AyeCode / invoicing

includes/admin/subscriptions.php

Indentation +433 added lines, -433 removed lines

@@ -14,7 +14,7 @@ 
  */
 function wpinv_subscriptions_page() {
 
-	?>
+    ?>
 
 	<div class="wrap">
 		<h1><?php echo esc_html( get_admin_page_title() ); ?></h1>
@@ -22,27 +22,27 @@ 
 
 			<?php
 
-				// Verify user permissions.
-				if ( ! wpinv_current_user_can_manage_invoicing() ) {
+                // Verify user permissions.
+                if ( ! wpinv_current_user_can_manage_invoicing() ) {
 
-					echo aui()->alert(
-						array(
-							'type'    => 'danger',
-							'content' => __( 'You are not permitted to view this page.', 'invoicing' ),
-						)
-					);
+                    echo aui()->alert(
+                        array(
+                            'type'    => 'danger',
+                            'content' => __( 'You are not permitted to view this page.', 'invoicing' ),
+                        )
+                    );
 
-				} else if ( ! empty( $_GET['id'] ) && is_numeric( $_GET['id'] ) ) {
+                } else if ( ! empty( $_GET['id'] ) && is_numeric( $_GET['id'] ) ) {
 
-					// Display a single subscription.
-					wpinv_recurring_subscription_details();
-				} else {
+                    // Display a single subscription.
+                    wpinv_recurring_subscription_details();
+                } else {
 
-					// Display a list of available subscriptions.
-					getpaid_print_subscriptions_list();
-				}
+                    // Display a list of available subscriptions.
+                    getpaid_print_subscriptions_list();
+                }
 
-			?>
+            ?>
 
 		</div>
 	</div>
@@ -59,10 +59,10 @@ 
  */
 function getpaid_print_subscriptions_list() {
 
-	$subscribers_table = new WPInv_Subscriptions_List_Table();
-	$subscribers_table->prepare_items();
+    $subscribers_table = new WPInv_Subscriptions_List_Table();
+    $subscribers_table->prepare_items();
 
-	?>
+    ?>
 	<?php $subscribers_table->views(); ?>
 	<form id="subscribers-filter" class="bsui" method="get">
 		<input type="hidden" name="page" value="wpinv-subscriptions" />
@@ -81,41 +81,41 @@ 
  */
 function wpinv_recurring_subscription_details() {
 
-	// Fetch the subscription.
-	$sub = new WPInv_Subscription( (int) $_GET['id'] );
-	if ( ! $sub->exists() ) {
+    // Fetch the subscription.
+    $sub = new WPInv_Subscription( (int) $_GET['id'] );
+    if ( ! $sub->exists() ) {
 
-		echo aui()->alert(
-			array(
-				'type'    => 'danger',
-				'content' => __( 'Subscription not found.', 'invoicing' ),
-			)
-		);
+        echo aui()->alert(
+            array(
+                'type'    => 'danger',
+                'content' => __( 'Subscription not found.', 'invoicing' ),
+            )
+        );
 
-		return;
-	}
+        return;
+    }
 
-	// Use metaboxes to display the subscription details.
-	add_meta_box( 'getpaid_admin_subscription_details_metabox', __( 'Subscription Details', 'invoicing' ), 'getpaid_admin_subscription_details_metabox', get_current_screen(), 'normal', 'high' );
-	add_meta_box( 'getpaid_admin_subscription_update_metabox', __( 'Change Status', 'invoicing' ), 'getpaid_admin_subscription_update_metabox', get_current_screen(), 'side' );
+    // Use metaboxes to display the subscription details.
+    add_meta_box( 'getpaid_admin_subscription_details_metabox', __( 'Subscription Details', 'invoicing' ), 'getpaid_admin_subscription_details_metabox', get_current_screen(), 'normal', 'high' );
+    add_meta_box( 'getpaid_admin_subscription_update_metabox', __( 'Change Status', 'invoicing' ), 'getpaid_admin_subscription_update_metabox', get_current_screen(), 'side' );
 
-	$subscription_id     = $sub->get_id();
-	$subscription_groups = getpaid_get_invoice_subscription_groups( $sub->get_parent_invoice_id() );
-	$subscription_group  = wp_list_filter( $subscription_groups, compact( 'subscription_id' ) );
+    $subscription_id     = $sub->get_id();
+    $subscription_groups = getpaid_get_invoice_subscription_groups( $sub->get_parent_invoice_id() );
+    $subscription_group  = wp_list_filter( $subscription_groups, compact( 'subscription_id' ) );
 
-	if ( 1 < count( $subscription_groups ) ) {
-		add_meta_box( 'getpaid_admin_subscription_related_subscriptions_metabox', __( 'Related Subscriptions', 'invoicing' ), 'getpaid_admin_subscription_related_subscriptions_metabox', get_current_screen(), 'advanced' );
-	}
+    if ( 1 < count( $subscription_groups ) ) {
+        add_meta_box( 'getpaid_admin_subscription_related_subscriptions_metabox', __( 'Related Subscriptions', 'invoicing' ), 'getpaid_admin_subscription_related_subscriptions_metabox', get_current_screen(), 'advanced' );
+    }
 
-	if ( ! empty( $subscription_group ) ) {
-		add_meta_box( 'getpaid_admin_subscription_item_details_metabox', __( 'Subscription Items', 'invoicing' ), 'getpaid_admin_subscription_item_details_metabox', get_current_screen(), 'normal', 'low' );
-	}
+    if ( ! empty( $subscription_group ) ) {
+        add_meta_box( 'getpaid_admin_subscription_item_details_metabox', __( 'Subscription Items', 'invoicing' ), 'getpaid_admin_subscription_item_details_metabox', get_current_screen(), 'normal', 'low' );
+    }
 
-	add_meta_box( 'getpaid_admin_subscription_invoice_details_metabox', __( 'Related Invoices', 'invoicing' ), 'getpaid_admin_subscription_invoice_details_metabox', get_current_screen(), 'advanced' );
+    add_meta_box( 'getpaid_admin_subscription_invoice_details_metabox', __( 'Related Invoices', 'invoicing' ), 'getpaid_admin_subscription_invoice_details_metabox', get_current_screen(), 'advanced' );
 
-	do_action( 'getpaid_admin_single_subscription_register_metabox', $sub );
+    do_action( 'getpaid_admin_single_subscription_register_metabox', $sub );
 
-	?>
+    ?>
 
 		<form method="post" action="<?php echo admin_url( 'admin.php?page=wpinv-subscriptions&id=' . absint( $sub->get_id() ) ); ?>">
 
@@ -155,45 +155,45 @@ 
  */
 function getpaid_admin_subscription_details_metabox( $sub ) {
 
-	// Subscription items.
-	$subscription_group = getpaid_get_invoice_subscription_group( $sub->get_parent_invoice_id(), $sub->get_id() );
-	$items_count        = empty( $subscription_group ) ? 1 : count( $subscription_group['items'] );
-
-	// Prepare subscription detail columns.
-	$fields = apply_filters(
-		'getpaid_subscription_admin_page_fields',
-		array(
-			'subscription'   => __( 'Subscription', 'invoicing' ),
-			'customer'       => __( 'Customer', 'invoicing' ),
-			'amount'         => __( 'Amount', 'invoicing' ),
-			'start_date'     => __( 'Start Date', 'invoicing' ),
-			'renews_on'      => __( 'Next Payment', 'invoicing' ),
-			'renewals'       => __( 'Payments', 'invoicing' ),
-			'item'           => _n( 'Item', 'Items', $items_count,  'invoicing' ),
-			'gateway'        => __( 'Payment Method', 'invoicing' ),
-			'profile_id'     => __( 'Profile ID', 'invoicing' ),
-			'status'         => __( 'Status', 'invoicing' ),
-		)
-	);
-
-	if ( ! $sub->is_active() ) {
-
-		if ( isset( $fields['renews_on'] ) ) {
-			unset( $fields['renews_on'] );
-		}
-
-		if ( isset( $fields['gateway'] ) ) {
-			unset( $fields['gateway'] );
-		}
-
-	}
-
-	$profile_id = $sub->get_profile_id();
-	if ( empty( $profile_id ) && isset( $fields['profile_id'] ) ) {
-		unset( $fields['profile_id'] );
-	}
-
-	?>
+    // Subscription items.
+    $subscription_group = getpaid_get_invoice_subscription_group( $sub->get_parent_invoice_id(), $sub->get_id() );
+    $items_count        = empty( $subscription_group ) ? 1 : count( $subscription_group['items'] );
+
+    // Prepare subscription detail columns.
+    $fields = apply_filters(
+        'getpaid_subscription_admin_page_fields',
+        array(
+            'subscription'   => __( 'Subscription', 'invoicing' ),
+            'customer'       => __( 'Customer', 'invoicing' ),
+            'amount'         => __( 'Amount', 'invoicing' ),
+            'start_date'     => __( 'Start Date', 'invoicing' ),
+            'renews_on'      => __( 'Next Payment', 'invoicing' ),
+            'renewals'       => __( 'Payments', 'invoicing' ),
+            'item'           => _n( 'Item', 'Items', $items_count,  'invoicing' ),
+            'gateway'        => __( 'Payment Method', 'invoicing' ),
+            'profile_id'     => __( 'Profile ID', 'invoicing' ),
+            'status'         => __( 'Status', 'invoicing' ),
+        )
+    );
+
+    if ( ! $sub->is_active() ) {
+
+        if ( isset( $fields['renews_on'] ) ) {
+            unset( $fields['renews_on'] );
+        }
+
+        if ( isset( $fields['gateway'] ) ) {
+            unset( $fields['gateway'] );
+        }
+
+    }
+
+    $profile_id = $sub->get_profile_id();
+    if ( empty( $profile_id ) && isset( $fields['profile_id'] ) ) {
+        unset( $fields['profile_id'] );
+    }
+
+    ?>
 
 		<table class="table table-borderless" style="font-size: 14px;">
 			<tbody>
@@ -227,20 +227,20 @@ 
  */
 function getpaid_admin_subscription_metabox_display_customer( $subscription ) {
 
-	$username = __( '(Missing User)', 'invoicing' );
+    $username = __( '(Missing User)', 'invoicing' );
 
-	$user = get_userdata( $subscription->get_customer_id() );
-	if ( $user ) {
+    $user = get_userdata( $subscription->get_customer_id() );
+    if ( $user ) {
 
-		$username = sprintf(
-			'<a href="user-edit.php?user_id=%s">%s</a>',
-			absint( $user->ID ),
-			! empty( $user->display_name ) ? esc_html( $user->display_name ) : sanitize_email( $user->user_email )
-		);
+        $username = sprintf(
+            '<a href="user-edit.php?user_id=%s">%s</a>',
+            absint( $user->ID ),
+            ! empty( $user->display_name ) ? esc_html( $user->display_name ) : sanitize_email( $user->user_email )
+        );
 
-	}
+    }
 
-	echo  $username;
+    echo  $username;
 }
 add_action( 'getpaid_subscription_admin_display_customer', 'getpaid_admin_subscription_metabox_display_customer' );
 
@@ -250,8 +250,8 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_amount( $subscription ) {
-	$amount    = wp_kses_post( getpaid_get_formatted_subscription_amount( $subscription ) );
-	echo "<span>$amount</span>";
+    $amount    = wp_kses_post( getpaid_get_formatted_subscription_amount( $subscription ) );
+    echo "<span>$amount</span>";
 }
 add_action( 'getpaid_subscription_admin_display_amount', 'getpaid_admin_subscription_metabox_display_amount' );
 
@@ -262,11 +262,11 @@ 
  */
 function getpaid_admin_subscription_metabox_display_id( $subscription ) {
 
-	printf(
-		'<a href="%s">#%s</a>',
-		esc_url( admin_url( 'admin.php?page=wpinv-subscriptions&id=' . absint( $subscription->get_id() ) ) ),
-		absint( $subscription->get_id() )
-	);
+    printf(
+        '<a href="%s">#%s</a>',
+        esc_url( admin_url( 'admin.php?page=wpinv-subscriptions&id=' . absint( $subscription->get_id() ) ) ),
+        absint( $subscription->get_id() )
+    );
 
 }
 add_action( 'getpaid_subscription_admin_display_subscription', 'getpaid_admin_subscription_metabox_display_id' );
@@ -277,7 +277,7 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_start_date( $subscription ) {
-	echo getpaid_format_date_value( $subscription->get_date_created() );
+    echo getpaid_format_date_value( $subscription->get_date_created() );
 }
 add_action( 'getpaid_subscription_admin_display_start_date', 'getpaid_admin_subscription_metabox_display_start_date' );
 
@@ -287,7 +287,7 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_renews_on( $subscription ) {
-	echo getpaid_format_date_value( $subscription->get_expiration() );
+    echo getpaid_format_date_value( $subscription->get_expiration() );
 }
 add_action( 'getpaid_subscription_admin_display_renews_on', 'getpaid_admin_subscription_metabox_display_renews_on' );
 
