AyeCode / invoicing

includes/class-wpinv-subscriptions.php

Spacing +101 added lines, -101 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 /**
  * Main Subscriptions class.
  *
@@ -14,31 +14,31 @@ 
     /**
 	 * Class constructor.
 	 */
-    public function __construct(){
+    public function __construct() {
 
         // Fire gateway specific hooks when a subscription changes.
-        add_action( 'getpaid_subscription_status_changed', array( $this, 'process_subscription_status_change' ), 10, 3 );
+        add_action('getpaid_subscription_status_changed', array($this, 'process_subscription_status_change'), 10, 3);
 
         // De-activate a subscription whenever the invoice changes payment statuses.
-        add_action( 'getpaid_invoice_status_wpi-refunded', array( $this, 'maybe_deactivate_invoice_subscription' ), 20 );
-        add_action( 'getpaid_invoice_status_wpi-failed', array( $this, 'maybe_deactivate_invoice_subscription' ), 20 );
-        add_action( 'getpaid_invoice_status_wpi-cancelled', array( $this, 'maybe_deactivate_invoice_subscription' ), 20 );
-        add_action( 'getpaid_invoice_status_wpi-pending', array( $this, 'maybe_deactivate_invoice_subscription' ), 20 );
+        add_action('getpaid_invoice_status_wpi-refunded', array($this, 'maybe_deactivate_invoice_subscription'), 20);
+        add_action('getpaid_invoice_status_wpi-failed', array($this, 'maybe_deactivate_invoice_subscription'), 20);
+        add_action('getpaid_invoice_status_wpi-cancelled', array($this, 'maybe_deactivate_invoice_subscription'), 20);
+        add_action('getpaid_invoice_status_wpi-pending', array($this, 'maybe_deactivate_invoice_subscription'), 20);
 
         // Handles subscription cancelations.
-        add_action( 'getpaid_authenticated_action_subscription_cancel', array( $this, 'user_cancel_single_subscription' ) );
+        add_action('getpaid_authenticated_action_subscription_cancel', array($this, 'user_cancel_single_subscription'));
 
         // Create a subscription whenever an invoice is created, (and update it when it is updated).
-        add_action( 'getpaid_new_invoice', array( $this, 'maybe_create_invoice_subscription' ) );
-        add_action( 'getpaid_update_invoice', array( $this, 'maybe_update_invoice_subscription' ) );
+        add_action('getpaid_new_invoice', array($this, 'maybe_create_invoice_subscription'));
+        add_action('getpaid_update_invoice', array($this, 'maybe_update_invoice_subscription'));
 
         // Handles admin subscription update actions.
-        add_action( 'getpaid_authenticated_admin_action_update_single_subscription', array( $this, 'admin_update_single_subscription' ) );
-        add_action( 'getpaid_authenticated_admin_action_subscription_manual_renew', array( $this, 'admin_renew_single_subscription' ) );
-        add_action( 'getpaid_authenticated_admin_action_subscription_manual_delete', array( $this, 'admin_delete_single_subscription' ) );
+        add_action('getpaid_authenticated_admin_action_update_single_subscription', array($this, 'admin_update_single_subscription'));
+        add_action('getpaid_authenticated_admin_action_subscription_manual_renew', array($this, 'admin_renew_single_subscription'));
+        add_action('getpaid_authenticated_admin_action_subscription_manual_delete', array($this, 'admin_delete_single_subscription'));
 
         // Filter invoice item row actions.
-        add_action( 'getpaid-invoice-page-line-item-actions', array( $this, 'filter_invoice_line_item_actions' ), 10, 3 );
+        add_action('getpaid-invoice-page-line-item-actions', array($this, 'filter_invoice_line_item_actions'), 10, 3);
     }
 
     /**
@@ -47,19 +47,19 @@ 
      * @param WPInv_Invoice $invoice
      * @return WPInv_Subscription|bool
      */
-    public function get_invoice_subscription( $invoice ) {
+    public function get_invoice_subscription($invoice) {
         $subscription_id = $invoice->get_subscription_id();
 
         // Fallback to the parent invoice if the child invoice has no subscription id.
-        if ( empty( $subscription_id && $invoice->is_renewal() ) ) {
+        if (empty($subscription_id && $invoice->is_renewal())) {
             $subscription_id = $invoice->get_parent_payment()->get_subscription_id();
         }
 
         // Fetch the subscription.
-        $subscription = new WPInv_Subscription( $subscription_id );
+        $subscription = new WPInv_Subscription($subscription_id);
 
         // Return subscription or use a fallback for backwards compatibility.
-        return $subscription->get_id() ? $subscription : wpinv_get_subscription( $invoice );
+        return $subscription->get_id() ? $subscription : wpinv_get_subscription($invoice);
     }
 
     /**
@@ -67,16 +67,16 @@ 
      * 
      * @param WPInv_Invoice $invoice
      */
-    public function maybe_deactivate_invoice_subscription( $invoice ) {
+    public function maybe_deactivate_invoice_subscription($invoice) {
 
-        $subscription = $this->get_invoice_subscription( $invoice );
+        $subscription = $this->get_invoice_subscription($invoice);
 
         // Abort if the subscription is missing or not active.
-        if ( empty( $subscription ) || ! $subscription->is_active() ) {
+        if (empty($subscription) || !$subscription->is_active()) {
             return;
         }
 
-        $subscription->set_status( 'pending' );
+        $subscription->set_status('pending');
         $subscription->save();
 
     }
@@ -88,15 +88,15 @@ 
      * @param string $from
      * @param string $to
 	 */
-    public function process_subscription_status_change( $subscription, $from, $to ) {
+    public function process_subscription_status_change($subscription, $from, $to) {
 
         $gateway = $subscription->get_gateway();
 
-        if ( ! empty( $gateway ) ) {
-            $gateway = sanitize_key( $gateway );
-            $from    = sanitize_key( $from );
-            $to      = sanitize_key( $to );
-            do_action( "getpaid_{$gateway}_subscription_$to", $subscription, $from );
+        if (!empty($gateway)) {
+            $gateway = sanitize_key($gateway);
+            $from    = sanitize_key($from);
+            $to      = sanitize_key($to);
+            do_action("getpaid_{$gateway}_subscription_$to", $subscription, $from);
         }
 
     }
@@ -109,8 +109,8 @@ 
      * @deprecated
      * @return mixed|string|void
      */
-    public static function wpinv_get_pretty_subscription_frequency( $period, $frequency_count = 1 ) {
-        return getpaid_get_subscription_period_label( $period, $frequency_count );
+    public static function wpinv_get_pretty_subscription_frequency($period, $frequency_count = 1) {
+        return getpaid_get_subscription_period_label($period, $frequency_count);
     }
 
     /**
@@ -120,29 +120,29 @@ 
      * @since       1.0.0
      * @return      void
      */
-    public function user_cancel_single_subscription( $data ) {
+    public function user_cancel_single_subscription($data) {
 
         // Ensure there is a subscription to cancel.
-        if ( empty( $data['subscription'] ) ) {
+        if (empty($data['subscription'])) {
             return;
         }
 
-        $subscription = new WPInv_Subscription( (int) $data['subscription'] );
+        $subscription = new WPInv_Subscription((int) $data['subscription']);
 
         // Ensure that it exists and that it belongs to the current user.
-        if ( ! $subscription->get_id() || $subscription->get_customer_id() != get_current_user_id() ) {
-            wpinv_set_error( 'invalid_subscription', __( 'You do not have permission to cancel this subscription', 'invoicing' ) );
+        if (!$subscription->get_id() || $subscription->get_customer_id() != get_current_user_id()) {
+            wpinv_set_error('invalid_subscription', __('You do not have permission to cancel this subscription', 'invoicing'));
 
         // Can it be cancelled.
-        } else if ( ! $subscription->can_cancel() ) {
-            wpinv_set_error( 'cannot_cancel', __( 'This subscription cannot be cancelled as it is not active.', 'invoicing' ) );
+        } else if (!$subscription->can_cancel()) {
+            wpinv_set_error('cannot_cancel', __('This subscription cannot be cancelled as it is not active.', 'invoicing'));
             
 
         // Cancel it.
         } else {
 
             $subscription->cancel();
-            wpinv_set_error( 'cancelled', __( 'This subscription has been cancelled.', 'invoicing' ), 'info' );
+            wpinv_set_error('cancelled', __('This subscription has been cancelled.', 'invoicing'), 'info');
         }
 
         $redirect = add_query_arg(
@@ -152,7 +152,7 @@ 
             )
         );
 
-        wp_safe_redirect( esc_url( $redirect ) );
+        wp_safe_redirect(esc_url($redirect));
         exit;
 
     }
@@ -164,15 +164,15 @@ 
      * @param       WPInv_Invoice $invoice
      * @since       1.0.0
      */
-    public function maybe_create_invoice_subscription( $invoice ) {
+    public function maybe_create_invoice_subscription($invoice) {
 
         // Abort if it is not recurring.
-        if ( $invoice->is_free() || ! $invoice->is_recurring() || $invoice->is_renewal() ) {
+        if ($invoice->is_free() || !$invoice->is_recurring() || $invoice->is_renewal()) {
             return;
         }
 
         $subscription = new WPInv_Subscription();
-        return $this->update_invoice_subscription( $subscription, $invoice );
+        return $this->update_invoice_subscription($subscription, $invoice);
 
     }
 
@@ -183,25 +183,25 @@ 
      * @param       WPInv_Invoice $invoice
      * @since       1.0.19
      */
-    public function maybe_update_invoice_subscription( $invoice ) {
+    public function maybe_update_invoice_subscription($invoice) {
 
         // Do not process renewals.
-        if ( $invoice->is_renewal() ) {
+        if ($invoice->is_renewal()) {
             return;
         }
 
         // (Maybe) create a new subscription.
-        $subscription = $this->get_invoice_subscription( $invoice );
-        if ( empty( $subscription ) ) {
-            return $this->maybe_create_invoice_subscription( $invoice );
+        $subscription = $this->get_invoice_subscription($invoice);
+        if (empty($subscription)) {
+            return $this->maybe_create_invoice_subscription($invoice);
         }
 
         // Abort if an invoice is paid and already has a subscription.
-        if ( $invoice->is_paid() || $invoice->is_refunded() ) {
+        if ($invoice->is_paid() || $invoice->is_refunded()) {
             return;
         }
 
-        return $this->update_invoice_subscription( $subscription, $invoice );
+        return $this->update_invoice_subscription($subscription, $invoice);
 
     }
 
@@ -213,55 +213,55 @@ 
      * @param       WPInv_Invoice $invoice
      * @since       1.0.19
      */
-    public function update_invoice_subscription( $subscription, $invoice ) {
+    public function update_invoice_subscription($subscription, $invoice) {
 
         // Delete the subscription if an invoice is free or nolonger recurring.
-        if ( $invoice->is_free() || ! $invoice->is_recurring() ) {
+        if ($invoice->is_free() || !$invoice->is_recurring()) {
             return $subscription->delete();
         }
 
-        $subscription->set_customer_id( $invoice->get_customer_id() );
-        $subscription->set_parent_invoice_id( $invoice->get_id() );
-        $subscription->set_initial_amount( $invoice->get_initial_total() );
-        $subscription->set_recurring_amount( $invoice->get_recurring_total() );
-        $subscription->set_date_created( current_time( 'mysql' ) );
-        $subscription->set_status( $invoice->is_paid() ? 'active' : 'pending' );
+        $subscription->set_customer_id($invoice->get_customer_id());
+        $subscription->set_parent_invoice_id($invoice->get_id());
+        $subscription->set_initial_amount($invoice->get_initial_total());
+        $subscription->set_recurring_amount($invoice->get_recurring_total());
+        $subscription->set_date_created(current_time('mysql'));
+        $subscription->set_status($invoice->is_paid() ? 'active' : 'pending');
 
