AyeCode / invoicing

includes/class-wpinv-notes.php

Indentation +192 added lines, -192 removed lines

@@ -12,202 +12,202 @@
  */
 class WPInv_Notes {
 
-	/**
-	 * Class constructor.
-	 */
-	public function __construct() {
-
-		// Filter inovice notes.
-		add_action( 'pre_get_comments', array( $this, 'set_invoice_note_type' ), 11, 1 );
-		add_action( 'comment_feed_where', array( $this, 'wpinv_comment_feed_where' ), 10, 1 );
-
-		// Delete comments count cache whenever there is a new comment or a comment status changes.
-		add_action( 'wp_insert_comment', array( $this, 'delete_comments_count_cache' ) );
-		add_action( 'wp_set_comment_status', array( $this, 'delete_comments_count_cache' ) );
-
-		// Count comments.
-		add_filter( 'wp_count_comments', array( $this, 'wp_count_comments' ), 100, 2 );
-
-		// Fires after notes are loaded.
-		do_action( 'wpinv_notes_init', $this );
-	}
-
-	/**
-	 * Filters invoice notes query to only include our notes.
-	 *
-	 * @param WP_Comment_Query $query
-	 */
-	public function set_invoice_note_type( $query ) {
-		$post_id = ! empty( $query->query_vars['post_ID'] ) ? $query->query_vars['post_ID'] : $query->query_vars['post_id'];
-
-		if ( $post_id && getpaid_is_invoice_post_type( get_post_type( $post_id ) ) ) {
-			$query->query_vars['type'] = 'wpinv_note';
-		} else {
-
-			if ( empty( $query->query_vars['type__not_in'] ) ) {
-				$query->query_vars['type__not_in'] = array();
-			}
-
-			$query->query_vars['type__not_in'] = wpinv_parse_list( $query->query_vars['type__not_in'] );
-			$query->query_vars['type__not_in'] = array_merge( array( 'wpinv_note' ), $query->query_vars['type__not_in'] );
-		}
-
-		return $query;
-	}
-
-	/**
-	 * Exclude notes from the comments feed.
-	 */
-	function wpinv_comment_feed_where( $where ){
-		return $where . ( $where ? ' AND ' : '' ) . " comment_type != 'wpinv_note' ";
-	}
-
-	/**
-	 * Delete comments count cache whenever there is
-	 * new comment or the status of a comment changes. Cache
-	 * will be regenerated next time WPInv_Notes::wp_count_comments()
-	 * is called.
-	 */
-	public function delete_comments_count_cache() {
-		delete_transient( 'getpaid_count_comments' );
-	}
-
-	/**
-	 * Remove invoice notes from wp_count_comments().
-	 *
-	 * @since  2.2
-	 * @param  object $stats   Comment stats.
-	 * @param  int    $post_id Post ID.
-	 * @return object
-	 */
-	public function wp_count_comments( $stats, $post_id ) {
-		global $wpdb;
-
-		if ( empty( $post_id ) ) {
-			$stats = get_transient( 'getpaid_count_comments' );
-
-			if ( ! $stats ) {
-				$stats = array(
-					'total_comments' => 0,
-					'all'            => 0,
-				);
-
-				$count = $wpdb->get_results(
-					"
+    /**
+     * Class constructor.
+     */
+    public function __construct() {
+
+        // Filter inovice notes.
+        add_action( 'pre_get_comments', array( $this, 'set_invoice_note_type' ), 11, 1 );
+        add_action( 'comment_feed_where', array( $this, 'wpinv_comment_feed_where' ), 10, 1 );
+
+        // Delete comments count cache whenever there is a new comment or a comment status changes.
+        add_action( 'wp_insert_comment', array( $this, 'delete_comments_count_cache' ) );
+        add_action( 'wp_set_comment_status', array( $this, 'delete_comments_count_cache' ) );
+
+        // Count comments.
+        add_filter( 'wp_count_comments', array( $this, 'wp_count_comments' ), 100, 2 );
+
+        // Fires after notes are loaded.
+        do_action( 'wpinv_notes_init', $this );
+    }
+
+    /**
+     * Filters invoice notes query to only include our notes.
+     *
+     * @param WP_Comment_Query $query
+     */
+    public function set_invoice_note_type( $query ) {
+        $post_id = ! empty( $query->query_vars['post_ID'] ) ? $query->query_vars['post_ID'] : $query->query_vars['post_id'];
+
+        if ( $post_id && getpaid_is_invoice_post_type( get_post_type( $post_id ) ) ) {
+            $query->query_vars['type'] = 'wpinv_note';
+        } else {
+
+            if ( empty( $query->query_vars['type__not_in'] ) ) {
+                $query->query_vars['type__not_in'] = array();
+            }
+
+            $query->query_vars['type__not_in'] = wpinv_parse_list( $query->query_vars['type__not_in'] );
+            $query->query_vars['type__not_in'] = array_merge( array( 'wpinv_note' ), $query->query_vars['type__not_in'] );
+        }
+
+        return $query;
+    }
+
+    /**
+     * Exclude notes from the comments feed.
+     */
+    function wpinv_comment_feed_where( $where ){
+        return $where . ( $where ? ' AND ' : '' ) . " comment_type != 'wpinv_note' ";
+    }
+
+    /**
+     * Delete comments count cache whenever there is
+     * new comment or the status of a comment changes. Cache
+     * will be regenerated next time WPInv_Notes::wp_count_comments()
+     * is called.
+     */
+    public function delete_comments_count_cache() {
+        delete_transient( 'getpaid_count_comments' );
+    }
+
+    /**
+     * Remove invoice notes from wp_count_comments().
+     *
+     * @since  2.2
+     * @param  object $stats   Comment stats.
+     * @param  int    $post_id Post ID.
+     * @return object
+     */
+    public function wp_count_comments( $stats, $post_id ) {
+        global $wpdb;
+
+        if ( empty( $post_id ) ) {
+            $stats = get_transient( 'getpaid_count_comments' );
+
+            if ( ! $stats ) {
+                $stats = array(
+                    'total_comments' => 0,
+                    'all'            => 0,
+                );
+
+                $count = $wpdb->get_results(
+                    "
 					SELECT comment_approved, COUNT(*) AS num_comments
 					FROM {$wpdb->comments}
 					WHERE comment_type NOT IN ('action_log', 'order_note', 'webhook_delivery', 'wpinv_note')
 					GROUP BY comment_approved
 					",
-					ARRAY_A
-				);
-
-				$approved = array(
-					'0'            => 'moderated',
-					'1'            => 'approved',
-					'spam'         => 'spam',
-					'trash'        => 'trash',
-					'post-trashed' => 'post-trashed',
-				);
-
-				foreach ( (array) $count as $row ) {
-					// Don't count post-trashed toward totals.
-					if ( ! in_array( $row['comment_approved'], array( 'post-trashed', 'trash', 'spam' ), true ) ) {
-						$stats['all']            += $row['num_comments'];
-						$stats['total_comments'] += $row['num_comments'];
-					} elseif ( ! in_array( $row['comment_approved'], array( 'post-trashed', 'trash' ), true ) ) {
-						$stats['total_comments'] += $row['num_comments'];
-					}
-					if ( isset( $approved[ $row['comment_approved'] ] ) ) {
-						$stats[ $approved[ $row['comment_approved'] ] ] = $row['num_comments'];
-					}
-				}
-
-				foreach ( $approved as $key ) {
-					if ( empty( $stats[ $key ] ) ) {
-						$stats[ $key ] = 0;
-					}
-				}
-
-				$stats = (object) $stats;