@@ -297,8 +297,8 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_renewals( $subscription ) {
-	$max_bills = $subscription->get_bill_times();
-	echo $subscription->get_times_billed() . ' / ' . ( empty( $max_bills ) ? "&infin;" : $max_bills );
+    $max_bills = $subscription->get_bill_times();
+    echo $subscription->get_times_billed() . ' / ' . ( empty( $max_bills ) ? "&infin;" : $max_bills );
 }
 add_action( 'getpaid_subscription_admin_display_renewals', 'getpaid_admin_subscription_metabox_display_renewals' );
 /**
@@ -309,13 +309,13 @@ 
  */
 function getpaid_admin_subscription_metabox_display_item( $subscription, $subscription_group = false ) {
 
-	if ( empty( $subscription_group ) ) {
-		echo WPInv_Subscriptions_List_Table::generate_item_markup( $subscription->get_product_id() );
-		return;
-	}
+    if ( empty( $subscription_group ) ) {
+        echo WPInv_Subscriptions_List_Table::generate_item_markup( $subscription->get_product_id() );
+        return;
+    }
 
-	$markup = array_map( array( 'WPInv_Subscriptions_List_Table', 'generate_item_markup' ), array_keys( $subscription_group['items'] ) );
-	echo implode( ' | ', $markup );
+    $markup = array_map( array( 'WPInv_Subscriptions_List_Table', 'generate_item_markup' ), array_keys( $subscription_group['items'] ) );
+    echo implode( ' | ', $markup );
 
 }
 add_action( 'getpaid_subscription_admin_display_item', 'getpaid_admin_subscription_metabox_display_item', 10, 2 );
@@ -327,13 +327,13 @@ 
  */
 function getpaid_admin_subscription_metabox_display_gateway( $subscription ) {
 
-	$gateway = $subscription->get_gateway();
+    $gateway = $subscription->get_gateway();
 
-	if ( ! empty( $gateway ) ) {
-		echo esc_html( wpinv_get_gateway_admin_label( $gateway ) );
-	} else {
-		echo "&mdash;";
-	}
+    if ( ! empty( $gateway ) ) {
+        echo esc_html( wpinv_get_gateway_admin_label( $gateway ) );
+    } else {
+        echo "&mdash;";
+    }
 
 }
 add_action( 'getpaid_subscription_admin_display_gateway', 'getpaid_admin_subscription_metabox_display_gateway' );
@@ -344,7 +344,7 @@ 
  * @param WPInv_Subscription $subscription
  */
 function getpaid_admin_subscription_metabox_display_status( $subscription ) {
-	echo $subscription->get_status_label_html();
+    echo $subscription->get_status_label_html();
 }
 add_action( 'getpaid_subscription_admin_display_status', 'getpaid_admin_subscription_metabox_display_status' );
 
@@ -355,29 +355,29 @@ 
  */
 function getpaid_admin_subscription_metabox_display_profile_id( $subscription ) {
 
-	$profile_id = $subscription->get_profile_id();
-
-	$input = aui()->input(
-		array(
-			'type'        => 'text',
-			'id'          => 'wpinv_subscription_profile_id',
-			'name'        => 'wpinv_subscription_profile_id',
-			'label'       => __( 'Profile Id', 'invoicing' ),
-			'label_type'  => 'hidden',
-			'placeholder' => __( 'Profile Id', 'invoicing' ),
-			'value'       => esc_attr( $profile_id ),
-			'input_group_right' => '',
-			'no_wrap'     => true,
-		)
-	);
-
-	echo str_ireplace( 'form-control', 'regular-text', $input );
-
-	$url = apply_filters( 'getpaid_remote_subscription_profile_url', '', $subscription );
-	if ( ! empty( $url ) ) {
-		$url = esc_url_raw( $url );
-		echo '&nbsp;<a href="' . $url . '" title="' . __( 'View in Gateway', 'invoicing' ) . '" target="_blank"><i class="fas fa-external-link-alt fa-xs fa-fw align-top"></i></a>';
-	}
+    $profile_id = $subscription->get_profile_id();
+
+    $input = aui()->input(
+        array(
+            'type'        => 'text',
+            'id'          => 'wpinv_subscription_profile_id',
+            'name'        => 'wpinv_subscription_profile_id',
+            'label'       => __( 'Profile Id', 'invoicing' ),
+            'label_type'  => 'hidden',
+            'placeholder' => __( 'Profile Id', 'invoicing' ),
+            'value'       => esc_attr( $profile_id ),
+            'input_group_right' => '',
+            'no_wrap'     => true,
+        )
+    );
+
+    echo str_ireplace( 'form-control', 'regular-text', $input );
+
+    $url = apply_filters( 'getpaid_remote_subscription_profile_url', '', $subscription );
+    if ( ! empty( $url ) ) {
+        $url = esc_url_raw( $url );
+        echo '&nbsp;<a href="' . $url . '" title="' . __( 'View in Gateway', 'invoicing' ) . '" target="_blank"><i class="fas fa-external-link-alt fa-xs fa-fw align-top"></i></a>';
+    }
 
 }
 add_action( 'getpaid_subscription_admin_display_profile_id', 'getpaid_admin_subscription_metabox_display_profile_id' );
@@ -389,39 +389,39 @@ 
  */
 function getpaid_admin_subscription_update_metabox( $subscription ) {
 
-	?>
+    ?>
 	<div class="mt-3">
 
 		<?php
-			echo aui()->select(
-				array(
-					'options'          => getpaid_get_subscription_statuses(),
-					'name'             => 'subscription_status',
-					'id'               => 'subscription_status_update_select',
-					'required'         => true,
-					'no_wrap'          => false,
-					'label'            => __( 'Subscription Status', 'invoicing' ),
-					'help_text'        => __( 'Updating the status will trigger related actions and hooks', 'invoicing' ),
-					'select2'          => true,
-					'value'            => $subscription->get_status( 'edit' ),
-				)
-			);
-		?>
+            echo aui()->select(
+                array(
+                    'options'          => getpaid_get_subscription_statuses(),
+                    'name'             => 'subscription_status',
+                    'id'               => 'subscription_status_update_select',
+                    'required'         => true,
+                    'no_wrap'          => false,
+                    'label'            => __( 'Subscription Status', 'invoicing' ),
+                    'help_text'        => __( 'Updating the status will trigger related actions and hooks', 'invoicing' ),
+                    'select2'          => true,
+                    'value'            => $subscription->get_status( 'edit' ),
+                )
+            );
+        ?>
 
 		<div class="mt-2 px-3 py-2 bg-light border-top" style="margin: -12px;">
 
 		<?php
-			submit_button( __( 'Update', 'invoicing' ), 'primary', 'submit', false );
+            submit_button( __( 'Update', 'invoicing' ), 'primary', 'submit', false );
 
-			$url    = esc_url( wp_nonce_url( add_query_arg( 'getpaid-admin-action', 'subscription_manual_renew' ), 'getpaid-nonce', 'getpaid-nonce' ) );
-			$anchor = __( 'Renew Subscription', 'invoicing' );
-			$title  = esc_attr__( 'Are you sure you want to extend the subscription and generate a new invoice that will be automatically marked as paid?', 'invoicing' );
+            $url    = esc_url( wp_nonce_url( add_query_arg( 'getpaid-admin-action', 'subscription_manual_renew' ), 'getpaid-nonce', 'getpaid-nonce' ) );
+            $anchor = __( 'Renew Subscription', 'invoicing' );
+            $title  = esc_attr__( 'Are you sure you want to extend the subscription and generate a new invoice that will be automatically marked as paid?', 'invoicing' );
 
-			if ( $subscription->is_active() ) {
-				echo "<a href='$url' class='float-right text-muted' onclick='return confirm(\"$title\")'>$anchor</a>";
-			}
+            if ( $subscription->is_active() ) {
+                echo "<a href='$url' class='float-right text-muted' onclick='return confirm(\"$title\")'>$anchor</a>";
+            }
 
-	echo '</div></div>';
+    echo '</div></div>';
 }
 
 /**
@@ -432,33 +432,33 @@ 
  */
 function getpaid_admin_subscription_invoice_details_metabox( $subscription, $strict = true ) {
 
-	$columns = apply_filters(
-		'getpaid_subscription_related_invoices_columns',
-		array(
-			'invoice'      => __( 'Invoice', 'invoicing' ),
-			'relationship' => __( 'Relationship', 'invoicing' ),
-			'date'         => __( 'Date', 'invoicing' ),
-			'status'       => __( 'Status', 'invoicing' ),
-			'total'        => __( 'Total', 'invoicing' ),
-		),
-		$subscription
-	);
-
-	// Prepare the invoices.
-	$payments = $subscription->get_child_payments( ! is_admin() );
-	$parent   = $subscription->get_parent_invoice();
-
-	if ( $parent->exists() ) {
-		$payments = array_merge( array( $parent ), $payments );
-	}
-
-	$table_class = 'w-100 bg-white';
-
-	if ( ! is_admin() ) {
-		$table_class = 'table table-bordered';
-	}
-
-	?>
+    $columns = apply_filters(
+        'getpaid_subscription_related_invoices_columns',
+        array(
+            'invoice'      => __( 'Invoice', 'invoicing' ),
+            'relationship' => __( 'Relationship', 'invoicing' ),
+            'date'         => __( 'Date', 'invoicing' ),
+            'status'       => __( 'Status', 'invoicing' ),
+            'total'        => __( 'Total', 'invoicing' ),
+        ),
+        $subscription
+    );
+
+    // Prepare the invoices.
+    $payments = $subscription->get_child_payments( ! is_admin() );
+    $parent   = $subscription->get_parent_invoice();
+
+    if ( $parent->exists() ) {
+        $payments = array_merge( array( $parent ), $payments );
+    }
+
+    $table_class = 'w-100 bg-white';
+
+    if ( ! is_admin() ) {
+        $table_class = 'table table-bordered';
+    }
+
+    ?>
 		<div class="m-0" style="overflow: auto;">
 
 			<table class="<?php echo $table_class; ?>">
@@ -466,14 +466,14 @@ 
 				<thead>
 					<tr>
 						<?php
-							foreach ( $columns as $key => $label ) {
-								$key   = esc_attr( $key );
-								$label = esc_html( $label );
-								$class = 'text-left';
-
-								echo "<th class='subscription-invoice-field-$key bg-light p-2 $class color-dark font-weight-bold'>$label</th>";
-							}
-						?>
+                            foreach ( $columns as $key => $label ) {
+                                $key   = esc_attr( $key );
+                                $label = esc_html( $label );
+                                $class = 'text-left';
+
+                                echo "<th class='subscription-invoice-field-$key bg-light p-2 $class color-dark font-weight-bold'>$label</th>";
+                            }
+                        ?>
 					</tr>
 				</thead>
 
@@ -489,73 +489,73 @@ 
 
 					<?php
 
-						foreach( $payments as $payment ) :
+                        foreach( $payments as $payment ) :
 
-							// Ensure that we have an invoice.
-							$payment = new WPInv_Invoice( $payment );
+                            // Ensure that we have an invoice.
+                            $payment = new WPInv_Invoice( $payment );
 
-							// Abort if the invoice is invalid...
-							if ( ! $payment->exists() ) {
-								continue;
-							}
+                            // Abort if the invoice is invalid...
+                            if ( ! $payment->exists() ) {
+                                continue;
+                            }
 
-							// ... or belongs to a different subscription.
-							if ( $strict && $payment->is_renewal() && $payment->get_subscription_id() && $payment->get_subscription_id() != $subscription->get_id() ) {
-								continue;
-							}
+                            // ... or belongs to a different subscription.
+                            if ( $strict && $payment->is_renewal() && $payment->get_subscription_id() && $payment->get_subscription_id() != $subscription->get_id() ) {
+                                continue;
+                            }
 
-							echo '<tr>';
+                            echo '<tr>';
 
-								foreach ( array_keys( $columns ) as $key ) {
+                                foreach ( array_keys( $columns ) as $key ) {
 
-									$class = 'text-left';
+                                    $class = 'text-left';
 
-									echo "<td class='p-2 $class'>";
+                                    echo "<td class='p-2 $class'>";
 
-										switch( $key ) {
+                                        switch( $key ) {
 
-											case 'total':
-												echo '<strong>' . wpinv_price( $payment->get_total(), $payment->get_currency() ) . '</strong>';
-												break;
+                                            case 'total':
+                                                echo '<strong>' . wpinv_price( $payment->get_total(), $payment->get_currency() ) . '</strong>';
+                                                break;
 
-											case 'relationship':
-												echo $payment->is_renewal() ? __( 'Renewal Invoice', 'invoicing' ) : __( 'Initial Invoice', 'invoicing' );
-												break;
+                                            case 'relationship':
+                                                echo $payment->is_renewal() ? __( 'Renewal Invoice', 'invoicing' ) : __( 'Initial Invoice', 'invoicing' );
+                                                break;
 
-											case 'date':
-												echo getpaid_format_date_value( $payment->get_date_created() );
-												break;
+                                            case 'date':
+                                                echo getpaid_format_date_value( $payment->get_date_created() );
+                                                break;
 
-											case 'status':
+                                            case 'status':
 
-												$status = $payment->get_status_nicename();
-												if ( is_admin() ) {
-													$status = $payment->get_status_label_html();
-												}
+                                                $status = $payment->get_status_nicename();
+                                                if ( is_admin() ) {
+                                                    $status = $payment->get_status_label_html();
+                                                }
 
-												echo $status;
-												break;
+                                                echo $status;
+                                                break;
 