         // Get the recurring item and abort if it does not exist.
-        $subscription_item = $invoice->get_recurring( true );
-        if ( ! $subscription_item->get_id() ) {
+        $subscription_item = $invoice->get_recurring(true);
+        if (!$subscription_item->get_id()) {
             $invoice->set_subscription_id(0);
             $invoice->save();
             return $subscription->delete();
         }
 
-        $subscription->set_product_id( $subscription_item->get_id() );
-        $subscription->set_period( $subscription_item->get_recurring_period( true ) );
-        $subscription->set_frequency( $subscription_item->get_recurring_interval() );
-        $subscription->set_bill_times( $subscription_item->get_recurring_limit() );
+        $subscription->set_product_id($subscription_item->get_id());
+        $subscription->set_period($subscription_item->get_recurring_period(true));
+        $subscription->set_frequency($subscription_item->get_recurring_interval());
+        $subscription->set_bill_times($subscription_item->get_recurring_limit());
 
         // Calculate the next renewal date.
-        $period       = $subscription_item->get_recurring_period( true );
+        $period       = $subscription_item->get_recurring_period(true);
         $interval     = $subscription_item->get_recurring_interval();
 
         // If the subscription item has a trial period...
-        if ( $subscription_item->has_free_trial() ) {
-            $period   = $subscription_item->get_trial_period( true );
+        if ($subscription_item->has_free_trial()) {
+            $period   = $subscription_item->get_trial_period(true);
             $interval = $subscription_item->get_trial_interval();
-            $subscription->set_trial_period( $interval . ' ' . $period );
-            $subscription->set_status( 'trialling' );
+            $subscription->set_trial_period($interval . ' ' . $period);
+            $subscription->set_status('trialling');
         }
 
         // If initial amount is free, treat it as a free trial even if the subscription item does not have a free trial.
-        if ( $invoice->has_free_trial() ) {
-            $subscription->set_trial_period( $interval . ' ' . $period );
-            $subscription->set_status( 'trialling' );
+        if ($invoice->has_free_trial()) {
+            $subscription->set_trial_period($interval . ' ' . $period);
+            $subscription->set_status('trialling');
         }
 
         // Calculate the next renewal date.
-        $expiration = date( 'Y-m-d H:i:s', strtotime( "+$interval $period", strtotime( $subscription->get_date_created() ) ) );
+        $expiration = date('Y-m-d H:i:s', strtotime("+$interval $period", strtotime($subscription->get_date_created())));
 
-        $subscription->set_next_renewal_date( $expiration );
+        $subscription->set_next_renewal_date($expiration);
         return $subscription->save();
 
     }
@@ -272,21 +272,21 @@ 
      * @param       array $data
      * @since       1.0.19
      */
-    public function admin_update_single_subscription( $args ) {
+    public function admin_update_single_subscription($args) {
 
         // Ensure the subscription exists and that a status has been given.
-        if ( empty( $args['subscription_id'] ) || empty( $args['subscription_status'] ) ) {
+        if (empty($args['subscription_id']) || empty($args['subscription_status'])) {
             return;
         }
 
         // Retrieve the subscriptions.
-        $subscription = new WPInv_Subscription( $args['subscription_id'] );
+        $subscription = new WPInv_Subscription($args['subscription_id']);
 
-        if ( $subscription->get_id() ) {
+        if ($subscription->get_id()) {
 
-            $subscription->set_status( $args['subscription_status'] );
+            $subscription->set_status($args['subscription_status']);
             $subscription->save();
-            getpaid_admin()->show_info( __( 'Your changes have been saved', 'invoicing' ) );
+            getpaid_admin()->show_info(__('Your changes have been saved', 'invoicing'));
 
         }
 
@@ -298,27 +298,27 @@ 
      * @param       array $data
      * @since       1.0.19
      */
-    public function admin_renew_single_subscription( $args ) {
+    public function admin_renew_single_subscription($args) {
 
         // Ensure the subscription exists and that a status has been given.
-        if ( empty( $args['id'] ) ) {
+        if (empty($args['id'])) {
             return;
         }
 
         // Retrieve the subscriptions.
-        $subscription = new WPInv_Subscription( $args['id'] );
+        $subscription = new WPInv_Subscription($args['id']);
 
-        if ( $subscription->get_id() ) {
+        if ($subscription->get_id()) {
 
-            do_action( 'getpaid_admin_renew_subscription', $subscription );
+            do_action('getpaid_admin_renew_subscription', $subscription);
 
-            $args = array( 'transaction_id', $subscription->get_parent_invoice()->generate_key( 'renewal_' ) );
+            $args = array('transaction_id', $subscription->get_parent_invoice()->generate_key('renewal_'));
 
-            if ( ! $subscription->add_payment( $args ) ) {
-                getpaid_admin()->show_error( __( 'We are unable to renew this subscription as the parent invoice does not exist.', 'invoicing' ) );
+            if (!$subscription->add_payment($args)) {
+                getpaid_admin()->show_error(__('We are unable to renew this subscription as the parent invoice does not exist.', 'invoicing'));
             } else {
                 $subscription->renew();
-                getpaid_admin()->show_info( __( 'This subscription has been renewed and extended.', 'invoicing' ) );
+                getpaid_admin()->show_info(__('This subscription has been renewed and extended.', 'invoicing'));
             } 
 
             wp_safe_redirect(
@@ -341,20 +341,20 @@ 
      * @param       array $data
      * @since       1.0.19
      */
-    public function admin_delete_single_subscription( $args ) {
+    public function admin_delete_single_subscription($args) {
 
         // Ensure the subscription exists and that a status has been given.
-        if ( empty( $args['id'] ) ) {
+        if (empty($args['id'])) {
             return;
         }
 
         // Retrieve the subscriptions.
-        $subscription = new WPInv_Subscription( $args['id'] );
+        $subscription = new WPInv_Subscription($args['id']);
 
-        if ( $subscription->delete() ) {
-            getpaid_admin()->show_info( __( 'This subscription has been deleted.', 'invoicing' ) );
+        if ($subscription->delete()) {
+            getpaid_admin()->show_info(__('This subscription has been deleted.', 'invoicing'));
         } else {
-            getpaid_admin()->show_error( __( 'We are unable to delete this subscription. Please try again.', 'invoicing' ) );
+            getpaid_admin()->show_error(__('We are unable to delete this subscription. Please try again.', 'invoicing'));
         }
     
         $redirected = wp_safe_redirect(
@@ -367,7 +367,7 @@ 
             )
         );
 
-        if ( $redirected ) {
+        if ($redirected) {
             exit;
         }
 
@@ -380,10 +380,10 @@ 
      * @param WPInv_Item $item
      * @param WPInv_Invoice $invoice
      */
-    public function filter_invoice_line_item_actions( $actions, $item, $invoice ) {
+    public function filter_invoice_line_item_actions($actions, $item, $invoice) {
 
         // Fetch item subscription.
-        $args  = array(
+        $args = array(
             'invoice_in'  => $invoice->is_parent() ? $invoice->get_id() : $invoice->get_parent_id(),
             'item_in'     => $item->get_id(),
             'number'      => 1,
@@ -391,13 +391,13 @@ 
             'fields'      => 'id',
         );
 
-        $subscription = new GetPaid_Subscriptions_Query( $args );
+        $subscription = new GetPaid_Subscriptions_Query($args);
         $subscription = $subscription->get_results();
 
         // In case we found a match...
-        if ( ! empty( $subscription ) ) {
-            $url                     = esc_url( add_query_arg( 'subscription', (int) $subscription[0], get_permalink( (int) wpinv_get_option( 'invoice_subscription_page' ) ) ) );
-            $actions['subscription'] = "<a href='$url' class='text-decoration-none'>" . __( 'Manage Subscription', 'getpaid-license-manager' ) . '</a>';
+        if (!empty($subscription)) {
+            $url                     = esc_url(add_query_arg('subscription', (int) $subscription[0], get_permalink((int) wpinv_get_option('invoice_subscription_page'))));
+            $actions['subscription'] = "<a href='$url' class='text-decoration-none'>" . __('Manage Subscription', 'getpaid-license-manager') . '</a>';
         }
 
         return $actions;

