
-					'selected'         => in_array( $vat_class, array_keys( $vat_classes ) ) ? $vat_class : '',
-					'show_option_all'  => false,
-					'show_option_none' => false,
-				)
-			);
-
-		}
-
-		// Filter by item type.
-		$type   = '';
-		if ( isset( $_GET['type'] ) ) {
-			$type   =  $_GET['type'];
-		}
-
-		echo wpinv_html_select(
-			array(
-				'options'          => array_merge(
-					array(
-						'' => __( 'All item types', 'invoicing' )
-					),
-					wpinv_get_item_types()
-				),
-				'name'             => 'type',
-				'id'               => 'type',
-				'selected'         => in_array( $type, wpinv_item_types() ) ? $type : '',
-				'show_option_all'  => false,
-				'show_option_none' => false,
-			)
-		);
-
-	}
-
-	/**
-	 * Filters the item query.
-	 */
-	public static function filter_item_query( $query ) {
-
-		// modify the query only if it admin and main query.
-		if ( ! ( is_admin() && $query->is_main_query() ) ){ 
-			return $query;
-		}
-
-		// we want to modify the query for our items.
-		if ( 'wpi_item' != $query->query['post_type'] ){
-			return $query;
-		}
-
-		if ( empty( $query->query_vars['meta_query'] ) ) {
-			$query->query_vars['meta_query'] = array();
-		}
-
-		// Filter vat rule type
+            // Sanitize selected vat rule.
+            $vat_class   = '';
+            $vat_classes = getpaid_get_tax_classes();
+            if ( isset( $_GET['vat_class'] ) ) {
+                $vat_class   =  $_GET['vat_class'];
+            }
+
+            echo wpinv_html_select(
+                array(
+                    'options'          => array_merge(
+                        array(
+                            '' => __( 'All VAT classes', 'invoicing' )
+                        ),
+                        $vat_classes
+                    ),
+                    'name'             => 'vat_class',
+                    'id'               => 'vat_class',
+                    'selected'         => in_array( $vat_class, array_keys( $vat_classes ) ) ? $vat_class : '',
+                    'show_option_all'  => false,
+                    'show_option_none' => false,
+                )
+            );
+
+        }
+
+        // Filter by item type.
+        $type   = '';
+        if ( isset( $_GET['type'] ) ) {
+            $type   =  $_GET['type'];
+        }
+
+        echo wpinv_html_select(
+            array(
+                'options'          => array_merge(
+                    array(
+                        '' => __( 'All item types', 'invoicing' )
+                    ),
+                    wpinv_get_item_types()
+                ),
+                'name'             => 'type',
+                'id'               => 'type',
+                'selected'         => in_array( $type, wpinv_item_types() ) ? $type : '',
+                'show_option_all'  => false,
+                'show_option_none' => false,
+            )
+        );
+
+    }
+
+    /**
+     * Filters the item query.
+     */
+    public static function filter_item_query( $query ) {
+
+        // modify the query only if it admin and main query.
+        if ( ! ( is_admin() && $query->is_main_query() ) ){ 
+            return $query;
+        }
+
+        // we want to modify the query for our items.
+        if ( 'wpi_item' != $query->query['post_type'] ){
+            return $query;
+        }
+
+        if ( empty( $query->query_vars['meta_query'] ) ) {
+            $query->query_vars['meta_query'] = array();
+        }
+
+        // Filter vat rule type
         if ( ! empty( $_GET['vat_rule'] ) ) {
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_vat_rule',
@@ -664,94 +664,94 @@ 
                 'value'   => sanitize_text_field( $_GET['type'] ),
                 'compare' => '='
             );
-		}
-
-	}
-
-	/**
-	 * Reorders items.
-	 */
-	public static function reorder_items( $vars ) {
-		global $typenow;
-
-		if ( 'wpi_item' !== $typenow || empty( $vars['orderby'] ) ) {
-			return $vars;
-		}
-
-		// By item type.
-		if ( 'type' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_type',
-					'orderby'  => 'meta_value'
-				)
-			);
-		}
-
-		// By vat class.
-		if ( 'vat_class' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_vat_class',
-					'orderby'  => 'meta_value'
-				)
-			);
-		}
-
-		// By vat rule.
-		if ( 'vat_rule' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_vat_rule',
-					'orderby'  => 'meta_value'
-				)
-			);
-		}
-
-		// By price.
-		if ( 'price' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_price',
-					'orderby'  => 'meta_value_num'
-				)
-			);
-		}
-
-		return $vars;
-
-	}
-
-	/**
-	 * Fired when deleting a post.
-	 */
-	public static function delete_post( $post_id ) {
-
-		switch ( get_post_type( $post_id ) ) {
-
-			case 'wpi_item' :
-				do_action( "getpaid_before_delete_item", new WPInv_Item( $post_id ) );
-				break;
-
-			case 'wpi_payment_form' :
-				do_action( "getpaid_before_delete_payment_form", new GetPaid_Payment_Form( $post_id ) );
-				break;
-
-			case 'wpi_discount' :
-				do_action( "getpaid_before_delete_discount", new WPInv_Discount( $post_id ) );
-				break;
-
-			case 'wpi_invoice' :
-				$invoice = new WPInv_Invoice( $post_id );
-				do_action( "getpaid_before_delete_invoice", $invoice );
-				$invoice->get_data_store()->delete_items( $invoice );
-				$invoice->get_data_store()->delete_special_fields( $invoice );
-				break;
-		}
-	}
+        }
+
+    }
+
+    /**
+     * Reorders items.
+     */
+    public static function reorder_items( $vars ) {
+        global $typenow;
+
+        if ( 'wpi_item' !== $typenow || empty( $vars['orderby'] ) ) {
+            return $vars;
+        }
+
+        // By item type.
+        if ( 'type' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_type',
+                    'orderby'  => 'meta_value'
+                )
+            );
+        }
+
+        // By vat class.
+        if ( 'vat_class' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_vat_class',
+                    'orderby'  => 'meta_value'
+                )
+            );
+        }
+
+        // By vat rule.
+        if ( 'vat_rule' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_vat_rule',
+                    'orderby'  => 'meta_value'
+                )
+            );
+        }
+
+        // By price.
+        if ( 'price' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_price',
+                    'orderby'  => 'meta_value_num'
+                )
+            );
+        }
+
+        return $vars;
+
+    }
+
+    /**
+     * Fired when deleting a post.
+     */
+    public static function delete_post( $post_id ) {
+
+        switch ( get_post_type( $post_id ) ) {
+
+            case 'wpi_item' :
+                do_action( "getpaid_before_delete_item", new WPInv_Item( $post_id ) );
+                break;
+
+            case 'wpi_payment_form' :
+                do_action( "getpaid_before_delete_payment_form", new GetPaid_Payment_Form( $post_id ) );
+                break;
+
+            case 'wpi_discount' :
+                do_action( "getpaid_before_delete_discount", new WPInv_Discount( $post_id ) );
+                break;
+
+            case 'wpi_invoice' :
+                $invoice = new WPInv_Invoice( $post_id );
+                do_action( "getpaid_before_delete_invoice", $invoice );
+                $invoice->get_data_store()->delete_items( $invoice );
+                $invoice->get_data_store()->delete_special_fields( $invoice );
+                break;
+        }
+    }
 
 }

Spacing +201 added lines, -201 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Post types Admin Class
@@ -21,70 +21,70 @@ 
 		GetPaid_Metaboxes::init();
 
 		// Filter the post updated messages.
-		add_filter( 'post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages' );
+		add_filter('post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages');
 
 		// Filter post actions.
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2 );
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2 );
+		add_filter('post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2);
+		add_filter('post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2);
 
 		// Invoice table columns.
-		add_filter( 'manage_wpi_invoice_posts_columns', array( __CLASS__, 'invoice_columns' ), 100 );
-		add_action( 'manage_wpi_invoice_posts_custom_column', array( __CLASS__, 'display_invoice_columns' ), 10, 2 );
+		add_filter('manage_wpi_invoice_posts_columns', array(__CLASS__, 'invoice_columns'), 100);
+		add_action('manage_wpi_invoice_posts_custom_column', array(__CLASS__, 'display_invoice_columns'), 10, 2);
 
 		// Items table columns.
-		add_filter( 'manage_wpi_item_posts_columns', array( __CLASS__, 'item_columns' ), 100 );
-		add_filter( 'manage_edit-wpi_item_sortable_columns', array( __CLASS__, 'sortable_item_columns' ), 20 );
-		add_action( 'manage_wpi_item_posts_custom_column', array( __CLASS__, 'display_item_columns' ), 10, 2 );
-		add_action( 'restrict_manage_posts', array( __CLASS__, 'add_item_filters' ), 100 );
-		add_action( 'parse_query', array( __CLASS__, 'filter_item_query' ), 100 );
-		add_action( 'request', array( __CLASS__, 'reorder_items' ), 100 );
+		add_filter('manage_wpi_item_posts_columns', array(__CLASS__, 'item_columns'), 100);
+		add_filter('manage_edit-wpi_item_sortable_columns', array(__CLASS__, 'sortable_item_columns'), 20);
+		add_action('manage_wpi_item_posts_custom_column', array(__CLASS__, 'display_item_columns'), 10, 2);
+		add_action('restrict_manage_posts', array(__CLASS__, 'add_item_filters'), 100);
+		add_action('parse_query', array(__CLASS__, 'filter_item_query'), 100);
+		add_action('request', array(__CLASS__, 'reorder_items'), 100);
 
 		// Payment forms columns.
-		add_filter( 'manage_wpi_payment_form_posts_columns', array( __CLASS__, 'payment_form_columns' ), 100 );
-		add_action( 'manage_wpi_payment_form_posts_custom_column', array( __CLASS__, 'display_payment_form_columns' ), 10, 2 );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_payment_form_state' ), 10, 2 );
+		add_filter('manage_wpi_payment_form_posts_columns', array(__CLASS__, 'payment_form_columns'), 100);
+		add_action('manage_wpi_payment_form_posts_custom_column', array(__CLASS__, 'display_payment_form_columns'), 10, 2);
+		add_filter('display_post_states', array(__CLASS__, 'filter_payment_form_state'), 10, 2);
 
 		// Discount table columns.
-		add_filter( 'manage_wpi_discount_posts_columns', array( __CLASS__, 'discount_columns' ), 100 );
-		add_filter( 'bulk_actions-edit-wpi_discount', '__return_empty_array', 100 );
+		add_filter('manage_wpi_discount_posts_columns', array(__CLASS__, 'discount_columns'), 100);
+		add_filter('bulk_actions-edit-wpi_discount', '__return_empty_array', 100);
 
 		// Deleting posts.
-		add_action( 'delete_post', array( __CLASS__, 'delete_post' ) );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_discount_state' ), 10, 2 );
+		add_action('delete_post', array(__CLASS__, 'delete_post'));
+		add_filter('display_post_states', array(__CLASS__, 'filter_discount_state'), 10, 2);
 	}
 
 	/**
 	 * Post updated messages.
 	 */
-	public static function post_updated_messages( $messages ) {
+	public static function post_updated_messages($messages) {
 		global $post;
 
 		$messages['wpi_discount'] = array(
 			0   => '',
-			1   => __( 'Discount updated.', 'invoicing' ),
-			2   => __( 'Custom field updated.', 'invoicing' ),
-			3   => __( 'Custom field deleted.', 'invoicing' ),
-			4   => __( 'Discount updated.', 'invoicing' ),
-			5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Discount restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6   => __( 'Discount updated.', 'invoicing' ),
-			7   => __( 'Discount saved.', 'invoicing' ),
-			8   => __( 'Discount submitted.', 'invoicing' ),
-			9   => wp_sprintf( __( 'Discount scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10  => __( 'Discount draft updated.', 'invoicing' ),
+			1   => __('Discount updated.', 'invoicing'),
+			2   => __('Custom field updated.', 'invoicing'),
+			3   => __('Custom field deleted.', 'invoicing'),
+			4   => __('Discount updated.', 'invoicing'),
+			5   => isset($_GET['revision']) ? wp_sprintf(__('Discount restored to revision from %s', 'invoicing'), wp_post_revision_title((int) $_GET['revision'], false)) : false,
+			6   => __('Discount updated.', 'invoicing'),
+			7   => __('Discount saved.', 'invoicing'),
+			8   => __('Discount submitted.', 'invoicing'),
+			9   => wp_sprintf(__('Discount scheduled for: <strong>%1$s</strong>.', 'invoicing'), date_i18n(__('M j, Y @ G:i', 'invoicing'), strtotime($post->post_date))),
+			10  => __('Discount draft updated.', 'invoicing'),
 		);
 
 		$messages['wpi_payment_form'] = array(
 			0   => '',
-			1   => __( 'Payment Form updated.', 'invoicing' ),
-			2   => __( 'Custom field updated.', 'invoicing' ),
-			3   => __( 'Custom field deleted.', 'invoicing' ),
-			4   => __( 'Payment Form updated.', 'invoicing' ),
-			5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Payment Form restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6   => __( 'Payment Form updated.', 'invoicing' ),
-			7   => __( 'Payment Form saved.', 'invoicing' ),
-			8   => __( 'Payment Form submitted.', 'invoicing' ),
-			9   => wp_sprintf( __( 'Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10  => __( 'Payment Form draft updated.', 'invoicing' ),
+			1   => __('Payment Form updated.', 'invoicing'),
+			2   => __('Custom field updated.', 'invoicing'),
+			3   => __('Custom field deleted.', 'invoicing'),
+			4   => __('Payment Form updated.', 'invoicing'),
+			5   => isset($_GET['revision']) ? wp_sprintf(__('Payment Form restored to revision from %s', 'invoicing'), wp_post_revision_title((int) $_GET['revision'], false)) : false,
+			6   => __('Payment Form updated.', 'invoicing'),
+			7   => __('Payment Form saved.', 'invoicing'),
+			8   => __('Payment Form submitted.', 'invoicing'),
+			9   => wp_sprintf(__('Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing'), date_i18n(__('M j, Y @ G:i', 'invoicing'), strtotime($post->post_date))),
+			10  => __('Payment Form draft updated.', 'invoicing'),
 		);
 
 		return $messages;
@@ -94,14 +94,14 @@ 
 	/**
 	 * Post row actions.
 	 */
-	public static function post_row_actions( $actions, $post ) {
+	public static function post_row_actions($actions, $post) {
 
-		$post = get_post( $post );
+		$post = get_post($post);
 
 		// We do not want to edit the default payment form.
-		if ( 'wpi_payment_form' == $post->post_type && $post->ID == wpinv_get_default_payment_form() ) {
-			unset( $actions['trash'] );
-			unset( $actions['inline hide-if-no-js'] );
+		if ('wpi_payment_form' == $post->post_type && $post->ID == wpinv_get_default_payment_form()) {
+			unset($actions['trash']);
+			unset($actions['inline hide-if-no-js']);
 		}
 
 		return $actions;
@@ -115,31 +115,31 @@ 
 	 * @param WP_Post $post
      * @return array $actions actions without edit option
      */
-    public static function filter_invoice_row_actions( $actions, $post ) {
+    public static function filter_invoice_row_actions($actions, $post) {
 
-        if ( getpaid_is_invoice_post_type( $post->post_type ) ) {
+        if (getpaid_is_invoice_post_type($post->post_type)) {
 
 			$actions = array();
-			$invoice = new WPInv_Invoice( $post );
+			$invoice = new WPInv_Invoice($post);
 
-			$actions['edit'] =  sprintf(
+			$actions['edit'] = sprintf(
 				'<a href="%1$s">%2$s</a>',
-				esc_url( get_edit_post_link( $invoice->get_id() ) ),
-				esc_html( __( 'Edit', 'invoicing' ) )
+				esc_url(get_edit_post_link($invoice->get_id())),
+				esc_html(__('Edit', 'invoicing'))
 			);
 
-			if ( ! $invoice->is_draft() ) {
+			if (!$invoice->is_draft()) {
 
-				$actions['view'] =  sprintf(
+				$actions['view'] = sprintf(
 					'<a href="%1$s">%2$s</a>',
-					esc_url( $invoice->get_view_url() ),
+					esc_url($invoice->get_view_url()),
 					sprintf(
-						esc_html( __( 'View %s', 'invoicing' ) ),
-						getpaid_get_post_type_label( $invoice->get_post_type(), false )
+						esc_html(__('View %s', 'invoicing')),
+						getpaid_get_post_type_label($invoice->get_post_type(), false)
 					)
 				);
 
-				$actions['send'] =  sprintf(
+				$actions['send'] = sprintf(
 					'<a href="%1$s">%2$s</a>',
 					esc_url(
 						wp_nonce_url(
@@ -153,7 +153,7 @@ 
 							'getpaid-nonce'
 						)
 					),
-					esc_html( __( 'Send to Customer', 'invoicing' ) )
+					esc_html(__('Send to Customer', 'invoicing'))
 				);
 
 			}
@@ -166,50 +166,50 @@ 
 	/**
 	 * Returns an array of invoice table columns.
 	 */
-	public static function invoice_columns( $columns ) {
+	public static function invoice_columns($columns) {
 
 		$columns = array(
 			'cb'                => $columns['cb'],
-			'number'            => __( 'Invoice', 'invoicing' ),
-			'customer'          => __( 'Customer', 'invoicing' ),
-			'invoice_date'      => __( 'Date', 'invoicing' ),
-			'amount'            => __( 'Amount', 'invoicing' ),
-			'recurring'         => __( 'Recurring', 'invoicing' ),
-			'status'            => __( 'Status', 'invoicing' ),
+			'number'            => __('Invoice', 'invoicing'),
+			'customer'          => __('Customer', 'invoicing'),
+			'invoice_date'      => __('Date', 'invoicing'),
+			'amount'            => __('Amount', 'invoicing'),
+			'recurring'         => __('Recurring', 'invoicing'),
+			'status'            => __('Status', 'invoicing'),
 		);
 
-		return apply_filters( 'wpi_invoice_table_columns', $columns );
+		return apply_filters('wpi_invoice_table_columns', $columns);
 	}
 
 	/**
 	 * Displays invoice table columns.
 	 */
-	public static function display_invoice_columns( $column_name, $post_id ) {
+	public static function display_invoice_columns($column_name, $post_id) {
 
-		$invoice = new WPInv_Invoice( $post_id );
+		$invoice = new WPInv_Invoice($post_id);
 
-		switch ( $column_name ) {
+		switch ($column_name) {
 
 			case 'invoice_date' :
-				$date_time = esc_attr( $invoice->get_created_date() );
-				$date      = getpaid_format_date_value( $date_time );
+				$date_time = esc_attr($invoice->get_created_date());
+				$date      = getpaid_format_date_value($date_time);
 				echo "<span title='$date_time'>$date</span>";
 				break;
 
 			case 'amount' :
 
 				$amount = $invoice->get_total();
-				$formated_amount = wpinv_price( $amount, $invoice->get_currency() );
+				$formated_amount = wpinv_price($amount, $invoice->get_currency());
 
-				if ( $invoice->is_refunded() ) {
-					$refunded_amount = wpinv_price( 0, $invoice->get_currency() );
+				if ($invoice->is_refunded()) {
+					$refunded_amount = wpinv_price(0, $invoice->get_currency());
 					echo "<del>$formated_amount</del>&nbsp;<ins>$refunded_amount</ins>";
 				} else {
 