-											case 'invoice':
-												$link    = esc_url( get_edit_post_link( $payment->get_id() ) );
+                                            case 'invoice':
+                                                $link    = esc_url( get_edit_post_link( $payment->get_id() ) );
 
-												if ( ! is_admin() ) {
-													$link = esc_url( $payment->get_view_url() );
-												}
+                                                if ( ! is_admin() ) {
+                                                    $link = esc_url( $payment->get_view_url() );
+                                                }
 
-												$invoice = esc_html( $payment->get_number() );
-												echo "<a href='$link'>$invoice</a>";
-												break;
-										}
+                                                $invoice = esc_html( $payment->get_number() );
+                                                echo "<a href='$link'>$invoice</a>";
+                                                break;
+                                        }
 
-									echo '</td>';
+                                    echo '</td>';
 
-								}
+                                }
 
-							echo '</tr>';
+                            echo '</tr>';
 
-						endforeach;
-					?>
+                        endforeach;
+                    ?>
 
 				</tbody>
 
@@ -573,42 +573,42 @@ 
  */
 function getpaid_admin_subscription_item_details_metabox( $subscription ) {
 
-	// Fetch the subscription group.
-	$subscription_group = getpaid_get_invoice_subscription_group( $subscription->get_parent_payment_id(), $subscription->get_id() );
+    // Fetch the subscription group.
+    $subscription_group = getpaid_get_invoice_subscription_group( $subscription->get_parent_payment_id(), $subscription->get_id() );
 
-	if ( empty( $subscription_group ) || empty( $subscription_group['items'] ) ) {
-		return;
-	}
+    if ( empty( $subscription_group ) || empty( $subscription_group['items'] ) ) {
+        return;
+    }
 
-	// Prepare table columns.
-	$columns = apply_filters(
-		'getpaid_subscription_item_details_columns',
-		array(
-			'item_name'    => __( 'Item', 'invoicing' ),
-			'price'        => __( 'Price', 'invoicing' ),
-			'tax'          => __( 'Tax', 'invoicing' ),
-			'discount'     => __( 'Discount', 'invoicing' ),
-			//'initial'      => __( 'Initial Amount', 'invoicing' ),
-			'recurring'    => __( 'Subtotal', 'invoicing' ),
-		),
-		$subscription
-	);
+    // Prepare table columns.
+    $columns = apply_filters(
+        'getpaid_subscription_item_details_columns',
+        array(
+            'item_name'    => __( 'Item', 'invoicing' ),
+            'price'        => __( 'Price', 'invoicing' ),
+            'tax'          => __( 'Tax', 'invoicing' ),
+            'discount'     => __( 'Discount', 'invoicing' ),
+            //'initial'      => __( 'Initial Amount', 'invoicing' ),
+            'recurring'    => __( 'Subtotal', 'invoicing' ),
+        ),
+        $subscription
+    );
 
-	// Prepare the invoices.
+    // Prepare the invoices.
 
-	$invoice = $subscription->get_parent_invoice();
+    $invoice = $subscription->get_parent_invoice();
 
-	if ( ( ! wpinv_use_taxes() || ! $invoice->is_taxable() ) && isset( $columns['tax'] ) ) {
-		unset( $columns['tax'] );
-	}
+    if ( ( ! wpinv_use_taxes() || ! $invoice->is_taxable() ) && isset( $columns['tax'] ) ) {
+        unset( $columns['tax'] );
+    }
 
-	$table_class = 'w-100 bg-white';
+    $table_class = 'w-100 bg-white';
 
-	if ( ! is_admin() ) {
-		$table_class = 'table table-bordered';
-	}
+    if ( ! is_admin() ) {
+        $table_class = 'table table-bordered';
+    }
 
-	?>
+    ?>
 		<div class="m-0" style="overflow: auto;">
 
 			<table class="<?php echo $table_class; ?>">
@@ -617,14 +617,14 @@ 
 					<tr>
 						<?php
 
-							foreach ( $columns as $key => $label ) {
-								$key   = esc_attr( $key );
-								$label = esc_html( $label );
-								$class = 'text-left';
+                            foreach ( $columns as $key => $label ) {
+                                $key   = esc_attr( $key );
+                                $label = esc_html( $label );
+                                $class = 'text-left';
 
-								echo "<th class='subscription-item-field-$key bg-light p-2 $class color-dark font-weight-bold'>$label</th>";
-							}
-						?>
+                                echo "<th class='subscription-item-field-$key bg-light p-2 $class color-dark font-weight-bold'>$label</th>";
+                            }
+                        ?>
 					</tr>
 				</thead>
 
@@ -632,106 +632,106 @@ 
 
 					<?php
 
-						foreach( $subscription_group['items'] as $subscription_group_item ) :
+                        foreach( $subscription_group['items'] as $subscription_group_item ) :
 
-							echo '<tr>';
+                            echo '<tr>';
 
-								foreach ( array_keys( $columns ) as $key ) {
+                                foreach ( array_keys( $columns ) as $key ) {
 
-									$class = 'text-left';
+                                    $class = 'text-left';
 
-									echo "<td class='p-2 $class'>";
+                                    echo "<td class='p-2 $class'>";
 
-										switch( $key ) {
+                                        switch( $key ) {
 
-											case 'item_name':
-												$item_name = get_the_title( $subscription_group_item['item_id'] );
-												$item_name = empty( $item_name ) ? $subscription_group_item['item_name'] : $item_name;
+                                            case 'item_name':
+                                                $item_name = get_the_title( $subscription_group_item['item_id'] );
+                                                $item_name = empty( $item_name ) ? $subscription_group_item['item_name'] : $item_name;
 
-												if ( $invoice->get_template() == 'amount' || 1 == (float) $subscription_group_item['quantity'] ) {
-													echo esc_html( $item_name );
-												} else {
-													printf( '%1$s x %2$d', esc_html( $item_name ), (float) $subscription_group_item['quantity'] );
-												}
+                                                if ( $invoice->get_template() == 'amount' || 1 == (float) $subscription_group_item['quantity'] ) {
+                                                    echo esc_html( $item_name );
+                                                } else {
+                                                    printf( '%1$s x %2$d', esc_html( $item_name ), (float) $subscription_group_item['quantity'] );
+                                                }
 
-												break;
+                                                break;
 
-											case 'price':
-												echo wpinv_price( $subscription_group_item['item_price'], $invoice->get_currency() );
-												break;
+                                            case 'price':
+                                                echo wpinv_price( $subscription_group_item['item_price'], $invoice->get_currency() );
+                                                break;
 
-											case 'tax':
-												echo wpinv_price( $subscription_group_item['tax'], $invoice->get_currency() );
-												break;
+                                            case 'tax':
+                                                echo wpinv_price( $subscription_group_item['tax'], $invoice->get_currency() );
+                                                break;
 
-											case 'discount':
-												echo wpinv_price( $subscription_group_item['discount'], $invoice->get_currency() );
-												break;
+                                            case 'discount':
+                                                echo wpinv_price( $subscription_group_item['discount'], $invoice->get_currency() );
+                                                break;
 
-											case 'initial':
-												echo wpinv_price( $subscription_group_item['price'] * $subscription_group_item['quantity'], $invoice->get_currency() );
-												break;
+                                            case 'initial':
+                                                echo wpinv_price( $subscription_group_item['price'] * $subscription_group_item['quantity'], $invoice->get_currency() );
+                                                break;
 
-											case 'recurring':
-												echo '<strong>' . wpinv_price( $subscription_group_item['price'] * $subscription_group_item['quantity'], $invoice->get_currency() ) . '</strong>';
-												break;
+                                            case 'recurring':
+                                                echo '<strong>' . wpinv_price( $subscription_group_item['price'] * $subscription_group_item['quantity'], $invoice->get_currency() ) . '</strong>';
+                                                break;
 
-										}
+                                        }
 
-									echo '</td>';
+                                    echo '</td>';
 
-								}
+                                }
 
-							echo '</tr>';
+                            echo '</tr>';
 
-						endforeach;
+                        endforeach;
 
-						foreach( $subscription_group['fees'] as $subscription_group_fee ) :
+                        foreach( $subscription_group['fees'] as $subscription_group_fee ) :
 
-							echo '<tr>';
+                            echo '<tr>';
 
-								foreach ( array_keys( $columns ) as $key ) {
+                                foreach ( array_keys( $columns ) as $key ) {
 
-									$class = 'text-left';
+                                    $class = 'text-left';
 
-									echo "<td class='p-2 $class'>";
+                                    echo "<td class='p-2 $class'>";
 
-										switch( $key ) {
+                                        switch( $key ) {
 
-											case 'item_name':
-												echo esc_html( $subscription_group_fee['name'] );
-												break;
+                                            case 'item_name':
+                                                echo esc_html( $subscription_group_fee['name'] );
+                                                break;
 
-											case 'price':
-												echo wpinv_price( $subscription_group_fee['initial_fee'], $invoice->get_currency() );
-												break;
+                                            case 'price':
+                                                echo wpinv_price( $subscription_group_fee['initial_fee'], $invoice->get_currency() );
+                                                break;
 
-											case 'tax':
-												echo "&mdash;";
-												break;
+                                            case 'tax':
+                                                echo "&mdash;";
+                                                break;
 
-											case 'discount':
-												echo "&mdash;";
-												break;
+                                            case 'discount':
+                                                echo "&mdash;";
+                                                break;
 
-											case 'initial':
-												echo wpinv_price( $subscription_group_fee['initial_fee'], $invoice->get_currency() );
-												break;
+                                            case 'initial':
+                                                echo wpinv_price( $subscription_group_fee['initial_fee'], $invoice->get_currency() );
+                                                break;
 
-											case 'recurring':
-												echo '<strong>' . wpinv_price( $subscription_group_fee['recurring_fee'], $invoice->get_currency() ) . '</strong>';
-												break;
+                                            case 'recurring':
+                                                echo '<strong>' . wpinv_price( $subscription_group_fee['recurring_fee'], $invoice->get_currency() ) . '</strong>';
+                                                break;
 
-										}
+                                        }
 
-									echo '</td>';
+                                    echo '</td>';
 
-								}
+                                }
 
-							echo '</tr>';
+                            echo '</tr>';
 
-						endforeach;
-					?>
+                        endforeach;
+                    ?>
 
 				</tbody>
 
@@ -750,38 +750,38 @@ 
  */
 function getpaid_admin_subscription_related_subscriptions_metabox( $subscription, $skip_current = true ) {
 
-	// Fetch the subscription groups.
-	$subscription_groups = getpaid_get_invoice_subscription_groups( $subscription->get_parent_payment_id() );
-
-	if ( empty( $subscription_groups ) ) {
-		return;
-	}
-
-	// Prepare table columns.
-	$columns = apply_filters(
-		'getpaid_subscription_related_subscriptions_columns',
-		array(
-			'subscription'      => __( 'Subscription', 'invoicing' ),
-			'start_date'        => __( 'Start Date', 'invoicing' ),
-			'renewal_date'      => __( 'Next Payment', 'invoicing' ),
-			'renewals'          => __( 'Payments', 'invoicing' ),
-			'item'              => __( 'Items', 'invoicing' ),
-			'status'            => __( 'Status', 'invoicing' ),
-		),
-		$subscription
-	);
-
-	if ( $subscription->get_status() == 'pending' ) {
-		unset( $columns['start_date'], $columns['renewal_date'] );
-	}
-
-	$table_class = 'w-100 bg-white';
-
-	if ( ! is_admin() ) {
-		$table_class = 'table table-bordered';
-	}
-
-	?>
+    // Fetch the subscription groups.
+    $subscription_groups = getpaid_get_invoice_subscription_groups( $subscription->get_parent_payment_id() );
+
+    if ( empty( $subscription_groups ) ) {
+        return;
+    }
+
+    // Prepare table columns.
+    $columns = apply_filters(
+        'getpaid_subscription_related_subscriptions_columns',
+        array(
+            'subscription'      => __( 'Subscription', 'invoicing' ),
+            'start_date'        => __( 'Start Date', 'invoicing' ),
+            'renewal_date'      => __( 'Next Payment', 'invoicing' ),
+            'renewals'          => __( 'Payments', 'invoicing' ),
+            'item'              => __( 'Items', 'invoicing' ),
+            'status'            => __( 'Status', 'invoicing' ),
+        ),
+        $subscription
+    );
+
+    if ( $subscription->get_status() == 'pending' ) {
+        unset( $columns['start_date'], $columns['renewal_date'] );
+    }
+
+    $table_class = 'w-100 bg-white';
+
+    if ( ! is_admin() ) {
+        $table_class = 'table table-bordered';
+    }
+
+    ?>
 		<div class="m-0" style="overflow: auto;">
 
 			<table class="<?php echo $table_class; ?>">
@@ -790,14 +790,14 @@ 
 					<tr>
 						<?php
 
-							foreach ( $columns as $key => $label ) {
-								$key   = esc_attr( $key );
-								$label = esc_html( $label );
-								$class = 'text-left';
+                            foreach ( $columns as $key => $label ) {
+                                $key   = esc_attr( $key );
+                                $label = esc_html( $label );
+                                $class = 'text-left';
 