includes/gateways/class-getpaid-paypal-gateway-ipn-handler.php

Indentation +367 added lines, -367 removed lines

@@ -12,431 +12,431 @@
  */
 class GetPaid_Paypal_Gateway_IPN_Handler {
 
-	/**
-	 * Payment method id.
-	 *
-	 * @var string
-	 */
-	protected $id = 'paypal';
-
-	/**
-	 * Payment method object.
-	 *
-	 * @var GetPaid_Paypal_Gateway
-	 */
-	protected $gateway;
-
-	/**
-	 * Class constructor.
-	 *
-	 * @param GetPaid_Paypal_Gateway $gateway
-	 */
-	public function __construct( $gateway ) {
-		$this->gateway = $gateway;
-		$this->verify_ipn();
-	}
-
-	/**
-	 * Processes ipns and marks payments as complete.
-	 *
-	 * @return void
-	 */
-	public function verify_ipn() {
-
-		wpinv_error_log( 'GetPaid PayPal IPN Handler' );
-
-		// Validate the IPN.
-		if ( empty( $_POST ) || ! $this->validate_ipn() ) {
-			wp_die( 'PayPal IPN Request Failure', 500 );
-		}
-
-		// Process the IPN.
-		$posted  = wp_unslash( $_POST );
-		$invoice = $this->get_ipn_invoice( $posted );
-
-		// Abort if it was not paid by our gateway.
-		if ( $this->id != $invoice->get_gateway() ) {
-			wpinv_error_log( 'Aborting, Invoice was not paid via PayPal' );
-			wp_die( 'Invoice not paid via PayPal', 500 );
-		}
-
-		$posted['payment_status'] = isset( $posted['payment_status'] ) ? sanitize_key( strtolower( $posted['payment_status'] ) ) : '';
-		$posted['txn_type']       = sanitize_key( strtolower( $posted['txn_type'] ) );
-
-		wpinv_error_log( 'Payment status:' . $posted['payment_status'] );
-		wpinv_error_log( 'IPN Type:' . $posted['txn_type'] );
-
-		if ( method_exists( $this, 'ipn_txn_' . $posted['txn_type'] ) ) {
-			call_user_func( array( $this, 'ipn_txn_' . $posted['txn_type'] ), $invoice, $posted );
-			wpinv_error_log( 'Done processing IPN' );
-			wp_die( 'Processed', 200 );
-		}
-
-		wpinv_error_log( 'Aborting, Unsupported IPN type:' . $posted['txn_type'] );
-		wp_die( 'Unsupported IPN type', 200 );
-
-	}
-
-	/**
-	 * Retrieves IPN Invoice.
-	 *
-	 * @param array $posted
-	 * @return WPInv_Invoice
-	 */
-	protected function get_ipn_invoice( $posted ) {
-
-		wpinv_error_log( 'Retrieving PayPal IPN Response Invoice' );
-
-		if ( ! empty( $posted['custom'] ) ) {
-			$invoice = new WPInv_Invoice( $posted['custom'] );
-
-			if ( $invoice->exists() ) {
-				wpinv_error_log( 'Found invoice #' . $invoice->get_number() );
-				return $invoice;
-			}
-
-		}
-
-		wpinv_error_log( 'Could not retrieve the associated invoice.' );
-		wp_die( 'Could not retrieve the associated invoice.', 500 );
-	}
-
-	/**
-	 * Check PayPal IPN validity.
-	 */
-	protected function validate_ipn() {
-
-		wpinv_error_log( 'Validating PayPal IPN response' );
-
-		// Retrieve the associated invoice.
-		$posted  = wp_unslash( $_POST );
-		$invoice = $this->get_ipn_invoice( $posted );
-
-		if ( $this->gateway->is_sandbox( $invoice ) ) {
-			wpinv_error_log( $posted, 'Invoice was processed in sandbox hence logging the posted data' );
-		}
-
-		// Validate the IPN.
-		$posted['cmd'] = '_notify-validate';
-
-		// Send back post vars to paypal.
-		$params = array(
-			'body'        => $posted,
-			'timeout'     => 60,
-			'httpversion' => '1.1',
-			'compress'    => false,
-			'decompress'  => false,
-			'user-agent'  => 'GetPaid/' . WPINV_VERSION,
-		);
-
-		// Post back to get a response.
-		$response = wp_safe_remote_post( $this->gateway->is_sandbox( $invoice ) ? 'https://www.sandbox.paypal.com/cgi-bin/webscr' : 'https://www.paypal.com/cgi-bin/webscr', $params );
-
-		// Check to see if the request was valid.
-		if ( ! is_wp_error( $response ) && $response['response']['code'] < 300 && strstr( $response['body'], 'VERIFIED' ) ) {
-			wpinv_error_log( $response['body'], 'Received valid response from PayPal IPN' );
-			return true;
-		}
-
-		if ( is_wp_error( $response ) ) {
-			wpinv_error_log( $response->get_error_message(), 'Received invalid response from PayPal IPN' );
-			return false;
-		}
+    /**
+     * Payment method id.
+     *
+     * @var string
+     */
+    protected $id = 'paypal';
+
+    /**
+     * Payment method object.
+     *
+     * @var GetPaid_Paypal_Gateway
+     */
+    protected $gateway;
+
+    /**
+     * Class constructor.
+     *
+     * @param GetPaid_Paypal_Gateway $gateway
+     */
+    public function __construct( $gateway ) {
+        $this->gateway = $gateway;
+        $this->verify_ipn();
+    }
+
+    /**
+     * Processes ipns and marks payments as complete.
+     *
+     * @return void
+     */
+    public function verify_ipn() {
+
+        wpinv_error_log( 'GetPaid PayPal IPN Handler' );
+
+        // Validate the IPN.
+        if ( empty( $_POST ) || ! $this->validate_ipn() ) {
+            wp_die( 'PayPal IPN Request Failure', 500 );
+        }
+
+        // Process the IPN.
+        $posted  = wp_unslash( $_POST );
+        $invoice = $this->get_ipn_invoice( $posted );
+
+        // Abort if it was not paid by our gateway.
+        if ( $this->id != $invoice->get_gateway() ) {
+            wpinv_error_log( 'Aborting, Invoice was not paid via PayPal' );
+            wp_die( 'Invoice not paid via PayPal', 500 );
+        }
+
+        $posted['payment_status'] = isset( $posted['payment_status'] ) ? sanitize_key( strtolower( $posted['payment_status'] ) ) : '';
+        $posted['txn_type']       = sanitize_key( strtolower( $posted['txn_type'] ) );
+
+        wpinv_error_log( 'Payment status:' . $posted['payment_status'] );
+        wpinv_error_log( 'IPN Type:' . $posted['txn_type'] );
+
+        if ( method_exists( $this, 'ipn_txn_' . $posted['txn_type'] ) ) {
+            call_user_func( array( $this, 'ipn_txn_' . $posted['txn_type'] ), $invoice, $posted );
+            wpinv_error_log( 'Done processing IPN' );
+            wp_die( 'Processed', 200 );
+        }
+
+        wpinv_error_log( 'Aborting, Unsupported IPN type:' . $posted['txn_type'] );
+        wp_die( 'Unsupported IPN type', 200 );
+
+    }
+
+    /**
+     * Retrieves IPN Invoice.
+     *
+     * @param array $posted
+     * @return WPInv_Invoice
+     */
+    protected function get_ipn_invoice( $posted ) {
+
+        wpinv_error_log( 'Retrieving PayPal IPN Response Invoice' );
+
+        if ( ! empty( $posted['custom'] ) ) {
+            $invoice = new WPInv_Invoice( $posted['custom'] );
+
+            if ( $invoice->exists() ) {
+                wpinv_error_log( 'Found invoice #' . $invoice->get_number() );
+                return $invoice;
+            }
+
+        }
+
+        wpinv_error_log( 'Could not retrieve the associated invoice.' );
+        wp_die( 'Could not retrieve the associated invoice.', 500 );
+    }
+
+    /**
+     * Check PayPal IPN validity.
+     */
+    protected function validate_ipn() {
+
+        wpinv_error_log( 'Validating PayPal IPN response' );
+
+        // Retrieve the associated invoice.
+        $posted  = wp_unslash( $_POST );
+        $invoice = $this->get_ipn_invoice( $posted );
+
+        if ( $this->gateway->is_sandbox( $invoice ) ) {
+            wpinv_error_log( $posted, 'Invoice was processed in sandbox hence logging the posted data' );
+        }
+
+        // Validate the IPN.
+        $posted['cmd'] = '_notify-validate';
+
+        // Send back post vars to paypal.
+        $params = array(
+            'body'        => $posted,
+            'timeout'     => 60,
+            'httpversion' => '1.1',
+            'compress'    => false,
+            'decompress'  => false,
+            'user-agent'  => 'GetPaid/' . WPINV_VERSION,
+        );
+
+        // Post back to get a response.
+        $response = wp_safe_remote_post( $this->gateway->is_sandbox( $invoice ) ? 'https://www.sandbox.paypal.com/cgi-bin/webscr' : 'https://www.paypal.com/cgi-bin/webscr', $params );
+
+        // Check to see if the request was valid.
+        if ( ! is_wp_error( $response ) && $response['response']['code'] < 300 && strstr( $response['body'], 'VERIFIED' ) ) {
+            wpinv_error_log( $response['body'], 'Received valid response from PayPal IPN' );
+            return true;
+        }
+
+        if ( is_wp_error( $response ) ) {
+            wpinv_error_log( $response->get_error_message(), 'Received invalid response from PayPal IPN' );
+            return false;
+        }
 
-		wpinv_error_log( $response['body'], 'Received invalid response from PayPal IPN' );
-		return false;
-
-	}
+        wpinv_error_log( $response['body'], 'Received invalid response from PayPal IPN' );
+        return false;
+
+    }
 
-	/**
-	 * Check currency from IPN matches the invoice.
-	 *
-	 * @param WPInv_Invoice $invoice          Invoice object.
-	 * @param string   $currency currency to validate.
-	 */
-	protected function validate_ipn_currency( $invoice, $currency ) {
+    /**
+     * Check currency from IPN matches the invoice.
+     *
+     * @param WPInv_Invoice $invoice          Invoice object.
+     * @param string   $currency currency to validate.
+     */
+    protected function validate_ipn_currency( $invoice, $currency ) {
 
-		if ( strtolower( $invoice->get_currency() ) !== strtolower( $currency ) ) {
+        if ( strtolower( $invoice->get_currency() ) !== strtolower( $currency ) ) {
 
-			/* translators: %s: currency code. */
-			$invoice->update_status( 'wpi-processing', sprintf( __( 'Validation error: PayPal currencies do not match (code %s).', 'invoicing' ), $currency ) );
+            /* translators: %s: currency code. */
+            $invoice->update_status( 'wpi-processing', sprintf( __( 'Validation error: PayPal currencies do not match (code %s).', 'invoicing' ), $currency ) );
 
-			wpinv_error_log( "Currencies do not match: {$currency} instead of {$invoice->get_currency()}", 'IPN Error', __FILE__, __LINE__, true );
-		}
+            wpinv_error_log( "Currencies do not match: {$currency} instead of {$invoice->get_currency()}", 'IPN Error', __FILE__, __LINE__, true );
+        }
 
-		wpinv_error_log( $currency, 'Validated IPN Currency' );
-	}
+        wpinv_error_log( $currency, 'Validated IPN Currency' );
+    }
 
-	/**
-	 * Check payment amount from IPN matches the invoice.
-	 *
-	 * @param WPInv_Invoice $invoice          Invoice object.
-	 * @param float   $amount amount to validate.
-	 */
-	protected function validate_ipn_amount( $invoice, $amount ) {
-		if ( number_format( $invoice->get_total(), 2, '.', '' ) !== number_format( $amount, 2, '.', '' ) ) {
+    /**
+     * Check payment amount from IPN matches the invoice.
+     *
+     * @param WPInv_Invoice $invoice          Invoice object.
+     * @param float   $amount amount to validate.
+     */
+    protected function validate_ipn_amount( $invoice, $amount ) {
+        if ( number_format( $invoice->get_total(), 2, '.', '' ) !== number_format( $amount, 2, '.', '' ) ) {
 
-			/* translators: %s: Amount. */
-			$invoice->update_status( 'wpi-processing', sprintf( __( 'Validation error: PayPal amounts do not match (gross %s).', 'invoicing' ), $amount ) );
+            /* translators: %s: Amount. */
+            $invoice->update_status( 'wpi-processing', sprintf( __( 'Validation error: PayPal amounts do not match (gross %s).', 'invoicing' ), $amount ) );
 
-			wpinv_error_log( "Amounts do not match: {$amount} instead of {$invoice->get_total()}", 'IPN Error', __FILE__, __LINE__, true );
-		}
+            wpinv_error_log( "Amounts do not match: {$amount} instead of {$invoice->get_total()}", 'IPN Error', __FILE__, __LINE__, true );
+        }
 
-		wpinv_error_log( $amount, 'Validated IPN Amount' );
-	}
+        wpinv_error_log( $amount, 'Validated IPN Amount' );
+    }
 
-	/**
-	 * Verify receiver email from PayPal.
-	 *
-	 * @param WPInv_Invoice $invoice          Invoice object.
-	 * @param string   $receiver_email Email to validate.
-	 */
-	protected function validate_ipn_receiver_email( $invoice, $receiver_email ) {
-		$paypal_email = wpinv_get_option( 'paypal_email' );
+    /**
+     * Verify receiver email from PayPal.
+     *
+     * @param WPInv_Invoice $invoice          Invoice object.
+     * @param string   $receiver_email Email to validate.
+     */
+    protected function validate_ipn_receiver_email( $invoice, $receiver_email ) {
+        $paypal_email = wpinv_get_option( 'paypal_email' );
 
-		if ( strcasecmp( trim( $receiver_email ), trim( $paypal_email ) ) !== 0 ) {
-			wpinv_record_gateway_error( 'IPN Error', "IPN Response is for another account: {$receiver_email}. Your email is {$paypal_email}" );
+        if ( strcasecmp( trim( $receiver_email ), trim( $paypal_email ) ) !== 0 ) {
+            wpinv_record_gateway_error( 'IPN Error', "IPN Response is for another account: {$receiver_email}. Your email is {$paypal_email}" );
 
-			/* translators: %s: email address . */
-			$invoice->update_status( 'wpi-processing', sprintf( __( 'Validation error: PayPal IPN response from a different email address (%s).', 'invoicing' ), $receiver_email ) );
+            /* translators: %s: email address . */
+            $invoice->update_status( 'wpi-processing', sprintf( __( 'Validation error: PayPal IPN response from a different email address (%s).', 'invoicing' ), $receiver_email ) );
 
-			return wpinv_error_log( "IPN Response is for another account: {$receiver_email}. Your email is {$paypal_email}", 'IPN Error', __FILE__, __LINE__, true );
-		}
+            return wpinv_error_log( "IPN Response is for another account: {$receiver_email}. Your email is {$paypal_email}", 'IPN Error', __FILE__, __LINE__, true );
+        }
 