 					$discount = $invoice->get_total_discount();
 
-					if ( ! empty( $discount ) ) {
-						$new_amount = wpinv_price( $amount + $discount, $invoice->get_currency() );
+					if (!empty($discount)) {
+						$new_amount = wpinv_price($amount + $discount, $invoice->get_currency());
 						echo "<del>$new_amount</del>&nbsp;<ins>$formated_amount</ins>";
 					} else {
 						echo $formated_amount;
@@ -220,13 +220,13 @@ 
 				break;
 
 			case 'status' :
-				$status       = sanitize_text_field( $invoice->get_status() );
-				$status_label = sanitize_text_field( $invoice->get_status_nicename() );
+				$status       = sanitize_text_field($invoice->get_status());
+				$status_label = sanitize_text_field($invoice->get_status_nicename());
 
 				// If it is paid, show the gateway title.
-				if ( $invoice->is_paid() ) {
-					$gateway = sanitize_text_field( $invoice->get_gateway_title() );
-					$gateway = wp_sprintf( esc_attr__( 'Paid via %s', 'invoicing' ), $gateway );
+				if ($invoice->is_paid()) {
+					$gateway = sanitize_text_field($invoice->get_gateway_title());
+					$gateway = wp_sprintf(esc_attr__('Paid via %s', 'invoicing'), $gateway);
 
 					echo "<mark class='wpi-help-tip getpaid-invoice-status $status' title='$gateway'><span>$status_label</span></mark>";
 				} else {
@@ -234,22 +234,22 @@ 
 				}
 
 				// If it is not paid, display the overdue and view status.
-				if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
+				if (!$invoice->is_paid() && !$invoice->is_refunded()) {
 
 					// Invoice view status.
-					if ( wpinv_is_invoice_viewed( $invoice->get_id() ) ) {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="'. esc_attr__( 'Viewed by Customer', 'invoicing' ).'"></i>';
+					if (wpinv_is_invoice_viewed($invoice->get_id())) {
+						echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="' . esc_attr__('Viewed by Customer', 'invoicing') . '"></i>';
 					} else {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="'. esc_attr__( 'Not Viewed by Customer', 'invoicing' ).'"></i>';
+						echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="' . esc_attr__('Not Viewed by Customer', 'invoicing') . '"></i>';
 					}
 
 					// Display the overview status.
-					if ( wpinv_get_option( 'overdue_active' ) ) {
+					if (wpinv_get_option('overdue_active')) {
 						$due_date = $invoice->get_due_date();
-						$fomatted = getpaid_format_date( $due_date );
+						$fomatted = getpaid_format_date($due_date);
 
-						if ( ! empty( $fomatted ) ) {
-							$date = wp_sprintf( __( 'Due %s', 'invoicing' ), $fomatted );
+						if (!empty($fomatted)) {
+							$date = wp_sprintf(__('Due %s', 'invoicing'), $fomatted);
 							echo "<p class='description' style='color: #888;' title='$due_date'>$fomatted</p>";
 						}
 					}
@@ -260,7 +260,7 @@ 
 
 			case 'recurring':
 
-				if ( $invoice->is_recurring() ) {
+				if ($invoice->is_recurring()) {
 					echo '<i class="fa fa-check" style="color:#43850a;"></i>';
 				} else {
 					echo '<i class="fa fa-times" style="color:#616161;"></i>';
@@ -269,9 +269,9 @@ 
 
 			case 'number' :
 
-				$edit_link       = esc_url( get_edit_post_link( $invoice->get_id() ) );
-				$invoice_number  = sanitize_text_field( $invoice->get_number() );
-				$invoice_details = esc_attr__( 'View Invoice Details', 'invoicing' );
+				$edit_link       = esc_url(get_edit_post_link($invoice->get_id()));
+				$invoice_number  = sanitize_text_field($invoice->get_number());
+				$invoice_details = esc_attr__('View Invoice Details', 'invoicing');
 
 				echo "<a href='$edit_link' title='$invoice_details'><strong>$invoice_number</strong></a>";
 
@@ -281,13 +281,13 @@ 
 	
 				$customer_name = $invoice->get_user_full_name();
 	
-				if ( empty( $customer_name ) ) {
+				if (empty($customer_name)) {
 					$customer_name = $invoice->get_email();
 				}
 	
-				if ( ! empty( $customer_name ) ) {
-					$customer_details = esc_attr__( 'View Customer Details', 'invoicing' );
-					$view_link        = esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), admin_url( 'user-edit.php' ) ) );
+				if (!empty($customer_name)) {
+					$customer_details = esc_attr__('View Customer Details', 'invoicing');
+					$view_link        = esc_url(add_query_arg('user_id', $invoice->get_user_id(), admin_url('user-edit.php')));
 					echo "<a href='$view_link' title='$customer_details'><span>$customer_name</span></a>";
 				} else {
 					echo '<div>&mdash;</div>';
@@ -302,50 +302,50 @@ 
 	/**
 	 * Returns an array of payment forms table columns.
 	 */
-	public static function payment_form_columns( $columns ) {
+	public static function payment_form_columns($columns) {
 
 		$columns = array(
 			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'shortcode'         => __( 'Shortcode', 'invoicing' ),
-			'earnings'          => __( 'Revenue', 'invoicing' ),
-			'refunds'           => __( 'Refunded', 'invoicing' ),
-			'items'             => __( 'Items', 'invoicing' ),
-			'date'              => __( 'Date', 'invoicing' ),
+			'title'             => __('Name', 'invoicing'),
+			'shortcode'         => __('Shortcode', 'invoicing'),
+			'earnings'          => __('Revenue', 'invoicing'),
+			'refunds'           => __('Refunded', 'invoicing'),
+			'items'             => __('Items', 'invoicing'),
+			'date'              => __('Date', 'invoicing'),
 		);
 
-		return apply_filters( 'wpi_payment_form_table_columns', $columns );
+		return apply_filters('wpi_payment_form_table_columns', $columns);
 
 	}
 
 	/**
 	 * Displays payment form table columns.
 	 */
-	public static function display_payment_form_columns( $column_name, $post_id ) {
+	public static function display_payment_form_columns($column_name, $post_id) {
 
 		// Retrieve the payment form.
-		$form = new GetPaid_Payment_Form( $post_id );
+		$form = new GetPaid_Payment_Form($post_id);
 
-		switch ( $column_name ) {
+		switch ($column_name) {
 
 			case 'earnings' :
-				echo wpinv_price( $form->get_earned() );
+				echo wpinv_price($form->get_earned());
 				break;
 
 			case 'refunds' :
-				echo wpinv_price( $form->get_refunded() );
+				echo wpinv_price($form->get_refunded());
 				break;
 
 			case 'refunds' :
-				echo wpinv_price( $form->get_refunded() );
+				echo wpinv_price($form->get_refunded());
 				break;
 
 			case 'shortcode' :
 
-				if ( $form->is_default() ) {
+				if ($form->is_default()) {
 					echo '&mdash;';
 				} else {
-					echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr( $form->get_id() ) . ']" style="width: 100%;" readonly/>';
+					echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr($form->get_id()) . ']" style="width: 100%;" readonly/>';
 				}
 
 				break;
@@ -354,29 +354,29 @@ 
 
 				$items = $form->get_items();
 
-				if ( $form->is_default() || empty( $items ) ) {
+				if ($form->is_default() || empty($items)) {
 					echo '&mdash;';
 					return;
 				}
 
 				$_items = array();
 
-				foreach ( $items as $item ) {
+				foreach ($items as $item) {
 					$url = $item->get_edit_url();
 
-					if ( empty( $url ) ) {
-						$_items[] = sanitize_text_field( $item->get_name() );
+					if (empty($url)) {
+						$_items[] = sanitize_text_field($item->get_name());
 					} else {
 						$_items[] = sprintf(
 							'<a href="%s">%s</a>',
-							esc_url( $url ),
-							sanitize_text_field( $item->get_name() )
+							esc_url($url),
+							sanitize_text_field($item->get_name())
 						);
 					}
 
 				}
 
-				echo implode( '<br>', $_items );
+				echo implode('<br>', $_items);
 
 				break;
 
@@ -387,10 +387,10 @@ 
 	/**
 	 * Filters post states.
 	 */
-	public static function filter_payment_form_state( $post_states, $post ) {
+	public static function filter_payment_form_state($post_states, $post) {
 
-		if ( 'wpi_payment_form' == $post->post_type && wpinv_get_default_payment_form() == $post->ID ) {
-			$post_states[ 'default_form' ] = __( 'Default Payment Form', 'invoicing' );
+		if ('wpi_payment_form' == $post->post_type && wpinv_get_default_payment_form() == $post->ID) {
+			$post_states['default_form'] = __('Default Payment Form', 'invoicing');
 		}
 	
 		return $post_states;
@@ -400,35 +400,35 @@ 
 	/**
 	 * Returns an array of coupon table columns.
 	 */
-	public static function discount_columns( $columns ) {
+	public static function discount_columns($columns) {
 
 		$columns = array(
 			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'code'              => __( 'Code', 'invoicing' ),
-			'amount'            => __( 'Amount', 'invoicing' ),
-			'usage'             => __( 'Usage / Limit', 'invoicing' ),
-			'start_date'        => __( 'Start Date', 'invoicing' ),
-			'expiry_date'       => __( 'Expiry Date', 'invoicing' ),
+			'title'             => __('Name', 'invoicing'),
+			'code'              => __('Code', 'invoicing'),
+			'amount'            => __('Amount', 'invoicing'),
+			'usage'             => __('Usage / Limit', 'invoicing'),
+			'start_date'        => __('Start Date', 'invoicing'),
+			'expiry_date'       => __('Expiry Date', 'invoicing'),
 		);
 
-		return apply_filters( 'wpi_discount_table_columns', $columns );
+		return apply_filters('wpi_discount_table_columns', $columns);
 	}
 
 	/**
 	 * Filters post states.
 	 */
-	public static function filter_discount_state( $post_states, $post ) {
+	public static function filter_discount_state($post_states, $post) {
 
-		if ( 'wpi_discount' == $post->post_type ) {
+		if ('wpi_discount' == $post->post_type) {
 
-			$discount = new WPInv_Discount( $post );
+			$discount = new WPInv_Discount($post);
 
 			$status = $discount->is_expired() ? 'expired' : $discount->get_status();
 
-			if ( $status != 'publish' ) {
+			if ($status != 'publish') {
 				return array(
-					'discount_status' => wpinv_discount_status( $status ),
+					'discount_status' => wpinv_discount_status($status),
 				);
 			}
 
@@ -443,30 +443,30 @@ 
 	/**
 	 * Returns an array of items table columns.
 	 */
-	public static function item_columns( $columns ) {
+	public static function item_columns($columns) {
 
 		$columns = array(
 			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'price'             => __( 'Price', 'invoicing' ),
-			'vat_rule'          => __( 'VAT rule', 'invoicing' ),
-			'vat_class'         => __( 'VAT class', 'invoicing' ),
-			'type'              => __( 'Type', 'invoicing' ),
-			'shortcode'         => __( 'Shortcode', 'invoicing' ),
+			'title'             => __('Name', 'invoicing'),
+			'price'             => __('Price', 'invoicing'),
+			'vat_rule'          => __('VAT rule', 'invoicing'),
+			'vat_class'         => __('VAT class', 'invoicing'),
+			'type'              => __('Type', 'invoicing'),
+			'shortcode'         => __('Shortcode', 'invoicing'),
 		);
 
-		if ( ! wpinv_use_taxes() ) {
-			unset( $columns['vat_rule'] );
-			unset( $columns['vat_class'] );
+		if (!wpinv_use_taxes()) {
+			unset($columns['vat_rule']);
+			unset($columns['vat_class']);
 		}
 
-		return apply_filters( 'wpi_item_table_columns', $columns );
+		return apply_filters('wpi_item_table_columns', $columns);
 	}
 
 	/**
 	 * Returns an array of sortable items table columns.
 	 */
-	public static function sortable_item_columns( $columns ) {
+	public static function sortable_item_columns($columns) {
 
 		return array_merge(
 			$columns,
@@ -483,49 +483,49 @@ 
 	/**
 	 * Displays items table columns.
 	 */
-	public static function display_item_columns( $column_name, $post_id ) {
+	public static function display_item_columns($column_name, $post_id) {
  
-		$item = new WPInv_Item( $post_id );
+		$item = new WPInv_Item($post_id);
 
-		switch ( $column_name ) {
+		switch ($column_name) {
 
 			case 'price' :
 
-				if ( ! $item->is_recurring() ) {
+				if (!$item->is_recurring()) {
 					echo $item->get_the_price();
 					break;
 				}
 
 				$price = wp_sprintf(
-					__( '%s / %s', 'invoicing' ),
+					__('%s / %s', 'invoicing'),
 					$item->get_the_price(),
-					getpaid_get_subscription_period_label( $item->get_recurring_period(), $item->get_recurring_interval(), '' )
+					getpaid_get_subscription_period_label($item->get_recurring_period(), $item->get_recurring_interval(), '')
 				);
 
-				if ( $item->get_the_price() == $item->get_the_initial_price() ) {
+				if ($item->get_the_price() == $item->get_the_initial_price()) {
 					echo $price;
 					break;
 				}
 
 				echo $item->get_the_initial_price();
 
-				echo '<span class="meta">' . wp_sprintf( __( 'then %s', 'invoicing' ), $price )  .'</span>';
+				echo '<span class="meta">' . wp_sprintf(__('then %s', 'invoicing'), $price) . '</span>';
 				break;
 
 			case 'vat_rule' :
-				echo getpaid_get_tax_rule_label( $item->get_vat_rule() );
+				echo getpaid_get_tax_rule_label($item->get_vat_rule());
 				break;
 
 			case 'vat_class' :
-				echo getpaid_get_tax_class_label( $item->get_vat_class() );
+				echo getpaid_get_tax_class_label($item->get_vat_class());
 				break;
 
 			case 'shortcode' :
-				echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr( $item->get_id() ) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
+				echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr($item->get_id()) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
 				break;
 
 			case 'type' :
-				echo wpinv_item_type( $item->get_id() ) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>';
+				echo wpinv_item_type($item->get_id()) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>';
 				break;
 
 		}
@@ -535,21 +535,21 @@ 
 	/**
 	 * Lets users filter items using taxes.
 	 */
-	public static function add_item_filters( $post_type ) {
+	public static function add_item_filters($post_type) {
 
 		// Abort if we're not dealing with items.
-		if ( $post_type != 'wpi_item' ) {
+		if ($post_type != 'wpi_item') {
 			return;
 		}
 
 		// Filter by vat rules.
-		if ( wpinv_use_taxes() ) {
+		if (wpinv_use_taxes()) {
 	
 			// Sanitize selected vat rule.
 			$vat_rule   = '';
 			$vat_rules  = getpaid_get_tax_rules();
-			if ( isset( $_GET['vat_rule'] ) ) {
-				$vat_rule   =  $_GET['vat_rule'];
+			if (isset($_GET['vat_rule'])) {
+				$vat_rule = $_GET['vat_rule'];
 			}
 
 			// Filter by VAT rule.
@@ -557,13 +557,13 @@ 
 				array(
 					'options'          => array_merge(
 						array(
-							'' => __( 'All VAT rules', 'invoicing' )
+							'' => __('All VAT rules', 'invoicing')
 						),
 						$vat_rules
 					),
 					'name'             => 'vat_rule',
 					'id'               => 'vat_rule',
-					'selected'         => in_array( $vat_rule, array_keys( $vat_rules ) ) ? $vat_rule : '',
+					'selected'         => in_array($vat_rule, array_keys($vat_rules)) ? $vat_rule : '',
 					'show_option_all'  => false,
 					'show_option_none' => false,
 				)
@@ -574,21 +574,21 @@ 
 			// Sanitize selected vat rule.
 			$vat_class   = '';
 			$vat_classes = getpaid_get_tax_classes();
-			if ( isset( $_GET['vat_class'] ) ) {
-				$vat_class   =  $_GET['vat_class'];
+			if (isset($_GET['vat_class'])) {
+				$vat_class = $_GET['vat_class'];
 			}
 
 			echo wpinv_html_select(
 				array(
 					'options'          => array_merge(
 						array(
-							'' => __( 'All VAT classes', 'invoicing' )
+							'' => __('All VAT classes', 'invoicing')
 						),
 						$vat_classes
 					),
 					'name'             => 'vat_class',
 					'id'               => 'vat_class',
-					'selected'         => in_array( $vat_class, array_keys( $vat_classes ) ) ? $vat_class : '',
+					'selected'         => in_array($vat_class, array_keys($vat_classes)) ? $vat_class : '',
 					'show_option_all'  => false,
 					'show_option_none' => false,
 				)
@@ -597,22 +597,22 @@ 
 		}
 
 		// Filter by item type.
-		$type   = '';
-		if ( isset( $_GET['type'] ) ) {
-			$type   =  $_GET['type'];
+		$type = '';
+		if (isset($_GET['type'])) {
+			$type = $_GET['type'];
 		}
 
 		echo wpinv_html_select(
 			array(
 				'options'          => array_merge(
 					array(
-						'' => __( 'All item types', 'invoicing' )
+						'' => __('All item types', 'invoicing')
 					),
 					wpinv_get_item_types()
 				),
 				'name'             => 'type',
 				'id'               => 'type',
-				'selected'         => in_array( $type, wpinv_item_types() ) ? $type : '',
+				'selected'         => in_array($type, wpinv_item_types()) ? $type : '',
 				'show_option_all'  => false,
 				'show_option_none' => false,
 			)
@@ -623,45 +623,45 @@ 
 	/**
 	 * Filters the item query.
 	 */
-	public static function filter_item_query( $query ) {
+	public static function filter_item_query($query) {
 
 		// modify the query only if it admin and main query.
-		if ( ! ( is_admin() && $query->is_main_query() ) ){ 
+		if (!(is_admin() && $query->is_main_query())) { 
 			return $query;
 		}
 
 		// we want to modify the query for our items.
-		if ( 'wpi_item' != $query->query['post_type'] ){
+		if ('wpi_item' != $query->query['post_type']) {
 			return $query;
 		}
 
-		if ( empty( $query->query_vars['meta_query'] ) ) {
+		if (empty($query->query_vars['meta_query'])) {
 			$query->query_vars['meta_query'] = array();
 		}
 
 		// Filter vat rule type
-        if ( ! empty( $_GET['vat_rule'] ) ) {
+        if (!empty($_GET['vat_rule'])) {
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_vat_rule',
-                'value'   => sanitize_text_field( $_GET['vat_rule'] ),
+                'value'   => sanitize_text_field($_GET['vat_rule']),
                 'compare' => '='
             );
         }
 
         // Filter vat class
-        if ( ! empty( $_GET['vat_class'] ) ) {
+        if (!empty($_GET['vat_class'])) {
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_vat_class',
-                'value'   => sanitize_text_field( $_GET['vat_class'] ),
+                'value'   => sanitize_text_field($_GET['vat_class']),
                 'compare' => '='
             );
         }
 
         // Filter item type
-        if ( ! empty( $_GET['type'] ) ) {
+        if (!empty($_GET['type'])) {
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_type',
-                'value'   => sanitize_text_field( $_GET['type'] ),
+                'value'   => sanitize_text_field($_GET['type']),
                 'compare' => '='
             );
 		}
@@ -671,15 +671,15 @@ 
 	/**
 	 * Reorders items.
 	 */
-	public static function reorder_items( $vars ) {
+	public static function reorder_items($vars) {
 		global $typenow;
 