-				set_transient( 'getpaid_count_comments', $stats );
-			}
-
-		}
-
-		return $stats;
-	}
-
-	/**
-	 * Returns an array of invoice notes.
-	 *
-	 * @param int $invoice_id The invoice ID whose notes to retrieve.
-	 * @param string $type Optional. Pass in customer to only return customer notes.
-	 * @return WP_Comment[]
-	 */
-	public function get_invoice_notes( $invoice_id = 0, $type = 'all' ) {
-
-		// Default comment args.
-		$args = array(
-			'post_id'   => $invoice_id,
-			'orderby'   => 'comment_ID',
-			'order'     => 'ASC',
-		);
-
-		// Maybe only show customer comments.
-		if ( $type == 'customer' ) {
-			$args['meta_key']   = '_wpi_customer_note';
-			$args['meta_value'] = 1;
-		}
-
-		$args = apply_filters( 'wpinv_invoice_notes_args', $args, $this, $invoice_id, $type );
-
-		return get_comments( $args );
-	}
-
-	/**
-	 * Saves an invoice comment.
-	 * 
-	 * @param WPInv_Invoice $invoice The invoice to add the comment to.
-	 * @param string $note The note content.
-	 * @param string $note_author The name of the author of the note.
-	 * @param bool $for_customer Whether or not this comment is meant to be sent to the customer.
-	 * @return int|false The new note's ID on success, false on failure.
-	 */
-	function add_invoice_note( $invoice, $note, $note_author, $author_email, $for_customer = false ){
-
-		do_action( 'wpinv_pre_insert_invoice_note', $invoice->get_id(), $note, $for_customer );
-
-		/**
-		 * Insert the comment.
-		 */
-		$note_id = wp_insert_comment(
-			wp_filter_comment(
-				array(
-					'comment_post_ID'      => $invoice->get_id(),
-					'comment_content'      => $note,
-					'comment_agent'        => 'Invoicing',
-					'user_id'              => get_current_user_id(),
-					'comment_author'       => $note_author,
-					'comment_author_IP'    => wpinv_get_ip(),
-					'comment_author_email' => $author_email,
-					'comment_author_url'   => $invoice->get_view_url(),
-					'comment_type'         => 'wpinv_note',
-				)
-			)
-		);
-
-		do_action( 'wpinv_insert_payment_note', $note_id, $invoice->get_id(), $note, $for_customer );
-
-		// Are we notifying the customer?
-		if ( empty( $note_id ) || empty( $for_customer ) ) {
-			return $note_id;
-		}
-
-		add_comment_meta( $note_id, '_wpi_customer_note', 1 );
-		do_action( 'wpinv_new_customer_note', array( 'invoice_id' => $invoice->get_id(), 'user_note' => $note ) );
-		do_action( 'getpaid_new_customer_note', $invoice, $note );
-		return $note_id;
-	}
+                    ARRAY_A
+                );
+
+                $approved = array(
+                    '0'            => 'moderated',
+                    '1'            => 'approved',
+                    'spam'         => 'spam',
+                    'trash'        => 'trash',
+                    'post-trashed' => 'post-trashed',
+                );
+
+                foreach ( (array) $count as $row ) {
+                    // Don't count post-trashed toward totals.
+                    if ( ! in_array( $row['comment_approved'], array( 'post-trashed', 'trash', 'spam' ), true ) ) {
+                        $stats['all']            += $row['num_comments'];
+                        $stats['total_comments'] += $row['num_comments'];
+                    } elseif ( ! in_array( $row['comment_approved'], array( 'post-trashed', 'trash' ), true ) ) {
+                        $stats['total_comments'] += $row['num_comments'];
+                    }
+                    if ( isset( $approved[ $row['comment_approved'] ] ) ) {
+                        $stats[ $approved[ $row['comment_approved'] ] ] = $row['num_comments'];
+                    }
+                }
+
+                foreach ( $approved as $key ) {
+                    if ( empty( $stats[ $key ] ) ) {
+                        $stats[ $key ] = 0;
+                    }
+                }
+
+                $stats = (object) $stats;
+                set_transient( 'getpaid_count_comments', $stats );
+            }
+
+        }
+
+        return $stats;
+    }
+
+    /**
+     * Returns an array of invoice notes.
+     *
+     * @param int $invoice_id The invoice ID whose notes to retrieve.
+     * @param string $type Optional. Pass in customer to only return customer notes.
+     * @return WP_Comment[]
+     */
+    public function get_invoice_notes( $invoice_id = 0, $type = 'all' ) {
+
+        // Default comment args.
+        $args = array(
+            'post_id'   => $invoice_id,
+            'orderby'   => 'comment_ID',
+            'order'     => 'ASC',
+        );
+
+        // Maybe only show customer comments.
+        if ( $type == 'customer' ) {
+            $args['meta_key']   = '_wpi_customer_note';
+            $args['meta_value'] = 1;
+        }
+
+        $args = apply_filters( 'wpinv_invoice_notes_args', $args, $this, $invoice_id, $type );
+
+        return get_comments( $args );
+    }
+
+    /**
+     * Saves an invoice comment.
+     * 
+     * @param WPInv_Invoice $invoice The invoice to add the comment to.
+     * @param string $note The note content.
+     * @param string $note_author The name of the author of the note.
+     * @param bool $for_customer Whether or not this comment is meant to be sent to the customer.
+     * @return int|false The new note's ID on success, false on failure.
+     */
+    function add_invoice_note( $invoice, $note, $note_author, $author_email, $for_customer = false ){
+
+        do_action( 'wpinv_pre_insert_invoice_note', $invoice->get_id(), $note, $for_customer );
+
+        /**
+         * Insert the comment.
+         */
+        $note_id = wp_insert_comment(
+            wp_filter_comment(
+                array(
+                    'comment_post_ID'      => $invoice->get_id(),
+                    'comment_content'      => $note,
+                    'comment_agent'        => 'Invoicing',
+                    'user_id'              => get_current_user_id(),
+                    'comment_author'       => $note_author,
+                    'comment_author_IP'    => wpinv_get_ip(),
+                    'comment_author_email' => $author_email,
+                    'comment_author_url'   => $invoice->get_view_url(),
+                    'comment_type'         => 'wpinv_note',
+                )
+            )
+        );
+
+        do_action( 'wpinv_insert_payment_note', $note_id, $invoice->get_id(), $note, $for_customer );
+
+        // Are we notifying the customer?
+        if ( empty( $note_id ) || empty( $for_customer ) ) {
+            return $note_id;
+        }
+
+        add_comment_meta( $note_id, '_wpi_customer_note', 1 );
+        do_action( 'wpinv_new_customer_note', array( 'invoice_id' => $invoice->get_id(), 'user_note' => $note ) );
+        do_action( 'getpaid_new_customer_note', $invoice, $note );
+        return $note_id;
+    }
 