-		wpinv_error_log( 'Validated PayPal Email' );
-	}
+        wpinv_error_log( 'Validated PayPal Email' );
+    }
 
-	/**
-	 * Handles one time payments.
-	 *
-	 * @param WPInv_Invoice $invoice  Invoice object.
-	 * @param array    $posted Posted data.
-	 */
-	protected function ipn_txn_web_accept( $invoice, $posted ) {
-
-		// Collect payment details
-		$payment_status = strtolower( $posted['payment_status'] );
-		$business_email = isset( $posted['business'] ) && is_email( $posted['business'] ) ? trim( $posted['business'] ) : trim( $posted['receiver_email'] );
-
-		$this->validate_ipn_receiver_email( $invoice, $business_email );
-		$this->validate_ipn_currency( $invoice, $posted['mc_currency'] );
-
-		// Update the transaction id.
-		if ( ! empty( $posted['txn_id'] ) ) {
-			$invoice->set_transaction_id( wpinv_clean( $posted['txn_id'] ) );
-			$invoice->save();
-		}
+    /**
+     * Handles one time payments.
+     *
+     * @param WPInv_Invoice $invoice  Invoice object.
+     * @param array    $posted Posted data.
+     */
+    protected function ipn_txn_web_accept( $invoice, $posted ) {
+
+        // Collect payment details
+        $payment_status = strtolower( $posted['payment_status'] );
+        $business_email = isset( $posted['business'] ) && is_email( $posted['business'] ) ? trim( $posted['business'] ) : trim( $posted['receiver_email'] );
+
+        $this->validate_ipn_receiver_email( $invoice, $business_email );
+        $this->validate_ipn_currency( $invoice, $posted['mc_currency'] );
+
+        // Update the transaction id.
+        if ( ! empty( $posted['txn_id'] ) ) {
+            $invoice->set_transaction_id( wpinv_clean( $posted['txn_id'] ) );
+            $invoice->save();
+        }
 
-		// Process a refund.
-		if ( $payment_status == 'refunded' || $payment_status == 'reversed' ) {
+        // Process a refund.
+        if ( $payment_status == 'refunded' || $payment_status == 'reversed' ) {
 
-			update_post_meta( $invoice->get_id(), 'refunded_remotely', 1 );
+            update_post_meta( $invoice->get_id(), 'refunded_remotely', 1 );
 
-			if ( ! $invoice->is_refunded() ) {
-				$invoice->update_status( 'wpi-refunded', $posted['reason_code'] );
-			}
+            if ( ! $invoice->is_refunded() ) {
+                $invoice->update_status( 'wpi-refunded', $posted['reason_code'] );
+            }
 
-			return wpinv_error_log( $posted['reason_code'] );
-		}
+            return wpinv_error_log( $posted['reason_code'] );
+        }
 
-		// Process payments.
-		if ( $payment_status == 'completed' ) {
+        // Process payments.
+        if ( $payment_status == 'completed' ) {
 
-			if ( $invoice->is_paid() && 'wpi_processing' != $invoice->get_status() ) {
-				return wpinv_error_log( 'Aborting, Invoice #' . $invoice->get_number() . ' is already paid.' );
-			}
+            if ( $invoice->is_paid() && 'wpi_processing' != $invoice->get_status() ) {
+                return wpinv_error_log( 'Aborting, Invoice #' . $invoice->get_number() . ' is already paid.' );
+            }
 
-			$this->validate_ipn_amount( $invoice, $posted['mc_gross'] );
+            $this->validate_ipn_amount( $invoice, $posted['mc_gross'] );
 
-			$note = '';
-
-			if ( ! empty( $posted['mc_fee'] ) ) {
-				$note = sprintf( __( 'PayPal Transaction Fee %.', 'invoicing' ), sanitize_text_field( $posted['mc_fee'] ) );
-			}
+            $note = '';
+
+            if ( ! empty( $posted['mc_fee'] ) ) {
+                $note = sprintf( __( 'PayPal Transaction Fee %.', 'invoicing' ), sanitize_text_field( $posted['mc_fee'] ) );
+            }
 
-			if ( ! empty( $posted['payer_status'] ) ) {
-				$note = ' ' . sprintf( __( 'Buyer status %.', 'invoicing' ), sanitize_text_field( $posted['payer_status'] ) );
-			}
+            if ( ! empty( $posted['payer_status'] ) ) {
+                $note = ' ' . sprintf( __( 'Buyer status %.', 'invoicing' ), sanitize_text_field( $posted['payer_status'] ) );
+            }
 
-			$invoice->mark_paid( ( ! empty( $posted['txn_id'] ) ? sanitize_text_field( $posted['txn_id'] ) : '' ), trim( $note ) );
-			return wpinv_error_log( 'Invoice marked as paid.' );
+            $invoice->mark_paid( ( ! empty( $posted['txn_id'] ) ? sanitize_text_field( $posted['txn_id'] ) : '' ), trim( $note ) );
+            return wpinv_error_log( 'Invoice marked as paid.' );
 
-		}
+        }
 
-		// Pending payments.
-		if ( $payment_status == 'pending' ) {
+        // Pending payments.
+        if ( $payment_status == 'pending' ) {
 
-			/* translators: %s: pending reason. */
-			$invoice->update_status( 'wpi-onhold', sprintf( __( 'Payment pending (%s).', 'invoicing' ), $posted['pending_reason'] ) );
+            /* translators: %s: pending reason. */
+            $invoice->update_status( 'wpi-onhold', sprintf( __( 'Payment pending (%s).', 'invoicing' ), $posted['pending_reason'] ) );
 
-			return wpinv_error_log( 'Invoice marked as "payment held".' );
-		}
+            return wpinv_error_log( 'Invoice marked as "payment held".' );
+        }
 
-		/* translators: %s: payment status. */
-		$invoice->update_status( 'wpi-failed', sprintf( __( 'Payment %s via IPN.', 'invoicing' ), sanitize_text_field( $posted['payment_status'] ) ) );
+        /* translators: %s: payment status. */
+        $invoice->update_status( 'wpi-failed', sprintf( __( 'Payment %s via IPN.', 'invoicing' ), sanitize_text_field( $posted['payment_status'] ) ) );
 
-	}
+    }
 
-	/**
-	 * Handles one time payments.
-	 *
-	 * @param WPInv_Invoice $invoice  Invoice object.
-	 * @param array    $posted Posted data.
-	 */
-	protected function ipn_txn_cart( $invoice, $posted ) {
-		$this->ipn_txn_web_accept( $invoice, $posted );
-	}
+    /**
+     * Handles one time payments.
+     *
+     * @param WPInv_Invoice $invoice  Invoice object.
+     * @param array    $posted Posted data.
+     */
+    protected function ipn_txn_cart( $invoice, $posted ) {
+        $this->ipn_txn_web_accept( $invoice, $posted );
+    }
 
-	/**
-	 * Handles subscription sign ups.
-	 *
-	 * @param WPInv_Invoice $invoice  Invoice object.
-	 * @param array    $posted Posted data.
-	 */
-	protected function ipn_txn_subscr_signup( $invoice, $posted ) {
+    /**
+     * Handles subscription sign ups.
+     *
+     * @param WPInv_Invoice $invoice  Invoice object.
+     * @param array    $posted Posted data.
+     */
+    protected function ipn_txn_subscr_signup( $invoice, $posted ) {
 
-		wpinv_error_log( 'Processing subscription signup' );
+        wpinv_error_log( 'Processing subscription signup' );
 
-		// Make sure the invoice has a subscription.
-		$subscription = getpaid_get_invoice_subscription( $invoice );
+        // Make sure the invoice has a subscription.
+        $subscription = getpaid_get_invoice_subscription( $invoice );
 
-		if ( empty( $subscription ) ) {
-			return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
-		}
+        if ( empty( $subscription ) ) {
+            return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
+        }
 
-		// Validate the IPN.
-		$business_email = isset( $posted['business'] ) && is_email( $posted['business'] ) ? trim( $posted['business'] ) : trim( $posted['receiver_email'] );
-		$this->validate_ipn_receiver_email( $invoice, $business_email );
-		$this->validate_ipn_currency( $invoice, $posted['mc_currency'] );
+        // Validate the IPN.
+        $business_email = isset( $posted['business'] ) && is_email( $posted['business'] ) ? trim( $posted['business'] ) : trim( $posted['receiver_email'] );
+        $this->validate_ipn_receiver_email( $invoice, $business_email );
+        $this->validate_ipn_currency( $invoice, $posted['mc_currency'] );
 
-		// Activate the subscription.
-		$duration = strtotime( $subscription->get_expiration() ) - strtotime( $subscription->get_date_created() );
-		$subscription->set_date_created( current_time( 'mysql' ) );
-		$subscription->set_expiration( date( 'Y-m-d H:i:s', ( current_time( 'timestamp' ) + $duration ) ) );
-		$subscription->set_profile_id( sanitize_text_field( $posted['subscr_id'] ) );
-		$subscription->activate();
+        // Activate the subscription.
+        $duration = strtotime( $subscription->get_expiration() ) - strtotime( $subscription->get_date_created() );
+        $subscription->set_date_created( current_time( 'mysql' ) );
+        $subscription->set_expiration( date( 'Y-m-d H:i:s', ( current_time( 'timestamp' ) + $duration ) ) );
+        $subscription->set_profile_id( sanitize_text_field( $posted['subscr_id'] ) );
+        $subscription->activate();
 
-		// Set the transaction id.
-		if ( ! empty( $posted['txn_id'] ) ) {
-			$invoice->set_transaction_id( $posted['txn_id'] );
-		}
+        // Set the transaction id.
+        if ( ! empty( $posted['txn_id'] ) ) {
+            $invoice->set_transaction_id( $posted['txn_id'] );
+        }
 
-		// Update the payment status.
-		$invoice->mark_paid();
+        // Update the payment status.
+        $invoice->mark_paid();
 
-		$invoice->add_note( sprintf( __( 'PayPal Subscription ID: %s', 'invoicing' ) , $posted['subscr_id'] ), false, false, true );
+        $invoice->add_note( sprintf( __( 'PayPal Subscription ID: %s', 'invoicing' ) , $posted['subscr_id'] ), false, false, true );
 
-		wpinv_error_log( 'Subscription started.' );
-	}
+        wpinv_error_log( 'Subscription started.' );
+    }
 
-	/**
-	 * Handles subscription renewals.
-	 *
-	 * @param WPInv_Invoice $invoice  Invoice object.
-	 * @param array    $posted Posted data.
-	 */
-	protected function ipn_txn_subscr_payment( $invoice, $posted ) {
+    /**
+     * Handles subscription renewals.
+     *
+     * @param WPInv_Invoice $invoice  Invoice object.
+     * @param array    $posted Posted data.
+     */
+    protected function ipn_txn_subscr_payment( $invoice, $posted ) {
 
-		// Make sure the invoice has a subscription.
-		$subscription = wpinv_get_subscription( $invoice );
+        // Make sure the invoice has a subscription.
+        $subscription = wpinv_get_subscription( $invoice );
 
-		if ( empty( $subscription ) ) {
-			return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
-		}
+        if ( empty( $subscription ) ) {
+            return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
+        }
 
-		// Abort if this is the first payment.
-		if ( date( 'Ynd', $subscription->get_time_created() ) == date( 'Ynd', strtotime( $posted['payment_date'] ) ) ) {
-			$invoice->set_transaction_id( sanitize_text_field( $posted['txn_id'] ) );
-			$invoice->save();
-			return;
-		}
-
-		wpinv_error_log( 'Processing subscription renewal payment for the invoice ' . $invoice->get_id() );
+        // Abort if this is the first payment.
+        if ( date( 'Ynd', $subscription->get_time_created() ) == date( 'Ynd', strtotime( $posted['payment_date'] ) ) ) {
+            $invoice->set_transaction_id( sanitize_text_field( $posted['txn_id'] ) );
+            $invoice->save();
+            return;
+        }
+
+        wpinv_error_log( 'Processing subscription renewal payment for the invoice ' . $invoice->get_id() );
 