-		if ( 'wpi_item' !== $typenow || empty( $vars['orderby'] ) ) {
+		if ('wpi_item' !== $typenow || empty($vars['orderby'])) {
 			return $vars;
 		}
 
 		// By item type.
-		if ( 'type' == $vars['orderby'] ) {
+		if ('type' == $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -690,7 +690,7 @@ 
 		}
 
 		// By vat class.
-		if ( 'vat_class' == $vars['orderby'] ) {
+		if ('vat_class' == $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -701,7 +701,7 @@ 
 		}
 
 		// By vat rule.
-		if ( 'vat_rule' == $vars['orderby'] ) {
+		if ('vat_rule' == $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -712,7 +712,7 @@ 
 		}
 
 		// By price.
-		if ( 'price' == $vars['orderby'] ) {
+		if ('price' == $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -729,27 +729,27 @@ 
 	/**
 	 * Fired when deleting a post.
 	 */
-	public static function delete_post( $post_id ) {
+	public static function delete_post($post_id) {
 
-		switch ( get_post_type( $post_id ) ) {
+		switch (get_post_type($post_id)) {
 
 			case 'wpi_item' :
-				do_action( "getpaid_before_delete_item", new WPInv_Item( $post_id ) );
+				do_action("getpaid_before_delete_item", new WPInv_Item($post_id));
 				break;
 
 			case 'wpi_payment_form' :
-				do_action( "getpaid_before_delete_payment_form", new GetPaid_Payment_Form( $post_id ) );
+				do_action("getpaid_before_delete_payment_form", new GetPaid_Payment_Form($post_id));
 				break;
 
 			case 'wpi_discount' :
-				do_action( "getpaid_before_delete_discount", new WPInv_Discount( $post_id ) );
+				do_action("getpaid_before_delete_discount", new WPInv_Discount($post_id));
 				break;
 
 			case 'wpi_invoice' :
-				$invoice = new WPInv_Invoice( $post_id );
-				do_action( "getpaid_before_delete_invoice", $invoice );
-				$invoice->get_data_store()->delete_items( $invoice );
-				$invoice->get_data_store()->delete_special_fields( $invoice );
+				$invoice = new WPInv_Invoice($post_id);
+				do_action("getpaid_before_delete_invoice", $invoice);
+				$invoice->get_data_store()->delete_items($invoice);
+				$invoice->get_data_store()->delete_special_fields($invoice);
 				break;
 		}
 	}

includes/admin/meta-boxes/class-getpaid-meta-box-invoice-items.php

Spacing +68 added lines, -68 removed lines

@@ -7,7 +7,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
@@ -21,51 +21,51 @@ 
 	 *
 	 * @param WP_Post $post
 	 */
-    public static function output( $post ) {
+    public static function output($post) {
 
         // Prepare the invoice.
-        $invoice = new WPInv_Invoice( $post );
+        $invoice = new WPInv_Invoice($post);
 
         // Invoice items.
         $items = $invoice->get_items();
 
         // New item url.
-        $new_item = admin_url( 'post-new.php?post_type=wpi_item' );
+        $new_item = admin_url('post-new.php?post_type=wpi_item');
 
         // Totals.
-        $total = wpinv_price( $invoice->get_total(), $invoice->get_currency() );
+        $total = wpinv_price($invoice->get_total(), $invoice->get_currency());
 
-        if ( $invoice->is_recurring() && $invoice->is_parent() && $invoice->get_total() != $invoice->get_recurring_total() ) {
-            $recurring_total = wpinv_price( $invoice->get_recurring_total(), $invoice->get_currency() );
-            $total          .= '<small class="form-text text-muted">' . sprintf( __( 'Recurring Price: %s', 'invoicing' ), $recurring_total ) . '</small>';
+        if ($invoice->is_recurring() && $invoice->is_parent() && $invoice->get_total() != $invoice->get_recurring_total()) {
+            $recurring_total = wpinv_price($invoice->get_recurring_total(), $invoice->get_currency());
+            $total          .= '<small class="form-text text-muted">' . sprintf(__('Recurring Price: %s', 'invoicing'), $recurring_total) . '</small>';
         }
 
         $totals = array(
 
             'subtotal'  => array(
-                'label' => __( 'Items Subtotal', 'invoicing' ),
-                'value' => wpinv_price( $invoice->get_subtotal(), $invoice->get_currency() ),
+                'label' => __('Items Subtotal', 'invoicing'),
+                'value' => wpinv_price($invoice->get_subtotal(), $invoice->get_currency()),
             ),
 
             'discount'  => array(
-                'label' => __( 'Total Discount', 'invoicing' ),
-                'value' => wpinv_price( $invoice->get_total_discount(), $invoice->get_currency() ),
+                'label' => __('Total Discount', 'invoicing'),
+                'value' => wpinv_price($invoice->get_total_discount(), $invoice->get_currency()),
             ),
 
             'tax'       => array(
-                'label' => __( 'Total Tax', 'invoicing' ),
-                'value' => wpinv_price( $invoice->get_total_tax(), $invoice->get_currency() ),
+                'label' => __('Total Tax', 'invoicing'),
+                'value' => wpinv_price($invoice->get_total_tax(), $invoice->get_currency()),
             ),
 
             'total'     => array(
-                'label' => __( 'Invoice Total', 'invoicing' ),
+                'label' => __('Invoice Total', 'invoicing'),
                 'value' => $total,
             )
         );
 
 
-        if ( ! wpinv_use_taxes() ) {
-            unset( $totals['tax'] );
+        if (!wpinv_use_taxes()) {
+            unset($totals['tax']);
         }
         ?>
 
@@ -81,10 +81,10 @@ 
             }
         </style>
 
-                <div class="bsui getpaid-invoice-items-inner <?php echo sanitize_html_class( $invoice->get_template( 'edit' ) ); ?> <?php echo empty( $items ) ? 'no-items' : 'has-items'; ?> <?php echo $invoice->is_paid() || $invoice->is_refunded() ? 'not-editable' : 'editable'; ?>" style="margin-top: 1.5rem">
+                <div class="bsui getpaid-invoice-items-inner <?php echo sanitize_html_class($invoice->get_template('edit')); ?> <?php echo empty($items) ? 'no-items' : 'has-items'; ?> <?php echo $invoice->is_paid() || $invoice->is_refunded() ? 'not-editable' : 'editable'; ?>" style="margin-top: 1.5rem">
 
-                    <?php if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) : ?>
-                        <?php do_action( 'wpinv_meta_box_before_invoice_template_row', $invoice->get_id() ); ?>
+                    <?php if (!$invoice->is_paid() && !$invoice->is_refunded()) : ?>
+                        <?php do_action('wpinv_meta_box_before_invoice_template_row', $invoice->get_id()); ?>
 
                         <div class="row">
                             <div class="col-12 col-sm-6">
@@ -93,15 +93,15 @@ 
                                         array(
                                             'id'          => 'wpinv_template',
                                             'name'        => 'wpinv_template',
-                                            'label'       => __( 'Template', 'invoicing' ),
+                                            'label'       => __('Template', 'invoicing'),
                                             'label_type'  => 'vertical',
-                                            'placeholder' => __( 'Choose a template', 'invoicing' ),
+                                            'placeholder' => __('Choose a template', 'invoicing'),
                                             'class'       => 'form-control-sm',
-                                            'value'       => $invoice->get_template( 'edit' ),
+                                            'value'       => $invoice->get_template('edit'),
                                             'options'     => array(
-                                                'quantity' => __( 'Quantity', 'invoicing' ),
-                                                'hours'    => __( 'Hours', 'invoicing' ),
-                                                'amount'   => __( 'Amount Only', 'invoicing' ),
+                                                'quantity' => __('Quantity', 'invoicing'),
+                                                'hours'    => __('Hours', 'invoicing'),
+                                                'amount'   => __('Amount Only', 'invoicing'),
                                             ),
                                             'data-allow-clear' => 'false',
                                             'select2'          => true,
@@ -117,11 +117,11 @@ 
                                         array(
                                             'id'          => 'wpinv_currency',
                                             'name'        => 'wpinv_currency',
-                                            'label'       => __( 'Currency', 'invoicing' ),
+                                            'label'       => __('Currency', 'invoicing'),
                                             'label_type'  => 'vertical',
-                                            'placeholder' => __( 'Select Invoice Currency', 'invoicing' ),
+                                            'placeholder' => __('Select Invoice Currency', 'invoicing'),
                                             'class'       => 'form-control-sm',
-                                            'value'       => $invoice->get_currency( 'edit' ),
+                                            'value'       => $invoice->get_currency('edit'),
                                             'required'    => false,
                                             'data-allow-clear' => 'false',
                                             'select2'          => true,
@@ -133,24 +133,24 @@ 
                             </div>
                         </div>
 
-                        <?php do_action( 'wpinv_meta_box_invoice_template_row', $invoice->get_id() ); ?>
+                        <?php do_action('wpinv_meta_box_invoice_template_row', $invoice->get_id()); ?>
                     <?php endif; ?>
 
                     <table cellpadding="0" cellspacing="0" class="getpaid_invoice_items">
                         <thead>
                             <tr>
-                                <th class="getpaid-item" colspan="2"><?php _e( 'Item', 'invoicing' ) ?></th>
+                                <th class="getpaid-item" colspan="2"><?php _e('Item', 'invoicing') ?></th>
                                 <th class="getpaid-quantity hide-if-amount text-right">
-                                    <span class="getpaid-hide-if-hours"><?php _e( 'Quantity', 'invoicing' ) ?></span>
-                                    <span class="getpaid-hide-if-quantity"><?php _e( 'Hours', 'invoicing' ) ?></span>
+                                    <span class="getpaid-hide-if-hours"><?php _e('Quantity', 'invoicing') ?></span>
+                                    <span class="getpaid-hide-if-quantity"><?php _e('Hours', 'invoicing') ?></span>
                                 </th>
                                 <th class="getpaid-price hide-if-amount text-right">
-                                    <span class="getpaid-hide-if-hours"><?php _e( 'Price', 'invoicing' ) ?></span>
-                                    <span class="getpaid-hide-if-quantity"><?php _e( 'Rate', 'invoicing' ) ?></span>
+                                    <span class="getpaid-hide-if-hours"><?php _e('Price', 'invoicing') ?></span>
+                                    <span class="getpaid-hide-if-quantity"><?php _e('Rate', 'invoicing') ?></span>
                                 </th>
                                 <th class="getpaid-item-subtotal text-right">
-                                    <span class="getpaid-hide-if-hours getpaid-hide-if-quantity"><?php _e( 'Amount', 'invoicing' ) ?></span>
-                                    <span class="hide-if-amount"><?php _e( 'Total', 'invoicing' ) ?></span>
+                                    <span class="getpaid-hide-if-hours getpaid-hide-if-quantity"><?php _e('Amount', 'invoicing') ?></span>
+                                    <span class="hide-if-amount"><?php _e('Total', 'invoicing') ?></span>
                                 </th>
                                 <th class="getpaid-item-actions hide-if-not-editable" width="70px">&nbsp;</th>
                             </tr>
@@ -158,8 +158,8 @@ 
 		                <tbody class="getpaid_invoice_line_items">
                             <tr class="hide-if-has-items hide-if-not-editable">
                                 <td colspan="2" class="pt-4 pb-4">
-                                    <button type="button" class="button button-primary add-invoice-item" data-toggle="modal" data-target="#getpaid-add-items-to-invoice"><?php _e( 'Add Existing Items', 'invoicing' ) ?></button>
-	                                <a href="<?php echo esc_url( $new_item ); ?>" target="_blank" class="button button-secondary"><?php _e( 'Create New Item', 'invoicing' ) ?></a>
+                                    <button type="button" class="button button-primary add-invoice-item" data-toggle="modal" data-target="#getpaid-add-items-to-invoice"><?php _e('Add Existing Items', 'invoicing') ?></button>
+	                                <a href="<?php echo esc_url($new_item); ?>" target="_blank" class="button button-secondary"><?php _e('Create New Item', 'invoicing') ?></a>
                                 </td>
                                 <td class="hide-if-amount">&nbsp;</th>
                                 <td class="hide-if-amount">&nbsp;</th>
@@ -191,11 +191,11 @@ 
                             <div class="col-12 col-sm-6 offset-sm-6">
                                 <table class="getpaid-invoice-totals text-right w-100">
                                     <tbody>
-                                        <?php foreach ( apply_filters( 'getpaid_invoice_subtotal_rows', $totals, $invoice ) as $key => $data ) : ?>
-                                            <tr class="getpaid-totals-<?php echo sanitize_html_class( $key ); ?>">
-                                                <td class="label"><?php echo sanitize_text_field( $data['label'] ) ?>:</td>
+                                        <?php foreach (apply_filters('getpaid_invoice_subtotal_rows', $totals, $invoice) as $key => $data) : ?>
+                                            <tr class="getpaid-totals-<?php echo sanitize_html_class($key); ?>">
+                                                <td class="label"><?php echo sanitize_text_field($data['label']) ?>:</td>
                                                 <td width="1%"></td>
-                                                <td class="value"><?php echo wp_kses_post( $data['value'] ) ?></td>
+                                                <td class="value"><?php echo wp_kses_post($data['value']) ?></td>
                                             </tr>
                                         <?php endforeach; ?>
                                     </tbody>
@@ -208,18 +208,18 @@ 
                     <div class="getpaid-invoice-item-actions hide-if-no-items hide-if-not-editable">
                         <div class="row">
                             <div class="text-left col-12 col-sm-8">
-                                <button type="button" class="button add-invoice-item" data-toggle="modal" data-target="#getpaid-add-items-to-invoice"><?php _e( 'Add Existing Item', 'invoicing' ) ?></button>
-                                <a href="<?php echo esc_url( $new_item ); ?>" target="_blank" class="button button-secondary"><?php _e( 'Create New Item', 'invoicing' ) ?></a>
-                                <?php do_action( 'getpaid-invoice-items-actions', $invoice ); ?>
+                                <button type="button" class="button add-invoice-item" data-toggle="modal" data-target="#getpaid-add-items-to-invoice"><?php _e('Add Existing Item', 'invoicing') ?></button>
+                                <a href="<?php echo esc_url($new_item); ?>" target="_blank" class="button button-secondary"><?php _e('Create New Item', 'invoicing') ?></a>
+                                <?php do_action('getpaid-invoice-items-actions', $invoice); ?>
                             </div>
                             <div class="text-right col-12 col-sm-4">
-                                <button type="button" class="button button-primary recalculate-totals-button"><?php _e( 'Recalculate Totals', 'invoicing' ) ?></button>
+                                <button type="button" class="button button-primary recalculate-totals-button"><?php _e('Recalculate Totals', 'invoicing') ?></button>
                             </div>
                         </div>
                     </div>
 
                     <div class="getpaid-invoice-item-actions hide-if-editable">
-                        <p class="description m-2 text-right text-muted"><?php _e( 'This invoice is no longer editable', 'invoicing' ); ?></p>
+                        <p class="description m-2 text-right text-muted"><?php _e('This invoice is no longer editable', 'invoicing'); ?></p>
                     </div>
 
                     <!-- Add items to an invoice -->
@@ -227,8 +227,8 @@ 
                         <div class="modal-dialog modal-dialog-centered" role="document">
                             <div class="modal-content">
                                 <div class="modal-header">
-                                    <h5 class="modal-title" id="getpaid-add-item-to-invoice-label"><?php _e( "Add Item(s)", 'invoicing' ); ?></h5>
-                                    <button type="button" class="close" data-dismiss="modal" aria-label="<?php _e( "Close", 'invoicing' ); ?>">
+                                    <h5 class="modal-title" id="getpaid-add-item-to-invoice-label"><?php _e("Add Item(s)", 'invoicing'); ?></h5>
+                                    <button type="button" class="close" data-dismiss="modal" aria-label="<?php _e("Close", 'invoicing'); ?>">
                                         <span aria-hidden="true">&times;</span>
                                     </button>
                                 </div>
@@ -236,17 +236,17 @@ 
                                     <table class="widefat">
                                         <thead>
                                             <tr>
-                                                <th class="pl-0 text-left"><?php _e( 'Item', 'invoicing' ) ?></th>
+                                                <th class="pl-0 text-left"><?php _e('Item', 'invoicing') ?></th>
                                                 <th class="pr-0 text-right hide-if-amount">
-                                                    <span class="getpaid-hide-if-hours"><?php _e( 'Quantity', 'invoicing' ) ?></span>
-                                                    <span class="getpaid-hide-if-quantity"><?php _e( 'Hours', 'invoicing' ) ?></span>
+                                                    <span class="getpaid-hide-if-hours"><?php _e('Quantity', 'invoicing') ?></span>
+                                                    <span class="getpaid-hide-if-quantity"><?php _e('Hours', 'invoicing') ?></span>
                                                 </th>
                                             </tr>
                                         </thead>
 										<tbody>
 								            <tr>
 									            <td class="pl-0 text-left">
-                                                    <select class="getpaid-item-search regular-text" data-placeholder="<?php esc_attr_e( 'Search for an item…', 'invoicing' ); ?>"></select>
+                                                    <select class="getpaid-item-search regular-text" data-placeholder="<?php esc_attr_e('Search for an item…', 'invoicing'); ?>"></select>
                                                 </td>
 									            <td class="pr-0 text-right hide-if-amount">
                                                     <input type="number" class="w100" step="1" min="1" autocomplete="off" value="1" placeholder="1">
@@ -256,8 +256,8 @@ 
 						            </table>
                                 </div>
                                 <div class="modal-footer">
-                                    <button type="button" class="btn btn-secondary getpaid-cancel" data-dismiss="modal"><?php _e( 'Cancel', 'invoicing' ); ?></button>
-                                    <button type="button" class="btn btn-primary getpaid-add" data-dismiss="modal"><?php _e( 'Add', 'invoicing' ); ?></button>
+                                    <button type="button" class="btn btn-secondary getpaid-cancel" data-dismiss="modal"><?php _e('Cancel', 'invoicing'); ?></button>
+                                    <button type="button" class="btn btn-primary getpaid-add" data-dismiss="modal"><?php _e('Add', 'invoicing'); ?></button>
                                 </div>
                             </div>
                         </div>
@@ -268,8 +268,8 @@ 
                         <div class="modal-dialog modal-dialog-centered" role="document">
                             <div class="modal-content">
                                 <div class="modal-header">
-                                    <h5 class="modal-title" id="getpaid-edit-invoice-item-label"><?php _e( "Edit Item", 'invoicing' ); ?></h5>
-                                    <button type="button" class="close" data-dismiss="modal" aria-label="<?php _e( "Close", 'invoicing' ); ?>">
+                                    <h5 class="modal-title" id="getpaid-edit-invoice-item-label"><?php _e("Edit Item", 'invoicing'); ?></h5>
+                                    <button type="button" class="close" data-dismiss="modal" aria-label="<?php _e("Close", 'invoicing'); ?>">
                                         <span aria-hidden="true">&times;</span>
                                     </button>
                                 </div>
@@ -277,27 +277,27 @@ 
                                     <div class="getpaid-edit-item-div">
                                         <input type="hidden" name="id" class="form-control form-control-sm item-id">
                                         <label class="form-group w-100">
-                                            <span><?php _e( 'Name', 'invoicing' ); ?></span>
-                                            <input type="text" name="name" placeholder="<?php esc_attr_e( 'Item Name', 'invoicing' ); ?>" class="form-control form-control-sm item-name">
+                                            <span><?php _e('Name', 'invoicing'); ?></span>
+                                            <input type="text" name="name" placeholder="<?php esc_attr_e('Item Name', 'invoicing'); ?>" class="form-control form-control-sm item-name">
                                         </label>
                                         <label class="form-group w-100">
-                                            <span class="getpaid-hide-if-hours getpaid-hide-if-quantity item-price"><?php _e( 'Amount', 'invoicing' ); ?></span>
-                                            <span class="hide-if-amount"><?php _e( 'Price', 'invoicing' ); ?></span>
-                                            <input type="text" name="price" placeholder="<?php wpinv_sanitize_amount( 0 ); ?>" class="form-control form-control-sm item-price">
+                                            <span class="getpaid-hide-if-hours getpaid-hide-if-quantity item-price"><?php _e('Amount', 'invoicing'); ?></span>
+                                            <span class="hide-if-amount"><?php _e('Price', 'invoicing'); ?></span>
+                                            <input type="text" name="price" placeholder="<?php wpinv_sanitize_amount(0); ?>" class="form-control form-control-sm item-price">
                                         </label>
                                         <label class="form-group w-100 hide-if-amount">
-                                            <span><?php _e( 'Quantity', 'invoicing' ); ?></span>
+                                            <span><?php _e('Quantity', 'invoicing'); ?></span>
                                             <input type="number" name="quantity" placeholder="1" class="form-control form-control-sm item-quantity">
                                         </label>
                                         <label class="form-group w-100">
-                                            <span><?php _e( 'Item Description', 'invoicing' ); ?></span>
-                                            <textarea name="description" placeholder="<?php esc_attr_e( 'Enter a description for this item', 'invoicing' ); ?>" class="form-control item-description"></textarea>
+                                            <span><?php _e('Item Description', 'invoicing'); ?></span>
+                                            <textarea name="description" placeholder="<?php esc_attr_e('Enter a description for this item', 'invoicing'); ?>" class="form-control item-description"></textarea>
                                         </label>
                                     </div>
                                 </div>
                                 <div class="modal-footer">
-                                    <button type="button" class="btn btn-secondary getpaid-cancel" data-dismiss="modal"><?php _e( 'Cancel', 'invoicing' ); ?></button>
-                                    <button type="button" class="btn btn-primary getpaid-save" data-dismiss="modal"><?php _e( 'Save', 'invoicing' ); ?></button>
+                                    <button type="button" class="btn btn-secondary getpaid-cancel" data-dismiss="modal"><?php _e('Cancel', 'invoicing'); ?></button>
+                                    <button type="button" class="btn btn-primary getpaid-save" data-dismiss="modal"><?php _e('Save', 'invoicing'); ?></button>
                                 </div>
                             </div>
                         </div>