-								echo "<th class='related-subscription-field-$key bg-light p-2 $class color-dark font-weight-bold'>$label</th>";
-							}
-						?>
+                                echo "<th class='related-subscription-field-$key bg-light p-2 $class color-dark font-weight-bold'>$label</th>";
+                            }
+                        ?>
 					</tr>
 				</thead>
 
@@ -805,74 +805,74 @@ 
 
 					<?php
 
-						foreach( $subscription_groups as $subscription_group ) :
+                        foreach( $subscription_groups as $subscription_group ) :
 
-							// Do not list current subscription.
-							if ( $skip_current && (int) $subscription_group['subscription_id'] === $subscription->get_id() ) {
-								continue;
-							}
+                            // Do not list current subscription.
+                            if ( $skip_current && (int) $subscription_group['subscription_id'] === $subscription->get_id() ) {
+                                continue;
+                            }
 
-							// Ensure the subscription exists.
-							$_suscription = new WPInv_Subscription( $subscription_group['subscription_id'] );
+                            // Ensure the subscription exists.
+                            $_suscription = new WPInv_Subscription( $subscription_group['subscription_id'] );
 
-							if ( ! $_suscription->exists() ) {
-								continue;
-							}
+                            if ( ! $_suscription->exists() ) {
+                                continue;
+                            }
 
-							echo '<tr>';
+                            echo '<tr>';
 
-								foreach ( array_keys( $columns ) as $key ) {
+                                foreach ( array_keys( $columns ) as $key ) {
 
-									$class = 'text-left';
+                                    $class = 'text-left';
 
-									echo "<td class='p-2 $class'>";
+                                    echo "<td class='p-2 $class'>";
 
-										switch( $key ) {
+                                        switch( $key ) {
 
-											case 'status':
-												echo $_suscription->get_status_label_html();
-												break;
+                                            case 'status':
+                                                echo $_suscription->get_status_label_html();
+                                                break;
 
-											case 'item':
-												$markup = array_map( array( 'WPInv_Subscriptions_List_Table', 'generate_item_markup' ), array_keys( $subscription_group['items'] ) );
-												echo implode( ' | ', $markup );
-												break;
+                                            case 'item':
+                                                $markup = array_map( array( 'WPInv_Subscriptions_List_Table', 'generate_item_markup' ), array_keys( $subscription_group['items'] ) );
+                                                echo implode( ' | ', $markup );
+                                                break;
 
-											case 'renewals':
-												$max_bills = $_suscription->get_bill_times();
-												echo $_suscription->get_times_billed() . ' / ' . ( empty( $max_bills ) ? "&infin;" : $max_bills );
-												break;
+                                            case 'renewals':
+                                                $max_bills = $_suscription->get_bill_times();
+                                                echo $_suscription->get_times_billed() . ' / ' . ( empty( $max_bills ) ? "&infin;" : $max_bills );
+                                                break;
 
-											case 'renewal_date':
-												echo $_suscription->is_active() ? getpaid_format_date_value( $_suscription->get_expiration() ) : "&mdash;";
-												break;
+                                            case 'renewal_date':
+                                                echo $_suscription->is_active() ? getpaid_format_date_value( $_suscription->get_expiration() ) : "&mdash;";
+                                                break;
 
-											case 'start_date':
-												echo 'pending' == $_suscription->get_status() ? "&mdash;" : getpaid_format_date_value( $_suscription->get_date_created() );
-												break;
+                                            case 'start_date':
+                                                echo 'pending' == $_suscription->get_status() ? "&mdash;" : getpaid_format_date_value( $_suscription->get_date_created() );
+                                                break;
 
-											case 'subscription':
-												$url = is_admin() ? admin_url( 'admin.php?page=wpinv-subscriptions&id=' . absint( $_suscription->get_id() ) ) : $_suscription->get_view_url();
-												printf(
-													'%1$s#%2$s%3$s',
-													'<a href="' . esc_url( $url ) . '">',
-													'<strong>' . intval( $_suscription->get_id() ) . '</strong>',
-													'</a>'
-												);
+                                            case 'subscription':
+                                                $url = is_admin() ? admin_url( 'admin.php?page=wpinv-subscriptions&id=' . absint( $_suscription->get_id() ) ) : $_suscription->get_view_url();
+                                                printf(
+                                                    '%1$s#%2$s%3$s',
+                                                    '<a href="' . esc_url( $url ) . '">',
+                                                    '<strong>' . intval( $_suscription->get_id() ) . '</strong>',
+                                                    '</a>'
+                                                );
 
-												echo WPInv_Subscriptions_List_Table::column_amount( $_suscription );
-												break;
+                                                echo WPInv_Subscriptions_List_Table::column_amount( $_suscription );
+                                                break;
 
-										}
+                                        }
 
-									echo '</td>';
+                                    echo '</td>';
 
-								}
+                                }
 
-							echo '</tr>';
+                            echo '</tr>';
 
-						endforeach;
-					?>
+                        endforeach;
+                    ?>
 
 				</tbody>
 

includes/class-bp-getpaid-component.php

Indentation +129 added lines, -129 removed lines

@@ -17,45 +17,45 @@ 
  */
 class BP_GetPaid_Component extends BP_Component {
 
-	/**
-	 * Start the component setup process.
-	 *
-	 * @since 2.1.5
-	 */
-	public function __construct() {
-		parent::start(
-			'getpaid',
-			'GetPaid',
-			buddypress()->plugin_dir,
-			array(
-				'adminbar_myaccount_order' => 30,
-			)
-		);
-	}
+    /**
+     * Start the component setup process.
+     *
+     * @since 2.1.5
+     */
+    public function __construct() {
+        parent::start(
+            'getpaid',
+            'GetPaid',
+            buddypress()->plugin_dir,
+            array(
+                'adminbar_myaccount_order' => 30,
+            )
+        );
+    }
 
     /**
-	 * Set up component global variables.
-	 *
-	 * @since 2.1.5
-	 *
-	 *
-	 * @param array $args {
-	 *     All values are optional.
-	 *     @type string   $slug                  The component slug. Used to construct certain URLs, such as 'friends' in
-	 *                                           http://example.com/members/joe/friends/. Default: the value of $this->id.
-	 *     @type string   $root_slug             The component root slug. Note that this value is generally unused if the
-	 *                                           component has a root directory (the slug will be overridden by the
-	 *                                           post_name of the directory page). Default: the slug of the directory page
-	 *                                           if one is found, otherwise an empty string.
-	 *     @type bool     $has_directory         Set to true if the component requires an associated WordPress page.
-	 *     @type callable $notification_callback Optional. The callable function that formats the component's notifications.
-	 *     @type string   $search_term           Optional. The placeholder text in the component directory search box. Eg,
-	 *                                           'Search Groups...'.
-	 *     @type array    $global_tables         Optional. An array of database table names.
-	 *     @type array    $meta_tables           Optional. An array of metadata table names.
-	 * }
-	 */
-	public function setup_globals( $args = array() ) {
+     * Set up component global variables.
+     *
+     * @since 2.1.5
+     *
+     *
+     * @param array $args {
+     *     All values are optional.
+     *     @type string   $slug                  The component slug. Used to construct certain URLs, such as 'friends' in
+     *                                           http://example.com/members/joe/friends/. Default: the value of $this->id.
+     *     @type string   $root_slug             The component root slug. Note that this value is generally unused if the
+     *                                           component has a root directory (the slug will be overridden by the
+     *                                           post_name of the directory page). Default: the slug of the directory page
+     *                                           if one is found, otherwise an empty string.
+     *     @type bool     $has_directory         Set to true if the component requires an associated WordPress page.
+     *     @type callable $notification_callback Optional. The callable function that formats the component's notifications.
+     *     @type string   $search_term           Optional. The placeholder text in the component directory search box. Eg,
+     *                                           'Search Groups...'.
+     *     @type array    $global_tables         Optional. An array of database table names.
+     *     @type array    $meta_tables           Optional. An array of metadata table names.
+     * }
+     */
+    public function setup_globals( $args = array() ) {
         parent::setup_globals(
             array(
                 'id'            => 'getpaid',
@@ -64,21 +64,21 @@ 
                 'has_directory' => false
             )
         );
-	}
-
-	/**
-	 * Set up component navigation.
-	 *
-	 * @since 2.1.5
-	 *
-	 * @see BP_Component::setup_nav() for a description of arguments.
-	 *
-	 * @param array $main_nav Optional. See BP_Component::setup_nav() for description.
-	 * @param array $sub_nav  Optional. See BP_Component::setup_nav() for description.
-	 */
-	public function setup_nav( $main_nav = array(), $sub_nav = array() ) {
-
-		// Abort if the integration is inactive.
+    }
+
+    /**
+     * Set up component navigation.
+     *
+     * @since 2.1.5
+     *
+     * @see BP_Component::setup_nav() for a description of arguments.
+     *
+     * @param array $main_nav Optional. See BP_Component::setup_nav() for description.
+     * @param array $sub_nav  Optional. See BP_Component::setup_nav() for description.
+     */
+    public function setup_nav( $main_nav = array(), $sub_nav = array() ) {
+
+        // Abort if the integration is inactive.
         if ( ! getpaid_is_buddypress_integration_active() || ! is_user_logged_in() ) {
             return;
         }
@@ -88,25 +88,25 @@ 
             return;
         }
 
-		// Determine user to use.
-		$user_domain   = bp_loggedin_user_domain();
-		$slug          = 'getpaid';
-		$payments_link = trailingslashit( $user_domain . $slug );
-
-		// Add 'Payments' to the main navigation.
-		$main_nav = array(
-			'name'                => _x( 'Billing', 'BuddyPress profile payments screen nav', 'invoicing' ),
-			'slug'                => $slug,
-			'position'            => apply_filters( 'wpinv_bp_nav_position', wpinv_get_option( 'wpinv_menu_position', 91 ), $slug ),
-			'screen_function'     => array( $this, 'display_current_tab' ),
-			'default_subnav_slug' => apply_filters( 'getpaid_default_tab', 'gp-edit-address' ),
+        // Determine user to use.
+        $user_domain   = bp_loggedin_user_domain();
+        $slug          = 'getpaid';
+        $payments_link = trailingslashit( $user_domain . $slug );
+
+        // Add 'Payments' to the main navigation.
+        $main_nav = array(
+            'name'                => _x( 'Billing', 'BuddyPress profile payments screen nav', 'invoicing' ),
+            'slug'                => $slug,
+            'position'            => apply_filters( 'wpinv_bp_nav_position', wpinv_get_option( 'wpinv_menu_position', 91 ), $slug ),
+            'screen_function'     => array( $this, 'display_current_tab' ),
+            'default_subnav_slug' => apply_filters( 'getpaid_default_tab', 'gp-edit-address' ),
             'show_for_displayed_user' => false,
-			'item_css_id'         => $this->id,
-			'parent_url'          => $user_domain,
-			'parent_slug'         => buddypress()->slug,
-		);
+            'item_css_id'         => $this->id,
+            'parent_url'          => $user_domain,
+            'parent_slug'         => buddypress()->slug,
+        );
 
-		// Add the subnav items to the payments nav item if we are using a theme that supports this.
+        // Add the subnav items to the payments nav item if we are using a theme that supports this.
         foreach ( getpaid_get_user_content_tabs() as $_slug => $tab ) {
 
             $sub_nav[] = array(
@@ -116,8 +116,8 @@ 
                 'parent_slug'     => $slug,
                 'position' => 10,
                 'screen_function'        => function() use ( $tab ) {
-					$GLOBALS['getpaid_bp_current_tab'] = $tab;
-					$this->display_current_tab();
+                    $GLOBALS['getpaid_bp_current_tab'] = $tab;
+                    $this->display_current_tab();
                 },
                 'show_for_displayed_user' => false,
                 'item_css_id'             => "getpaid-bp-$_slug",
@@ -125,27 +125,27 @@ 
 
         }
 
-		parent::setup_nav( $main_nav, $sub_nav );
-	}
-
-	/**
-	 * Set up the component entries in the WordPress Admin Bar.
-	 *
-	 * @since 2.1.5
-	 *
-	 * @see BP_Component::setup_nav() for a description of the $wp_admin_nav
-	 *      parameter array.
-	 *
-	 * @param array $wp_admin_nav See BP_Component::setup_admin_bar() for a
-	 *                            description.
-	 */
-	public function setup_admin_bar( $wp_admin_nav = array() ) {
-
-		// Menus for logged in user.
-		if ( is_user_logged_in() ) {
+        parent::setup_nav( $main_nav, $sub_nav );
+    }
 
-			// Setup the logged in user variables.
-			$payments_link = trailingslashit( bp_loggedin_user_domain() . 'getpaid/' );
+    /**
+     * Set up the component entries in the WordPress Admin Bar.
+     *
+     * @since 2.1.5
+     *
+     * @see BP_Component::setup_nav() for a description of the $wp_admin_nav
+     *      parameter array.
+     *
+     * @param array $wp_admin_nav See BP_Component::setup_admin_bar() for a
+     *                            description.
+     */
+    public function setup_admin_bar( $wp_admin_nav = array() ) {
+
+        // Menus for logged in user.
+        if ( is_user_logged_in() ) {
+
+            // Setup the logged in user variables.
+            $payments_link = trailingslashit( bp_loggedin_user_domain() . 'getpaid/' );
 