 }

includes/invoice-functions.php

Indentation +12 added lines, -12 removed lines

@@ -67,7 +67,7 @@ 
  * Checks if the current user cna view an invoice receipt.
  */
 function wpinv_can_view_receipt( $invoice ) {
-	return (bool) apply_filters( 'wpinv_can_view_receipt', wpinv_user_can_view_invoice( $invoice ), $invoice );
+    return (bool) apply_filters( 'wpinv_can_view_receipt', wpinv_user_can_view_invoice( $invoice ), $invoice );
 }
 
 /**
@@ -1280,22 +1280,22 @@ 
  */
 function getpaid_get_invoice_status_classes() {
 
-	return apply_filters(
-		'getpaid_get_invoice_status_classes',
-		array(
+    return apply_filters(
+        'getpaid_get_invoice_status_classes',
+        array(
             'wpi-quote-declined' => 'badge-danger',
             'wpi-failed'         => 'badge-danger',
-			'wpi-processing'     => 'badge-info',
-			'wpi-onhold'         => 'badge-warning',
-			'wpi-quote-accepted' => 'badge-success',
-			'publish'            => 'badge-success',
-			'wpi-renewal'        => 'badge-primary',
+            'wpi-processing'     => 'badge-info',
+            'wpi-onhold'         => 'badge-warning',
+            'wpi-quote-accepted' => 'badge-success',
+            'publish'            => 'badge-success',
+            'wpi-renewal'        => 'badge-primary',
             'wpi-cancelled'      => 'badge-secondary',
             'wpi-pending'        => 'badge-dark',
             'wpi-quote-pending'  => 'badge-dark',
             'wpi-refunded'       => 'badge-secondary',
-		)
-	);
+        )
+    );
 
 }
 
@@ -1309,7 +1309,7 @@ 
 function getpaid_get_invoice_tax_rate( $invoice, $item ) {
 
     $rates   = getpaid_get_item_tax_rates( $item, $invoice->get_country(), $invoice->get_state() );
-	$rates   = getpaid_filter_item_tax_rates( $item, $rates );
+    $rates   = getpaid_filter_item_tax_rates( $item, $rates );
     $rates   = wp_list_pluck( $rates, 'rate' );
 	
     return array_sum( $rates );

includes/admin/meta-boxes/class-getpaid-meta-box-payment-form.php

Indentation +15 added lines, -15 removed lines

@@ -7,7 +7,7 @@ 
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
-	exit; // Exit if accessed directly
+    exit; // Exit if accessed directly
 }
 
 /**
@@ -16,10 +16,10 @@ 
 class GetPaid_Meta_Box_Payment_Form {
 
     /**
-	 * Output the metabox.
-	 *
-	 * @param WP_Post $post
-	 */
+     * Output the metabox.
+     *
+     * @param WP_Post $post
+     */
     public static function output( $post ) {
         ?>
         <style>
@@ -102,11 +102,11 @@ 
     }
 
     /**
-	 * Save meta box data.
-	 *
-	 * @param int $post_id
-	 */
-	public static function save( $post_id ) {
+     * Save meta box data.
+     *
+     * @param int $post_id
+     */
+    public static function save( $post_id ) {
 
         // Prepare the form.
         $form = new GetPaid_Payment_Form( $post_id );
@@ -137,11 +137,11 @@ 
     }
 
     /**
-	 * Converts an array fo form items to objects.
-	 *
-	 * @param array $items
-	 */
-	public static function item_to_objects( $items ) {
+     * Converts an array fo form items to objects.
+     *
+     * @param array $items
+     */
+    public static function item_to_objects( $items ) {
 
         $objects = array();
 

includes/wpinv-discount-functions.php

Indentation +34 added lines, -34 removed lines

@@ -160,51 +160,51 @@
  */
 function getpaid_calculate_invoice_discount( $invoice, $discount ) {
 
-	$initial_discount   = 0;
-	$recurring_discount = 0;
+    $initial_discount   = 0;
+    $recurring_discount = 0;
 
-	foreach ( $invoice->get_items() as $item ) {
+    foreach ( $invoice->get_items() as $item ) {
 
-		// Abort if it is not valid for this item.
-		if ( ! $discount->is_valid_for_items( array( $item->get_id() ) ) ) {
-			continue;
-		}
+        // Abort if it is not valid for this item.
+        if ( ! $discount->is_valid_for_items( array( $item->get_id() ) ) ) {
+            continue;
+        }
 
-		// Calculate the initial amount...
-		$item_discount           = $discount->get_discounted_amount( $item->get_sub_total() );
-		$recurring_item_discount = 0;
+        // Calculate the initial amount...
+        $item_discount           = $discount->get_discounted_amount( $item->get_sub_total() );
+        $recurring_item_discount = 0;
 
-		// ... and maybe the recurring amount.
-		if ( $item->is_recurring() && $discount->is_recurring() ) {
-			$recurring_item_discount = $discount->get_discounted_amount( $item->get_recurring_sub_total() );
-		}
+        // ... and maybe the recurring amount.
+        if ( $item->is_recurring() && $discount->is_recurring() ) {
+            $recurring_item_discount = $discount->get_discounted_amount( $item->get_recurring_sub_total() );
+        }
 
-		// Discount should not exceed discounted amount.
-		if ( ! $discount->is_type( 'percent' ) ) {
+        // Discount should not exceed discounted amount.
+        if ( ! $discount->is_type( 'percent' ) ) {
 
-			if ( ( $initial_discount + $item_discount ) > $discount->get_amount() ) {
-				$item_discount = $discount->get_amount() - $initial_discount;
-			}
+            if ( ( $initial_discount + $item_discount ) > $discount->get_amount() ) {
+                $item_discount = $discount->get_amount() - $initial_discount;
+            }
 
-			if ( ( $recurring_discount + $recurring_item_discount ) > $discount->get_amount() ) {
-				$recurring_item_discount = $discount->get_amount() - $recurring_discount;
-			}
+            if ( ( $recurring_discount + $recurring_item_discount ) > $discount->get_amount() ) {
+                $recurring_item_discount = $discount->get_amount() - $recurring_discount;
+            }
 
-		}
+        }
 
-		$initial_discount             += $item_discount;
-		$recurring_discount           += $recurring_item_discount;
-		$item->item_discount           = $item_discount;
-		$item->recurring_item_discount = $recurring_item_discount;
+        $initial_discount             += $item_discount;
+        $recurring_discount           += $recurring_item_discount;
+        $item->item_discount           = $item_discount;
+        $item->recurring_item_discount = $recurring_item_discount;
 