-		// Abort if the payment is already recorded.
-		if ( wpinv_get_id_by_transaction_id( $posted['txn_id'] ) ) {
-			return wpinv_error_log( 'Aborting, Transaction ' . $posted['txn_id'] .' has already been processed' );
-		}
+        // Abort if the payment is already recorded.
+        if ( wpinv_get_id_by_transaction_id( $posted['txn_id'] ) ) {
+            return wpinv_error_log( 'Aborting, Transaction ' . $posted['txn_id'] .' has already been processed' );
+        }
 
-		$args = array(
-			'transaction_id' => $posted['txn_id'],
-			'gateway'        => $this->id,
-		);
-
-		$invoice = wpinv_get_invoice( $subscription->add_payment( $args ) );
-
-		if ( empty( $invoice ) ) {
-			return;
-		}
-
-		$invoice->add_note( wp_sprintf( __( 'PayPal Transaction ID: %s', 'invoicing' ) , $posted['txn_id'] ), false, false, true );
-		$invoice->add_note( wp_sprintf( __( 'PayPal Subscription ID: %s', 'invoicing' ) , $posted['subscr_id'] ), false, false, true );
-
-		$subscription->renew();
-		wpinv_error_log( 'Subscription renewed.' );
-
-	}
-
-	/**
-	 * Handles subscription cancelations.
-	 *
-	 * @param WPInv_Invoice $invoice  Invoice object.
-	 */
-	protected function ipn_txn_subscr_cancel( $invoice ) {
-
-		// Make sure the invoice has a subscription.
-		$subscription = wpinv_get_subscription( $invoice );
-
-		if ( empty( $subscription ) ) {
-			return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
-		}
-
-		wpinv_error_log( 'Processing subscription cancellation for the invoice ' . $invoice->get_id() );
-		$subscription->cancel();
-		wpinv_error_log( 'Subscription cancelled.' );
+        $args = array(
+            'transaction_id' => $posted['txn_id'],
+            'gateway'        => $this->id,
+        );
+
+        $invoice = wpinv_get_invoice( $subscription->add_payment( $args ) );
+
+        if ( empty( $invoice ) ) {
+            return;
+        }
+
+        $invoice->add_note( wp_sprintf( __( 'PayPal Transaction ID: %s', 'invoicing' ) , $posted['txn_id'] ), false, false, true );
+        $invoice->add_note( wp_sprintf( __( 'PayPal Subscription ID: %s', 'invoicing' ) , $posted['subscr_id'] ), false, false, true );
+
+        $subscription->renew();
+        wpinv_error_log( 'Subscription renewed.' );
+
+    }
+
+    /**
+     * Handles subscription cancelations.
+     *
+     * @param WPInv_Invoice $invoice  Invoice object.
+     */
+    protected function ipn_txn_subscr_cancel( $invoice ) {
+
+        // Make sure the invoice has a subscription.
+        $subscription = wpinv_get_subscription( $invoice );
+
+        if ( empty( $subscription ) ) {
+            return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
+        }
+
+        wpinv_error_log( 'Processing subscription cancellation for the invoice ' . $invoice->get_id() );
+        $subscription->cancel();
+        wpinv_error_log( 'Subscription cancelled.' );
 
-	}
+    }
 
-	/**
-	 * Handles subscription completions.
-	 *
-	 * @param WPInv_Invoice $invoice  Invoice object.
-	 * @param array    $posted Posted data.
-	 */
-	protected function ipn_txn_subscr_eot( $invoice ) {
-
-		// Make sure the invoice has a subscription.
-		$subscription = wpinv_get_subscription( $invoice );
+    /**
+     * Handles subscription completions.
+     *
+     * @param WPInv_Invoice $invoice  Invoice object.
+     * @param array    $posted Posted data.
+     */
+    protected function ipn_txn_subscr_eot( $invoice ) {
+
+        // Make sure the invoice has a subscription.
+        $subscription = wpinv_get_subscription( $invoice );
 
-		if ( empty( $subscription ) ) {
-			return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
-		}
+        if ( empty( $subscription ) ) {
+            return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
+        }
 
-		wpinv_error_log( 'Processing subscription end of life for the invoice ' . $invoice->get_id() );
-		$subscription->complete();
-		wpinv_error_log( 'Subscription completed.' );
+        wpinv_error_log( 'Processing subscription end of life for the invoice ' . $invoice->get_id() );
+        $subscription->complete();
+        wpinv_error_log( 'Subscription completed.' );
 
-	}
+    }
 
-	/**
-	 * Handles subscription fails.
-	 *
-	 * @param WPInv_Invoice $invoice  Invoice object.
-	 * @param array    $posted Posted data.
-	 */
-	protected function ipn_txn_subscr_failed( $invoice ) {
+    /**
+     * Handles subscription fails.
+     *
+     * @param WPInv_Invoice $invoice  Invoice object.
+     * @param array    $posted Posted data.
+     */
+    protected function ipn_txn_subscr_failed( $invoice ) {
 
-		// Make sure the invoice has a subscription.
-		$subscription = wpinv_get_subscription( $invoice );
+        // Make sure the invoice has a subscription.
+        $subscription = wpinv_get_subscription( $invoice );
 
-		if ( empty( $subscription ) ) {
-			return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
-		}
+        if ( empty( $subscription ) ) {
+            return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
+        }
 
-		wpinv_error_log( 'Processing subscription payment failure for the invoice ' . $invoice->get_id() );
-		$subscription->failing();
-		wpinv_error_log( 'Subscription marked as failing.' );
+        wpinv_error_log( 'Processing subscription payment failure for the invoice ' . $invoice->get_id() );
+        $subscription->failing();
+        wpinv_error_log( 'Subscription marked as failing.' );
 
-	}
+    }
 
 }

Spacing +132 added lines, -132 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Paypal Payment Gateway IPN handler class.
@@ -31,7 +31,7 @@ 
 	 *
 	 * @param GetPaid_Paypal_Gateway $gateway
 	 */
-	public function __construct( $gateway ) {
+	public function __construct($gateway) {
 		$this->gateway = $gateway;
 		$this->verify_ipn();
 	}
@@ -43,37 +43,37 @@ 
 	 */
 	public function verify_ipn() {
 
-		wpinv_error_log( 'GetPaid PayPal IPN Handler' );
+		wpinv_error_log('GetPaid PayPal IPN Handler');
 
 		// Validate the IPN.
-		if ( empty( $_POST ) || ! $this->validate_ipn() ) {
-			wp_die( 'PayPal IPN Request Failure', 500 );
+		if (empty($_POST) || !$this->validate_ipn()) {
+			wp_die('PayPal IPN Request Failure', 500);
 		}
 
 		// Process the IPN.
-		$posted  = wp_unslash( $_POST );
-		$invoice = $this->get_ipn_invoice( $posted );
+		$posted  = wp_unslash($_POST);
+		$invoice = $this->get_ipn_invoice($posted);
 
 		// Abort if it was not paid by our gateway.
-		if ( $this->id != $invoice->get_gateway() ) {
-			wpinv_error_log( 'Aborting, Invoice was not paid via PayPal' );
-			wp_die( 'Invoice not paid via PayPal', 500 );
+		if ($this->id != $invoice->get_gateway()) {
+			wpinv_error_log('Aborting, Invoice was not paid via PayPal');
+			wp_die('Invoice not paid via PayPal', 500);
 		}
 
-		$posted['payment_status'] = isset( $posted['payment_status'] ) ? sanitize_key( strtolower( $posted['payment_status'] ) ) : '';
-		$posted['txn_type']       = sanitize_key( strtolower( $posted['txn_type'] ) );
+		$posted['payment_status'] = isset($posted['payment_status']) ? sanitize_key(strtolower($posted['payment_status'])) : '';
+		$posted['txn_type']       = sanitize_key(strtolower($posted['txn_type']));
 
-		wpinv_error_log( 'Payment status:' . $posted['payment_status'] );
-		wpinv_error_log( 'IPN Type:' . $posted['txn_type'] );
+		wpinv_error_log('Payment status:' . $posted['payment_status']);
+		wpinv_error_log('IPN Type:' . $posted['txn_type']);
 
-		if ( method_exists( $this, 'ipn_txn_' . $posted['txn_type'] ) ) {
-			call_user_func( array( $this, 'ipn_txn_' . $posted['txn_type'] ), $invoice, $posted );
-			wpinv_error_log( 'Done processing IPN' );
-			wp_die( 'Processed', 200 );
+		if (method_exists($this, 'ipn_txn_' . $posted['txn_type'])) {
+			call_user_func(array($this, 'ipn_txn_' . $posted['txn_type']), $invoice, $posted);
+			wpinv_error_log('Done processing IPN');
+			wp_die('Processed', 200);
 		}
 
-		wpinv_error_log( 'Aborting, Unsupported IPN type:' . $posted['txn_type'] );
-		wp_die( 'Unsupported IPN type', 200 );
+		wpinv_error_log('Aborting, Unsupported IPN type:' . $posted['txn_type']);
+		wp_die('Unsupported IPN type', 200);
 
 	}
 
@@ -83,22 +83,22 @@ 
 	 * @param array $posted
 	 * @return WPInv_Invoice
 	 */
-	protected function get_ipn_invoice( $posted ) {
+	protected function get_ipn_invoice($posted) {
 
-		wpinv_error_log( 'Retrieving PayPal IPN Response Invoice' );
+		wpinv_error_log('Retrieving PayPal IPN Response Invoice');
 
-		if ( ! empty( $posted['custom'] ) ) {
-			$invoice = new WPInv_Invoice( $posted['custom'] );
+		if (!empty($posted['custom'])) {
+			$invoice = new WPInv_Invoice($posted['custom']);
 
-			if ( $invoice->exists() ) {
-				wpinv_error_log( 'Found invoice #' . $invoice->get_number() );
+			if ($invoice->exists()) {
+				wpinv_error_log('Found invoice #' . $invoice->get_number());
 				return $invoice;
 			}
 
 		}
 
-		wpinv_error_log( 'Could not retrieve the associated invoice.' );
-		wp_die( 'Could not retrieve the associated invoice.', 500 );
+		wpinv_error_log('Could not retrieve the associated invoice.');
+		wp_die('Could not retrieve the associated invoice.', 500);
 	}
 
 	/**
@@ -106,14 +106,14 @@ 
 	 */
 	protected function validate_ipn() {
 
-		wpinv_error_log( 'Validating PayPal IPN response' );
+		wpinv_error_log('Validating PayPal IPN response');
 
 		// Retrieve the associated invoice.
-		$posted  = wp_unslash( $_POST );
-		$invoice = $this->get_ipn_invoice( $posted );
+		$posted  = wp_unslash($_POST);
+		$invoice = $this->get_ipn_invoice($posted);
 
-		if ( $this->gateway->is_sandbox( $invoice ) ) {
-			wpinv_error_log( $posted, 'Invoice was processed in sandbox hence logging the posted data' );
+		if ($this->gateway->is_sandbox($invoice)) {
+			wpinv_error_log($posted, 'Invoice was processed in sandbox hence logging the posted data');
 		}
 
 		// Validate the IPN.
@@ -130,20 +130,20 @@ 
 		);
 