             // Add the "Payments" sub menu.
             $wp_admin_nav[] = array(
@@ -167,50 +167,50 @@ 
 
             }
 
-		}
-
-		parent::setup_admin_bar( $wp_admin_nav );
-	}
+        }
 
-	/**
-	 * Retrieves the current tab.
-	 *
-	 * @since 2.1.5
-	 */
-	public function get_current_tab() {
-		global $getpaid_bp_current_tab;
+        parent::setup_admin_bar( $wp_admin_nav );
+    }
 
-		if ( empty( $getpaid_bp_current_tab ) ) {
-			return array(
-				'label'     => __( 'Invoices', 'invoicing' ),
-				'content'   => '[wpinv_history]',
-				'icon'      => 'fas fa-file-invoice',
-			);
-		}
+    /**
+     * Retrieves the current tab.
+     *
+     * @since 2.1.5
+     */
+    public function get_current_tab() {
+        global $getpaid_bp_current_tab;
+
+        if ( empty( $getpaid_bp_current_tab ) ) {
+            return array(
+                'label'     => __( 'Invoices', 'invoicing' ),
+                'content'   => '[wpinv_history]',
+                'icon'      => 'fas fa-file-invoice',
+            );
+        }
 
-		return $getpaid_bp_current_tab;
-	}
+        return $getpaid_bp_current_tab;
+    }
 
-	/**
-	 * Displays the current tab.
-	 *
-	 * @since 2.1.5
-	 */
-	public function display_current_tab() {
+    /**
+     * Displays the current tab.
+     *
+     * @since 2.1.5
+     */
+    public function display_current_tab() {
 
-		add_action( 'bp_template_content', array( $this, 'handle_display_current_tab' ) );
-		$template = apply_filters( 'bp_core_template_plugin', 'members/single/plugins' );
+        add_action( 'bp_template_content', array( $this, 'handle_display_current_tab' ) );
+        $template = apply_filters( 'bp_core_template_plugin', 'members/single/plugins' );
 
         bp_core_load_template( apply_filters( 'wpinv_bp_core_template_plugin', $template ) );
-	}
-
-	/**
-	 * Handles the actual display of the current tab.
-	 *
-	 * @since 2.1.5
-	 */
-	public function handle_display_current_tab() {
-		echo getpaid_prepare_user_content_tab( $this->get_current_tab() );
-	}
+    }
+
+    /**
+     * Handles the actual display of the current tab.
+     *
+     * @since 2.1.5
+     */
+    public function handle_display_current_tab() {
+        echo getpaid_prepare_user_content_tab( $this->get_current_tab() );
+    }
 
 }

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', '2.5.12' );
+    define( 'WPINV_VERSION', '2.5.12' );
 }
 
 // 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'];
 }
 
 /**

includes/payments/class-getpaid-payment-form-submission-discount.php

Indentation +159 added lines, -159 removed lines

@@ -12,167 +12,167 @@
  */
 class GetPaid_Payment_Form_Submission_Discount {
 
-	/**
-	 * Submission discounts.
-	 * @var array
-	 */
-	public $discounts = array();
+    /**
+     * Submission discounts.
+     * @var array
+     */
+    public $discounts = array();
+
+    /**
+     * Class constructor
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     * @param float                           $initial_total
+     * @param float                           $recurring_total
+     */
+    public function __construct( $submission, $initial_total, $recurring_total ) {
+
+        // Process any existing invoice discounts.
+        if ( $submission->has_invoice() ) {
+            $this->discounts = $submission->get_invoice()->get_discounts();
+        }
+
+        // Do we have a discount?
+        $discount = $submission->get_field( 'discount' );
+
+        if ( empty( $discount ) ) {
+
+            if ( isset( $this->discounts['discount_code'] ) ) {
+                unset( $this->discounts['discount_code'] );
+            }
+
+            return;
+        }
+
+        // Processes the discount code.
+        $amount = max( $initial_total, $recurring_total );
+        $this->process_discount( $submission, $discount, $amount );
+
+    }
 
     /**
-	 * Class constructor
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 * @param float                           $initial_total
-	 * @param float                           $recurring_total
-	 */
-	public function __construct( $submission, $initial_total, $recurring_total ) {
-
-		// Process any existing invoice discounts.
-		if ( $submission->has_invoice() ) {
-			$this->discounts = $submission->get_invoice()->get_discounts();
-		}
-
-		// Do we have a discount?
-		$discount = $submission->get_field( 'discount' );
-
-		if ( empty( $discount ) ) {
-
-			if ( isset( $this->discounts['discount_code'] ) ) {
-				unset( $this->discounts['discount_code'] );
-			}
-
-			return;
-		}
-
-		// Processes the discount code.
-		$amount = max( $initial_total, $recurring_total );
-		$this->process_discount( $submission, $discount, $amount );
-
-	}
-
-	/**
-	 * Processes a submission discount.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 * @param string                          $discount
-	 * @param float                           $amount
-	 */
-	public function process_discount( $submission, $discount, $amount ) {
-
-		// Fetch the discount.
-		$discount = new WPInv_Discount( $discount );
-
-		// Ensure it is active.
+     * Processes a submission discount.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     * @param string                          $discount
+     * @param float                           $amount
+     */
+    public function process_discount( $submission, $discount, $amount ) {
+
+        // Fetch the discount.
+        $discount = new WPInv_Discount( $discount );
+
+        // Ensure it is active.
         if ( ! $this->is_discount_active( $discount ) ) {
-			throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', __( 'Invalid or expired discount code', 'invoicing' ) );
-		}
-
-		// Required items.
-		if ( ! $discount->is_required_items_met( array_keys( $submission->get_items() ) ) ) {
-			throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', __( 'You are not allowed to use this discount code.', 'invoicing' ) );
-		}
-
-		// Exceeded limit.
-		if ( $discount->has_exceeded_limit() ) {
-			throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', __( 'This discount code has been used up', 'invoicing' ) );
-		}
-
-		// Validate usages.
-		$this->validate_single_use_discount( $submission, $discount );
-
-		// Validate amount.
-		$this->validate_discount_amount( $submission, $discount, $amount );
-
-		// Save the discount.
-		$this->discounts['discount_code'] = $this->calculate_discount( $submission, $discount );
-	}
-
-	/**
-	 * Validates a single use discount.
-	 *
-	 * @param WPInv_Discount                  $discount
-	 * @return bool
-	 */
-	public function is_discount_active(  $discount ) {
-		return $discount->exists() && $discount->is_active() && $discount->has_started() && ! $discount->is_expired();
-	}
-
-	/**
-	 * Returns a user's id or email.
-	 *
-	 * @param string $email
-	 * @return int|string|false
-	 */
-	public function get_user_id_or_email( $email ) {
-
-		if ( is_user_logged_in() ) {
-			return get_current_user_id();
-		}
-
-		return empty( $email ) ? false : sanitize_email( $email );
-	}
-
-	/**
-	 * Validates a single use discount.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 * @param WPInv_Discount                  $discount
-	 */
-	public function validate_single_use_discount( $submission, $discount ) {
-
-		// Abort if it is not a single use discount.
-		if ( ! $discount->is_single_use() ) {
-			return;
-		}
-
-		// Ensure there is a valid billing email.
-		$user = $this->get_user_id_or_email( $submission->get_billing_email() );
-
-		if ( empty( $user ) ) {
-			throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', __( 'You need to either log in or enter your billing email before applying this discount', 'invoicing' ) );
-		}
-
-		// Has the user used this discount code before?
-		if ( ! $discount->is_valid_for_user( $user ) ) {
-			throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', __( 'You have already used this discount', 'invoicing' ) );
-		}
-
-	}
-
-	/**
-	 * Validates the discount's amount.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 * @param WPInv_Discount         $discount
-	 * @param float                  $amount
-	 */
-	public function validate_discount_amount( $submission, $discount, $amount ) {
-
-		// Validate minimum amount.
-		if ( ! $discount->is_minimum_amount_met( $amount ) ) {
-			$min = wpinv_price( $discount->get_minimum_total(), $submission->get_currency() );
-			throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', sprintf( __( 'The minimum total for using this discount is %s', 'invoicing' ), $min ) );
-		}
-
-		// Validate the maximum amount.
-		if ( ! $discount->is_maximum_amount_met( $amount ) ) {
-			$max = wpinv_price( $discount->get_maximum_total(), $submission->get_currency() );
-			throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', sprintf( __( 'The maximum total for using this discount is %s', 'invoicing' ), $max ) );
-		}
-
-	}
-
-	/**
-	 * Calculates the discount code's amount.
-	 *
-	 * Ensure that the discount exists and has been validated before calling this method.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 * @param WPInv_Discount                  $discount
-	 * @return array
-	 */
-	public function calculate_discount( $submission, $discount ) {
-		return getpaid_calculate_invoice_discount( $submission, $discount );
-	}
+            throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', __( 'Invalid or expired discount code', 'invoicing' ) );
+        }
+
+        // Required items.
+        if ( ! $discount->is_required_items_met( array_keys( $submission->get_items() ) ) ) {
+            throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', __( 'You are not allowed to use this discount code.', 'invoicing' ) );
+        }
+
+        // Exceeded limit.
+        if ( $discount->has_exceeded_limit() ) {
+            throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', __( 'This discount code has been used up', 'invoicing' ) );
+        }
+
+        // Validate usages.
+        $this->validate_single_use_discount( $submission, $discount );
+
+        // Validate amount.
+        $this->validate_discount_amount( $submission, $discount, $amount );
+
+        // Save the discount.
+        $this->discounts['discount_code'] = $this->calculate_discount( $submission, $discount );
+    }
+
+    /**
+     * Validates a single use discount.
+     *
+     * @param WPInv_Discount                  $discount
+     * @return bool
+     */
+    public function is_discount_active(  $discount ) {
+        return $discount->exists() && $discount->is_active() && $discount->has_started() && ! $discount->is_expired();
+    }
+
+    /**
+     * Returns a user's id or email.
+     *
+     * @param string $email
+     * @return int|string|false
+     */
+    public function get_user_id_or_email( $email ) {
+
+        if ( is_user_logged_in() ) {
+            return get_current_user_id();
+        }
+
+        return empty( $email ) ? false : sanitize_email( $email );
+    }
+
+    /**
+     * Validates a single use discount.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     * @param WPInv_Discount                  $discount
+     */
+    public function validate_single_use_discount( $submission, $discount ) {
+
+        // Abort if it is not a single use discount.
+        if ( ! $discount->is_single_use() ) {
+            return;
+        }
+
+        // Ensure there is a valid billing email.
+        $user = $this->get_user_id_or_email( $submission->get_billing_email() );
+
+        if ( empty( $user ) ) {
+            throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', __( 'You need to either log in or enter your billing email before applying this discount', 'invoicing' ) );
+        }
+
+        // Has the user used this discount code before?
+        if ( ! $discount->is_valid_for_user( $user ) ) {
+            throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', __( 'You have already used this discount', 'invoicing' ) );
+        }
+
+    }
+
+    /**
+     * Validates the discount's amount.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     * @param WPInv_Discount         $discount
+     * @param float                  $amount
+     */
+    public function validate_discount_amount( $submission, $discount, $amount ) {
+
+        // Validate minimum amount.
+        if ( ! $discount->is_minimum_amount_met( $amount ) ) {
+            $min = wpinv_price( $discount->get_minimum_total(), $submission->get_currency() );
+            throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', sprintf( __( 'The minimum total for using this discount is %s', 'invoicing' ), $min ) );
+        }
+
+        // Validate the maximum amount.
+        if ( ! $discount->is_maximum_amount_met( $amount ) ) {
+            $max = wpinv_price( $discount->get_maximum_total(), $submission->get_currency() );
+            throw new GetPaid_Payment_Exception( '.getpaid-discount-field .getpaid-custom-payment-form-errors', sprintf( __( 'The maximum total for using this discount is %s', 'invoicing' ), $max ) );
+        }
+
+    }
+
+    /**
+     * Calculates the discount code's amount.
+     *
+     * Ensure that the discount exists and has been validated before calling this method.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     * @param WPInv_Discount                  $discount
+     * @return array
+     */
+    public function calculate_discount( $submission, $discount ) {
+        return getpaid_calculate_invoice_discount( $submission, $discount );
+    }
 
 }

includes/admin/meta-boxes/class-getpaid-meta-box-discount-details.php

Indentation +26 added lines, -26 removed lines

@@ -8,7 +8,7 @@ 
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
-	exit; // Exit if accessed directly
+    exit; // Exit if accessed directly
 }
 
 /**
@@ -17,10 +17,10 @@ 
 class GetPaid_Meta_Box_Discount_Details {
 
     /**
-	 * Output the metabox.
-	 *
-	 * @param WP_Post $post
-	 */
+     * Output the metabox.
+     *
+     * @param WP_Post $post
+     */
     public static function output( $post ) {
 
         // Prepare the discount.
@@ -396,35 +396,35 @@ 
     }
 
     /**
-	 * 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 discount.
         $discount = new WPInv_Discount( $post_id );
 