-	}
+    }
 
-	return array(
-		'name'               => 'discount_code',
-		'discount_code'      => $discount->get_code(),
-		'initial_discount'   => $initial_discount,
-		'recurring_discount' => $recurring_discount,
-	);
+    return array(
+        'name'               => 'discount_code',
+        'discount_code'      => $discount->get_code(),
+        'initial_discount'   => $initial_discount,
+        'recurring_discount' => $recurring_discount,
+    );
 
 }
 

includes/class-getpaid-tax.php

Indentation +163 added lines, -163 removed lines

@@ -13,168 +13,168 @@
  */
 class GetPaid_Tax {
 
-	/**
-	 * Calculates tax for a line item.
-	 *
-	 * @param  float   $price              The price to calc tax on.
-	 * @param  array   $rates              The rates to apply.
-	 * @param  boolean $price_includes_tax Whether the passed price has taxes included.
-	 * @return array                       Array of tax name => tax amount.
-	 */
-	public static function calc_tax( $price, $rates, $price_includes_tax = false ) {
-
-		if ( $price_includes_tax ) {
-			$taxes = self::calc_inclusive_tax( $price, $rates );
-		} else {
-			$taxes = self::calc_exclusive_tax( $price, $rates );
-		}
-
-		return apply_filters( 'getpaid_calc_tax', $taxes, $price, $rates, $price_includes_tax );
-
-	}
-
-	/**
-	 * Calc tax from inclusive price.
-	 *
-	 * @param  float $price Price to calculate tax for.
-	 * @param  array $rates Array of tax rates.
-	 * @return array
-	 */
-	public static function calc_inclusive_tax( $price, $rates ) {
-		$taxes     = array();
-		$tax_rates = wp_list_pluck( $rates, 'rate', 'name' );
-
-		// Add tax rates.
-		$tax_rate  = 1 + ( array_sum( $tax_rates ) / 100 );
-
-		foreach ( $tax_rates as $name => $rate ) {
-			$the_rate       = ( $rate / 100 ) / $tax_rate;
-			$net_price      = $price - ( $the_rate * $price );
-			$tax_amount     = apply_filters( 'getpaid_price_inc_tax_amount', $price - $net_price, $name, $rate, $price );
-			$taxes[ $name ] = $tax_amount;
-		}
-
-		// Round all taxes to precision (4DP) before passing them back.
-		$taxes = array_map( array( __CLASS__, 'round' ), $taxes );
-
-		return $taxes;
-	}
-
-	/**
-	 * Calc tax from exclusive price.
-	 *
-	 * @param  float $price Price to calculate tax for.
-	 * @param  array $rates Array of tax rates.
-	 * @return array
-	 */
-	public static function calc_exclusive_tax( $price, $rates ) {
-		$taxes     = array();
-		$tax_rates = wp_list_pluck( $rates, 'rate', 'name' );
-
-		foreach ( $tax_rates as $name => $rate ) {
-
-			$tax_amount     = $price * ( $rate / 100 );
-			$taxes[ $name ] = apply_filters( 'getpaid_price_ex_tax_amount', $tax_amount, $name, $rate, $price );
-
-		}
-
-		// Round all taxes to precision (4DP) before passing them back.
-		$taxes = array_map( array( __CLASS__, 'round' ), $taxes );
-
-		return $taxes;
-	}
-
-	/**
-	 * Get's an array of all tax rates.
-	 *
-	 * @return array
-	 */
-	public static function get_all_tax_rates() {
-
-		$rates = get_option( 'wpinv_tax_rates', array() );
-
-		return apply_filters(
-			'getpaid_get_all_tax_rates',
-			array_filter( wpinv_parse_list( $rates ) )
-		);
-
-	}
-
-	/**
-	 * Get's an array of default tax rates.
-	 *
-	 * @return array
-	 */
-	public static function get_default_tax_rates() {
-
-		return apply_filters(
-			'getpaid_get_default_tax_rates',
-			array(
-				array(
-					'country'   => wpinv_get_default_country(),
-					'state'     => wpinv_get_default_state(),
-					'global'    => true,
-					'rate'      => wpinv_get_default_tax_rate(),
-					'name'      => __( 'Base Tax', 'invoicing' ),
-				)
-			)
-		);
-
-	}
-
-	/**
-	 * Get's an array of tax rates for a given address.
-	 *
-	 * @param string $country
-	 * @param string $state
-	 * @return array
-	 */
-	public static function get_address_tax_rates( $country, $state ) {
-
-		$all_tax_rates  = self::get_all_tax_rates();
-		$matching_rates = array_merge(
-			wp_list_filter( $all_tax_rates, array( 'country' => $country ) ),
-			wp_list_filter( $all_tax_rates, array( 'country' => '' ) )
-		);
-
-		foreach ( $matching_rates as $i => $rate ) {
-
-			$states = array_filter( wpinv_clean( explode( ',', strtolower( $rate['state'] ) ) ) );
-			if ( empty( $rate['global'] ) && ! in_array( strtolower( $state ), $states ) ) {
-				unset( $matching_rates[ $i ] );
-			}
-
-		}
-
-		return apply_filters( 'getpaid_get_address_tax_rates', $matching_rates, $country, $state );
-
-	}
-
-	/**
-	 * Sums a set of taxes to form a single total. Result is rounded to precision.
-	 *
-	 * @param  array $taxes Array of taxes.
-	 * @return float
-	 */
-	public static function get_tax_total( $taxes ) {
-		return self::round( array_sum( $taxes ) );
-	}
-
-	/**
-	 * Round to precision.
-	 *
-	 * Filter example: to return rounding to .5 cents you'd use:
-	 *
-	 * function euro_5cent_rounding( $in ) {
-	 *      return round( $in / 5, 2 ) * 5;
-	 * }
-	 * add_filter( 'getpaid_tax_round', 'euro_5cent_rounding' );
-	 *
-	 * @param float|int $in Value to round.
-	 * @return float
-	 */
-	public static function round( $in ) {
-		return apply_filters( 'getpaid_tax_round', round( $in, 4 ), $in );
-	}
+    /**
+     * Calculates tax for a line item.