includes/deprecated-functions.php

Spacing +91 added lines, -91 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * @deprecated
@@ -19,48 +19,48 @@ 
  * @deprecated
  */
 function wpinv_get_invoice_cart() {
-    return wpinv_get_invoice( getpaid_get_current_invoice_id() );
+    return wpinv_get_invoice(getpaid_get_current_invoice_id());
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_description( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_description($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_description();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_currency_code( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_currency_code($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_currency();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_payment_user_email( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_payment_user_email($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_email();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_user_id( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_user_id($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_user_id();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_status( $invoice, $return_label = false ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_status($invoice, $return_label = false) {
+    $invoice = new WPInv_Invoice($invoice);
     
-    if ( $return_label ) {
+    if ($return_label) {
         return $invoice->get_status_nicename();
     }
 
@@ -70,10 +70,10 @@ 
 /**
  * @deprecated
  */
-function wpinv_get_payment_gateway( $invoice, $return_label = false ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_payment_gateway($invoice, $return_label = false) {
+    $invoice = new WPInv_Invoice($invoice);
 
-    if ( $return_label ) {
+    if ($return_label) {
         return $invoice->get_gateway_title();
     }
 
@@ -83,75 +83,75 @@ 
 /**
  * @deprecated
  */
-function wpinv_get_payment_gateway_name( $invoice ) {
-    return wpinv_get_payment_gateway( $invoice, true );
+function wpinv_get_payment_gateway_name($invoice) {
+    return wpinv_get_payment_gateway($invoice, true);
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_payment_transaction_id( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_payment_transaction_id($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_transaction_id();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_meta( $invoice_id = 0, $meta_key = '_wpinv_payment_meta', $single = true ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
-    return $invoice->get_meta( $meta_key, $single );
+function wpinv_get_invoice_meta($invoice_id = 0, $meta_key = '_wpinv_payment_meta', $single = true) {
+    $invoice = new WPInv_Invoice($invoice_id);
+    return $invoice->get_meta($meta_key, $single);
 }
 
 /**
  * @deprecated
  */
-function wpinv_update_invoice_meta( $invoice_id = 0, $meta_key = '', $meta_value = '' ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
-    return $invoice->update_meta_data( $meta_key, $meta_value );
+function wpinv_update_invoice_meta($invoice_id = 0, $meta_key = '', $meta_value = '') {
+    $invoice = new WPInv_Invoice($invoice_id);
+    return $invoice->update_meta_data($meta_key, $meta_value);
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_items( $invoice = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_items($invoice = 0) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_items();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_fees( $invoice = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_fees($invoice = 0) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_fees();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_ip( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_ip($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_ip();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_user_info( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_user_info($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_user_info();
 }
 
 /**
  * @deprecated
  */
-function wpinv_subtotal( $invoice = 0, $currency = false ) {
-    $invoice  = new WPInv_Invoice( $invoice );
+function wpinv_subtotal($invoice = 0, $currency = false) {
+    $invoice  = new WPInv_Invoice($invoice);
     $subtotal = $invoice->get_subtotal();
 
-    if ( $currency ) {
-        return wpinv_price( $subtotal, $invoice->get_currency() );
+    if ($currency) {
+        return wpinv_price($subtotal, $invoice->get_currency());
     }
 
     return $subtotal;
@@ -160,12 +160,12 @@ 
 /**
  * @deprecated
  */
-function wpinv_tax( $invoice = 0, $currency = false ) {
-    $invoice  = new WPInv_Invoice( $invoice );
+function wpinv_tax($invoice = 0, $currency = false) {
+    $invoice  = new WPInv_Invoice($invoice);
     $tax      = $invoice->get_total_tax();
 
-    if ( $currency ) {
-        return wpinv_price( $tax, $invoice->get_currency() );
+    if ($currency) {
+        return wpinv_price($tax, $invoice->get_currency());
     }
 
     return $tax;
@@ -174,12 +174,12 @@ 
 /**
  * @deprecated
  */
-function wpinv_discount( $invoice = 0, $currency = false, $deprecated ) {
-    $invoice  = new WPInv_Invoice( $invoice );
+function wpinv_discount($invoice = 0, $currency = false, $deprecated) {
+    $invoice  = new WPInv_Invoice($invoice);
     $discount = $invoice->get_total_discount();
 
-    if ( $currency ) {
-        return wpinv_price( $discount, $invoice->get_currency() );
+    if ($currency) {
+        return wpinv_price($discount, $invoice->get_currency());
     }
 
     return $discount;
@@ -188,20 +188,20 @@ 
 /**
  * @deprecated
  */
-function wpinv_discount_code( $invoice = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_discount_code($invoice = 0) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_discount_code();
 }
 
 /**
  * @deprecated
  */
-function wpinv_payment_total( $invoice = 0, $currency = false ) {
-    $invoice  = new WPInv_Invoice( $invoice );
+function wpinv_payment_total($invoice = 0, $currency = false) {
+    $invoice = new WPInv_Invoice($invoice);
     $total = $invoice->get_total();
 
-    if ( $currency ) {
-        return wpinv_price( $total, $invoice->get_currency() );
+    if ($currency) {
+        return wpinv_price($total, $invoice->get_currency());
     }
 
     return $total;
@@ -210,51 +210,51 @@ 
 /**
  * @deprecated
  */
-function wpinv_get_date_created( $invoice = 0, $format = '' ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_date_created($invoice = 0, $format = '') {
+    $invoice = new WPInv_Invoice($invoice);
 
-    $format         = ! empty( $format ) ? $format : get_option( 'date_format' );
+    $format         = !empty($format) ? $format : get_option('date_format');
     $date_created   = $invoice->get_created_date();
 
-    return empty( $date_created ) ? date_i18n( $format, strtotime( $date_created ) ) : '';
+    return empty($date_created) ? date_i18n($format, strtotime($date_created)) : '';
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_date( $invoice = 0, $format = '' ) {
-    wpinv_get_date_created( $invoice, $format );
+function wpinv_get_invoice_date($invoice = 0, $format = '') {
+    wpinv_get_date_created($invoice, $format);
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_vat_number( $invoice = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_vat_number($invoice = 0) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_vat_number();
 }
 
 /**
  * @deprecated
  */
-function wpinv_insert_payment_note( $invoice = 0, $note = '', $user_type = false, $added_by_user = false, $system = false ) {
-    $invoice = new WPInv_Invoice( $invoice );
-    return $invoice->add_note( $note, $user_type, $added_by_user, $system );
+function wpinv_insert_payment_note($invoice = 0, $note = '', $user_type = false, $added_by_user = false, $system = false) {
+    $invoice = new WPInv_Invoice($invoice);
+    return $invoice->add_note($note, $user_type, $added_by_user, $system);
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_payment_key( $invoice = 0 ) {
-	$invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_payment_key($invoice = 0) {
+	$invoice = new WPInv_Invoice($invoice);
     return $invoice->get_key();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_number( $invoice = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_number($invoice = 0) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_number();
 }
 
@@ -401,9 +401,9 @@ 
 /**
  * @deprecated
  */
-function wpinv_update_payment_status( $invoice, $new_status = 'publish' ) {    
-    $invoice = new WPInv_Invoice( $invoice );
-    return $invoice->update_status( $new_status );
+function wpinv_update_payment_status($invoice, $new_status = 'publish') {    
+    $invoice = new WPInv_Invoice($invoice);
+    return $invoice->update_status($new_status);
 }
 
 /**
@@ -456,22 +456,22 @@ 
 /**
  * @deprecated
  */
-function wpinv_set_payment_transaction_id( $invoice_id = 0, $transaction_id = '' ) {
+function wpinv_set_payment_transaction_id($invoice_id = 0, $transaction_id = '') {
 
     // Fetch the invoice.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
-    if ( 0 ==  $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return false;
     }
 
     // Prepare the transaction id.
-    if ( empty( $transaction_id ) ) {
+    if (empty($transaction_id)) {
         $transaction_id = $invoice_id;
     }
 
     // Set the transaction id;
-    $invoice->set_transaction_id( apply_filters( 'wpinv_set_payment_transaction_id', $transaction_id, $invoice ) );
+    $invoice->set_transaction_id(apply_filters('wpinv_set_payment_transaction_id', $transaction_id, $invoice));
 
     // Save the invoice.
     return $invoice->save();
@@ -484,12 +484,12 @@ 
  * @param WPInv_Invoice $invoice
  * @param string $gateway
  */
-function wpinv_send_to_gateway( $gateway, $invoice ) {
+function wpinv_send_to_gateway($gateway, $invoice) {
 
     $payment_data = array(
         'invoice_id'        => $invoice->get_id(),
         'items'             => $invoice->get_cart_details(),
-        'cart_discounts'    => array( $invoice->get_discount_code() ),
+        'cart_discounts'    => array($invoice->get_discount_code()),
         'fees'              => $invoice->get_total_fees(),
         'subtotal'          => $invoice->get_subtotal(),
         'discount'          => $invoice->get_total_discount(),
@@ -497,16 +497,16 @@ 
         'price'             => $invoice->get_total(),
         'invoice_key'       => $invoice->get_key(),
         'user_email'        => $invoice->get_email(),
-        'date'              => date( 'Y-m-d H:i:s', current_time( 'timestamp' ) ),
+        'date'              => date('Y-m-d H:i:s', current_time('timestamp')),
         'user_info'         => $invoice->get_user_info(),
-        'post_data'         => stripslashes_deep( $_POST ),
+        'post_data'         => stripslashes_deep($_POST),
         'cart_details'      => $invoice->get_cart_details(),
         'gateway'           => $gateway,
         'card_info'         => array(),
         'gateway_nonce'     => wp_create_nonce('wpi-gateway'),
     );
 
-    do_action( 'wpinv_gateway_' . $gateway, $payment_data );
+    do_action('wpinv_gateway_' . $gateway, $payment_data);
 }
 
 /**
@@ -519,10 +519,10 @@ 
 /**
  * @deprecated
  */
-function wpinv_die( $message = '', $title = '', $status = 400 ) {
-    add_filter( 'wp_die_ajax_handler', 'wpinv_die_handler', 10, 3 );
-    add_filter( 'wp_die_handler', 'wpinv_die_handler', 10, 3 );
-    wp_die( $message, $title, array( 'response' => $status ));
+function wpinv_die($message = '', $title = '', $status = 400) {
+    add_filter('wp_die_ajax_handler', 'wpinv_die_handler', 10, 3);
+    add_filter('wp_die_handler', 'wpinv_die_handler', 10, 3);
+    wp_die($message, $title, array('response' => $status));
 }
 
 /**
@@ -640,14 +640,14 @@ 
 /**
  * @deprecated
  */
-function wpinv_invoice_status_label( $status, $status_display = '' ) {
-    return empty( $status_display ) ? sanitize_text_field( $status ) : sanitize_text_field( $status_display );
+function wpinv_invoice_status_label($status, $status_display = '') {
+    return empty($status_display) ? sanitize_text_field($status) : sanitize_text_field($status_display);
 }
 
 /**
  * @deprecated
  */
-function wpinv_clean_invoice_number( $number ) {
+function wpinv_clean_invoice_number($number) {
     return $number;
 }
 
@@ -852,12 +852,12 @@ 
 /**
  * @deprecated
  */
-function wpinv_item_show_price( $item_id = 0, $echo = true ) {
+function wpinv_item_show_price($item_id = 0, $echo = true) {
 
-    if ( $echo ) {
-        echo wpinv_item_price( $item_id );
+    if ($echo) {
+        echo wpinv_item_price($item_id);
     } else {
-        return wpinv_item_price( $item_id );
+        return wpinv_item_price($item_id);
     }
 