 		// Post back to get a response.
-		$response = wp_safe_remote_post( $this->gateway->is_sandbox( $invoice ) ? 'https://www.sandbox.paypal.com/cgi-bin/webscr' : 'https://www.paypal.com/cgi-bin/webscr', $params );
+		$response = wp_safe_remote_post($this->gateway->is_sandbox($invoice) ? 'https://www.sandbox.paypal.com/cgi-bin/webscr' : 'https://www.paypal.com/cgi-bin/webscr', $params);
 
 		// Check to see if the request was valid.
-		if ( ! is_wp_error( $response ) && $response['response']['code'] < 300 && strstr( $response['body'], 'VERIFIED' ) ) {
-			wpinv_error_log( $response['body'], 'Received valid response from PayPal IPN' );
+		if (!is_wp_error($response) && $response['response']['code'] < 300 && strstr($response['body'], 'VERIFIED')) {
+			wpinv_error_log($response['body'], 'Received valid response from PayPal IPN');
 			return true;
 		}
 
-		if ( is_wp_error( $response ) ) {
-			wpinv_error_log( $response->get_error_message(), 'Received invalid response from PayPal IPN' );
+		if (is_wp_error($response)) {
+			wpinv_error_log($response->get_error_message(), 'Received invalid response from PayPal IPN');
 			return false;
 		}
 
-		wpinv_error_log( $response['body'], 'Received invalid response from PayPal IPN' );
+		wpinv_error_log($response['body'], 'Received invalid response from PayPal IPN');
 		return false;
 
 	}
@@ -154,17 +154,17 @@ 
 	 * @param WPInv_Invoice $invoice          Invoice object.
 	 * @param string   $currency currency to validate.
 	 */
-	protected function validate_ipn_currency( $invoice, $currency ) {
+	protected function validate_ipn_currency($invoice, $currency) {
 
-		if ( strtolower( $invoice->get_currency() ) !== strtolower( $currency ) ) {
+		if (strtolower($invoice->get_currency()) !== strtolower($currency)) {
 
 			/* translators: %s: currency code. */
-			$invoice->update_status( 'wpi-processing', sprintf( __( 'Validation error: PayPal currencies do not match (code %s).', 'invoicing' ), $currency ) );
+			$invoice->update_status('wpi-processing', sprintf(__('Validation error: PayPal currencies do not match (code %s).', 'invoicing'), $currency));
 
-			wpinv_error_log( "Currencies do not match: {$currency} instead of {$invoice->get_currency()}", 'IPN Error', __FILE__, __LINE__, true );
+			wpinv_error_log("Currencies do not match: {$currency} instead of {$invoice->get_currency()}", 'IPN Error', __FILE__, __LINE__, true);
 		}
 
-		wpinv_error_log( $currency, 'Validated IPN Currency' );
+		wpinv_error_log($currency, 'Validated IPN Currency');
 	}
 
 	/**
@@ -173,16 +173,16 @@ 
 	 * @param WPInv_Invoice $invoice          Invoice object.
 	 * @param float   $amount amount to validate.
 	 */
-	protected function validate_ipn_amount( $invoice, $amount ) {
-		if ( number_format( $invoice->get_total(), 2, '.', '' ) !== number_format( $amount, 2, '.', '' ) ) {
+	protected function validate_ipn_amount($invoice, $amount) {
+		if (number_format($invoice->get_total(), 2, '.', '') !== number_format($amount, 2, '.', '')) {
 
 			/* translators: %s: Amount. */
-			$invoice->update_status( 'wpi-processing', sprintf( __( 'Validation error: PayPal amounts do not match (gross %s).', 'invoicing' ), $amount ) );
+			$invoice->update_status('wpi-processing', sprintf(__('Validation error: PayPal amounts do not match (gross %s).', 'invoicing'), $amount));
 
-			wpinv_error_log( "Amounts do not match: {$amount} instead of {$invoice->get_total()}", 'IPN Error', __FILE__, __LINE__, true );
+			wpinv_error_log("Amounts do not match: {$amount} instead of {$invoice->get_total()}", 'IPN Error', __FILE__, __LINE__, true);
 		}
 
-		wpinv_error_log( $amount, 'Validated IPN Amount' );
+		wpinv_error_log($amount, 'Validated IPN Amount');
 	}
 
 	/**
@@ -191,19 +191,19 @@ 
 	 * @param WPInv_Invoice $invoice          Invoice object.
 	 * @param string   $receiver_email Email to validate.
 	 */
-	protected function validate_ipn_receiver_email( $invoice, $receiver_email ) {
-		$paypal_email = wpinv_get_option( 'paypal_email' );
+	protected function validate_ipn_receiver_email($invoice, $receiver_email) {
+		$paypal_email = wpinv_get_option('paypal_email');
 
-		if ( strcasecmp( trim( $receiver_email ), trim( $paypal_email ) ) !== 0 ) {
-			wpinv_record_gateway_error( 'IPN Error', "IPN Response is for another account: {$receiver_email}. Your email is {$paypal_email}" );
+		if (strcasecmp(trim($receiver_email), trim($paypal_email)) !== 0) {
+			wpinv_record_gateway_error('IPN Error', "IPN Response is for another account: {$receiver_email}. Your email is {$paypal_email}");
 
 			/* translators: %s: email address . */
-			$invoice->update_status( 'wpi-processing', sprintf( __( 'Validation error: PayPal IPN response from a different email address (%s).', 'invoicing' ), $receiver_email ) );
+			$invoice->update_status('wpi-processing', sprintf(__('Validation error: PayPal IPN response from a different email address (%s).', 'invoicing'), $receiver_email));
 
-			return wpinv_error_log( "IPN Response is for another account: {$receiver_email}. Your email is {$paypal_email}", 'IPN Error', __FILE__, __LINE__, true );
+			return wpinv_error_log("IPN Response is for another account: {$receiver_email}. Your email is {$paypal_email}", 'IPN Error', __FILE__, __LINE__, true);
 		}
 
-		wpinv_error_log( 'Validated PayPal Email' );
+		wpinv_error_log('Validated PayPal Email');
 	}
 
 	/**
@@ -212,68 +212,68 @@ 
 	 * @param WPInv_Invoice $invoice  Invoice object.
 	 * @param array    $posted Posted data.
 	 */
-	protected function ipn_txn_web_accept( $invoice, $posted ) {
+	protected function ipn_txn_web_accept($invoice, $posted) {
 
 		// Collect payment details
-		$payment_status = strtolower( $posted['payment_status'] );
-		$business_email = isset( $posted['business'] ) && is_email( $posted['business'] ) ? trim( $posted['business'] ) : trim( $posted['receiver_email'] );
+		$payment_status = strtolower($posted['payment_status']);
+		$business_email = isset($posted['business']) && is_email($posted['business']) ? trim($posted['business']) : trim($posted['receiver_email']);
 
-		$this->validate_ipn_receiver_email( $invoice, $business_email );
-		$this->validate_ipn_currency( $invoice, $posted['mc_currency'] );
+		$this->validate_ipn_receiver_email($invoice, $business_email);
+		$this->validate_ipn_currency($invoice, $posted['mc_currency']);
 
 		// Update the transaction id.
-		if ( ! empty( $posted['txn_id'] ) ) {
-			$invoice->set_transaction_id( wpinv_clean( $posted['txn_id'] ) );
+		if (!empty($posted['txn_id'])) {
+			$invoice->set_transaction_id(wpinv_clean($posted['txn_id']));
 			$invoice->save();
 		}
 
 		// Process a refund.
-		if ( $payment_status == 'refunded' || $payment_status == 'reversed' ) {
+		if ($payment_status == 'refunded' || $payment_status == 'reversed') {
 
-			update_post_meta( $invoice->get_id(), 'refunded_remotely', 1 );
+			update_post_meta($invoice->get_id(), 'refunded_remotely', 1);
 
-			if ( ! $invoice->is_refunded() ) {
-				$invoice->update_status( 'wpi-refunded', $posted['reason_code'] );
+			if (!$invoice->is_refunded()) {
+				$invoice->update_status('wpi-refunded', $posted['reason_code']);
 			}
 
-			return wpinv_error_log( $posted['reason_code'] );
+			return wpinv_error_log($posted['reason_code']);
 		}
 
 		// Process payments.
-		if ( $payment_status == 'completed' ) {
+		if ($payment_status == 'completed') {
 
-			if ( $invoice->is_paid() && 'wpi_processing' != $invoice->get_status() ) {
-				return wpinv_error_log( 'Aborting, Invoice #' . $invoice->get_number() . ' is already paid.' );
+			if ($invoice->is_paid() && 'wpi_processing' != $invoice->get_status()) {
+				return wpinv_error_log('Aborting, Invoice #' . $invoice->get_number() . ' is already paid.');
 			}
 
-			$this->validate_ipn_amount( $invoice, $posted['mc_gross'] );
+			$this->validate_ipn_amount($invoice, $posted['mc_gross']);
 
 			$note = '';
 
-			if ( ! empty( $posted['mc_fee'] ) ) {
-				$note = sprintf( __( 'PayPal Transaction Fee %.', 'invoicing' ), sanitize_text_field( $posted['mc_fee'] ) );
+			if (!empty($posted['mc_fee'])) {
+				$note = sprintf(__('PayPal Transaction Fee %.', 'invoicing'), sanitize_text_field($posted['mc_fee']));
 			}
 
-			if ( ! empty( $posted['payer_status'] ) ) {
-				$note = ' ' . sprintf( __( 'Buyer status %.', 'invoicing' ), sanitize_text_field( $posted['payer_status'] ) );
+			if (!empty($posted['payer_status'])) {
+				$note = ' ' . sprintf(__('Buyer status %.', 'invoicing'), sanitize_text_field($posted['payer_status']));
 			}
 
-			$invoice->mark_paid( ( ! empty( $posted['txn_id'] ) ? sanitize_text_field( $posted['txn_id'] ) : '' ), trim( $note ) );
-			return wpinv_error_log( 'Invoice marked as paid.' );
+			$invoice->mark_paid((!empty($posted['txn_id']) ? sanitize_text_field($posted['txn_id']) : ''), trim($note));
+			return wpinv_error_log('Invoice marked as paid.');
 
 		}
 
 		// Pending payments.
-		if ( $payment_status == 'pending' ) {
+		if ($payment_status == 'pending') {
 
 			/* translators: %s: pending reason. */
-			$invoice->update_status( 'wpi-onhold', sprintf( __( 'Payment pending (%s).', 'invoicing' ), $posted['pending_reason'] ) );
+			$invoice->update_status('wpi-onhold', sprintf(__('Payment pending (%s).', 'invoicing'), $posted['pending_reason']));
 
-			return wpinv_error_log( 'Invoice marked as "payment held".' );
+			return wpinv_error_log('Invoice marked as "payment held".');
 		}
 
 		/* translators: %s: payment status. */
-		$invoice->update_status( 'wpi-failed', sprintf( __( 'Payment %s via IPN.', 'invoicing' ), sanitize_text_field( $posted['payment_status'] ) ) );
+		$invoice->update_status('wpi-failed', sprintf(__('Payment %s via IPN.', 'invoicing'), sanitize_text_field($posted['payment_status'])));
 
 	}
 
@@ -283,8 +283,8 @@ 
 	 * @param WPInv_Invoice $invoice  Invoice object.
 	 * @param array    $posted Posted data.
 	 */
-	protected function ipn_txn_cart( $invoice, $posted ) {
-		$this->ipn_txn_web_accept( $invoice, $posted );
+	protected function ipn_txn_cart($invoice, $posted) {
+		$this->ipn_txn_web_accept($invoice, $posted);
 	}
 
 	/**
@@ -293,40 +293,40 @@ 
 	 * @param WPInv_Invoice $invoice  Invoice object.
 	 * @param array    $posted Posted data.
 	 */
-	protected function ipn_txn_subscr_signup( $invoice, $posted ) {
+	protected function ipn_txn_subscr_signup($invoice, $posted) {
 