+     *
+     * @param  float   $price              The price to calc tax on.
+     * @param  array   $rates              The rates to apply.
+     * @param  boolean $price_includes_tax Whether the passed price has taxes included.
+     * @return array                       Array of tax name => tax amount.
+     */
+    public static function calc_tax( $price, $rates, $price_includes_tax = false ) {
+
+        if ( $price_includes_tax ) {
+            $taxes = self::calc_inclusive_tax( $price, $rates );
+        } else {
+            $taxes = self::calc_exclusive_tax( $price, $rates );
+        }
+
+        return apply_filters( 'getpaid_calc_tax', $taxes, $price, $rates, $price_includes_tax );
+
+    }
+
+    /**
+     * Calc tax from inclusive price.
+     *
+     * @param  float $price Price to calculate tax for.
+     * @param  array $rates Array of tax rates.
+     * @return array
+     */
+    public static function calc_inclusive_tax( $price, $rates ) {
+        $taxes     = array();
+        $tax_rates = wp_list_pluck( $rates, 'rate', 'name' );
+
+        // Add tax rates.
+        $tax_rate  = 1 + ( array_sum( $tax_rates ) / 100 );
+
+        foreach ( $tax_rates as $name => $rate ) {
+            $the_rate       = ( $rate / 100 ) / $tax_rate;
+            $net_price      = $price - ( $the_rate * $price );
+            $tax_amount     = apply_filters( 'getpaid_price_inc_tax_amount', $price - $net_price, $name, $rate, $price );
+            $taxes[ $name ] = $tax_amount;
+        }
+
+        // Round all taxes to precision (4DP) before passing them back.
+        $taxes = array_map( array( __CLASS__, 'round' ), $taxes );
+
+        return $taxes;
+    }
+
+    /**
+     * Calc tax from exclusive price.
+     *
+     * @param  float $price Price to calculate tax for.
+     * @param  array $rates Array of tax rates.
+     * @return array
+     */
+    public static function calc_exclusive_tax( $price, $rates ) {
+        $taxes     = array();
+        $tax_rates = wp_list_pluck( $rates, 'rate', 'name' );
+
+        foreach ( $tax_rates as $name => $rate ) {
+
+            $tax_amount     = $price * ( $rate / 100 );
+            $taxes[ $name ] = apply_filters( 'getpaid_price_ex_tax_amount', $tax_amount, $name, $rate, $price );
+
+        }
+
+        // Round all taxes to precision (4DP) before passing them back.
+        $taxes = array_map( array( __CLASS__, 'round' ), $taxes );
+
+        return $taxes;
+    }
+
+    /**
+     * Get's an array of all tax rates.
+     *
+     * @return array
+     */
+    public static function get_all_tax_rates() {
+
+        $rates = get_option( 'wpinv_tax_rates', array() );
+
+        return apply_filters(
+            'getpaid_get_all_tax_rates',
+            array_filter( wpinv_parse_list( $rates ) )
+        );
+
+    }
+
+    /**
+     * Get's an array of default tax rates.
+     *
+     * @return array
+     */
+    public static function get_default_tax_rates() {
+
+        return apply_filters(
+            'getpaid_get_default_tax_rates',
+            array(
+                array(
+                    'country'   => wpinv_get_default_country(),
+                    'state'     => wpinv_get_default_state(),
+                    'global'    => true,
+                    'rate'      => wpinv_get_default_tax_rate(),
+                    'name'      => __( 'Base Tax', 'invoicing' ),
+                )
+            )
+        );
+
+    }
+
+    /**
+     * Get's an array of tax rates for a given address.
+     *
+     * @param string $country
+     * @param string $state
+     * @return array
+     */
+    public static function get_address_tax_rates( $country, $state ) {
+
+        $all_tax_rates  = self::get_all_tax_rates();
+        $matching_rates = array_merge(
+            wp_list_filter( $all_tax_rates, array( 'country' => $country ) ),
+            wp_list_filter( $all_tax_rates, array( 'country' => '' ) )
+        );
+
+        foreach ( $matching_rates as $i => $rate ) {
+
+            $states = array_filter( wpinv_clean( explode( ',', strtolower( $rate['state'] ) ) ) );
+            if ( empty( $rate['global'] ) && ! in_array( strtolower( $state ), $states ) ) {
+                unset( $matching_rates[ $i ] );
+            }
+
+        }
+
+        return apply_filters( 'getpaid_get_address_tax_rates', $matching_rates, $country, $state );
+
+    }
+
+    /**
+     * Sums a set of taxes to form a single total. Result is rounded to precision.
+     *
+     * @param  array $taxes Array of taxes.
+     * @return float
+     */
+    public static function get_tax_total( $taxes ) {
+        return self::round( array_sum( $taxes ) );
+    }
+
+    /**
+     * Round to precision.
+     *
+     * Filter example: to return rounding to .5 cents you'd use:
+     *
+     * function euro_5cent_rounding( $in ) {
+     *      return round( $in / 5, 2 ) * 5;
+     * }
+     * add_filter( 'getpaid_tax_round', 'euro_5cent_rounding' );
+     *
+     * @param float|int $in Value to round.
+     * @return float
+     */
+    public static function round( $in ) {
+        return apply_filters( 'getpaid_tax_round', round( $in, 4 ), $in );
+    }
 