         // Load new data.
         $discount->set_props(
-			array(
-				'code'                 => isset( $_POST['wpinv_discount_code'] ) ? wpinv_clean( $_POST['wpinv_discount_code'] ) : null,
-				'amount'               => isset( $_POST['wpinv_discount_amount'] ) ? floatval( $_POST['wpinv_discount_amount'] ) : null,
-				'start'                => isset( $_POST['wpinv_discount_start'] ) ? wpinv_clean( $_POST['wpinv_discount_start'] ) : null,
-				'expiration'           => isset( $_POST['wpinv_discount_expiration'] ) ? wpinv_clean( $_POST['wpinv_discount_expiration'] ) : null,
-				'is_single_use'        => isset( $_POST['wpinv_discount_single_use'] ),
+            array(
+                'code'                 => isset( $_POST['wpinv_discount_code'] ) ? wpinv_clean( $_POST['wpinv_discount_code'] ) : null,
+                'amount'               => isset( $_POST['wpinv_discount_amount'] ) ? floatval( $_POST['wpinv_discount_amount'] ) : null,
+                'start'                => isset( $_POST['wpinv_discount_start'] ) ? wpinv_clean( $_POST['wpinv_discount_start'] ) : null,
+                'expiration'           => isset( $_POST['wpinv_discount_expiration'] ) ? wpinv_clean( $_POST['wpinv_discount_expiration'] ) : null,
+                'is_single_use'        => isset( $_POST['wpinv_discount_single_use'] ),
                 'type'                 => isset( $_POST['wpinv_discount_type'] ) ? wpinv_clean( $_POST['wpinv_discount_type'] ) : null,
-				'is_recurring'         => isset( $_POST['wpinv_discount_recurring'] ),
-				'items'                => isset( $_POST['wpinv_discount_items'] ) ? wpinv_clean( $_POST['wpinv_discount_items'] ) : array(),
-				'excluded_items'       => isset( $_POST['wpinv_discount_excluded_items'] ) ? wpinv_clean( $_POST['wpinv_discount_excluded_items'] ) : array(),
+                'is_recurring'         => isset( $_POST['wpinv_discount_recurring'] ),
+                'items'                => isset( $_POST['wpinv_discount_items'] ) ? wpinv_clean( $_POST['wpinv_discount_items'] ) : array(),
+                'excluded_items'       => isset( $_POST['wpinv_discount_excluded_items'] ) ? wpinv_clean( $_POST['wpinv_discount_excluded_items'] ) : array(),
                 'required_items'       => isset( $_POST['wpinv_discount_required_items'] ) ? wpinv_clean( $_POST['wpinv_discount_required_items'] ) : array(),
-				'max_uses'             => isset( $_POST['wpinv_discount_max_uses'] ) ? intval( $_POST['wpinv_discount_max_uses'] ) : null,
-				'min_total'            => isset( $_POST['wpinv_discount_min_total'] ) ? floatval( $_POST['wpinv_discount_min_total'] ) : null,
-				'max_total'            => isset( $_POST['wpinv_discount_max_total'] ) ? floatval( $_POST['wpinv_discount_max_total'] ) : null,
-			)
+                'max_uses'             => isset( $_POST['wpinv_discount_max_uses'] ) ? intval( $_POST['wpinv_discount_max_uses'] ) : null,
+                'min_total'            => isset( $_POST['wpinv_discount_min_total'] ) ? floatval( $_POST['wpinv_discount_min_total'] ) : null,
+                'max_total'            => isset( $_POST['wpinv_discount_max_total'] ) ? floatval( $_POST['wpinv_discount_max_total'] ) : null,
+            )
         );
 
-		$discount->save();
-		do_action( 'getpaid_discount_metabox_save', $post_id, $discount );
-	}
+        $discount->save();
+        do_action( 'getpaid_discount_metabox_save', $post_id, $discount );
+    }
 }

includes/data/discount-schema.php

Indentation +172 added lines, -172 removed lines

@@ -13,177 +13,177 @@
 
 return array(
 
-	'id'              => array(
-		'description' => __( 'Unique identifier for the discount.', 'invoicing' ),
-		'type'        => 'integer',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'status'          => array(
-		'description' => __( 'A named status for the discount.', 'invoicing' ),
-		'type'        => 'string',
-		'enum'        => array( 'publish', 'pending', 'draft', 'expired' ),
-		'default'     => 'draft',
-		'context'     => array( 'view', 'edit', 'embed' ),
-	),
-
-	'version'         => array(
-		'description' => __( 'Plugin version when the discount was created.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'date_created'    => array(
-		'description' => __( "The date the discount was created, in the site's timezone.", 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-	),
-
-	'date_created_gmt'    => array(
-		'description' => __( 'The GMT date the discount was created.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'date_modified'   => array(
-		'description' => __( "The date the discount was last modified, in the site's timezone.", 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'date_modified_gmt'    => array(
-		'description' => __( 'The GMT date the discount was last modified.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'name'			  => array(
-		'description' => __( 'The discount name.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-	),
-
-	'description'     => array(
-		'description' => __( 'A description of what the discount is all about.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-	),
-
-	'code'            => array(
-		'description' => __( 'The discount code.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'required'	  => true,
-	),
-
-	'type'            => array(
-		'description' => __( 'The type of discount.', 'invoicing' ),
-		'type'        => 'string',
-		'enum'        => array_keys( wpinv_get_discount_types() ),
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'default'	  => 'percent',
-	),
-
-	'amount'        => array(
-		'description' => __( 'The discount value.', 'invoicing' ),
-		'type'        => 'number',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'required'	  => true,
-	),
-
-	'formatted_amount'        => array(
-		'description' => __( 'The formatted discount value.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'uses'            => array(
-		'description' => __( 'The number of times the discount has been used.', 'invoicing' ),
-		'type'        => 'integer',
-		'context'     => array( 'view', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'max_uses'        => array(
-		'description' => __( 'The maximum number of times the discount can be used.', 'invoicing' ),
-		'type'        => 'integer',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'usage'           => array(
-		'description' => __( "The discount's usage, i.e uses / max uses.", 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'is_single_use'   => array(
-		'description' => __( 'Whether or not the discount can only be used once per user.', 'invoicing' ),
-		'type'        => 'boolean',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'is_recurring'   => array(
-		'description' => __( 'Whether or not the discount applies to the initial payment only or all recurring payments.', 'invoicing' ),
-		'type'        => 'boolean',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'start_date'      => array(
-		'description' => __( 'The start date for the discount in the format of yyyy-mm-dd hh:mm:ss. If provided, the discount can only be used after or on this date.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'end_date'        => array(
-		'description' => __( 'The expiration date for the discount.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'allowed_items'   => array(
-		'description' => __( 'Items which are allowed to use this discount. Leave blank to enable for all items.', 'invoicing' ),
-		'type'        => 'array',
-		'context'     => array( 'view', 'edit' ),
-		'items'       => array(
-			'type'    => 'integer'
-		)
-	),
-
-	'excluded_items'  => array(
-		'description' => __( 'Items which are NOT allowed to use this discount.', 'invoicing' ),
-		'type'        => 'array',
-		'context'     => array( 'view', 'edit' ),
-		'items'       => array(
-			'type'    => 'integer'
-		)
-	),
-
-	'required_items'  => array(
-		'description' => __( 'Items which are required to be in the cart before using this discount.', 'invoicing' ),
-		'type'        => 'array',
-		'context'     => array( 'view', 'edit' ),
-		'items'       => array(
-			'type'    => 'integer'
-		)
-	),
-
-	'minimum_total'   => array(
-		'description' => __( 'The minimum total needed to use this invoice.', 'invoicing' ),
-		'type'        => 'number',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'maximum_total'   => array(
-		'description' => __( 'The maximum total needed to use this invoice.', 'invoicing' ),
-		'type'        => 'number',
-		'context'     => array( 'view', 'edit' ),
-	),
+    'id'              => array(
+        'description' => __( 'Unique identifier for the discount.', 'invoicing' ),
+        'type'        => 'integer',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'status'          => array(
+        'description' => __( 'A named status for the discount.', 'invoicing' ),
+        'type'        => 'string',
+        'enum'        => array( 'publish', 'pending', 'draft', 'expired' ),
+        'default'     => 'draft',
+        'context'     => array( 'view', 'edit', 'embed' ),
+    ),
+
+    'version'         => array(
+        'description' => __( 'Plugin version when the discount was created.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'date_created'    => array(
+        'description' => __( "The date the discount was created, in the site's timezone.", 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+    ),
+
+    'date_created_gmt'    => array(
+        'description' => __( 'The GMT date the discount was created.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'date_modified'   => array(
+        'description' => __( "The date the discount was last modified, in the site's timezone.", 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'date_modified_gmt'    => array(
+        'description' => __( 'The GMT date the discount was last modified.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'name'			  => array(
+        'description' => __( 'The discount name.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+    ),
+
+    'description'     => array(
+        'description' => __( 'A description of what the discount is all about.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+    ),
+
+    'code'            => array(
+        'description' => __( 'The discount code.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'required'	  => true,
+    ),
+
+    'type'            => array(
+        'description' => __( 'The type of discount.', 'invoicing' ),
+        'type'        => 'string',
+        'enum'        => array_keys( wpinv_get_discount_types() ),
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'default'	  => 'percent',
+    ),
+
+    'amount'        => array(
+        'description' => __( 'The discount value.', 'invoicing' ),
+        'type'        => 'number',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'required'	  => true,
+    ),
+
+    'formatted_amount'        => array(
+        'description' => __( 'The formatted discount value.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'uses'            => array(
+        'description' => __( 'The number of times the discount has been used.', 'invoicing' ),
+        'type'        => 'integer',
+        'context'     => array( 'view', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'max_uses'        => array(
+        'description' => __( 'The maximum number of times the discount can be used.', 'invoicing' ),
+        'type'        => 'integer',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'usage'           => array(
+        'description' => __( "The discount's usage, i.e uses / max uses.", 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'is_single_use'   => array(
+        'description' => __( 'Whether or not the discount can only be used once per user.', 'invoicing' ),
+        'type'        => 'boolean',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'is_recurring'   => array(
+        'description' => __( 'Whether or not the discount applies to the initial payment only or all recurring payments.', 'invoicing' ),
+        'type'        => 'boolean',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'start_date'      => array(
+        'description' => __( 'The start date for the discount in the format of yyyy-mm-dd hh:mm:ss. If provided, the discount can only be used after or on this date.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'end_date'        => array(
+        'description' => __( 'The expiration date for the discount.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'allowed_items'   => array(
+        'description' => __( 'Items which are allowed to use this discount. Leave blank to enable for all items.', 'invoicing' ),
+        'type'        => 'array',
+        'context'     => array( 'view', 'edit' ),
+        'items'       => array(
+            'type'    => 'integer'
+        )
+    ),
+
+    'excluded_items'  => array(
+        'description' => __( 'Items which are NOT allowed to use this discount.', 'invoicing' ),
+        'type'        => 'array',
+        'context'     => array( 'view', 'edit' ),
+        'items'       => array(
+            'type'    => 'integer'
+        )
+    ),
+
+    'required_items'  => array(
+        'description' => __( 'Items which are required to be in the cart before using this discount.', 'invoicing' ),
+        'type'        => 'array',
+        'context'     => array( 'view', 'edit' ),
+        'items'       => array(
+            'type'    => 'integer'
+        )
+    ),
+
+    'minimum_total'   => array(
+        'description' => __( 'The minimum total needed to use this invoice.', 'invoicing' ),
+        'type'        => 'number',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'maximum_total'   => array(
+        'description' => __( 'The maximum total needed to use this invoice.', 'invoicing' ),
+        'type'        => 'number',
+        'context'     => array( 'view', 'edit' ),
+    ),
 
 );

includes/class-wpinv-discount.php

Indentation +1349 added lines, -1349 removed lines

@@ -15,30 +15,30 @@ 
  */
 class WPInv_Discount extends GetPaid_Data  {
 
-	/**
-	 * Which data store to load.
-	 *
-	 * @var string
-	 */
+    /**
+     * Which data store to load.
+     *
+     * @var string
+     */
     protected $data_store_name = 'discount';
 
     /**
-	 * This is the name of this object type.
-	 *
-	 * @var string
-	 */
-	protected $object_type = 'discount';
-
-	/**
-	 * Discount Data array. This is the core item data exposed in APIs.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $data = array(
-		'status'               => 'draft',
-		'version'              => '',
-		'date_created'         => null,
+     * This is the name of this object type.
+     *
+     * @var string
+     */
+    protected $object_type = 'discount';
+
+    /**
+     * Discount Data array. This is the core item data exposed in APIs.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $data = array(
+        'status'               => 'draft',
+        'version'              => '',
+        'date_created'         => null,
         'date_modified'        => null,
         'name'                 => 'no-name',
         'description'          => '',
@@ -49,7 +49,7 @@ 
         'start'                => null,
         'items'                => array(),
         'excluded_items'       => array(),
-		'required_items'       => array(),
+        'required_items'       => array(),
         'uses' 				   => 0,
         'max_uses'             => null,
         'is_recurring'         => null,
@@ -59,144 +59,144 @@ 
         'amount'               => null,
     );
 