 }

includes/class-getpaid-invoice-notification-emails.php

Indentation +390 added lines, -390 removed lines

@@ -12,444 +12,444 @@
  */
 class GetPaid_Invoice_Notification_Emails {
 
-	/**
-	 * The array of invoice email actions.
-	 *
-	 * @param array
-	 */
-	public $invoice_actions;
-
-	/**
-	 * Class constructor
-	 *
-	 */
-	public function __construct() {
-
-		$this->invoice_actions = apply_filters(
-			'getpaid_notification_email_invoice_triggers',
-			array(
-				'getpaid_new_invoice'                   => array( 'new_invoice', 'user_invoice' ),
-				'getpaid_invoice_status_wpi-cancelled'  => 'cancelled_invoice',
-				'getpaid_invoice_status_wpi-failed'     => 'failed_invoice',
-				'getpaid_invoice_status_wpi-onhold'     => 'onhold_invoice',
-				'getpaid_invoice_status_wpi-processing' => 'processing_invoice',
-				'getpaid_invoice_status_publish'        => 'completed_invoice',
-				'getpaid_invoice_status_wpi-renewal'    => 'completed_invoice',
-				'getpaid_invoice_status_wpi-refunded'   => 'refunded_invoice',
-				'getpaid_new_customer_note'             => 'user_note',
-				'getpaid_daily_maintenance'             => 'overdue',
-			)
-		);
-
-		$this->init_hooks();
-
-	}
-
-	/**
-	 * Registers email hooks.
-	 */
-	public function init_hooks() {
-
-		add_filter( 'getpaid_get_email_merge_tags', array( $this, 'invoice_merge_tags' ), 10, 2 );
-		add_filter( 'getpaid_invoice_email_recipients', array( $this, 'filter_email_recipients' ), 10, 2 );
-
-		foreach ( $this->invoice_actions as $hook => $email_type ) {
-			$this->init_email_type_hook( $hook, $email_type );
-		}
-	}
-
-	/**
-	 * Registers an email hook for an invoice action.
-	 * 
-	 * @param string $hook
-	 * @param string|array $email_type
-	 */
-	public function init_email_type_hook( $hook, $email_type ) {
-
-		$email_type = wpinv_parse_list( $email_type );
-
-		foreach ( $email_type as $type ) {
-
-			$email = new GetPaid_Notification_Email( $type );
-
-			// Abort if it is not active.
-			if ( ! $email->is_active() ) {
-				continue;
-			}
-
-			if ( method_exists( $this, $type ) ) {
-				add_action( $hook, array( $this, $type ), 100, 2 );
-				continue;
-			}
-
-			do_action( 'getpaid_invoice_init_email_type_hook', $type, $hook );
-		}
-
-	}
-
-	/**
-	 * Filters invoice merge tags.
-	 *
-	 * @param array $merge_tags
-	 * @param mixed|WPInv_Invoice|WPInv_Subscription $object
-	 */
-	public function invoice_merge_tags( $merge_tags, $object ) {
-
-		if ( is_a( $object, 'WPInv_Invoice' ) ) {
-			return array_merge(
-				$merge_tags,
-				$this->get_invoice_merge_tags( $object )
-			);
-		}
-
-		if ( is_a( $object, 'WPInv_Subscription' ) ) {
-			return array_merge(
-				$merge_tags,
-				$this->get_invoice_merge_tags( $object->get_parent_payment() )
-			);
-		}
-
-		return $merge_tags;
-
-	}
-
-	/**
-	 * Generates invoice merge tags.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @return array
-	 */
-	public function get_invoice_merge_tags( $invoice ) {
-
-		// Abort if it does not exist.
-		if ( ! $invoice->get_id() ) {
-			return array();
-		}
-
-		$merge_tags = array(
-			'{name}'                => sanitize_text_field( $invoice->get_user_full_name() ),
-			'{full_name}'           => sanitize_text_field( $invoice->get_user_full_name() ),
-			'{first_name}'          => sanitize_text_field( $invoice->get_first_name() ),
-			'{last_name}'           => sanitize_text_field( $invoice->get_last_name() ),
-			'{email}'               => sanitize_email( $invoice->get_email() ),
-			'{invoice_number}'      => sanitize_text_field( $invoice->get_number() ),
-			'{invoice_currency}'    => sanitize_text_field( $invoice->get_currency() ),
-			'{invoice_total}'       => wpinv_price( $invoice->get_total() ),
-			'{invoice_link}'        => esc_url( $invoice->get_view_url() ),
-			'{invoice_pay_link}'    => esc_url( $invoice->get_checkout_payment_url() ),
-			'{invoice_receipt_link}'=> esc_url( $invoice->get_receipt_url() ),
-			'{invoice_date}'        => getpaid_format_date_value( $invoice->get_date_created() ),
-			'{invoice_due_date}'    => getpaid_format_date_value( $invoice->get_due_date(), __( 'on receipt', 'invoicing' ) ),
-			'{invoice_quote}'       => sanitize_text_field( strtolower( $invoice->get_label() ) ),
-			'{invoice_label}'       => sanitize_text_field( ucfirst( $invoice->get_label() ) ),
-			'{invoice_description}' => wp_kses_post( $invoice->get_description() ),
-			'{subscription_name}'   => wp_kses_post( $invoice->get_subscription_name() ),
-			'{is_was}'              => strtotime( $invoice->get_due_date() ) < current_time( 'timestamp' ) ? __( 'was', 'invoicing' ) : __( 'is', 'invoicing' ),
-		);
-
-		return apply_filters( 'getpaid_invoice_email_merge_tags', $merge_tags, $invoice );
-	}
-
-	/**
-	 * Helper function to send an email.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @param GetPaid_Notification_Email $email
-	 * @param string $type
-	 * @param string|array $recipients
-	 * @param array $extra_args Extra template args.
-	 */
-	public function send_email( $invoice, $email, $type, $recipients, $extra_args = array() ) {
-
-		do_action( 'getpaid_before_send_invoice_notification', $type, $invoice, $email );
-
-		$mailer     = new GetPaid_Notification_Email_Sender();
-		$merge_tags = $email->get_merge_tags();
-
-		$result = $mailer->send(
-			apply_filters( 'getpaid_invoice_email_recipients', wpinv_parse_list( $recipients ), $email ),
-			$email->add_merge_tags( $email->get_subject(), $merge_tags ),
-			$email->get_content( $merge_tags, $extra_args ),
-			$email->get_attachments()
-		);
-
-		// Maybe send a copy to the admin.
-		if ( $email->include_admin_bcc() ) {
-			$mailer->send(
-				wpinv_get_admin_email(),
-				$email->add_merge_tags( $email->get_subject() . __( ' - ADMIN BCC COPY', 'invoicing' ), $merge_tags ),
-				$email->get_content( $merge_tags ),
-				$email->get_attachments()
-			);
-		}
-
-		if ( ! $result ) {
-			$invoice->add_note( sprintf( __( 'Failed sending %s notification email.', 'invoicing' ), sanitize_key( $type ) ), false, false, true );
-		}
-
-		do_action( 'getpaid_after_send_invoice_notification', $type, $invoice, $email );
-
-		return $result;
-	}
-
-	/**
-	 * Also send emails to any cc users.
-	 *
-	 * @param array $recipients
-	 * @param GetPaid_Notification_Email $email
-	 */
-	public function filter_email_recipients( $recipients, $email ) {
-
-		if ( ! $email->is_admin_email() ) {
-			$cc = $email->object->get_email_cc();
-
-			if ( ! empty( $cc ) ) {
-				$cc = array_map( 'sanitize_email', wpinv_parse_list( $cc ) );
-				$recipients = array_filter( array_unique( array_merge( $recipients, $cc ) ) );
-			}
-
-		}
-
-		return $recipients;
-
-	}
-
-	/**
-	 * Sends a new invoice notification.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function new_invoice( $invoice ) {
-
-		// Only send this email for invoices created via the admin page.
-		if ( ! $invoice->is_type( 'invoice' ) || $this->is_payment_form_invoice( $invoice->get_id() ) ) {
-			return;
-		}
-
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = wpinv_get_admin_email();
-
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
-
-	}
-
-	/**
-	 * Sends a cancelled invoice notification.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function cancelled_invoice( $invoice ) {
+    /**
+     * The array of invoice email actions.
+     *
+     * @param array
+     */
+    public $invoice_actions;
+
+    /**
+     * Class constructor
+     *
+     */
+    public function __construct() {
+
+        $this->invoice_actions = apply_filters(
+            'getpaid_notification_email_invoice_triggers',
+            array(
+                'getpaid_new_invoice'                   => array( 'new_invoice', 'user_invoice' ),
+                'getpaid_invoice_status_wpi-cancelled'  => 'cancelled_invoice',
+                'getpaid_invoice_status_wpi-failed'     => 'failed_invoice',
+                'getpaid_invoice_status_wpi-onhold'     => 'onhold_invoice',
+                'getpaid_invoice_status_wpi-processing' => 'processing_invoice',
+                'getpaid_invoice_status_publish'        => 'completed_invoice',
+                'getpaid_invoice_status_wpi-renewal'    => 'completed_invoice',
+                'getpaid_invoice_status_wpi-refunded'   => 'refunded_invoice',
+                'getpaid_new_customer_note'             => 'user_note',
+                'getpaid_daily_maintenance'             => 'overdue',
+            )
+        );
+
+        $this->init_hooks();
+
+    }
+
+    /**
+     * Registers email hooks.
+     */
+    public function init_hooks() {
+
+        add_filter( 'getpaid_get_email_merge_tags', array( $this, 'invoice_merge_tags' ), 10, 2 );
+        add_filter( 'getpaid_invoice_email_recipients', array( $this, 'filter_email_recipients' ), 10, 2 );
+
+        foreach ( $this->invoice_actions as $hook => $email_type ) {
+            $this->init_email_type_hook( $hook, $email_type );
+        }
+    }
+
+    /**
+     * Registers an email hook for an invoice action.
+     * 
+     * @param string $hook
+     * @param string|array $email_type
+     */
+    public function init_email_type_hook( $hook, $email_type ) {
+
+        $email_type = wpinv_parse_list( $email_type );
+
+        foreach ( $email_type as $type ) {
+
+            $email = new GetPaid_Notification_Email( $type );
+
+            // Abort if it is not active.
+            if ( ! $email->is_active() ) {
+                continue;
+            }
+
+            if ( method_exists( $this, $type ) ) {
+                add_action( $hook, array( $this, $type ), 100, 2 );
+                continue;
+            }
+
+            do_action( 'getpaid_invoice_init_email_type_hook', $type, $hook );
+        }
+
+    }
+
+    /**
+     * Filters invoice merge tags.
+     *
+     * @param array $merge_tags
+     * @param mixed|WPInv_Invoice|WPInv_Subscription $object
+     */
+    public function invoice_merge_tags( $merge_tags, $object ) {
+
+        if ( is_a( $object, 'WPInv_Invoice' ) ) {
+            return array_merge(
+                $merge_tags,
+                $this->get_invoice_merge_tags( $object )
+            );
+        }
+
+        if ( is_a( $object, 'WPInv_Subscription' ) ) {
+            return array_merge(
+                $merge_tags,
+                $this->get_invoice_merge_tags( $object->get_parent_payment() )
+            );
+        }
+
+        return $merge_tags;
+
+    }
+
+    /**
+     * Generates invoice merge tags.
+     *
+     * @param WPInv_Invoice $invoice
+     * @return array
+     */
+    public function get_invoice_merge_tags( $invoice ) {
+
+        // Abort if it does not exist.
+        if ( ! $invoice->get_id() ) {
+            return array();
+        }
+
+        $merge_tags = array(
+            '{name}'                => sanitize_text_field( $invoice->get_user_full_name() ),
+            '{full_name}'           => sanitize_text_field( $invoice->get_user_full_name() ),
+            '{first_name}'          => sanitize_text_field( $invoice->get_first_name() ),
+            '{last_name}'           => sanitize_text_field( $invoice->get_last_name() ),
+            '{email}'               => sanitize_email( $invoice->get_email() ),
+            '{invoice_number}'      => sanitize_text_field( $invoice->get_number() ),
+            '{invoice_currency}'    => sanitize_text_field( $invoice->get_currency() ),
+            '{invoice_total}'       => wpinv_price( $invoice->get_total() ),
+            '{invoice_link}'        => esc_url( $invoice->get_view_url() ),
+            '{invoice_pay_link}'    => esc_url( $invoice->get_checkout_payment_url() ),
+            '{invoice_receipt_link}'=> esc_url( $invoice->get_receipt_url() ),
+            '{invoice_date}'        => getpaid_format_date_value( $invoice->get_date_created() ),
+            '{invoice_due_date}'    => getpaid_format_date_value( $invoice->get_due_date(), __( 'on receipt', 'invoicing' ) ),
+            '{invoice_quote}'       => sanitize_text_field( strtolower( $invoice->get_label() ) ),
+            '{invoice_label}'       => sanitize_text_field( ucfirst( $invoice->get_label() ) ),
+            '{invoice_description}' => wp_kses_post( $invoice->get_description() ),
+            '{subscription_name}'   => wp_kses_post( $invoice->get_subscription_name() ),
+            '{is_was}'              => strtotime( $invoice->get_due_date() ) < current_time( 'timestamp' ) ? __( 'was', 'invoicing' ) : __( 'is', 'invoicing' ),
+        );
+
+        return apply_filters( 'getpaid_invoice_email_merge_tags', $merge_tags, $invoice );
+    }
+
+    /**
+     * Helper function to send an email.
+     *
+     * @param WPInv_Invoice $invoice
+     * @param GetPaid_Notification_Email $email
+     * @param string $type
+     * @param string|array $recipients
+     * @param array $extra_args Extra template args.
+     */
+    public function send_email( $invoice, $email, $type, $recipients, $extra_args = array() ) {
+
+        do_action( 'getpaid_before_send_invoice_notification', $type, $invoice, $email );
+
+        $mailer     = new GetPaid_Notification_Email_Sender();
+        $merge_tags = $email->get_merge_tags();
+
+        $result = $mailer->send(
+            apply_filters( 'getpaid_invoice_email_recipients', wpinv_parse_list( $recipients ), $email ),
+            $email->add_merge_tags( $email->get_subject(), $merge_tags ),
+            $email->get_content( $merge_tags, $extra_args ),
+            $email->get_attachments()
+        );
+
+        // Maybe send a copy to the admin.
+        if ( $email->include_admin_bcc() ) {
+            $mailer->send(
+                wpinv_get_admin_email(),
+                $email->add_merge_tags( $email->get_subject() . __( ' - ADMIN BCC COPY', 'invoicing' ), $merge_tags ),
+                $email->get_content( $merge_tags ),
+                $email->get_attachments()
+            );
+        }
+
+        if ( ! $result ) {
+            $invoice->add_note( sprintf( __( 'Failed sending %s notification email.', 'invoicing' ), sanitize_key( $type ) ), false, false, true );
+        }
+
+        do_action( 'getpaid_after_send_invoice_notification', $type, $invoice, $email );
+
+        return $result;
+    }
+
+    /**
+     * Also send emails to any cc users.
+     *
+     * @param array $recipients
+     * @param GetPaid_Notification_Email $email
+     */
+    public function filter_email_recipients( $recipients, $email ) {
+
+        if ( ! $email->is_admin_email() ) {
+            $cc = $email->object->get_email_cc();
+
+            if ( ! empty( $cc ) ) {
+                $cc = array_map( 'sanitize_email', wpinv_parse_list( $cc ) );
+                $recipients = array_filter( array_unique( array_merge( $recipients, $cc ) ) );
+            }
+
+        }
+
+        return $recipients;
+
+    }
+
+    /**
+     * Sends a new invoice notification.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function new_invoice( $invoice ) {
+
+        // Only send this email for invoices created via the admin page.
+        if ( ! $invoice->is_type( 'invoice' ) || $this->is_payment_form_invoice( $invoice->get_id() ) ) {
+            return;
+        }
+
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = wpinv_get_admin_email();
+
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+
+    }
+
+    /**
+     * Sends a cancelled invoice notification.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function cancelled_invoice( $invoice ) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = wpinv_get_admin_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = wpinv_get_admin_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
+    }
 
-	/**
-	 * Sends a failed invoice notification.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function failed_invoice( $invoice ) {
+    /**
+     * Sends a failed invoice notification.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function failed_invoice( $invoice ) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = wpinv_get_admin_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = wpinv_get_admin_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
+    }
 
-	/**
-	 * Sends a notification whenever an invoice is put on hold.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function onhold_invoice( $invoice ) {
+    /**
+     * Sends a notification whenever an invoice is put on hold.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function onhold_invoice( $invoice ) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
+    }
 
-	/**
-	 * Sends a notification whenever an invoice is marked as processing payment.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function processing_invoice( $invoice ) {
+    /**
+     * Sends a notification whenever an invoice is marked as processing payment.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function processing_invoice( $invoice ) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
+    }
 
-	/**
-	 * Sends a notification whenever an invoice is paid.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function completed_invoice( $invoice ) {
+    /**
+     * Sends a notification whenever an invoice is paid.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function completed_invoice( $invoice ) {
 
-		// (Maybe) abort if it is a renewal invoice.
-		if ( $invoice->is_renewal() && ! wpinv_get_option( 'email_completed_invoice_renewal_active', false ) ) {
-			return;
-		}
+        // (Maybe) abort if it is a renewal invoice.
+        if ( $invoice->is_renewal() && ! wpinv_get_option( 'email_completed_invoice_renewal_active', false ) ) {
+            return;
+        }
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
+    }
 
-	/**
-	 * Sends a notification whenever an invoice is refunded.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function refunded_invoice( $invoice ) {
+    /**
+     * Sends a notification whenever an invoice is refunded.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function refunded_invoice( $invoice ) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
+    }
 
-	/**
-	 * Notifies a user about new invoices
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function user_invoice( $invoice ) {
+    /**
+     * Notifies a user about new invoices
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function user_invoice( $invoice ) {
 
-		// Only send this email for invoices created via the admin page.
-		if ( ! $invoice->is_type( 'invoice' ) || $this->is_payment_form_invoice( $invoice->get_id() ) ) {
-			return;
-		}
+        // Only send this email for invoices created via the admin page.
+        if ( ! $invoice->is_type( 'invoice' ) || $this->is_payment_form_invoice( $invoice->get_id() ) ) {
+            return;
+        }
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
+    }
 
-	/**
-	 * Checks if an invoice is a payment form invoice.
-	 *
-	 * @param int $invoice
-	 * @return bool
-	 */
-	public function is_payment_form_invoice( $invoice ) {
-		return empty( $_GET['getpaid-admin-action'] ) && 'payment_form' == get_post_meta( $invoice, 'wpinv_created_via', true );
-	}
+    /**
+     * Checks if an invoice is a payment form invoice.
+     *
+     * @param int $invoice
+     * @return bool
+     */
+    public function is_payment_form_invoice( $invoice ) {
+        return empty( $_GET['getpaid-admin-action'] ) && 'payment_form' == get_post_meta( $invoice, 'wpinv_created_via', true );
+    }
 
-	/**
-	 * Notifies admin about new invoice notes
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @param string $note
-	 */
-	public function user_note( $invoice, $note ) {
+    /**
+     * Notifies admin about new invoice notes
+     *
+     * @param WPInv_Invoice $invoice
+     * @param string $note
+     */
+    public function user_note( $invoice, $note ) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
-
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient, array( 'customer_note' => $note ) );
-
-	}
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
+
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient, array( 'customer_note' => $note ) );
+
+    }
 
-	/**
-	 * (Force) Sends overdue notices.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function force_send_overdue_notice( $invoice ) {
-		$email = new GetPaid_Notification_Email( 'overdue', $invoice );
-		return $this->send_email( $invoice, $email, 'overdue', $invoice->get_email() );
-	}
-
-	/**
-	 * Sends overdue notices.
-	 *
-	 * @TODO: Create an invoices query class.
-	 */
-	public function overdue() {
-		global $wpdb;
-
-		$email = new GetPaid_Notification_Email( __FUNCTION__ );
-
-		// Fetch reminder days.
-		$reminder_days = array_unique( wp_parse_id_list( $email->get_option( 'days' ) ) );
-
-		// Abort if non is set.
-		if ( empty( $reminder_days ) ) {
-			return;
-		}
-
-		// Retrieve date query.
-		$date_query = $this->get_date_query( $reminder_days );
-
-		// Invoices table.
-		$table = $wpdb->prefix . 'getpaid_invoices';
-
-		// Fetch invoices.
-		$invoices  = $wpdb->get_col(
-			"SELECT posts.ID FROM $wpdb->posts as posts
+    /**
+     * (Force) Sends overdue notices.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function force_send_overdue_notice( $invoice ) {
+        $email = new GetPaid_Notification_Email( 'overdue', $invoice );
+        return $this->send_email( $invoice, $email, 'overdue', $invoice->get_email() );
+    }
+
+    /**
+     * Sends overdue notices.
+     *
+     * @TODO: Create an invoices query class.
+     */
+    public function overdue() {
+        global $wpdb;
+
+        $email = new GetPaid_Notification_Email( __FUNCTION__ );
+
+        // Fetch reminder days.
+        $reminder_days = array_unique( wp_parse_id_list( $email->get_option( 'days' ) ) );
+
+        // Abort if non is set.
+        if ( empty( $reminder_days ) ) {
+            return;
+        }
+
+        // Retrieve date query.
+        $date_query = $this->get_date_query( $reminder_days );
+
+        // Invoices table.
+        $table = $wpdb->prefix . 'getpaid_invoices';
+
+        // Fetch invoices.
+        $invoices  = $wpdb->get_col(
+            "SELECT posts.ID FROM $wpdb->posts as posts
 			LEFT JOIN $table as invoices ON invoices.post_id = posts.ID
 			WHERE posts.post_type = 'wpi_invoice' AND posts.post_status = 'wpi-pending' $date_query");
 
-		foreach ( $invoices as $invoice ) {
+        foreach ( $invoices as $invoice ) {
 
-			// Only send this email for invoices created via the admin page.
-			if ( ! $this->is_payment_form_invoice( $invoice ) ) {
-				$invoice       = new WPInv_Invoice( $invoice );
-				$email->object = $invoice;
+            // Only send this email for invoices created via the admin page.
+            if ( ! $this->is_payment_form_invoice( $invoice ) ) {
+                $invoice       = new WPInv_Invoice( $invoice );
+                $email->object = $invoice;
 
-				if ( $invoice->needs_payment() ) {
-					$this->send_email( $invoice, $email, __FUNCTION__, $invoice->get_email() );
-				}
+                if ( $invoice->needs_payment() ) {
+                    $this->send_email( $invoice, $email, __FUNCTION__, $invoice->get_email() );
+                }
 
-			}
+            }
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Calculates the date query for an invoices query
-	 *
-	 * @param array $reminder_days
-	 * @return string
-	 */
-	public function get_date_query( $reminder_days ) {
+    /**
+     * Calculates the date query for an invoices query
+     *
+     * @param array $reminder_days
+     * @return string
+     */
+    public function get_date_query( $reminder_days ) {
 
-		$date_query = array(
-			'relation'  => 'OR'
-		);
+        $date_query = array(
+            'relation'  => 'OR'
+        );
 
-		foreach ( $reminder_days as $days ) {
-			$date = date_parse( date( 'Y-m-d', strtotime( "-$days days", current_time( 'timestamp' ) ) ) );
+        foreach ( $reminder_days as $days ) {
+            $date = date_parse( date( 'Y-m-d', strtotime( "-$days days", current_time( 'timestamp' ) ) ) );
 
-			$date_query[] = array(
-				'year'  => $date['year'],
-				'month' => $date['month'],
-				'day'   => $date['day'],
-			);
+            $date_query[] = array(
+                'year'  => $date['year'],
+                'month' => $date['month'],
+                'day'   => $date['day'],
+            );
 
-		}
+        }
 
-		$date_query = new WP_Date_Query( $date_query, 'invoices.due_date' );
+        $date_query = new WP_Date_Query( $date_query, 'invoices.due_date' );
 
-		return $date_query->get_sql();
+        return $date_query->get_sql();
 