 }

includes/deprecated-functions.php

Indentation +3 added lines, -3 removed lines

@@ -246,7 +246,7 @@ 
  * @deprecated
  */
 function wpinv_get_payment_key( $invoice = 0 ) {
-	$invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice( $invoice );
     return $invoice->get_key();
 }
 
@@ -424,7 +424,7 @@ 
  * @deprecated
  */
 function wpinv_get_checkout_session() {
-	return false;
+    return false;
 }
 
 /**
@@ -1273,5 +1273,5 @@ 
  * @deprecated
  */
 function wpinv_get_subscription( $invoice ) {
-	return wpinv_get_invoice_subscription( $invoice );
+    return wpinv_get_invoice_subscription( $invoice );
 }

includes/data-stores/class-getpaid-subscription-data-store.php

Indentation +182 added lines, -182 removed lines

@@ -5,7 +5,7 @@ 
  *
  */
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -15,198 +15,198 @@ 
  */
 class GetPaid_Subscription_Data_Store {
 
-	/**
-	 * A map of database fields to data types.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $database_fields_to_data_type = array(
-		'id'                => '%d',
-		'customer_id'       => '%d',
-		'frequency'         => '%d',
-		'period'            => '%s',
-		'initial_amount'    => '%s',
-		'recurring_amount'  => '%s',
-		'bill_times'        => '%d',
-		'transaction_id'    => '%s',
-		'parent_payment_id' => '%d',
-		'product_id'        => '%d',
-		'created'           => '%s',
-		'expiration'        => '%s',
-		'trial_period'      => '%s',
-		'status'            => '%s',
-		'profile_id'        => '%s',
-	);
-
-	/*
+    /**
+     * A map of database fields to data types.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $database_fields_to_data_type = array(
+        'id'                => '%d',
+        'customer_id'       => '%d',
+        'frequency'         => '%d',
+        'period'            => '%s',
+        'initial_amount'    => '%s',
+        'recurring_amount'  => '%s',
+        'bill_times'        => '%d',
+        'transaction_id'    => '%s',
+        'parent_payment_id' => '%d',
+        'product_id'        => '%d',
+        'created'           => '%s',
+        'expiration'        => '%s',
+        'trial_period'      => '%s',
+        'status'            => '%s',
+        'profile_id'        => '%s',
+    );
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Method to create a new subscription in the database.
-	 *
-	 * @param WPInv_Subscription $subscription Subscription object.
-	 */
-	public function create( &$subscription ) {
-		global $wpdb;
-
-		$values  = array();
-		$formats = array();
-
-		$fields = $this->database_fields_to_data_type;
-		unset( $fields['id'] );
-
-		foreach ( $fields as $key => $format ) {
-			$method       = "get_$key";
-			$values[$key] = $subscription->$method( 'edit' );
-			$formats[]    = $format;
-		}
-
-		$result = $wpdb->insert( $wpdb->prefix . 'wpinv_subscriptions', $values, $formats );
-
-		if ( $result ) {
-			$subscription->set_id( $wpdb->insert_id );
-			$subscription->apply_changes();
-			$subscription->clear_cache();
-			update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id', $subscription->get_id() );
-			do_action( 'getpaid_new_subscription', $subscription );
-			return true;
-		}
-
-		return false;
-	}
-
-	/**
-	 * Method to read a subscription from the database.
-	 *
-	 * @param WPInv_Subscription $subscription Subscription object.
-	 *
-	 */
-	public function read( &$subscription ) {
-		global $wpdb;
-
-		$subscription->set_defaults();
-
-		if ( ! $subscription->get_id() ) {
-			$subscription->last_error = __( 'Invalid subscription ID.', 'invoicing' );
-			$subscription->set_id( 0 );
-			return false;
-		}
-
-		// Maybe retrieve from the cache.
-		$raw_subscription = wp_cache_get( $subscription->get_id(), 'getpaid_subscriptions' );
-
-		// If not found, retrieve from the db.
-		if ( false === $raw_subscription ) {
-
-			$raw_subscription = $wpdb->get_row(
-				$wpdb->prepare(
-					"SELECT * FROM {$wpdb->prefix}wpinv_subscriptions WHERE id = %d",
-					$subscription->get_id()
-				)
-			);
-
-			// Update the cache with our data
-			wp_cache_set( $subscription->get_id(), $raw_subscription, 'getpaid_subscriptions' );
-
-		}
-
-		if ( ! $raw_subscription ) {
-			$subscription->set_id( 0 );
-			$subscription->last_error = __( 'Invalid subscription ID.', 'invoicing' );
-			return false;
-		}
-
-		foreach ( array_keys( $this->database_fields_to_data_type ) as $key ) {
-			$method     = "set_$key";
-			$subscription->$method( $raw_subscription->$key );
-		}
-
-		$subscription->set_object_read( true );
-		do_action( 'getpaid_read_subscription', $subscription );
-
-	}
-
-	/**
-	 * Method to update a subscription in the database.
-	 *
-	 * @param WPInv_Subscription $subscription Subscription object.
-	 */
-	public function update( &$subscription ) {
-		global $wpdb;
-
-		$changes = $subscription->get_changes();
-		$values  = array();
-		$formats = array();
-
-		foreach ( $this->database_fields_to_data_type as $key => $format ) {
-			if ( array_key_exists( $key, $changes ) ) {
-				$method       = "get_$key";
-				$values[$key] = $subscription->$method( 'edit' );
-				$formats[]    = $format;
-			}
-		}
-
-		if ( empty( $values ) ) {
-			return;
-		}
-
-		$wpdb->update(
-			$wpdb->prefix . 'wpinv_subscriptions',
-			$values,
-			array(
-				'id' => $subscription->get_id(),
-			),
-			$formats,
-			'%d'
-		);
-
-		// Apply the changes.
-		$subscription->apply_changes();
-
-		// Delete cache.
-		$subscription->clear_cache();
-
-		update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id', $subscription->get_profile_id() );
-		update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id', $subscription->get_id() );
-
-		// Fire a hook.
-		do_action( 'getpaid_update_subscription', $subscription );
-
-	}
-
-	/**
-	 * Method to delete a subscription from the database.
-	 *
-	 * @param WPInv_Subscription $subscription
-	 */
-	public function delete( &$subscription ) {
-		global $wpdb;
-
-		$wpdb->query(
-			$wpdb->prepare(
-				"DELETE FROM {$wpdb->prefix}wpinv_subscriptions
+    /**
+     * Method to create a new subscription in the database.
+     *
+     * @param WPInv_Subscription $subscription Subscription object.
+     */
+    public function create( &$subscription ) {
+        global $wpdb;
+
+        $values  = array();
+        $formats = array();
+
+        $fields = $this->database_fields_to_data_type;
+        unset( $fields['id'] );
+
+        foreach ( $fields as $key => $format ) {
+            $method       = "get_$key";
+            $values[$key] = $subscription->$method( 'edit' );
+            $formats[]    = $format;
+        }
+
+        $result = $wpdb->insert( $wpdb->prefix . 'wpinv_subscriptions', $values, $formats );
+
+        if ( $result ) {
+            $subscription->set_id( $wpdb->insert_id );
+            $subscription->apply_changes();
+            $subscription->clear_cache();
+            update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id', $subscription->get_id() );
+            do_action( 'getpaid_new_subscription', $subscription );
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Method to read a subscription from the database.
+     *
+     * @param WPInv_Subscription $subscription Subscription object.
+     *
+     */
+    public function read( &$subscription ) {
+        global $wpdb;
+
+        $subscription->set_defaults();
+
+        if ( ! $subscription->get_id() ) {
+            $subscription->last_error = __( 'Invalid subscription ID.', 'invoicing' );
+            $subscription->set_id( 0 );
+            return false;
+        }
+
+        // Maybe retrieve from the cache.
+        $raw_subscription = wp_cache_get( $subscription->get_id(), 'getpaid_subscriptions' );
+
+        // If not found, retrieve from the db.
+        if ( false === $raw_subscription ) {
+
+            $raw_subscription = $wpdb->get_row(
+                $wpdb->prepare(
+                    "SELECT * FROM {$wpdb->prefix}wpinv_subscriptions WHERE id = %d",
+                    $subscription->get_id()
+                )
+            );
+
+            // Update the cache with our data
+            wp_cache_set( $subscription->get_id(), $raw_subscription, 'getpaid_subscriptions' );
+
+        }
+
+        if ( ! $raw_subscription ) {
+            $subscription->set_id( 0 );
+            $subscription->last_error = __( 'Invalid subscription ID.', 'invoicing' );
+            return false;
+        }
+
+        foreach ( array_keys( $this->database_fields_to_data_type ) as $key ) {
+            $method     = "set_$key";
+            $subscription->$method( $raw_subscription->$key );
+        }
+
+        $subscription->set_object_read( true );
+        do_action( 'getpaid_read_subscription', $subscription );
+
+    }
+
+    /**
+     * Method to update a subscription in the database.
+     *
+     * @param WPInv_Subscription $subscription Subscription object.
+     */
+    public function update( &$subscription ) {
+        global $wpdb;
+
+        $changes = $subscription->get_changes();
+        $values  = array();
+        $formats = array();
+
+        foreach ( $this->database_fields_to_data_type as $key => $format ) {
+            if ( array_key_exists( $key, $changes ) ) {
+                $method       = "get_$key";
+                $values[$key] = $subscription->$method( 'edit' );
+                $formats[]    = $format;
+            }
+        }
+
+        if ( empty( $values ) ) {
+            return;
+        }
+
+        $wpdb->update(
+            $wpdb->prefix . 'wpinv_subscriptions',
+            $values,
+            array(
+                'id' => $subscription->get_id(),
+            ),
+            $formats,
+            '%d'
+        );
+
+        // Apply the changes.
+        $subscription->apply_changes();
+
+        // Delete cache.
+        $subscription->clear_cache();
+
+        update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id', $subscription->get_profile_id() );
+        update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id', $subscription->get_id() );
+
+        // Fire a hook.
+        do_action( 'getpaid_update_subscription', $subscription );
+
+    }
+
+    /**
+     * Method to delete a subscription from the database.
+     *
+     * @param WPInv_Subscription $subscription
+     */
+    public function delete( &$subscription ) {
+        global $wpdb;
+
+        $wpdb->query(
+            $wpdb->prepare(
+                "DELETE FROM {$wpdb->prefix}wpinv_subscriptions
 				WHERE id = %d",
-				$subscription->get_id()
-			)
-		);
+                $subscription->get_id()
+            )
+        );
 