-	/**
-	 * Stores meta in cache for future reads.
-	 *
-	 * A group must be set to to enable caching.
-	 *
-	 * @var string
-	 */
-	protected $cache_group = 'getpaid_discounts';
+    /**
+     * Stores meta in cache for future reads.
+     *
+     * A group must be set to to enable caching.
+     *
+     * @var string
+     */
+    protected $cache_group = 'getpaid_discounts';
 
     /**
      * Stores a reference to the original WP_Post object
      *
      * @var WP_Post
      */
-	protected $post = null;
-
-	/**
-	 * Get the discount if ID is passed, otherwise the discount is new and empty.
-	 *
-	 * @param int|array|string|WPInv_Discount|WP_Post $discount discount data, object, ID or code.
-	 */
-	public function __construct( $discount = 0 ) {
-		parent::__construct( $discount );
-
-		if ( is_numeric( $discount ) && 'wpi_discount' === get_post_type( $discount ) ) {
-			$this->set_id( $discount );
-		} elseif ( $discount instanceof self ) {
-			$this->set_id( $discount->get_id() );
-		} elseif ( ! empty( $discount->ID ) ) {
-			$this->set_id( $discount->ID );
-		} elseif ( is_array( $discount ) ) {
-			$this->set_props( $discount );
-
-			if ( isset( $discount['ID'] ) ) {
-				$this->set_id( $discount['ID'] );
-			}
-
-		} elseif ( is_scalar( $discount ) && $discount = self::get_discount_id_by_code( $discount ) ) {
-			$this->set_id( $discount );
-		} else {
-			$this->set_object_read( true );
-		}
+    protected $post = null;
+
+    /**
+     * Get the discount if ID is passed, otherwise the discount is new and empty.
+     *
+     * @param int|array|string|WPInv_Discount|WP_Post $discount discount data, object, ID or code.
+     */
+    public function __construct( $discount = 0 ) {
+        parent::__construct( $discount );
+
+        if ( is_numeric( $discount ) && 'wpi_discount' === get_post_type( $discount ) ) {
+            $this->set_id( $discount );
+        } elseif ( $discount instanceof self ) {
+            $this->set_id( $discount->get_id() );
+        } elseif ( ! empty( $discount->ID ) ) {
+            $this->set_id( $discount->ID );
+        } elseif ( is_array( $discount ) ) {
+            $this->set_props( $discount );
+
+            if ( isset( $discount['ID'] ) ) {
+                $this->set_id( $discount['ID'] );
+            }
+
+        } elseif ( is_scalar( $discount ) && $discount = self::get_discount_id_by_code( $discount ) ) {
+            $this->set_id( $discount );
+        } else {
+            $this->set_object_read( true );
+        }
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+        $this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
 
-		if ( $this->get_id() > 0 ) {
+        if ( $this->get_id() > 0 ) {
             $this->post = get_post( $this->get_id() );
             $this->ID   = $this->get_id();
-			$this->data_store->read( $this );
+            $this->data_store->read( $this );
+        }
+
+    }
+
+    /**
+     * Fetch a discount from the db/cache
+     *
+     *
+     * @static
+     * @param string $field The field to query against: 'ID', 'discount_code'
+     * @param string|int $value The field value
+     * @deprecated
+     * @since 1.0.15
+     * @return array|bool array of discount details on success. False otherwise.
+     */
+    public static function get_data_by( $field, $value ) {
+
+        if ( 'id' == strtolower( $field ) ) {
+            // Make sure the value is numeric to avoid casting objects, for example,
+            // to int 1.
+            if ( ! is_numeric( $value ) )
+                return false;
+            $value = intval( $value );
+            if ( $value < 1 )
+                return false;
+        }
+
+        if ( ! $value || ! is_string( $field ) ) {
+            return false;
+        }
+
+        $field = trim( $field );
+
+        // prepare query args
+        switch ( strtolower( $field ) ) {
+            case 'id':
+                $discount_id = $value;
+                $args		 = array( 'include' => array( $value ) );
+                break;
+            case 'discount_code':
+            case 'code':
+                $value       = trim( $value );
+                $discount_id = wp_cache_get( $value, 'WPInv_Discount_Codes' );
+                $args		 = array( 'meta_key' => '_wpi_discount_code', 'meta_value' => $value );
+                break;
+            case 'name':
+                $discount_id = 0;
+                $args		 = array( 'name' => trim( $value ) );
+                break;
+            default:
+                $args		 = apply_filters( "wpinv_discount_get_data_by_{$field}_args", null, $value );
+                if ( ! is_array( $args ) ) {
+                    return apply_filters( "wpinv_discount_get_data_by_$field", false, $value );
+                }
+
+        }
+
+        // Check if there is a cached value.
+        if ( ! empty( $discount_id ) && $discount = wp_cache_get( (int) $discount_id, 'WPInv_Discounts' ) ) {
+            return $discount;
+        }
+
+        $args = array_merge(
+            $args,
+            array(
+                'post_type'      => 'wpi_discount',
+                'posts_per_page' => 1,
+                'post_status'    => array( 'publish', 'pending', 'draft', 'expired' )
+            )
+        );
+
+        $discount = get_posts( $args );
+
+        if( empty( $discount ) ) {
+            return false;
         }
 
-	}
-
-	/**
-	 * Fetch a discount from the db/cache
-	 *
-	 *
-	 * @static
-	 * @param string $field The field to query against: 'ID', 'discount_code'
-	 * @param string|int $value The field value
-	 * @deprecated
-	 * @since 1.0.15
-	 * @return array|bool array of discount details on success. False otherwise.
-	 */
-	public static function get_data_by( $field, $value ) {
-
-		if ( 'id' == strtolower( $field ) ) {
-			// Make sure the value is numeric to avoid casting objects, for example,
-			// to int 1.
-			if ( ! is_numeric( $value ) )
-				return false;
-			$value = intval( $value );
-			if ( $value < 1 )
-				return false;
-		}
-
-		if ( ! $value || ! is_string( $field ) ) {
-			return false;
-		}
-
-		$field = trim( $field );
-
-		// prepare query args
-		switch ( strtolower( $field ) ) {
-			case 'id':
-				$discount_id = $value;
-				$args		 = array( 'include' => array( $value ) );
-				break;
-			case 'discount_code':
-			case 'code':
-				$value       = trim( $value );
-				$discount_id = wp_cache_get( $value, 'WPInv_Discount_Codes' );
-				$args		 = array( 'meta_key' => '_wpi_discount_code', 'meta_value' => $value );
-				break;
-			case 'name':
-				$discount_id = 0;
-				$args		 = array( 'name' => trim( $value ) );
-				break;
-			default:
-				$args		 = apply_filters( "wpinv_discount_get_data_by_{$field}_args", null, $value );
-				if ( ! is_array( $args ) ) {
-					return apply_filters( "wpinv_discount_get_data_by_$field", false, $value );
-				}
-
-		}
-
-		// Check if there is a cached value.
-		if ( ! empty( $discount_id ) && $discount = wp_cache_get( (int) $discount_id, 'WPInv_Discounts' ) ) {
-			return $discount;
-		}
-
-		$args = array_merge(
-			$args,
-			array(
-				'post_type'      => 'wpi_discount',
-				'posts_per_page' => 1,
-				'post_status'    => array( 'publish', 'pending', 'draft', 'expired' )
-			)
-		);
-
-		$discount = get_posts( $args );
-
-		if( empty( $discount ) ) {
-			return false;
-		}
-
-		$discount = $discount[0];
-
-		// Prepare the return data.
-		$return = array(
+        $discount = $discount[0];
+
+        // Prepare the return data.
+        $return = array(
             'ID'                          => $discount->ID,
             'code'                        => get_post_meta( $discount->ID, '_wpi_discount_code', true ),
             'amount'                      => get_post_meta( $discount->ID, '_wpi_discount_amount', true ),
             'date_created'                => $discount->post_date,
-			'date_modified'               => $discount->post_modified,
-			'status'               		  => $discount->post_status,
-			'start'                  	  => get_post_meta( $discount->ID, '_wpi_discount_start', true ),
+            'date_modified'               => $discount->post_modified,
+            'status'               		  => $discount->post_status,
+            'start'                  	  => get_post_meta( $discount->ID, '_wpi_discount_start', true ),
             'expiration'                  => get_post_meta( $discount->ID, '_wpi_discount_expiration', true ),
             'type'               		  => get_post_meta( $discount->ID, '_wpi_discount_type', true ),
             'description'                 => $discount->post_excerpt,
@@ -204,84 +204,84 @@ 
             'is_single_use'               => get_post_meta( $discount->ID, '_wpi_discount_is_single_use', true ),
             'items'              	      => get_post_meta( $discount->ID, '_wpi_discount_items', true ),
             'excluded_items'              => get_post_meta( $discount->ID, '_wpi_discount_excluded_items', true ),
-			'required_items'              => get_post_meta( $discount->ID, '_wpi_discount_required_items', true ),
+            'required_items'              => get_post_meta( $discount->ID, '_wpi_discount_required_items', true ),
             'max_uses'                    => get_post_meta( $discount->ID, '_wpi_discount_max_uses', true ),
             'is_recurring'                => get_post_meta( $discount->ID, '_wpi_discount_is_recurring', true ),
             'min_total'                   => get_post_meta( $discount->ID, '_wpi_discount_min_total', true ),
             'max_total'                   => get_post_meta( $discount->ID, '_wpi_discount_max_total', true ),
         );
 
-		$return = apply_filters( 'wpinv_discount_properties', $return );
-
-		// Update the cache with our data
-		wp_cache_add( $discount->ID, $return, 'WPInv_Discounts' );
-		wp_cache_add( $return['code'], $discount->ID, 'WPInv_Discount_Codes' );
-
-		return $return;
-	}
-
-	/**
-	 * Given a discount code, it returns a discount id.
-	 *
-	 *
-	 * @static
-	 * @param string $discount_code
-	 * @since 1.0.15
-	 * @return int
-	 */
-	public static function get_discount_id_by_code( $discount_code ) {
-
-		// Trim the code.
-		$discount_code = trim( $discount_code );
-
-		// Ensure a value has been passed.
-		if ( empty( $discount_code ) ) {
-			return 0;
-		}
-
-		// Maybe retrieve from the cache.
-		$discount_id   = wp_cache_get( $discount_code, 'getpaid_discount_codes' );
-		if ( ! empty( $discount_id ) ) {
-			return $discount_id;
-		}
-
-		// Fetch the first discount codes.
-		$discounts = get_posts(
-			array(
-				'meta_key'       => '_wpi_discount_code',
-				'meta_value'     => $discount_code,
-				'post_type'      => 'wpi_discount',
-				'posts_per_page' => 1,
-				'post_status'    => array( 'publish', 'pending', 'draft', 'expired' ),
-				'fields'         => 'ids',
-			)
-		);
-
-		if ( empty( $discounts ) ) {
-			return 0;
-		}
-
-		$discount_id = $discounts[0];
-
-		// Update the cache with our data
-		wp_cache_add( get_post_meta( $discount_id, '_wpi_discount_code', true ), $discount_id, 'getpaid_discount_codes' );
-
-		return $discount_id;
-	}
-
-	/**
-	 * Magic method for checking the existence of a certain custom field.
-	 *
-	 * @since 1.0.15
-	 * @access public
-	 *
-	 * @return bool Whether the given discount field is set.
-	 */
-	public function __isset( $key ){
-		return isset( $this->data[$key] ) || method_exists( $this, "get_$key");
-	}
-
-	/*
+        $return = apply_filters( 'wpinv_discount_properties', $return );
+
+        // Update the cache with our data
+        wp_cache_add( $discount->ID, $return, 'WPInv_Discounts' );
+        wp_cache_add( $return['code'], $discount->ID, 'WPInv_Discount_Codes' );
+
+        return $return;
+    }
+
+    /**
+     * Given a discount code, it returns a discount id.
+     *
+     *
+     * @static
+     * @param string $discount_code
+     * @since 1.0.15
+     * @return int
+     */
+    public static function get_discount_id_by_code( $discount_code ) {
+
+        // Trim the code.
+        $discount_code = trim( $discount_code );
+
+        // Ensure a value has been passed.
+        if ( empty( $discount_code ) ) {
+            return 0;
+        }
+
+        // Maybe retrieve from the cache.
+        $discount_id   = wp_cache_get( $discount_code, 'getpaid_discount_codes' );
+        if ( ! empty( $discount_id ) ) {
+            return $discount_id;
+        }
+
+        // Fetch the first discount codes.
+        $discounts = get_posts(
+            array(
+                'meta_key'       => '_wpi_discount_code',
+                'meta_value'     => $discount_code,
+                'post_type'      => 'wpi_discount',
+                'posts_per_page' => 1,
+                'post_status'    => array( 'publish', 'pending', 'draft', 'expired' ),
+                'fields'         => 'ids',
+            )
+        );
+
+        if ( empty( $discounts ) ) {
+            return 0;
+        }
+
+        $discount_id = $discounts[0];
+
+        // Update the cache with our data
+        wp_cache_add( get_post_meta( $discount_id, '_wpi_discount_code', true ), $discount_id, 'getpaid_discount_codes' );
+
+        return $discount_id;
+    }
+
+    /**
+     * Magic method for checking the existence of a certain custom field.
+     *
+     * @since 1.0.15
+     * @access public
+     *
+     * @return bool Whether the given discount field is set.
+     */
+    public function __isset( $key ){
+        return isset( $this->data[$key] ) || method_exists( $this, "get_$key");
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD methods
 	|--------------------------------------------------------------------------
@@ -296,441 +296,441 @@ 
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Get discount status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+    /**
+     * Get discount status.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_status( $context = 'view' ) {
+        return $this->get_prop( 'status', $context );
     }
 