-	}
+    }
 
 }

Spacing +105 added lines, -105 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * This class handles invoice notificaiton emails.
@@ -28,7 +28,7 @@ 
 		$this->invoice_actions = apply_filters(
 			'getpaid_notification_email_invoice_triggers',
 			array(
-				'getpaid_new_invoice'                   => array( 'new_invoice', 'user_invoice' ),
+				'getpaid_new_invoice'                   => array('new_invoice', 'user_invoice'),
 				'getpaid_invoice_status_wpi-cancelled'  => 'cancelled_invoice',
 				'getpaid_invoice_status_wpi-failed'     => 'failed_invoice',
 				'getpaid_invoice_status_wpi-onhold'     => 'onhold_invoice',
@@ -50,11 +50,11 @@ 
 	 */
 	public function init_hooks() {
 
-		add_filter( 'getpaid_get_email_merge_tags', array( $this, 'invoice_merge_tags' ), 10, 2 );
-		add_filter( 'getpaid_invoice_email_recipients', array( $this, 'filter_email_recipients' ), 10, 2 );
+		add_filter('getpaid_get_email_merge_tags', array($this, 'invoice_merge_tags'), 10, 2);
+		add_filter('getpaid_invoice_email_recipients', array($this, 'filter_email_recipients'), 10, 2);
 
-		foreach ( $this->invoice_actions as $hook => $email_type ) {
-			$this->init_email_type_hook( $hook, $email_type );
+		foreach ($this->invoice_actions as $hook => $email_type) {
+			$this->init_email_type_hook($hook, $email_type);
 		}
 	}
 
@@ -64,25 +64,25 @@ 
 	 * @param string $hook
 	 * @param string|array $email_type
 	 */
-	public function init_email_type_hook( $hook, $email_type ) {
+	public function init_email_type_hook($hook, $email_type) {
 
-		$email_type = wpinv_parse_list( $email_type );
+		$email_type = wpinv_parse_list($email_type);
 
-		foreach ( $email_type as $type ) {
+		foreach ($email_type as $type) {
 
-			$email = new GetPaid_Notification_Email( $type );
+			$email = new GetPaid_Notification_Email($type);
 
 			// Abort if it is not active.
-			if ( ! $email->is_active() ) {
+			if (!$email->is_active()) {
 				continue;
 			}
 
-			if ( method_exists( $this, $type ) ) {
-				add_action( $hook, array( $this, $type ), 100, 2 );
+			if (method_exists($this, $type)) {
+				add_action($hook, array($this, $type), 100, 2);
 				continue;
 			}
 
-			do_action( 'getpaid_invoice_init_email_type_hook', $type, $hook );
+			do_action('getpaid_invoice_init_email_type_hook', $type, $hook);
 		}
 
 	}
@@ -93,19 +93,19 @@ 
 	 * @param array $merge_tags
 	 * @param mixed|WPInv_Invoice|WPInv_Subscription $object
 	 */
-	public function invoice_merge_tags( $merge_tags, $object ) {
+	public function invoice_merge_tags($merge_tags, $object) {
 
-		if ( is_a( $object, 'WPInv_Invoice' ) ) {
+		if (is_a($object, 'WPInv_Invoice')) {
 			return array_merge(
 				$merge_tags,
-				$this->get_invoice_merge_tags( $object )
+				$this->get_invoice_merge_tags($object)
 			);
 		}
 
-		if ( is_a( $object, 'WPInv_Subscription' ) ) {
+		if (is_a($object, 'WPInv_Subscription')) {
 			return array_merge(
 				$merge_tags,
-				$this->get_invoice_merge_tags( $object->get_parent_payment() )
+				$this->get_invoice_merge_tags($object->get_parent_payment())
 			);
 		}
 
@@ -119,35 +119,35 @@ 
 	 * @param WPInv_Invoice $invoice
 	 * @return array
 	 */
-	public function get_invoice_merge_tags( $invoice ) {
+	public function get_invoice_merge_tags($invoice) {
 
 		// Abort if it does not exist.
-		if ( ! $invoice->get_id() ) {
+		if (!$invoice->get_id()) {
 			return array();
 		}
 
 		$merge_tags = array(
-			'{name}'                => sanitize_text_field( $invoice->get_user_full_name() ),
-			'{full_name}'           => sanitize_text_field( $invoice->get_user_full_name() ),
-			'{first_name}'          => sanitize_text_field( $invoice->get_first_name() ),
-			'{last_name}'           => sanitize_text_field( $invoice->get_last_name() ),
-			'{email}'               => sanitize_email( $invoice->get_email() ),
-			'{invoice_number}'      => sanitize_text_field( $invoice->get_number() ),
-			'{invoice_currency}'    => sanitize_text_field( $invoice->get_currency() ),
-			'{invoice_total}'       => wpinv_price( $invoice->get_total() ),
-			'{invoice_link}'        => esc_url( $invoice->get_view_url() ),
-			'{invoice_pay_link}'    => esc_url( $invoice->get_checkout_payment_url() ),
-			'{invoice_receipt_link}'=> esc_url( $invoice->get_receipt_url() ),
-			'{invoice_date}'        => getpaid_format_date_value( $invoice->get_date_created() ),
-			'{invoice_due_date}'    => getpaid_format_date_value( $invoice->get_due_date(), __( 'on receipt', 'invoicing' ) ),
-			'{invoice_quote}'       => sanitize_text_field( strtolower( $invoice->get_label() ) ),
-			'{invoice_label}'       => sanitize_text_field( ucfirst( $invoice->get_label() ) ),
-			'{invoice_description}' => wp_kses_post( $invoice->get_description() ),
-			'{subscription_name}'   => wp_kses_post( $invoice->get_subscription_name() ),
-			'{is_was}'              => strtotime( $invoice->get_due_date() ) < current_time( 'timestamp' ) ? __( 'was', 'invoicing' ) : __( 'is', 'invoicing' ),
+			'{name}'                => sanitize_text_field($invoice->get_user_full_name()),
+			'{full_name}'           => sanitize_text_field($invoice->get_user_full_name()),
+			'{first_name}'          => sanitize_text_field($invoice->get_first_name()),
+			'{last_name}'           => sanitize_text_field($invoice->get_last_name()),
+			'{email}'               => sanitize_email($invoice->get_email()),
+			'{invoice_number}'      => sanitize_text_field($invoice->get_number()),
+			'{invoice_currency}'    => sanitize_text_field($invoice->get_currency()),
+			'{invoice_total}'       => wpinv_price($invoice->get_total()),
+			'{invoice_link}'        => esc_url($invoice->get_view_url()),
+			'{invoice_pay_link}'    => esc_url($invoice->get_checkout_payment_url()),
+			'{invoice_receipt_link}'=> esc_url($invoice->get_receipt_url()),
+			'{invoice_date}'        => getpaid_format_date_value($invoice->get_date_created()),
+			'{invoice_due_date}'    => getpaid_format_date_value($invoice->get_due_date(), __('on receipt', 'invoicing')),
+			'{invoice_quote}'       => sanitize_text_field(strtolower($invoice->get_label())),
+			'{invoice_label}'       => sanitize_text_field(ucfirst($invoice->get_label())),
+			'{invoice_description}' => wp_kses_post($invoice->get_description()),
+			'{subscription_name}'   => wp_kses_post($invoice->get_subscription_name()),
+			'{is_was}'              => strtotime($invoice->get_due_date()) < current_time('timestamp') ? __('was', 'invoicing') : __('is', 'invoicing'),
 		);
 
-		return apply_filters( 'getpaid_invoice_email_merge_tags', $merge_tags, $invoice );
+		return apply_filters('getpaid_invoice_email_merge_tags', $merge_tags, $invoice);
 	}
 
 	/**
@@ -159,35 +159,35 @@ 
 	 * @param string|array $recipients
 	 * @param array $extra_args Extra template args.
 	 */
-	public function send_email( $invoice, $email, $type, $recipients, $extra_args = array() ) {
+	public function send_email($invoice, $email, $type, $recipients, $extra_args = array()) {
 
-		do_action( 'getpaid_before_send_invoice_notification', $type, $invoice, $email );
+		do_action('getpaid_before_send_invoice_notification', $type, $invoice, $email);
 
 		$mailer     = new GetPaid_Notification_Email_Sender();
 		$merge_tags = $email->get_merge_tags();
 
 		$result = $mailer->send(
-			apply_filters( 'getpaid_invoice_email_recipients', wpinv_parse_list( $recipients ), $email ),
-			$email->add_merge_tags( $email->get_subject(), $merge_tags ),
-			$email->get_content( $merge_tags, $extra_args ),
+			apply_filters('getpaid_invoice_email_recipients', wpinv_parse_list($recipients), $email),
+			$email->add_merge_tags($email->get_subject(), $merge_tags),
+			$email->get_content($merge_tags, $extra_args),
 			$email->get_attachments()
 		);
 
 		// Maybe send a copy to the admin.
-		if ( $email->include_admin_bcc() ) {
+		if ($email->include_admin_bcc()) {
 			$mailer->send(
 				wpinv_get_admin_email(),
-				$email->add_merge_tags( $email->get_subject() . __( ' - ADMIN BCC COPY', 'invoicing' ), $merge_tags ),
-				$email->get_content( $merge_tags ),
+				$email->add_merge_tags($email->get_subject() . __(' - ADMIN BCC COPY', 'invoicing'), $merge_tags),
+				$email->get_content($merge_tags),
 				$email->get_attachments()
 			);
 		}
 
-		if ( ! $result ) {
-			$invoice->add_note( sprintf( __( 'Failed sending %s notification email.', 'invoicing' ), sanitize_key( $type ) ), false, false, true );
+		if (!$result) {
+			$invoice->add_note(sprintf(__('Failed sending %s notification email.', 'invoicing'), sanitize_key($type)), false, false, true);
 		}
 
-		do_action( 'getpaid_after_send_invoice_notification', $type, $invoice, $email );
+		do_action('getpaid_after_send_invoice_notification', $type, $invoice, $email);
 
 		return $result;
 	}
@@ -198,14 +198,14 @@ 
 	 * @param array $recipients
 	 * @param GetPaid_Notification_Email $email
 	 */
-	public function filter_email_recipients( $recipients, $email ) {
+	public function filter_email_recipients($recipients, $email) {
 
-		if ( ! $email->is_admin_email() ) {
+		if (!$email->is_admin_email()) {
 			$cc = $email->object->get_email_cc();
 
-			if ( ! empty( $cc ) ) {
-				$cc = array_map( 'sanitize_email', wpinv_parse_list( $cc ) );
-				$recipients = array_filter( array_unique( array_merge( $recipients, $cc ) ) );
+			if (!empty($cc)) {
+				$cc = array_map('sanitize_email', wpinv_parse_list($cc));
+				$recipients = array_filter(array_unique(array_merge($recipients, $cc)));
 			}
 
 		}
@@ -219,17 +219,17 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function new_invoice( $invoice ) {
+	public function new_invoice($invoice) {
 
 		// Only send this email for invoices created via the admin page.
-		if ( ! $invoice->is_type( 'invoice' ) || $this->is_payment_form_invoice( $invoice->get_id() ) ) {
+		if (!$invoice->is_type('invoice') || $this->is_payment_form_invoice($invoice->get_id())) {
 			return;
 		}
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = wpinv_get_admin_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -238,12 +238,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function cancelled_invoice( $invoice ) {
+	public function cancelled_invoice($invoice) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = wpinv_get_admin_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -252,12 +252,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function failed_invoice( $invoice ) {
+	public function failed_invoice($invoice) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = wpinv_get_admin_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -266,12 +266,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function onhold_invoice( $invoice ) {
+	public function onhold_invoice($invoice) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -280,12 +280,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function processing_invoice( $invoice ) {
+	public function processing_invoice($invoice) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -294,17 +294,17 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function completed_invoice( $invoice ) {
+	public function completed_invoice($invoice) {
 
 		// (Maybe) abort if it is a renewal invoice.
-		if ( $invoice->is_renewal() && ! wpinv_get_option( 'email_completed_invoice_renewal_active', false ) ) {
+		if ($invoice->is_renewal() && !wpinv_get_option('email_completed_invoice_renewal_active', false)) {
 			return;
 		}
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -313,12 +313,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function refunded_invoice( $invoice ) {
+	public function refunded_invoice($invoice) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -327,17 +327,17 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function user_invoice( $invoice ) {
+	public function user_invoice($invoice) {
 
 		// Only send this email for invoices created via the admin page.
-		if ( ! $invoice->is_type( 'invoice' ) || $this->is_payment_form_invoice( $invoice->get_id() ) ) {
+		if (!$invoice->is_type('invoice') || $this->is_payment_form_invoice($invoice->get_id())) {
 			return;
 		}
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -347,8 +347,8 @@ 
 	 * @param int $invoice
 	 * @return bool
 	 */
-	public function is_payment_form_invoice( $invoice ) {
-		return empty( $_GET['getpaid-admin-action'] ) && 'payment_form' == get_post_meta( $invoice, 'wpinv_created_via', true );
+	public function is_payment_form_invoice($invoice) {
+		return empty($_GET['getpaid-admin-action']) && 'payment_form' == get_post_meta($invoice, 'wpinv_created_via', true);
 	}
 
 	/**
@@ -357,12 +357,12 @@ 
 	 * @param WPInv_Invoice $invoice
 	 * @param string $note
 	 */
-	public function user_note( $invoice, $note ) {
+	public function user_note($invoice, $note) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient, array( 'customer_note' => $note ) );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient, array('customer_note' => $note));
 
 	}
 
@@ -371,9 +371,9 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function force_send_overdue_notice( $invoice ) {
-		$email = new GetPaid_Notification_Email( 'overdue', $invoice );
-		return $this->send_email( $invoice, $email, 'overdue', $invoice->get_email() );
+	public function force_send_overdue_notice($invoice) {
+		$email = new GetPaid_Notification_Email('overdue', $invoice);
+		return $this->send_email($invoice, $email, 'overdue', $invoice->get_email());
 	}
 
 	/**
@@ -384,37 +384,37 @@ 
 	public function overdue() {
 		global $wpdb;
 
-		$email = new GetPaid_Notification_Email( __FUNCTION__ );
+		$email = new GetPaid_Notification_Email(__FUNCTION__);
 
 		// Fetch reminder days.
-		$reminder_days = array_unique( wp_parse_id_list( $email->get_option( 'days' ) ) );
+		$reminder_days = array_unique(wp_parse_id_list($email->get_option('days')));
 
 		// Abort if non is set.
-		if ( empty( $reminder_days ) ) {
+		if (empty($reminder_days)) {
 			return;
 		}
 
 		// Retrieve date query.
-		$date_query = $this->get_date_query( $reminder_days );
+		$date_query = $this->get_date_query($reminder_days);
 
 		// Invoices table.
 		$table = $wpdb->prefix . 'getpaid_invoices';
 
 		// Fetch invoices.
-		$invoices  = $wpdb->get_col(
+		$invoices = $wpdb->get_col(
 			"SELECT posts.ID FROM $wpdb->posts as posts
 			LEFT JOIN $table as invoices ON invoices.post_id = posts.ID
 			WHERE posts.post_type = 'wpi_invoice' AND posts.post_status = 'wpi-pending' $date_query");
 
-		foreach ( $invoices as $invoice ) {
+		foreach ($invoices as $invoice) {
 
 			// Only send this email for invoices created via the admin page.
-			if ( ! $this->is_payment_form_invoice( $invoice ) ) {
-				$invoice       = new WPInv_Invoice( $invoice );
+			if (!$this->is_payment_form_invoice($invoice)) {
+				$invoice       = new WPInv_Invoice($invoice);
 				$email->object = $invoice;
 
-				if ( $invoice->needs_payment() ) {
-					$this->send_email( $invoice, $email, __FUNCTION__, $invoice->get_email() );
+				if ($invoice->needs_payment()) {
+					$this->send_email($invoice, $email, __FUNCTION__, $invoice->get_email());
 				}
 
 			}
@@ -429,14 +429,14 @@ 
 	 * @param array $reminder_days
 	 * @return string
 	 */
-	public function get_date_query( $reminder_days ) {
+	public function get_date_query($reminder_days) {
 
 		$date_query = array(
 			'relation'  => 'OR'
 		);
 
-		foreach ( $reminder_days as $days ) {
-			$date = date_parse( date( 'Y-m-d', strtotime( "-$days days", current_time( 'timestamp' ) ) ) );
+		foreach ($reminder_days as $days) {
+			$date = date_parse(date('Y-m-d', strtotime("-$days days", current_time('timestamp'))));
 
 			$date_query[] = array(
 				'year'  => $date['year'],
@@ -446,7 +446,7 @@ 
 
 		}
 
-		$date_query = new WP_Date_Query( $date_query, 'invoices.due_date' );
+		$date_query = new WP_Date_Query($date_query, 'invoices.due_date');
 
 		return $date_query->get_sql();
 

includes/wpinv-helper-functions.php

Spacing +259 added lines, -259 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
  
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Are we supporting item quantities?
@@ -20,35 +20,35 @@ 
  */
 function wpinv_get_ip() {
 
-    if ( isset( $_SERVER['HTTP_X_REAL_IP'] ) ) {
-        return sanitize_text_field( wp_unslash( $_SERVER['HTTP_X_REAL_IP'] ) );
+    if (isset($_SERVER['HTTP_X_REAL_IP'])) {
+        return sanitize_text_field(wp_unslash($_SERVER['HTTP_X_REAL_IP']));
     }
 
-    if ( isset( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
+    if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
         // Proxy servers can send through this header like this: X-Forwarded-For: client1, proxy1, proxy2
         // Make sure we always only send through the first IP in the list which should always be the client IP.
-        return (string) rest_is_ip_address( trim( current( preg_split( '/,/', sanitize_text_field( wp_unslash( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) ) ) ) );
+        return (string) rest_is_ip_address(trim(current(preg_split('/,/', sanitize_text_field(wp_unslash($_SERVER['HTTP_X_FORWARDED_FOR']))))));
     }
 
-    if ( isset( $_SERVER['HTTP_CLIENT_IP'] ) ) {
-        return sanitize_text_field( wp_unslash( $_SERVER['HTTP_CLIENT_IP'] ) );
+    if (isset($_SERVER['HTTP_CLIENT_IP'])) {
+        return sanitize_text_field(wp_unslash($_SERVER['HTTP_CLIENT_IP']));
     }
 
-    if ( isset( $_SERVER['REMOTE_ADDR'] ) ) {
-        return sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) );
+    if (isset($_SERVER['REMOTE_ADDR'])) {
+        return sanitize_text_field(wp_unslash($_SERVER['REMOTE_ADDR']));
     }
 
     return '';
 }
 
 function wpinv_get_user_agent() {
-    if ( ! empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
-        $user_agent = sanitize_text_field( $_SERVER['HTTP_USER_AGENT'] );
+    if (!empty($_SERVER['HTTP_USER_AGENT'])) {
+        $user_agent = sanitize_text_field($_SERVER['HTTP_USER_AGENT']);
     } else {
         $user_agent = '';
     }
 
-    return apply_filters( 'wpinv_get_user_agent', $user_agent );
+    return apply_filters('wpinv_get_user_agent', $user_agent);
 }
 