-		delete_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id' );
-		delete_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id' );
+        delete_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id' );
+        delete_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id' );
 
-		// Delete cache.
-		$subscription->clear_cache();
+        // Delete cache.
+        $subscription->clear_cache();
 
-		// Fire a hook.
-		do_action( 'getpaid_delete_subscription', $subscription );
+        // Fire a hook.
+        do_action( 'getpaid_delete_subscription', $subscription );
 
-		$subscription->set_id( 0 );
-	}
+        $subscription->set_id( 0 );
+    }
 
-	/*
+    /*
 	|--------------------------------------------------------------------------
 	| Additional Methods
 	|--------------------------------------------------------------------------

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

Indentation +13 added lines, -13 removed lines

@@ -6,7 +6,7 @@ 
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
-	exit; // Exit if accessed directly
+    exit; // Exit if accessed directly
 }
 
 /**
@@ -15,10 +15,10 @@ 
 class GetPaid_Meta_Box_Invoice_Subscription {
 
     /**
-	 * Output the subscription metabox.
-	 *
-	 * @param WP_Post $post
-	 */
+     * Output the subscription metabox.
+     *
+     * @param WP_Post $post
+     */
     public static function output( $post ) {
 
         // Fetch the invoice.
@@ -34,10 +34,10 @@ 
     }
 
     /**
-	 * Output the subscription invoices.
-	 *
-	 * @param WP_Post $post
-	 */
+     * Output the subscription invoices.
+     *
+     * @param WP_Post $post
+     */
     public static function output_invoices( $post ) {
 
         // Fetch the invoice.
@@ -53,10 +53,10 @@ 
     }
 
     /**
-	 * Outputs related subscriptions.
-	 *
-	 * @param WP_Post $post
-	 */
+     * Outputs related subscriptions.
+     *
+     * @param WP_Post $post
+     */
     public static function output_related( $post ) {
 
         // Fetch the invoice.

includes/wpinv-template-functions.php

Indentation +103 added lines, -103 removed lines

@@ -140,7 +140,7 @@ 
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
 function wpinv_get_template_html( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-	return getpaid_template()->get_template( $template_name, $args, $template_path, $default_path );
+    return getpaid_template()->get_template( $template_name, $args, $template_path, $default_path );
 }
 
 /**
@@ -158,7 +158,7 @@ 
  * @return string
  */
 function wpinv_get_theme_template_dir_name() {
-	return trailingslashit( apply_filters( 'wpinv_templates_dir', 'invoicing' ) );
+    return trailingslashit( apply_filters( 'wpinv_templates_dir', 'invoicing' ) );
 }
 
 /**
@@ -175,122 +175,122 @@ 
 }
 
 function wpinv_get_template_part( $slug, $name = null, $load = true ) {
-	do_action( 'get_template_part_' . $slug, $slug, $name );
+    do_action( 'get_template_part_' . $slug, $slug, $name );
 
-	// Setup possible parts
-	$templates = array();
-	if ( isset( $name ) )
-		$templates[] = $slug . '-' . $name . '.php';
-	$templates[] = $slug . '.php';
+    // Setup possible parts
+    $templates = array();
+    if ( isset( $name ) )
+        $templates[] = $slug . '-' . $name . '.php';
+    $templates[] = $slug . '.php';
 
-	// Allow template parts to be filtered
-	$templates = apply_filters( 'wpinv_get_template_part', $templates, $slug, $name );
+    // Allow template parts to be filtered
+    $templates = apply_filters( 'wpinv_get_template_part', $templates, $slug, $name );
 
-	// Return the part that is found
-	return wpinv_locate_tmpl( $templates, $load, false );
+    // Return the part that is found
+    return wpinv_locate_tmpl( $templates, $load, false );
 }
 
 function wpinv_locate_tmpl( $template_names, $load = false, $require_once = true ) {
-	// No file found yet
-	$located = false;
+    // No file found yet
+    $located = false;
 
-	// Try to find a template file
-	foreach ( (array)$template_names as $template_name ) {
+    // Try to find a template file
+    foreach ( (array)$template_names as $template_name ) {
 
-		// Continue if template is empty
-		if ( empty( $template_name ) )
-			continue;
+        // Continue if template is empty
+        if ( empty( $template_name ) )
+            continue;
 
-		// Trim off any slashes from the template name
-		$template_name = ltrim( $template_name, '/' );
+        // Trim off any slashes from the template name
+        $template_name = ltrim( $template_name, '/' );
 
-		// try locating this template file by looping through the template paths
-		foreach( wpinv_get_theme_template_paths() as $template_path ) {
+        // try locating this template file by looping through the template paths
+        foreach( wpinv_get_theme_template_paths() as $template_path ) {
 
-			if( file_exists( $template_path . $template_name ) ) {
-				$located = $template_path . $template_name;
-				break;
-			}
-		}
+            if( file_exists( $template_path . $template_name ) ) {
+                $located = $template_path . $template_name;
+                break;
+            }
+        }
 
-		if( !empty( $located ) ) {
-			break;
-		}
-	}
+        if( !empty( $located ) ) {
+            break;
+        }
+    }
 
-	if ( ( true == $load ) && ! empty( $located ) )
-		load_template( $located, $require_once );
+    if ( ( true == $load ) && ! empty( $located ) )
+        load_template( $located, $require_once );
 
-	return $located;
+    return $located;
 }
 
 function wpinv_get_theme_template_paths() {
-	$template_dir = wpinv_get_theme_template_dir_name();
+    $template_dir = wpinv_get_theme_template_dir_name();
 