-		wpinv_error_log( 'Processing subscription signup' );
+		wpinv_error_log('Processing subscription signup');
 
 		// Make sure the invoice has a subscription.
-		$subscription = getpaid_get_invoice_subscription( $invoice );
+		$subscription = getpaid_get_invoice_subscription($invoice);
 
-		if ( empty( $subscription ) ) {
-			return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
+		if (empty($subscription)) {
+			return wpinv_error_log('Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found');
 		}
 
 		// Validate the IPN.
-		$business_email = isset( $posted['business'] ) && is_email( $posted['business'] ) ? trim( $posted['business'] ) : trim( $posted['receiver_email'] );
-		$this->validate_ipn_receiver_email( $invoice, $business_email );
-		$this->validate_ipn_currency( $invoice, $posted['mc_currency'] );
+		$business_email = isset($posted['business']) && is_email($posted['business']) ? trim($posted['business']) : trim($posted['receiver_email']);
+		$this->validate_ipn_receiver_email($invoice, $business_email);
+		$this->validate_ipn_currency($invoice, $posted['mc_currency']);
 
 		// Activate the subscription.
-		$duration = strtotime( $subscription->get_expiration() ) - strtotime( $subscription->get_date_created() );
-		$subscription->set_date_created( current_time( 'mysql' ) );
-		$subscription->set_expiration( date( 'Y-m-d H:i:s', ( current_time( 'timestamp' ) + $duration ) ) );
-		$subscription->set_profile_id( sanitize_text_field( $posted['subscr_id'] ) );
+		$duration = strtotime($subscription->get_expiration()) - strtotime($subscription->get_date_created());
+		$subscription->set_date_created(current_time('mysql'));
+		$subscription->set_expiration(date('Y-m-d H:i:s', (current_time('timestamp') + $duration)));
+		$subscription->set_profile_id(sanitize_text_field($posted['subscr_id']));
 		$subscription->activate();
 
 		// Set the transaction id.
-		if ( ! empty( $posted['txn_id'] ) ) {
-			$invoice->set_transaction_id( $posted['txn_id'] );
+		if (!empty($posted['txn_id'])) {
+			$invoice->set_transaction_id($posted['txn_id']);
 		}
 
 		// Update the payment status.
 		$invoice->mark_paid();
 
-		$invoice->add_note( sprintf( __( 'PayPal Subscription ID: %s', 'invoicing' ) , $posted['subscr_id'] ), false, false, true );
+		$invoice->add_note(sprintf(__('PayPal Subscription ID: %s', 'invoicing'), $posted['subscr_id']), false, false, true);
 
-		wpinv_error_log( 'Subscription started.' );
+		wpinv_error_log('Subscription started.');
 	}
 
 	/**
@@ -335,27 +335,27 @@ 
 	 * @param WPInv_Invoice $invoice  Invoice object.
 	 * @param array    $posted Posted data.
 	 */
-	protected function ipn_txn_subscr_payment( $invoice, $posted ) {
+	protected function ipn_txn_subscr_payment($invoice, $posted) {
 
 		// Make sure the invoice has a subscription.
-		$subscription = wpinv_get_subscription( $invoice );
+		$subscription = wpinv_get_subscription($invoice);
 
-		if ( empty( $subscription ) ) {
-			return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
+		if (empty($subscription)) {
+			return wpinv_error_log('Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found');
 		}
 
 		// Abort if this is the first payment.
-		if ( date( 'Ynd', $subscription->get_time_created() ) == date( 'Ynd', strtotime( $posted['payment_date'] ) ) ) {
-			$invoice->set_transaction_id( sanitize_text_field( $posted['txn_id'] ) );
+		if (date('Ynd', $subscription->get_time_created()) == date('Ynd', strtotime($posted['payment_date']))) {
+			$invoice->set_transaction_id(sanitize_text_field($posted['txn_id']));
 			$invoice->save();
 			return;
 		}
 
-		wpinv_error_log( 'Processing subscription renewal payment for the invoice ' . $invoice->get_id() );
+		wpinv_error_log('Processing subscription renewal payment for the invoice ' . $invoice->get_id());
 
 		// Abort if the payment is already recorded.
-		if ( wpinv_get_id_by_transaction_id( $posted['txn_id'] ) ) {
-			return wpinv_error_log( 'Aborting, Transaction ' . $posted['txn_id'] .' has already been processed' );
+		if (wpinv_get_id_by_transaction_id($posted['txn_id'])) {
+			return wpinv_error_log('Aborting, Transaction ' . $posted['txn_id'] . ' has already been processed');
 		}
 
 		$args = array(
@@ -363,17 +363,17 @@ 
 			'gateway'        => $this->id,
 		);
 
-		$invoice = wpinv_get_invoice( $subscription->add_payment( $args ) );
+		$invoice = wpinv_get_invoice($subscription->add_payment($args));
 
-		if ( empty( $invoice ) ) {
+		if (empty($invoice)) {
 			return;
 		}
 
-		$invoice->add_note( wp_sprintf( __( 'PayPal Transaction ID: %s', 'invoicing' ) , $posted['txn_id'] ), false, false, true );
-		$invoice->add_note( wp_sprintf( __( 'PayPal Subscription ID: %s', 'invoicing' ) , $posted['subscr_id'] ), false, false, true );
+		$invoice->add_note(wp_sprintf(__('PayPal Transaction ID: %s', 'invoicing'), $posted['txn_id']), false, false, true);
+		$invoice->add_note(wp_sprintf(__('PayPal Subscription ID: %s', 'invoicing'), $posted['subscr_id']), false, false, true);
 
 		$subscription->renew();
-		wpinv_error_log( 'Subscription renewed.' );
+		wpinv_error_log('Subscription renewed.');
 
 	}
 
@@ -382,18 +382,18 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice  Invoice object.
 	 */
-	protected function ipn_txn_subscr_cancel( $invoice ) {
+	protected function ipn_txn_subscr_cancel($invoice) {
 
 		// Make sure the invoice has a subscription.
-		$subscription = wpinv_get_subscription( $invoice );
+		$subscription = wpinv_get_subscription($invoice);
 
-		if ( empty( $subscription ) ) {
-			return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
+		if (empty($subscription)) {
+			return wpinv_error_log('Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found');
 		}
 
-		wpinv_error_log( 'Processing subscription cancellation for the invoice ' . $invoice->get_id() );
+		wpinv_error_log('Processing subscription cancellation for the invoice ' . $invoice->get_id());
 		$subscription->cancel();
-		wpinv_error_log( 'Subscription cancelled.' );
+		wpinv_error_log('Subscription cancelled.');
 
 	}
 
@@ -403,18 +403,18 @@ 
 	 * @param WPInv_Invoice $invoice  Invoice object.
 	 * @param array    $posted Posted data.
 	 */
-	protected function ipn_txn_subscr_eot( $invoice ) {
+	protected function ipn_txn_subscr_eot($invoice) {
 
 		// Make sure the invoice has a subscription.
-		$subscription = wpinv_get_subscription( $invoice );
+		$subscription = wpinv_get_subscription($invoice);
 
-		if ( empty( $subscription ) ) {
-			return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
+		if (empty($subscription)) {
+			return wpinv_error_log('Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found');
 		}
 
-		wpinv_error_log( 'Processing subscription end of life for the invoice ' . $invoice->get_id() );
+		wpinv_error_log('Processing subscription end of life for the invoice ' . $invoice->get_id());
 		$subscription->complete();
-		wpinv_error_log( 'Subscription completed.' );
+		wpinv_error_log('Subscription completed.');
 
 	}
 
@@ -424,18 +424,18 @@ 
 	 * @param WPInv_Invoice $invoice  Invoice object.
 	 * @param array    $posted Posted data.
 	 */
-	protected function ipn_txn_subscr_failed( $invoice ) {
+	protected function ipn_txn_subscr_failed($invoice) {
 
 		// Make sure the invoice has a subscription.
-		$subscription = wpinv_get_subscription( $invoice );
+		$subscription = wpinv_get_subscription($invoice);
 
-		if ( empty( $subscription ) ) {
-			return wpinv_error_log( 'Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found' );
+		if (empty($subscription)) {
+			return wpinv_error_log('Aborting, Subscription for the invoice ' . $invoice->get_id() . ' not found');
 		}
 
-		wpinv_error_log( 'Processing subscription payment failure for the invoice ' . $invoice->get_id() );
+		wpinv_error_log('Processing subscription payment failure for the invoice ' . $invoice->get_id());
 		$subscription->failing();
-		wpinv_error_log( 'Subscription marked as failing.' );
+		wpinv_error_log('Subscription marked as failing.');
 
 	}
 

templates/subscriptions/subscription-details.php

Indentation +52 added lines, -52 removed lines

@@ -43,64 +43,64 @@ 
 				<td class="w-75">
 					<?php
 
-						switch ( $key ) {
+                        switch ( $key ) {
 
-							case 'status':
-								echo sanitize_text_field( $subscription->get_status_label() );
-								break;
+                            case 'status':
+                                echo sanitize_text_field( $subscription->get_status_label() );
+                                break;
 
-							case 'start_date':
-								echo sanitize_text_field( getpaid_format_date_value( $subscription->get_date_created() ) );
-								break;
+                            case 'start_date':
+                                echo sanitize_text_field( getpaid_format_date_value( $subscription->get_date_created() ) );
+                                break;
 
-							case 'expiry_date':
-								echo sanitize_text_field( getpaid_format_date_value( $subscription->get_next_renewal_date() ) );
-								break;
+                            case 'expiry_date':
+                                echo sanitize_text_field( getpaid_format_date_value( $subscription->get_next_renewal_date() ) );
+                                break;
 
-							case 'initial_amount':
-								echo wpinv_price( wpinv_format_amount( $subscription->get_initial_amount() ), $subscription->get_parent_payment()->get_currency() );
+                            case 'initial_amount':
+                                echo wpinv_price( wpinv_format_amount( $subscription->get_initial_amount() ), $subscription->get_parent_payment()->get_currency() );
 
-								if ( $subscription->has_trial_period() ) {
+                                if ( $subscription->has_trial_period() ) {
 
-									echo "<small class='text-muted'>&nbsp;";
-									printf(
-										_x( '( %1$s trial )', 'Subscription trial period. (e.g.: 1 month trial)', 'invoicing' ),
-										sanitize_text_field( $subscription->get_trial_period() )
-									);
-									echo '</small>';
+                                    echo "<small class='text-muted'>&nbsp;";
+                                    printf(
+                                        _x( '( %1$s trial )', 'Subscription trial period. (e.g.: 1 month trial)', 'invoicing' ),
+                                        sanitize_text_field( $subscription->get_trial_period() )
+                                    );
+                                    echo '</small>';
 
-								}
+                                }
 								
-								break;
+                                break;
 
-							case 'recurring_amount':
-								$frequency = getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' );
-								$amount    = wpinv_price( wpinv_format_amount( $subscription->get_recurring_amount() ), $subscription->get_parent_payment()->get_currency() );
-								echo strtolower( "<strong style='font-weight: 500;'>$amount</strong> / $frequency" );
-								break;
+                            case 'recurring_amount':
+                                $frequency = getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' );
+                                $amount    = wpinv_price( wpinv_format_amount( $subscription->get_recurring_amount() ), $subscription->get_parent_payment()->get_currency() );
+                                echo strtolower( "<strong style='font-weight: 500;'>$amount</strong> / $frequency" );
+                                break;
 
-							case 'item':
-								$item = get_post( $subscription->get_product_id() );
+                            case 'item':
+                                $item = get_post( $subscription->get_product_id() );
 