 /**
@@ -56,21 +56,21 @@ 
  * 
  * @param string $amount The amount to sanitize.
  */
-function wpinv_sanitize_amount( $amount ) {
+function wpinv_sanitize_amount($amount) {
 
     // Abort early to avoid multiplying decimals by 100;
-    if ( '.' !== wpinv_decimal_separator() ) {
-        return floatval( $amount );
+    if ('.' !== wpinv_decimal_separator()) {
+        return floatval($amount);
     }
 
     // Format decimals.
-    $amount = str_replace( wpinv_decimal_separator(), '.', $amount );
+    $amount = str_replace(wpinv_decimal_separator(), '.', $amount);
 
     // Remove thousands.
-    $amount = str_replace( wpinv_thousands_separator(), '', $amount );
+    $amount = str_replace(wpinv_thousands_separator(), '', $amount);
 
     // Cast the remaining to a float.
-    return (float) preg_replace( '/[^0-9\.\-]/', '', $amount );
+    return (float) preg_replace('/[^0-9\.\-]/', '', $amount);
 
 }
 
@@ -80,19 +80,19 @@ 
  * @param float $amount
  * @param float|string|int|null $decimals
  */
-function wpinv_round_amount( $amount, $decimals = null, $use_sprintf = false ) {
+function wpinv_round_amount($amount, $decimals = null, $use_sprintf = false) {
 
-    if ( $decimals === null ) {
+    if ($decimals === null) {
         $decimals = wpinv_decimals();
     }
 
-    if ( $use_sprintf ) {
-        $amount = sprintf( "%.{$decimals}f", (float) $amount );
+    if ($use_sprintf) {
+        $amount = sprintf("%.{$decimals}f", (float) $amount);
     } else {
-        $amount = round( (float) $amount, absint( $decimals ) );
+        $amount = round((float) $amount, absint($decimals));
     }
 
-    return apply_filters( 'wpinv_round_amount', $amount, $decimals );
+    return apply_filters('wpinv_round_amount', $amount, $decimals);
 }
 
 /**
@@ -104,32 +104,32 @@ 
  * @param string|WPInv_Invoice $invoice The invoice object|post type|type
  * @return array
  */
-function wpinv_get_invoice_statuses( $draft = false, $trashed = false, $invoice = false ) {
+function wpinv_get_invoice_statuses($draft = false, $trashed = false, $invoice = false) {
 
 	$invoice_statuses = array(
-		'wpi-pending'    => _x( 'Pending payment', 'Invoice status', 'invoicing' ),
-        'publish'        => _x( 'Paid', 'Invoice status', 'invoicing' ),
-        'wpi-processing' => _x( 'Processing', 'Invoice status', 'invoicing' ),
-		'wpi-onhold'     => _x( 'On hold', 'Invoice status', 'invoicing' ),
-		'wpi-cancelled'  => _x( 'Cancelled', 'Invoice status', 'invoicing' ),
-		'wpi-refunded'   => _x( 'Refunded', 'Invoice status', 'invoicing' ),
-        'wpi-failed'     => _x( 'Failed', 'Invoice status', 'invoicing' ),
-        'wpi-renewal'    => _x( 'Renewal Payment', 'Invoice status', 'invoicing' ),
+		'wpi-pending'    => _x('Pending payment', 'Invoice status', 'invoicing'),
+        'publish'        => _x('Paid', 'Invoice status', 'invoicing'),
+        'wpi-processing' => _x('Processing', 'Invoice status', 'invoicing'),
+		'wpi-onhold'     => _x('On hold', 'Invoice status', 'invoicing'),
+		'wpi-cancelled'  => _x('Cancelled', 'Invoice status', 'invoicing'),
+		'wpi-refunded'   => _x('Refunded', 'Invoice status', 'invoicing'),
+        'wpi-failed'     => _x('Failed', 'Invoice status', 'invoicing'),
+        'wpi-renewal'    => _x('Renewal Payment', 'Invoice status', 'invoicing'),
     );
 
-    if ( $draft ) {
-        $invoice_statuses['draft'] = __( 'Draft', 'invoicing' );
+    if ($draft) {
+        $invoice_statuses['draft'] = __('Draft', 'invoicing');
     }
 
-    if ( $trashed ) {
-        $invoice_statuses['trash'] = __( 'Trash', 'invoicing' );
+    if ($trashed) {
+        $invoice_statuses['trash'] = __('Trash', 'invoicing');
     }
 
-    if ( $invoice instanceof WPInv_Invoice ) {
+    if ($invoice instanceof WPInv_Invoice) {
         $invoice = $invoice->get_post_type();
     }
 
-	return apply_filters( 'wpinv_statuses', $invoice_statuses, $invoice );
+	return apply_filters('wpinv_statuses', $invoice_statuses, $invoice);
 }
 
 /**
@@ -138,11 +138,11 @@ 
  * @param string $status The raw status
  * @param string|WPInv_Invoice $invoice The invoice object|post type|type
  */
-function wpinv_status_nicename( $status, $invoice = false ) {
-    $statuses = wpinv_get_invoice_statuses( true, true, $invoice );
-    $status   = isset( $statuses[$status] ) ? $statuses[$status] : $status;
+function wpinv_status_nicename($status, $invoice = false) {
+    $statuses = wpinv_get_invoice_statuses(true, true, $invoice);
+    $status   = isset($statuses[$status]) ? $statuses[$status] : $status;
 
-    return sanitize_text_field( $status );
+    return sanitize_text_field($status);
 }
 
 /**
@@ -150,13 +150,13 @@ 
  * 
  * @param string $current
  */
-function wpinv_get_currency( $current = '' ) {
+function wpinv_get_currency($current = '') {
 
-    if ( empty( $current ) ) {
-        $current = apply_filters( 'wpinv_currency', wpinv_get_option( 'currency', 'USD' ) );
+    if (empty($current)) {
+        $current = apply_filters('wpinv_currency', wpinv_get_option('currency', 'USD'));
     }
 
-    return trim( strtoupper( $current ) );
+    return trim(strtoupper($current));
 }
 
 /**
@@ -164,25 +164,25 @@ 
  * 
  * @param string|null $currency The currency code. Defaults to the default currency.
  */
-function wpinv_currency_symbol( $currency = null ) {
+function wpinv_currency_symbol($currency = null) {
 
     // Prepare the currency.
-    $currency = empty( $currency ) ? wpinv_get_currency() : wpinv_clean( $currency );
+    $currency = empty($currency) ? wpinv_get_currency() : wpinv_clean($currency);
 
     // Fetch all symbols.
     $symbols = wpinv_get_currency_symbols();
 
     // Fetch this currencies symbol.
-    $currency_symbol = isset( $symbols[$currency] ) ? $symbols[$currency] : $currency;
+    $currency_symbol = isset($symbols[$currency]) ? $symbols[$currency] : $currency;
 
     // Filter the symbol.
-    return apply_filters( 'wpinv_currency_symbol', $currency_symbol, $currency );
+    return apply_filters('wpinv_currency_symbol', $currency_symbol, $currency);
 }
 
 function wpinv_currency_position() {
-    $position = wpinv_get_option( 'currency_position', 'left' );
+    $position = wpinv_get_option('currency_position', 'left');
     
-    return apply_filters( 'wpinv_currency_position', $position );
+    return apply_filters('wpinv_currency_position', $position);
 }
 
 /**
@@ -190,13 +190,13 @@ 
  * 
  * @param $string|null $current
  */
-function wpinv_thousands_separator( $current = null ) {
+function wpinv_thousands_separator($current = null) {
 
-    if ( null == $current ) {
-        $current = wpinv_get_option( 'thousands_separator', '.' );
+    if (null == $current) {
+        $current = wpinv_get_option('thousands_separator', '.');
     }
 
-    return trim( $current );
+    return trim($current);
 }
 
 /**
@@ -204,13 +204,13 @@ 
  * 
  * @param $string|null $current
  */
-function wpinv_decimal_separator( $current = null ) {
+function wpinv_decimal_separator($current = null) {
 
-    if ( null == $current ) {
-        $current = wpinv_get_option( 'decimal_separator', '.' );
+    if (null == $current) {
+        $current = wpinv_get_option('decimal_separator', '.');
     }
     
-    return trim( $current );
+    return trim($current);
 }
 
 /**
@@ -218,27 +218,27 @@ 
  * 
  * @param $string|null $current
  */
-function wpinv_decimals( $current = null ) {
+function wpinv_decimals($current = null) {
 
-    if ( null == $current ) {
-        $current = wpinv_get_option( 'decimals', 2 );
+    if (null == $current) {
+        $current = wpinv_get_option('decimals', 2);
     }
     
-    return absint( $current );
+    return absint($current);
 }
 
 /**
  * Retrieves a list of all supported currencies.
  */
 function wpinv_get_currencies() {
-    return apply_filters( 'wpinv_currencies', wpinv_get_data( 'currencies' ) );
+    return apply_filters('wpinv_currencies', wpinv_get_data('currencies'));
 }
 
 /**
  * Retrieves a list of all currency symbols.
  */
 function wpinv_get_currency_symbols() {
-    return apply_filters( 'wpinv_currency_symbols', wpinv_get_data( 'currency-symbols' ) );
+    return apply_filters('wpinv_currency_symbols', wpinv_get_data('currency-symbols'));
 }
 
 /**
@@ -250,7 +250,7 @@ 
 	$currency_pos = wpinv_currency_position();
 	$format       = '%1$s%2$s';
 
-	switch ( $currency_pos ) {
+	switch ($currency_pos) {
 		case 'left':
 			$format = '%1$s%2$s';
 			break;
@@ -265,7 +265,7 @@ 
 			break;
 	}
 
-	return apply_filters( 'getpaid_price_format', $format, $currency_pos );
+	return apply_filters('getpaid_price_format', $format, $currency_pos);
 }
 
 /**
@@ -275,25 +275,25 @@ 
  * @param  string $currency Currency.
  * @return string
  */
-function wpinv_price( $amount = 0, $currency = '' ) {
+function wpinv_price($amount = 0, $currency = '') {
 
     // Backwards compatibility.
-    $amount             = floatval( wpinv_sanitize_amount( $amount ) );
+    $amount             = floatval(wpinv_sanitize_amount($amount));
 
     // Prepare variables.
-    $currency           = wpinv_get_currency( $currency );
+    $currency           = wpinv_get_currency($currency);
     $amount             = (float) $amount;
     $unformatted_amount = $amount;
     $negative           = $amount < 0;
-    $amount             = apply_filters( 'getpaid_raw_amount', floatval( $negative ? $amount * -1 : $amount ) );
-    $amount             = wpinv_format_amount( $amount );
+    $amount             = apply_filters('getpaid_raw_amount', floatval($negative ? $amount * -1 : $amount));
+    $amount             = wpinv_format_amount($amount);
 
     // Format the amount.
     $format             = getpaid_get_price_format();
-    $formatted_amount   = ( $negative ? '-' : '' ) . sprintf( $format, '<span class="getpaid-currency__symbol">' . wpinv_currency_symbol( $currency ) . '</span>', $amount );
+    $formatted_amount   = ($negative ? '-' : '') . sprintf($format, '<span class="getpaid-currency__symbol">' . wpinv_currency_symbol($currency) . '</span>', $amount);
 
     // Filter the formatting.
-    return apply_filters( 'wpinv_price', $formatted_amount, $amount, $currency, $unformatted_amount );
+    return apply_filters('wpinv_price', $formatted_amount, $amount, $currency, $unformatted_amount);
 }
 
 /**
@@ -304,33 +304,33 @@ 
  * @param  bool     $calculate Whether or not to apply separators.
  * @return string
  */
-function wpinv_format_amount( $amount, $decimals = null, $calculate = false ) {
+function wpinv_format_amount($amount, $decimals = null, $calculate = false) {
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
-    $decimals      = wpinv_decimals( $decimals );
+    $decimals      = wpinv_decimals($decimals);
 
     // Format decimals.
-    $amount = str_replace( $decimal_sep, '.', $amount );
+    $amount = str_replace($decimal_sep, '.', $amount);
 
     // Remove thousands.
-    $amount = str_replace( $thousands_sep, '', $amount );
+    $amount = str_replace($thousands_sep, '', $amount);
 
     // Cast the remaining to a float.
-    $amount = floatval( $amount );
+    $amount = floatval($amount);
 
-    if ( $calculate ) {
+    if ($calculate) {
         return $amount;
     }
 
     // Fomart the amount.
-    return number_format( $amount, $decimals, $decimal_sep, $thousands_sep );
+    return number_format($amount, $decimals, $decimal_sep, $thousands_sep);
 }
 
-function wpinv_sanitize_key( $key ) {
+function wpinv_sanitize_key($key) {
     $raw_key = $key;
-    $key = preg_replace( '/[^a-zA-Z0-9_\-\.\:\/]/', '', $key );
+    $key = preg_replace('/[^a-zA-Z0-9_\-\.\:\/]/', '', $key);
 
-    return apply_filters( 'wpinv_sanitize_key', $key, $raw_key );
+    return apply_filters('wpinv_sanitize_key', $key, $raw_key);
 }
 
 /**
@@ -338,8 +338,8 @@ 
  * 
  * @param $str the file whose extension should be retrieved.
  */
-function wpinv_get_file_extension( $str ) {
-    $filetype = wp_check_filetype( $str );
+function wpinv_get_file_extension($str) {
+    $filetype = wp_check_filetype($str);
     return $filetype['ext'];
 }
 
@@ -348,16 +348,16 @@ 
  * 
  * @param string $string
  */
-function wpinv_string_is_image_url( $string ) {
-    $extension = strtolower( wpinv_get_file_extension( $string ) );
-    return in_array( $extension, array( 'jpeg', 'jpg', 'png', 'gif', 'ico' ), true );
+function wpinv_string_is_image_url($string) {
+    $extension = strtolower(wpinv_get_file_extension($string));
+    return in_array($extension, array('jpeg', 'jpg', 'png', 'gif', 'ico'), true);
 }
 
 /**
  * Returns the current URL.
  */
 function wpinv_get_current_page_url() {
-    return ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+    return (is_ssl() ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
 }
 
 /**
@@ -367,46 +367,46 @@ 
  * @param string $name  Constant name.
  * @param mixed  $value Value.
  */
-function getpaid_maybe_define_constant( $name, $value ) {
-	if ( ! defined( $name ) ) {
-		define( $name, $value );
+function getpaid_maybe_define_constant($name, $value) {
+	if (!defined($name)) {
+		define($name, $value);
 	}
 }
 
 function wpinv_get_php_arg_separator_output() {
-	return ini_get( 'arg_separator.output' );
+	return ini_get('arg_separator.output');
 }
 
-function wpinv_rgb_from_hex( $color ) {
-    $color = str_replace( '#', '', $color );
+function wpinv_rgb_from_hex($color) {
+    $color = str_replace('#', '', $color);
 
     // Convert shorthand colors to full format, e.g. "FFF" -> "FFFFFF"
-    $color = preg_replace( '~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color );
-    if ( empty( $color ) ) {
+    $color = preg_replace('~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color);
+    if (empty($color)) {
         return NULL;
     }
 
-    $color = str_split( $color );
+    $color = str_split($color);
 
     $rgb      = array();
-    $rgb['R'] = hexdec( $color[0] . $color[1] );
-    $rgb['G'] = hexdec( $color[2] . $color[3] );
-    $rgb['B'] = hexdec( $color[4] . $color[5] );
+    $rgb['R'] = hexdec($color[0] . $color[1]);
+    $rgb['G'] = hexdec($color[2] . $color[3]);
+    $rgb['B'] = hexdec($color[4] . $color[5]);
 
     return $rgb;
 }
 
-function wpinv_hex_darker( $color, $factor = 30 ) {
-    $base  = wpinv_rgb_from_hex( $color );
+function wpinv_hex_darker($color, $factor = 30) {
+    $base  = wpinv_rgb_from_hex($color);
     $color = '#';
 
-    foreach ( $base as $k => $v ) {
+    foreach ($base as $k => $v) {
         $amount      = $v / 100;
-        $amount      = round( $amount * $factor );
+        $amount      = round($amount * $factor);
         $new_decimal = $v - $amount;
 
-        $new_hex_component = dechex( $new_decimal );
-        if ( strlen( $new_hex_component ) < 2 ) {
+        $new_hex_component = dechex($new_decimal);
+        if (strlen($new_hex_component) < 2) {
             $new_hex_component = "0" . $new_hex_component;
         }
         $color .= $new_hex_component;
@@ -415,18 +415,18 @@ 
     return $color;
 }
 
-function wpinv_hex_lighter( $color, $factor = 30 ) {
-    $base  = wpinv_rgb_from_hex( $color );
+function wpinv_hex_lighter($color, $factor = 30) {
+    $base  = wpinv_rgb_from_hex($color);
     $color = '#';
 
-    foreach ( $base as $k => $v ) {
+    foreach ($base as $k => $v) {
         $amount      = 255 - $v;
         $amount      = $amount / 100;
-        $amount      = round( $amount * $factor );
+        $amount      = round($amount * $factor);
         $new_decimal = $v + $amount;
 
-        $new_hex_component = dechex( $new_decimal );
-        if ( strlen( $new_hex_component ) < 2 ) {
+        $new_hex_component = dechex($new_decimal);
+        if (strlen($new_hex_component) < 2) {
             $new_hex_component = "0" . $new_hex_component;
         }
         $color .= $new_hex_component;
@@ -435,22 +435,22 @@ 
     return $color;
 }
 
-function wpinv_light_or_dark( $color, $dark = '#000000', $light = '#FFFFFF' ) {
-    $hex = str_replace( '#', '', $color );
+function wpinv_light_or_dark($color, $dark = '#000000', $light = '#FFFFFF') {
+    $hex = str_replace('#', '', $color);
 
-    $c_r = hexdec( substr( $hex, 0, 2 ) );
-    $c_g = hexdec( substr( $hex, 2, 2 ) );
-    $c_b = hexdec( substr( $hex, 4, 2 ) );
+    $c_r = hexdec(substr($hex, 0, 2));
+    $c_g = hexdec(substr($hex, 2, 2));
+    $c_b = hexdec(substr($hex, 4, 2));
 
-    $brightness = ( ( $c_r * 299 ) + ( $c_g * 587 ) + ( $c_b * 114 ) ) / 1000;
+    $brightness = (($c_r * 299) + ($c_g * 587) + ($c_b * 114)) / 1000;
 
     return $brightness > 155 ? $dark : $light;
 }
 
-function wpinv_format_hex( $hex ) {
-    $hex = trim( str_replace( '#', '', $hex ) );
+function wpinv_format_hex($hex) {
+    $hex = trim(str_replace('#', '', $hex));
 
-    if ( strlen( $hex ) == 3 ) {
+    if (strlen($hex) == 3) {
         $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
     }
 
@@ -470,12 +470,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string
  */
-function wpinv_utf8_strimwidth( $str, $start, $width, $trimmaker = '', $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strimwidth' ) ) {
-        return mb_strimwidth( $str, $start, $width, $trimmaker, $encoding );
+function wpinv_utf8_strimwidth($str, $start, $width, $trimmaker = '', $encoding = 'UTF-8') {
+    if (function_exists('mb_strimwidth')) {
+        return mb_strimwidth($str, $start, $width, $trimmaker, $encoding);
     }
     
-    return wpinv_utf8_substr( $str, $start, $width, $encoding ) . $trimmaker;
+    return wpinv_utf8_substr($str, $start, $width, $encoding) . $trimmaker;
 }
 