-	$file_paths = array(
-		1 => trailingslashit( get_stylesheet_directory() ) . $template_dir,
-		10 => trailingslashit( get_template_directory() ) . $template_dir,
-		100 => wpinv_get_templates_dir()
-	);
+    $file_paths = array(
+        1 => trailingslashit( get_stylesheet_directory() ) . $template_dir,
+        10 => trailingslashit( get_template_directory() ) . $template_dir,
+        100 => wpinv_get_templates_dir()
+    );
 
-	$file_paths = apply_filters( 'wpinv_template_paths', $file_paths );
+    $file_paths = apply_filters( 'wpinv_template_paths', $file_paths );
 
-	// sort the file paths based on priority
-	ksort( $file_paths, SORT_NUMERIC );
+    // sort the file paths based on priority
+    ksort( $file_paths, SORT_NUMERIC );
 
-	return array_map( 'trailingslashit', $file_paths );
+    return array_map( 'trailingslashit', $file_paths );
 }
 
 function wpinv_checkout_meta_tags() {
 
-	$pages   = array();
-	$pages[] = wpinv_get_option( 'success_page' );
-	$pages[] = wpinv_get_option( 'failure_page' );
-	$pages[] = wpinv_get_option( 'invoice_history_page' );
-	$pages[] = wpinv_get_option( 'invoice_subscription_page' );
+    $pages   = array();
+    $pages[] = wpinv_get_option( 'success_page' );
+    $pages[] = wpinv_get_option( 'failure_page' );
+    $pages[] = wpinv_get_option( 'invoice_history_page' );
+    $pages[] = wpinv_get_option( 'invoice_subscription_page' );
 
-	if( !wpinv_is_checkout() && !is_page( $pages ) ) {
-		return;
-	}
+    if( !wpinv_is_checkout() && !is_page( $pages ) ) {
+        return;
+    }
 
-	echo '<meta name="robots" content="noindex,nofollow" />' . "\n";
+    echo '<meta name="robots" content="noindex,nofollow" />' . "\n";
 }
 add_action( 'wp_head', 'wpinv_checkout_meta_tags' );
 
 function wpinv_add_body_classes( $class ) {
-	$classes = (array)$class;
+    $classes = (array)$class;
 
-	if( wpinv_is_checkout() ) {
-		$classes[] = 'wpinv-checkout';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_checkout() ) {
+        $classes[] = 'wpinv-checkout';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_success_page() ) {
-		$classes[] = 'wpinv-success';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_success_page() ) {
+        $classes[] = 'wpinv-success';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_failed_transaction_page() ) {
-		$classes[] = 'wpinv-failed-transaction';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_failed_transaction_page() ) {
+        $classes[] = 'wpinv-failed-transaction';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_invoice_history_page() ) {
-		$classes[] = 'wpinv-history';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_invoice_history_page() ) {
+        $classes[] = 'wpinv-history';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_subscriptions_history_page() ) {
-		$classes[] = 'wpinv-subscription';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_subscriptions_history_page() ) {
+        $classes[] = 'wpinv-subscription';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_test_mode() ) {
-		$classes[] = 'wpinv-test-mode';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_test_mode() ) {
+        $classes[] = 'wpinv-test-mode';
+        $classes[] = 'wpinv-page';
+    }
 
-	return array_unique( $classes );
+    return array_unique( $classes );
 }
 add_filter( 'body_class', 'wpinv_add_body_classes' );
 
@@ -821,21 +821,21 @@ 
 
     $formatted_address = str_ireplace( array_keys( $replacements ), $replacements, $format );
     
-	// Remove unavailable tags.
+    // Remove unavailable tags.
     $formatted_address = preg_replace( "/\{\{\w+\}\}/", '', $formatted_address );
 
     // Clean up white space.
-	$formatted_address = preg_replace( '/  +/', ' ', trim( $formatted_address ) );
+    $formatted_address = preg_replace( '/  +/', ' ', trim( $formatted_address ) );
     $formatted_address = preg_replace( '/\n\n+/', "\n", $formatted_address );
     
     // Break newlines apart and remove empty lines/trim commas and white space.
-	$formatted_address = array_filter( array_map( 'wpinv_trim_formatted_address_line', explode( "\n", $formatted_address ) ) );
+    $formatted_address = array_filter( array_map( 'wpinv_trim_formatted_address_line', explode( "\n", $formatted_address ) ) );
 
     // Add html breaks.
-	$formatted_address = implode( $separator, $formatted_address );
+    $formatted_address = implode( $separator, $formatted_address );
 
-	// We're done!
-	return $formatted_address;
+    // We're done!
+    return $formatted_address;
     
 }
 
@@ -881,7 +881,7 @@ 
 function getpaid_display_invoice_subscriptions( $invoice ) {
 
     // Subscriptions.
-	$subscriptions = getpaid_get_invoice_subscriptions( $invoice );
+    $subscriptions = getpaid_get_invoice_subscriptions( $invoice );
 
     if ( empty( $subscriptions ) || ! $invoice->is_recurring() ) {
         return;
@@ -1089,7 +1089,7 @@ 
 }
 
 function wpinv_empty_cart_message() {
-	return apply_filters( 'wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __( 'Your cart is empty.', 'invoicing' ) . '</span>' );
+    return apply_filters( 'wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __( 'Your cart is empty.', 'invoicing' ) . '</span>' );
 }
 
 /**
@@ -1281,10 +1281,10 @@ 
 
     if ( 0 == count( $form->get_items() ) ) {
         echo aui()->alert(
-			array(
-				'type'    => 'warning',
-				'content' => __( 'No published items found', 'invoicing' ),
-			)
+            array(
+                'type'    => 'warning',
+                'content' => __( 'No published items found', 'invoicing' ),
+            )
         );
         return;
     }
@@ -1302,21 +1302,21 @@ 
     $invoice = wpinv_get_invoice( $invoice_id );
 
     if ( empty( $invoice ) ) {
-		echo aui()->alert(
-			array(
-				'type'    => 'warning',
-				'content' => __( 'Invoice not found', 'invoicing' ),
-			)
+        echo aui()->alert(
+            array(
+                'type'    => 'warning',
+                'content' => __( 'Invoice not found', 'invoicing' ),
+            )
         );
         return;
     }
 
     if ( $invoice->is_paid() ) {
-		echo aui()->alert(
-			array(
-				'type'    => 'warning',
-				'content' => __( 'Invoice has already been paid', 'invoicing' ),
-			)
+        echo aui()->alert(
+            array(
+                'type'    => 'warning',
+                'content' => __( 'Invoice has already been paid', 'invoicing' ),
+            )
         );
         return;
     }
@@ -1378,7 +1378,7 @@ 
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-form='$form'>$label</button>"; 
     }
 	
-	if ( ! empty( $items ) ) {
+    if ( ! empty( $items ) ) {
         $items  = esc_attr( $items );
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-item='$items'>$label</button>"; 
     }