-								if ( ! empty( $item ) ) {
-									echo esc_html( get_the_title( $item ) );
-								} else {
-									echo sprintf( __( 'Item #%s', 'invoicing' ), $subscription->get_product_id() );
-								}
+                                if ( ! empty( $item ) ) {
+                                    echo esc_html( get_the_title( $item ) );
+                                } else {
+                                    echo sprintf( __( 'Item #%s', 'invoicing' ), $subscription->get_product_id() );
+                                }
 
-								break;
+                                break;
 
-							case 'payments':
+                            case 'payments':
 
-								$max_activations = (int) $subscription->get_bill_times();
-								echo (int) $subscription->get_times_billed() . ' / ' . ( empty( $max_activations ) ? "&infin;" : $max_activations );
+                                $max_activations = (int) $subscription->get_bill_times();
+                                echo (int) $subscription->get_times_billed() . ' / ' . ( empty( $max_activations ) ? "&infin;" : $max_activations );
 
-								break;
+                                break;
 
-						}
-						do_action( "getpaid_render_single_subscription_column_$key", $subscription );
+                        }
+                        do_action( "getpaid_render_single_subscription_column_$key", $subscription );
 
-					?>
+                    ?>
 				</td>
 
 			</tr>
@@ -117,17 +117,17 @@ 
 <span class="form-text">
 
 	<?php
-		if ( $subscription->can_cancel() ) {
-			printf(
-				'<a href="%s" class="btn btn-danger btn-sm" onclick="return confirm(\'%s\')">%s</a>&nbsp;&nbsp;',
-				esc_url( $subscription->get_cancel_url() ),
-				esc_attr__( 'Are you sure you want to cancel this subscription?', 'invoicing' ),
-				__( 'Cancel Subscription', 'invoicing' )
-			);
-		}
-
-		do_action( 'getpaid-single-subscription-page-actions', $subscription );
-	?>
+        if ( $subscription->can_cancel() ) {
+            printf(
+                '<a href="%s" class="btn btn-danger btn-sm" onclick="return confirm(\'%s\')">%s</a>&nbsp;&nbsp;',
+                esc_url( $subscription->get_cancel_url() ),
+                esc_attr__( 'Are you sure you want to cancel this subscription?', 'invoicing' ),
+                __( 'Cancel Subscription', 'invoicing' )
+            );
+        }
+
+        do_action( 'getpaid-single-subscription-page-actions', $subscription );
+    ?>
 
 	<a href="<?php echo esc_url( get_permalink( (int) wpinv_get_option( 'invoice_subscription_page' ) ) ); ?>" class="btn btn-secondary btn-sm"><?php _e( 'Go Back', 'invoicing' ); ?></a>
 </span>
\ No newline at end of file

Spacing +32 added lines, -32 removed lines

@@ -9,14 +9,14 @@ 
  * @var WPInv_Subscriptions_Widget $widget
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
-do_action( 'getpaid_single_subscription_before_notices', $subscription );
+do_action('getpaid_single_subscription_before_notices', $subscription);
 
 // Display errors and notices.
 wpinv_print_errors();
 
-do_action( 'getpaid_before_single_subscription', $subscription );
+do_action('getpaid_before_single_subscription', $subscription);
 
 ?>
 
@@ -28,44 +28,44 @@ 
 
 </style>
 
-<h2 class="mb-1 h4"><?php _e( 'Subscription Details', 'invoicing' ); ?></h2>
+<h2 class="mb-1 h4"><?php _e('Subscription Details', 'invoicing'); ?></h2>
 <table class="table table-bordered">
 	<tbody>
 
-		<?php foreach ( $widget->get_single_subscription_columns( $subscription ) as $key => $label ) : ?>
+		<?php foreach ($widget->get_single_subscription_columns($subscription) 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">
 					<?php
 
-						switch ( $key ) {
+						switch ($key) {
 
 							case 'status':
-								echo sanitize_text_field( $subscription->get_status_label() );
+								echo sanitize_text_field($subscription->get_status_label());
 								break;
 
 							case 'start_date':
-								echo sanitize_text_field( getpaid_format_date_value( $subscription->get_date_created() ) );
+								echo sanitize_text_field(getpaid_format_date_value($subscription->get_date_created()));
 								break;
 
 							case 'expiry_date':
-								echo sanitize_text_field( getpaid_format_date_value( $subscription->get_next_renewal_date() ) );
+								echo sanitize_text_field(getpaid_format_date_value($subscription->get_next_renewal_date()));
 								break;
 
 							case 'initial_amount':
-								echo wpinv_price( wpinv_format_amount( $subscription->get_initial_amount() ), $subscription->get_parent_payment()->get_currency() );
+								echo wpinv_price(wpinv_format_amount($subscription->get_initial_amount()), $subscription->get_parent_payment()->get_currency());
 
-								if ( $subscription->has_trial_period() ) {
+								if ($subscription->has_trial_period()) {
 
 									echo "<small class='text-muted'>&nbsp;";
 									printf(
-										_x( '( %1$s trial )', 'Subscription trial period. (e.g.: 1 month trial)', 'invoicing' ),
-										sanitize_text_field( $subscription->get_trial_period() )
+										_x('( %1$s trial )', 'Subscription trial period. (e.g.: 1 month trial)', 'invoicing'),
+										sanitize_text_field($subscription->get_trial_period())
 									);
 									echo '</small>';
 
@@ -74,18 +74,18 @@ 
 								break;
 
 							case 'recurring_amount':
-								$frequency = getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' );
-								$amount    = wpinv_price( wpinv_format_amount( $subscription->get_recurring_amount() ), $subscription->get_parent_payment()->get_currency() );
-								echo strtolower( "<strong style='font-weight: 500;'>$amount</strong> / $frequency" );
+								$frequency = getpaid_get_subscription_period_label($subscription->get_period(), $subscription->get_frequency(), '');
+								$amount    = wpinv_price(wpinv_format_amount($subscription->get_recurring_amount()), $subscription->get_parent_payment()->get_currency());
+								echo strtolower("<strong style='font-weight: 500;'>$amount</strong> / $frequency");
 								break;
 
 							case 'item':
-								$item = get_post( $subscription->get_product_id() );
+								$item = get_post($subscription->get_product_id());
 
-								if ( ! empty( $item ) ) {
-									echo esc_html( get_the_title( $item ) );
+								if (!empty($item)) {
+									echo esc_html(get_the_title($item));
 								} else {
-									echo sprintf( __( 'Item #%s', 'invoicing' ), $subscription->get_product_id() );
+									echo sprintf(__('Item #%s', 'invoicing'), $subscription->get_product_id());
 								}
 
 								break;
@@ -93,12 +93,12 @@ 
 							case 'payments':
 
 								$max_activations = (int) $subscription->get_bill_times();
-								echo (int) $subscription->get_times_billed() . ' / ' . ( empty( $max_activations ) ? "&infin;" : $max_activations );
+								echo (int) $subscription->get_times_billed() . ' / ' . (empty($max_activations) ? "&infin;" : $max_activations);
 
 								break;
 
 						}
-						do_action( "getpaid_render_single_subscription_column_$key", $subscription );
+						do_action("getpaid_render_single_subscription_column_$key", $subscription);
 
 					?>
 				</td>
@@ -110,24 +110,24 @@ 
 	</tbody>
 </table>
 
-<h2 class='mt-5 mb-1 h4'><?php _e( 'Subscription Invoices', 'invoicing' ); ?></h2>
+<h2 class='mt-5 mb-1 h4'><?php _e('Subscription Invoices', 'invoicing'); ?></h2>
 
-<?php echo getpaid_admin_subscription_invoice_details_metabox( $subscription ); ?>
+<?php echo getpaid_admin_subscription_invoice_details_metabox($subscription); ?>
 
 <span class="form-text">
 
 	<?php
-		if ( $subscription->can_cancel() ) {
+		if ($subscription->can_cancel()) {
 			printf(
 				'<a href="%s" class="btn btn-danger btn-sm" onclick="return confirm(\'%s\')">%s</a>&nbsp;&nbsp;',
-				esc_url( $subscription->get_cancel_url() ),
-				esc_attr__( 'Are you sure you want to cancel this subscription?', 'invoicing' ),
-				__( 'Cancel Subscription', 'invoicing' )
+				esc_url($subscription->get_cancel_url()),
+				esc_attr__('Are you sure you want to cancel this subscription?', 'invoicing'),
+				__('Cancel Subscription', 'invoicing')
 			);
 		}
 
-		do_action( 'getpaid-single-subscription-page-actions', $subscription );
+		do_action('getpaid-single-subscription-page-actions', $subscription);
 	?>
 
-	<a href="<?php echo esc_url( get_permalink( (int) wpinv_get_option( 'invoice_subscription_page' ) ) ); ?>" class="btn btn-secondary btn-sm"><?php _e( 'Go Back', 'invoicing' ); ?></a>
+	<a href="<?php echo esc_url(get_permalink((int) wpinv_get_option('invoice_subscription_page'))); ?>" class="btn btn-secondary btn-sm"><?php _e('Go Back', 'invoicing'); ?></a>
 </span>
\ No newline at end of file

invoicing.php

Indentation +4 added lines, -4 removed lines

@@ -19,16 +19,16 @@ 
 
 // Define constants.
 if ( ! defined( 'WPINV_PLUGIN_FILE' ) ) {
-	define( 'WPINV_PLUGIN_FILE', __FILE__ );
+    define( 'WPINV_PLUGIN_FILE', __FILE__ );
 }
 
 if ( ! defined( 'WPINV_VERSION' ) ) {
-	define( 'WPINV_VERSION', '1.1.0' );
+    define( 'WPINV_VERSION', '1.1.0' );
 }
 
 // Include the main Invoicing class.
 if ( ! class_exists( 'WPInv_Plugin', false ) ) {
-	require_once plugin_dir_path( WPINV_PLUGIN_FILE ) . 'includes/class-wpinv.php';
+    require_once plugin_dir_path( WPINV_PLUGIN_FILE ) . 'includes/class-wpinv.php';
 }
 
 /**
@@ -43,7 +43,7 @@ 
         $GLOBALS['invoicing'] = new WPInv_Plugin();
     }
 
-	return $GLOBALS['invoicing'];
+    return $GLOBALS['invoicing'];
 }
 
 /**

Spacing +8 added lines, -8 removed lines

@@ -15,20 +15,20 @@ 
  * @package GetPaid
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Define constants.
-if ( ! defined( 'WPINV_PLUGIN_FILE' ) ) {
-	define( 'WPINV_PLUGIN_FILE', __FILE__ );
+if (!defined('WPINV_PLUGIN_FILE')) {
+	define('WPINV_PLUGIN_FILE', __FILE__);
 }
 
-if ( ! defined( 'WPINV_VERSION' ) ) {
-	define( 'WPINV_VERSION', '1.1.0' );
+if (!defined('WPINV_VERSION')) {
+	define('WPINV_VERSION', '1.1.0');
 }
 
 // Include the main Invoicing class.
-if ( ! class_exists( 'WPInv_Plugin', false ) ) {
-	require_once plugin_dir_path( WPINV_PLUGIN_FILE ) . 'includes/class-wpinv.php';
+if (!class_exists('WPInv_Plugin', false)) {
+	require_once plugin_dir_path(WPINV_PLUGIN_FILE) . 'includes/class-wpinv.php';
 }
 
 /**
@@ -39,7 +39,7 @@ 
  */
 function getpaid() {
 
-    if ( empty( $GLOBALS['invoicing'] ) ) {
+    if (empty($GLOBALS['invoicing'])) {
         $GLOBALS['invoicing'] = new WPInv_Plugin();
     }