 /**
@@ -487,28 +487,28 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the number of characters in string.
  */
-function wpinv_utf8_strlen( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strlen' ) ) {
-        return mb_strlen( $str, $encoding );
+function wpinv_utf8_strlen($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strlen')) {
+        return mb_strlen($str, $encoding);
     }
         
-    return strlen( $str );
+    return strlen($str);
 }
 
-function wpinv_utf8_strtolower( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strtolower' ) ) {
-        return mb_strtolower( $str, $encoding );
+function wpinv_utf8_strtolower($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strtolower')) {
+        return mb_strtolower($str, $encoding);
     }
     
-    return strtolower( $str );
+    return strtolower($str);
 }
 
-function wpinv_utf8_strtoupper( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strtoupper' ) ) {
-        return mb_strtoupper( $str, $encoding );
+function wpinv_utf8_strtoupper($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strtoupper')) {
+        return mb_strtoupper($str, $encoding);
     }
     
-    return strtoupper( $str );
+    return strtoupper($str);
 }
 
 /**
@@ -522,12 +522,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the position of the first occurrence of search in the string.
  */
-function wpinv_utf8_strpos( $str, $find, $offset = 0, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strpos' ) ) {
-        return mb_strpos( $str, $find, $offset, $encoding );
+function wpinv_utf8_strpos($str, $find, $offset = 0, $encoding = 'UTF-8') {
+    if (function_exists('mb_strpos')) {
+        return mb_strpos($str, $find, $offset, $encoding);
     }
         
-    return strpos( $str, $find, $offset );
+    return strpos($str, $find, $offset);
 }
 
 /**
@@ -541,12 +541,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the position of the last occurrence of search.
  */
-function wpinv_utf8_strrpos( $str, $find, $offset = 0, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strrpos' ) ) {
-        return mb_strrpos( $str, $find, $offset, $encoding );
+function wpinv_utf8_strrpos($str, $find, $offset = 0, $encoding = 'UTF-8') {
+    if (function_exists('mb_strrpos')) {
+        return mb_strrpos($str, $find, $offset, $encoding);
     }
         
-    return strrpos( $str, $find, $offset );
+    return strrpos($str, $find, $offset);
 }
 
 /**
@@ -561,16 +561,16 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string
  */
-function wpinv_utf8_substr( $str, $start, $length = null, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_substr' ) ) {
-        if ( $length === null ) {
-            return mb_substr( $str, $start, wpinv_utf8_strlen( $str, $encoding ), $encoding );
+function wpinv_utf8_substr($str, $start, $length = null, $encoding = 'UTF-8') {
+    if (function_exists('mb_substr')) {
+        if ($length === null) {
+            return mb_substr($str, $start, wpinv_utf8_strlen($str, $encoding), $encoding);
         } else {
-            return mb_substr( $str, $start, $length, $encoding );
+            return mb_substr($str, $start, $length, $encoding);
         }
     }
         
-    return substr( $str, $start, $length );
+    return substr($str, $start, $length);
 }
 
 /**
@@ -582,48 +582,48 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string The width of string.
  */
-function wpinv_utf8_strwidth( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strwidth' ) ) {
-        return mb_strwidth( $str, $encoding );
+function wpinv_utf8_strwidth($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strwidth')) {
+        return mb_strwidth($str, $encoding);
     }
     
-    return wpinv_utf8_strlen( $str, $encoding );
+    return wpinv_utf8_strlen($str, $encoding);
 }
 
-function wpinv_utf8_ucfirst( $str, $lower_str_end = false, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strlen' ) ) {
-        $first_letter = wpinv_utf8_strtoupper( wpinv_utf8_substr( $str, 0, 1, $encoding ), $encoding );
+function wpinv_utf8_ucfirst($str, $lower_str_end = false, $encoding = 'UTF-8') {
+    if (function_exists('mb_strlen')) {
+        $first_letter = wpinv_utf8_strtoupper(wpinv_utf8_substr($str, 0, 1, $encoding), $encoding);
         $str_end = "";
         
-        if ( $lower_str_end ) {
-            $str_end = wpinv_utf8_strtolower( wpinv_utf8_substr( $str, 1, wpinv_utf8_strlen( $str, $encoding ), $encoding ), $encoding );
+        if ($lower_str_end) {
+            $str_end = wpinv_utf8_strtolower(wpinv_utf8_substr($str, 1, wpinv_utf8_strlen($str, $encoding), $encoding), $encoding);
         } else {
-            $str_end = wpinv_utf8_substr( $str, 1, wpinv_utf8_strlen( $str, $encoding ), $encoding );
+            $str_end = wpinv_utf8_substr($str, 1, wpinv_utf8_strlen($str, $encoding), $encoding);
         }
 
         return $first_letter . $str_end;
     }
     
-    return ucfirst( $str );
+    return ucfirst($str);
 }
 
-function wpinv_utf8_ucwords( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_convert_case' ) ) {
-        return mb_convert_case( $str, MB_CASE_TITLE, $encoding );
+function wpinv_utf8_ucwords($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_convert_case')) {
+        return mb_convert_case($str, MB_CASE_TITLE, $encoding);
     }
     
-    return ucwords( $str );
+    return ucwords($str);
 }
 
-function wpinv_period_in_days( $period, $unit ) {
-    $period = absint( $period );
+function wpinv_period_in_days($period, $unit) {
+    $period = absint($period);
     
-    if ( $period > 0 ) {
-        if ( in_array( strtolower( $unit ), array( 'w', 'week', 'weeks' ) ) ) {
+    if ($period > 0) {
+        if (in_array(strtolower($unit), array('w', 'week', 'weeks'))) {
             $period = $period * 7;
-        } else if ( in_array( strtolower( $unit ), array( 'm', 'month', 'months' ) ) ) {
+        } else if (in_array(strtolower($unit), array('m', 'month', 'months'))) {
             $period = $period * 30;
-        } else if ( in_array( strtolower( $unit ), array( 'y', 'year', 'years' ) ) ) {
+        } else if (in_array(strtolower($unit), array('y', 'year', 'years'))) {
             $period = $period * 365;
         }
     }
@@ -631,14 +631,14 @@ 
     return $period;
 }
 
-function wpinv_cal_days_in_month( $calendar, $month, $year ) {
-    if ( function_exists( 'cal_days_in_month' ) ) {
-        return cal_days_in_month( $calendar, $month, $year );
+function wpinv_cal_days_in_month($calendar, $month, $year) {
+    if (function_exists('cal_days_in_month')) {
+        return cal_days_in_month($calendar, $month, $year);
     }
 
     // Fallback in case the calendar extension is not loaded in PHP
     // Only supports Gregorian calendar
-    return date( 't', mktime( 0, 0, 0, $month, 1, $year ) );
+    return date('t', mktime(0, 0, 0, $month, 1, $year));
 }
 
 /**
@@ -649,12 +649,12 @@ 
  *
  * @return string
  */
-function wpi_help_tip( $tip, $allow_html = false ) {
+function wpi_help_tip($tip, $allow_html = false) {
 
-    if ( $allow_html ) {
-        $tip = wpi_sanitize_tooltip( $tip );
+    if ($allow_html) {
+        $tip = wpi_sanitize_tooltip($tip);
     } else {
-        $tip = esc_attr( $tip );
+        $tip = esc_attr($tip);
     }
 
     return '<span class="wpi-help-tip dashicons dashicons-editor-help" title="' . $tip . '"></span>';
@@ -668,8 +668,8 @@ 
  * @param string $var
  * @return string
  */
-function wpi_sanitize_tooltip( $var ) {
-    return wp_kses( html_entity_decode( $var ), array(
+function wpi_sanitize_tooltip($var) {
+    return wp_kses(html_entity_decode($var), array(
         'br'     => array(),
         'em'     => array(),
         'strong' => array(),
@@ -680,7 +680,7 @@ 
         'li'     => array(),
         'ol'     => array(),
         'p'      => array(),
-    ) );
+    ));
 }
 
 /**
@@ -690,7 +690,7 @@ 
  */
 function wpinv_get_screen_ids() {
 
-    $screen_id = sanitize_title( __( 'Invoicing', 'invoicing' ) );
+    $screen_id = sanitize_title(__('Invoicing', 'invoicing'));
 
     $screen_ids = array(
         'toplevel_page_' . $screen_id,
@@ -708,7 +708,7 @@ 
         'invoicing_page_wpi-addons',
     );
 
-    return apply_filters( 'wpinv_screen_ids', $screen_ids );
+    return apply_filters('wpinv_screen_ids', $screen_ids);
 }
 
 /**
@@ -719,14 +719,14 @@ 
  * @param array|string $list List of values.
  * @return array Sanitized array of values.
  */
-function wpinv_parse_list( $list ) {
+function wpinv_parse_list($list) {
 
-    if ( empty( $list ) ) {
+    if (empty($list)) {
         $list = array();
     }
 
-	if ( ! is_array( $list ) ) {
-		return preg_split( '/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY );
+	if (!is_array($list)) {
+		return preg_split('/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY);
 	}
 
 	return $list;
@@ -740,16 +740,16 @@ 
  * @param string $key Type of data to fetch.
  * @return mixed Fetched data.
  */
-function wpinv_get_data( $key ) {
+function wpinv_get_data($key) {
 
     // Try fetching it from the cache.
-    $data = wp_cache_get( "wpinv-data-$key", 'wpinv' );
-    if( $data ) {
+    $data = wp_cache_get("wpinv-data-$key", 'wpinv');
+    if ($data) {
         return $data;
     }
 
-    $data = apply_filters( "wpinv_get_$key", include WPINV_PLUGIN_DIR . "includes/data/$key.php" );
-	wp_cache_set( "wpinv-data-$key", $data, 'wpinv' );
+    $data = apply_filters("wpinv_get_$key", include WPINV_PLUGIN_DIR . "includes/data/$key.php");
+	wp_cache_set("wpinv-data-$key", $data, 'wpinv');
 
 	return $data;
 }
@@ -763,10 +763,10 @@ 
  * @param bool $first_empty Whether or not the first item in the list should be empty
  * @return mixed Fetched data.
  */
-function wpinv_maybe_add_empty_option( $options, $first_empty ) {
+function wpinv_maybe_add_empty_option($options, $first_empty) {
 
-    if ( ! empty( $options ) && $first_empty ) {
-        return array_merge( array( '' => '' ), $options );
+    if (!empty($options) && $first_empty) {
+        return array_merge(array('' => ''), $options);
     }
     return $options;
 
@@ -778,21 +778,21 @@ 
  * @param mixed $var Data to sanitize.
  * @return string|array
  */
-function wpinv_clean( $var ) {
+function wpinv_clean($var) {
 
-	if ( is_array( $var ) ) {
-		return array_map( 'wpinv_clean', $var );
+	if (is_array($var)) {
+		return array_map('wpinv_clean', $var);
     }
 
-    if ( is_object( $var ) ) {
-		$object_vars = get_object_vars( $var );
-		foreach ( $object_vars as $property_name => $property_value ) {
-			$var->$property_name = wpinv_clean( $property_value );
+    if (is_object($var)) {
+		$object_vars = get_object_vars($var);
+		foreach ($object_vars as $property_name => $property_value) {
+			$var->$property_name = wpinv_clean($property_value);
         }
         return $var;
 	}
     
-    return is_string( $var ) ? sanitize_text_field( $var ) : $var;
+    return is_string($var) ? sanitize_text_field($var) : $var;
 }
 
 /**
@@ -801,43 +801,43 @@ 
  * @param string $str Data to convert.
  * @return string|array
  */
-function getpaid_convert_price_string_to_options( $str ) {
+function getpaid_convert_price_string_to_options($str) {
 
-	$raw_options = array_map( 'trim', explode( ',', $str ) );
-    $options     = array();
+	$raw_options = array_map('trim', explode(',', $str));
+    $options = array();
 
-    foreach ( $raw_options as $option ) {
+    foreach ($raw_options as $option) {
 
-        if ( '' == $option ) {
+        if ('' == $option) {
             continue;
         }
 
-        $option = array_map( 'trim', explode( '|', $option ) );
+        $option = array_map('trim', explode('|', $option));
 
         $price = null;
         $label = null;
 
-        if ( isset( $option[0] ) && '' !=  $option[0] ) {
-            $label  = $option[0];
+        if (isset($option[0]) && '' != $option[0]) {
+            $label = $option[0];
         }
 
-        if ( isset( $option[1] ) && '' !=  $option[1] ) {
+        if (isset($option[1]) && '' != $option[1]) {
             $price = $option[1];
         }
 
-        if ( ! isset( $price ) ) {
+        if (!isset($price)) {
             $price = $label;
         }
 
-        if ( ! isset( $price ) || ! is_numeric( $price ) ) {
+        if (!isset($price) || !is_numeric($price)) {
             continue;
         }
 
-        if ( ! isset( $label ) ) {
+        if (!isset($label)) {
             $label = $price;
         }
 
-        $options[ $price ] = $label;
+        $options[$price] = $label;
     }
 
     return $options;
@@ -846,22 +846,22 @@ 
 /**
  * Returns the help tip.
  */
-function getpaid_get_help_tip( $tip, $additional_classes = '' ) {
-    $additional_classes = sanitize_html_class( $additional_classes );
-    $tip                = esc_attr__( $tip );
+function getpaid_get_help_tip($tip, $additional_classes = '') {
+    $additional_classes = sanitize_html_class($additional_classes);
+    $tip                = esc_attr__($tip);
     return "<span class='wpi-help-tip dashicons dashicons-editor-help $additional_classes' title='$tip'></span>";
 }
 
 /**
  * Formats a date
  */
-function getpaid_format_date( $date ) {
+function getpaid_format_date($date) {
 
-    if ( empty( $date ) || $date == '0000-00-00 00:00:00' ) {
+    if (empty($date) || $date == '0000-00-00 00:00:00') {
         return '';
     }
 
-    return date_i18n( getpaid_date_format(), strtotime( $date ) );
+    return date_i18n(getpaid_date_format(), strtotime($date));
 
 }
 
@@ -870,9 +870,9 @@ 
  *
  * @return string
  */
-function getpaid_format_date_value( $date, $default = "&mdash;" ) {
-    $date = getpaid_format_date( $date );
-    return empty( $date ) ? $default : $date;
+function getpaid_format_date_value($date, $default = "&mdash;") {
+    $date = getpaid_format_date($date);
+    return empty($date) ? $default : $date;
 }
 
 /**
@@ -881,7 +881,7 @@ 
  * @return string
  */
 function getpaid_date_format() {
-	return apply_filters( 'getpaid_date_format', get_option( 'date_format' ) );
+	return apply_filters('getpaid_date_format', get_option('date_format'));
 }
 
 /**
@@ -890,7 +890,7 @@ 
  * @return string
  */
 function getpaid_time_format() {
-	return apply_filters( 'getpaid_time_format', get_option( 'time_format' ) );
+	return apply_filters('getpaid_time_format', get_option('time_format'));
 }
 
 /**
@@ -900,16 +900,16 @@ 
  * @param  integer $limit Limit size in characters.
  * @return string
  */
-function getpaid_limit_length( $string, $limit ) {
+function getpaid_limit_length($string, $limit) {
     $str_limit = $limit - 3;
 
-	if ( function_exists( 'mb_strimwidth' ) ) {
-		if ( mb_strlen( $string ) > $limit ) {
-			$string = mb_strimwidth( $string, 0, $str_limit ) . '...';
+	if (function_exists('mb_strimwidth')) {
+		if (mb_strlen($string) > $limit) {
+			$string = mb_strimwidth($string, 0, $str_limit) . '...';
 		}
 	} else {
-		if ( strlen( $string ) > $limit ) {
-			$string = substr( $string, 0, $str_limit ) . '...';
+		if (strlen($string) > $limit) {
+			$string = substr($string, 0, $str_limit) . '...';
 		}
 	}
     return $string;
@@ -923,7 +923,7 @@ 
  * @since 1.0.19
  */
 function getpaid_api() {
-    return getpaid()->get( 'api' );
+    return getpaid()->get('api');
 }
 
 /**
@@ -933,7 +933,7 @@ 
  * @since 1.0.19
  */
 function getpaid_post_types() {
-    return getpaid()->get( 'post_types' );
+    return getpaid()->get('post_types');
 }
 
 /**
@@ -943,7 +943,7 @@ 
  * @since 1.0.19
  */
 function getpaid_session() {
-    return getpaid()->get( 'session' );
+    return getpaid()->get('session');
 }
 
 /**
@@ -953,7 +953,7 @@ 
  * @since 1.0.19
  */
 function getpaid_notes() {
-    return getpaid()->get( 'notes' );
+    return getpaid()->get('notes');
 }
 
 /**
@@ -962,7 +962,7 @@ 
  * @return GetPaid_Admin
  */
 function getpaid_admin() {
-    return getpaid()->get( 'admin' );
+    return getpaid()->get('admin');
 }
 
 /**
@@ -972,8 +972,8 @@ 
  * @param string $base the base url
  * @return string
  */
-function getpaid_get_authenticated_action_url( $action, $base = false ) {
-    return wp_nonce_url( add_query_arg( 'getpaid-action', $action, $base ), 'getpaid-nonce', 'getpaid-nonce' );
+function getpaid_get_authenticated_action_url($action, $base = false) {
+    return wp_nonce_url(add_query_arg('getpaid-action', $action, $base), 'getpaid-nonce', 'getpaid-nonce');
 }
 
 /**
@@ -981,11 +981,11 @@ 
  *
  * @return string
  */
-function getpaid_get_post_type_label( $post_type, $plural = true ) {
+function getpaid_get_post_type_label($post_type, $plural = true) {
 
-    $post_type = get_post_type_object( $post_type );
+    $post_type = get_post_type_object($post_type);
 
-    if ( ! is_object( $post_type ) ) {
+    if (!is_object($post_type)) {
         return null;
     }
 
@@ -998,18 +998,18 @@ 
  *
  * @return mixed|null
  */
-function getpaid_get_array_field( $array, $key, $secondary_key = null ) {
+function getpaid_get_array_field($array, $key, $secondary_key = null) {
 
-    if ( ! is_array( $array ) ) {
+    if (!is_array($array)) {
         return null;
     }
 
-    if ( ! empty( $secondary_key ) ) {
-        $array = isset( $array[ $secondary_key ] ) ? $array[ $secondary_key ] : array();
-        return getpaid_get_array_field( $array, $key );
+    if (!empty($secondary_key)) {
+        $array = isset($array[$secondary_key]) ? $array[$secondary_key] : array();
+        return getpaid_get_array_field($array, $key);
     }
 
-    return isset( $array[ $key ] ) ? $array[ $key ] : null;
+    return isset($array[$key]) ? $array[$key] : null;
 
 }
 
@@ -1018,12 +1018,12 @@ 
  *
  * @return array
  */
-function getpaid_array_merge_if_empty( $args, $defaults ) {
+function getpaid_array_merge_if_empty($args, $defaults) {
 
-    foreach ( $defaults as $key => $value ) {
+    foreach ($defaults as $key => $value) {
 
-        if ( array_key_exists( $key, $args ) && empty( $args[ $key ] ) ) {
-            $args[ $key ] = $value;
+        if (array_key_exists($key, $args) && empty($args[$key])) {
+            $args[$key] = $value;
         }
 
     }