     /**
-	 * Get plugin version when the discount was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
+     * Get plugin version when the discount was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_version( $context = 'view' ) {
+        return $this->get_prop( 'version', $context );
     }
 
     /**
-	 * Get date when the discount was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
+     * Get date when the discount was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created( $context = 'view' ) {
+        return $this->get_prop( 'date_created', $context );
     }
 
     /**
-	 * Get GMT date when the discount was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created_gmt( $context = 'view' ) {
+     * Get GMT date when the discount was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created_gmt( $context = 'view' ) {
         $date = $this->get_date_created( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Get date when the discount was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
+     * Get date when the discount was last modified.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_modified( $context = 'view' ) {
+        return $this->get_prop( 'date_modified', $context );
     }
 
     /**
-	 * Get GMT date when the discount was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
+     * Get GMT date when the discount was last modified.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_modified_gmt( $context = 'view' ) {
         $date = $this->get_date_modified( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
-    }
-
-    /**
-	 * Get the discount name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_name( $context = 'view' ) {
-		return $this->get_prop( 'name', $context );
-    }
-
-    /**
-	 * Alias of self::get_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
-    }
-
-    /**
-	 * Get the discount description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_description( $context = 'view' ) {
-		return $this->get_prop( 'description', $context );
-    }
-
-    /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_excerpt( $context = 'view' ) {
-		return $this->get_description( $context );
-    }
-
-    /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_summary( $context = 'view' ) {
-		return $this->get_description( $context );
-    }
-
-    /**
-	 * Get the owner of the discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
-	}
-
-	/**
-	 * Get the discount code.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_code( $context = 'view' ) {
-		return $this->get_prop( 'code', $context );
-	}
-
-	/**
-	 * Alias for self::get_code().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_coupon_code( $context = 'view' ) {
-		return $this->get_code( $context );
-	}
-
-	/**
-	 * Alias for self::get_code().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_discount_code( $context = 'view' ) {
-		return $this->get_code( $context );
-	}
-
-	/**
-	 * Get the discount's amount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_amount( $context = 'view' ) {
-		return $context == 'view' ? floatval( $this->get_prop( 'amount', $context ) ) : $this->get_prop( 'amount', $context );
-	}
-
-	/**
-	 * Get the discount's formated amount/rate.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_formatted_amount() {
-
-		if ( $this->is_type( 'flat' ) ) {
-			$rate = wpinv_price( $this->get_amount() );
-		} else {
-			$rate = $this->get_amount() . '%';
-		}
-
-		return apply_filters( 'wpinv_format_discount_rate', $rate, $this->get_type(), $this->get_amount() );
-	}
-
-	/**
-	 * Get the discount's start date.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_start( $context = 'view' ) {
-		return $this->get_prop( 'start', $context );
-	}
-
-	/**
-	 * Alias for self::get_start().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_start_date( $context = 'view' ) {
-		return $this->get_start( $context );
-	}
-
-	/**
-	 * Get the discount's expiration date.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_expiration( $context = 'view' ) {
-		return $this->get_prop( 'expiration', $context );
-	}
-
-	/**
-	 * Alias for self::get_expiration().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_expiration_date( $context = 'view' ) {
-		return $this->get_expiration( $context );
-	}
-
-	/**
-	 * Alias for self::get_expiration().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_end_date( $context = 'view' ) {
-		return $this->get_expiration( $context );
-	}
-
-	/**
-	 * Get the discount's type.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_type( $context = 'view' ) {
-		return $this->get_prop( 'type', $context );
-	}
-
-	/**
-	 * Get the number of times a discount has been used.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_uses( $context = 'view' ) {
-		return (int) $this->get_prop( 'uses', $context );
-	}
-
-	/**
-	 * Get the discount's usage, i.e uses / max uses.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_usage() {
-
-		if ( ! $this->has_limit() ) {
-			return $this->get_uses() . ' / ' . ' &infin;';
-		}
-
-		return $this->get_uses() . ' / ' . (int) $this->get_max_uses();
-
-	}
-
-	/**
-	 * Get the maximum number of time a discount can be used.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_max_uses( $context = 'view' ) {
-		$max_uses = $this->get_prop( 'max_uses', $context );
-		return empty( $max_uses ) ? null : $max_uses;
-	}
-
-	/**
-	 * Checks if this is a single use discount or not.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_is_single_use( $context = 'view' ) {
-		return $this->get_prop( 'is_single_use', $context );
-	}
-
-	/**
-	 * Get the items that can be used with this discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_items( $context = 'view' ) {
-		return array_filter( wp_parse_id_list( $this->get_prop( 'items', $context ) ) );
-	}
-
-	/**
-	 * Alias for self::get_items().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_allowed_items( $context = 'view' ) {
-		return $this->get_items( $context );
-	}
-
-	/**
-	 * Get the items that are not allowed to use this discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_excluded_items( $context = 'view' ) {
-		return array_filter( wp_parse_id_list( $this->get_prop( 'excluded_items', $context ) ) );
-	}
-
-	/**
-	 * Get the items that are required to be in the cart before using this discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_required_items( $context = 'view' ) {
-		return array_filter( wp_parse_id_list( $this->get_prop( 'required_items', $context ) ) );
-	}
-
-	/**
-	 * Checks if this is a recurring discount or not.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int|string|bool
-	 */
-	public function get_is_recurring( $context = 'view' ) {
-		return $this->get_prop( 'is_recurring', $context );
-	}
-
-	/**
-	 * Get's the minimum total amount allowed for this discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_min_total( $context = 'view' ) {
-		$minimum = $this->get_prop( 'min_total', $context );
-		return empty( $minimum ) ? null : $minimum;
-	}
-
-	/**
-	 * Alias for self::get_min_total().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_minimum_total( $context = 'view' ) {
-		return $this->get_min_total( $context );
-	}
-
-	/**
-	 * Get's the maximum total amount allowed for this discount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_max_total( $context = 'view' ) {
-		$maximum = $this->get_prop( 'max_total', $context );
-		return empty( $maximum ) ? null : $maximum;
-	}
-
-	/**
-	 * Alias for self::get_max_total().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_maximum_total( $context = 'view' ) {
-		return $this->get_max_total( $context );
-	}
-
-	/**
-	 * Magic method for accessing discount properties.
-	 *
-	 * @since 1.0.15
-	 * @access public
-	 *
-	 * @param string $key Discount data to retrieve
-	 * @param  string $context View or edit context.
-	 * @return mixed Value of the given discount property (if set).
-	 */
-	public function get( $key, $context = 'view' ) {
+        return $date;
+    }
+
+    /**
+     * Get the discount name.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_name( $context = 'view' ) {
+        return $this->get_prop( 'name', $context );
+    }
+
+    /**
+     * Alias of self::get_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_title( $context = 'view' ) {
+        return $this->get_name( $context );
+    }
+
+    /**
+     * Get the discount description.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_description( $context = 'view' ) {
+        return $this->get_prop( 'description', $context );
+    }
+
+    /**
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_excerpt( $context = 'view' ) {
+        return $this->get_description( $context );
+    }
+
+    /**
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_summary( $context = 'view' ) {
+        return $this->get_description( $context );
+    }
+
+    /**
+     * Get the owner of the discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_author( $context = 'view' ) {
+        return (int) $this->get_prop( 'author', $context );
+    }
+
+    /**
+     * Get the discount code.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_code( $context = 'view' ) {
+        return $this->get_prop( 'code', $context );
+    }
+
+    /**
+     * Alias for self::get_code().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_coupon_code( $context = 'view' ) {
+        return $this->get_code( $context );
+    }
+
+    /**
+     * Alias for self::get_code().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_discount_code( $context = 'view' ) {
+        return $this->get_code( $context );
+    }
+
+    /**
+     * Get the discount's amount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_amount( $context = 'view' ) {
+        return $context == 'view' ? floatval( $this->get_prop( 'amount', $context ) ) : $this->get_prop( 'amount', $context );
+    }
+
+    /**
+     * Get the discount's formated amount/rate.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_formatted_amount() {
+
+        if ( $this->is_type( 'flat' ) ) {
+            $rate = wpinv_price( $this->get_amount() );
+        } else {
+            $rate = $this->get_amount() . '%';
+        }
+
+        return apply_filters( 'wpinv_format_discount_rate', $rate, $this->get_type(), $this->get_amount() );
+    }
+
+    /**
+     * Get the discount's start date.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_start( $context = 'view' ) {
+        return $this->get_prop( 'start', $context );
+    }
+
+    /**
+     * Alias for self::get_start().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_start_date( $context = 'view' ) {
+        return $this->get_start( $context );
+    }
+
+    /**
+     * Get the discount's expiration date.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_expiration( $context = 'view' ) {
+        return $this->get_prop( 'expiration', $context );
+    }
+
+    /**
+     * Alias for self::get_expiration().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_expiration_date( $context = 'view' ) {
+        return $this->get_expiration( $context );
+    }
+
+    /**
+     * Alias for self::get_expiration().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_end_date( $context = 'view' ) {
+        return $this->get_expiration( $context );
+    }
+
+    /**
+     * Get the discount's type.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_type( $context = 'view' ) {
+        return $this->get_prop( 'type', $context );
+    }
+
+    /**
+     * Get the number of times a discount has been used.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_uses( $context = 'view' ) {
+        return (int) $this->get_prop( 'uses', $context );
+    }
+
+    /**
+     * Get the discount's usage, i.e uses / max uses.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_usage() {
+
+        if ( ! $this->has_limit() ) {
+            return $this->get_uses() . ' / ' . ' &infin;';
+        }
+
+        return $this->get_uses() . ' / ' . (int) $this->get_max_uses();
+
+    }
+
+    /**
+     * Get the maximum number of time a discount can be used.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_max_uses( $context = 'view' ) {
+        $max_uses = $this->get_prop( 'max_uses', $context );
+        return empty( $max_uses ) ? null : $max_uses;
+    }
+
+    /**
+     * Checks if this is a single use discount or not.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_is_single_use( $context = 'view' ) {
+        return $this->get_prop( 'is_single_use', $context );
+    }
+
+    /**
+     * Get the items that can be used with this discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_items( $context = 'view' ) {
+        return array_filter( wp_parse_id_list( $this->get_prop( 'items', $context ) ) );
+    }
+
+    /**
+     * Alias for self::get_items().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_allowed_items( $context = 'view' ) {
+        return $this->get_items( $context );
+    }
+
+    /**
+     * Get the items that are not allowed to use this discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_excluded_items( $context = 'view' ) {
+        return array_filter( wp_parse_id_list( $this->get_prop( 'excluded_items', $context ) ) );
+    }
+
+    /**
+     * Get the items that are required to be in the cart before using this discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_required_items( $context = 'view' ) {
+        return array_filter( wp_parse_id_list( $this->get_prop( 'required_items', $context ) ) );
+    }
+
+    /**
+     * Checks if this is a recurring discount or not.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int|string|bool
+     */
+    public function get_is_recurring( $context = 'view' ) {
+        return $this->get_prop( 'is_recurring', $context );
+    }
+
+    /**
+     * Get's the minimum total amount allowed for this discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_min_total( $context = 'view' ) {
+        $minimum = $this->get_prop( 'min_total', $context );
+        return empty( $minimum ) ? null : $minimum;
+    }
+
+    /**
+     * Alias for self::get_min_total().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_minimum_total( $context = 'view' ) {
+        return $this->get_min_total( $context );
+    }
+
+    /**
+     * Get's the maximum total amount allowed for this discount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_max_total( $context = 'view' ) {
+        $maximum = $this->get_prop( 'max_total', $context );
+        return empty( $maximum ) ? null : $maximum;
+    }
+
+    /**
+     * Alias for self::get_max_total().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_maximum_total( $context = 'view' ) {
+        return $this->get_max_total( $context );
+    }
+
+    /**
+     * Magic method for accessing discount properties.
+     *
+     * @since 1.0.15
+     * @access public
+     *
+     * @param string $key Discount data to retrieve
+     * @param  string $context View or edit context.
+     * @return mixed Value of the given discount property (if set).
+     */
+    public function get( $key, $context = 'view' ) {
         return $this->get_prop( $key, $context );
-	}
+    }
 
-	/*
+    /*
 	|--------------------------------------------------------------------------
 	| Setters
 	|--------------------------------------------------------------------------
@@ -740,41 +740,41 @@ 
 	| object.
 	*/
 
-	/**
-	 * Sets discount status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $status New status.
-	 * @return array details of change.
-	 */
-	public function set_status( $status ) {
+    /**
+     * Sets discount status.
+     *
+     * @since 1.0.19
+     * @param  string $status New status.
+     * @return array details of change.
+     */
+    public function set_status( $status ) {
         $old_status = $this->get_status();
 
         $this->set_prop( 'status', $status );
 
-		return array(
-			'from' => $old_status,
-			'to'   => $status,
-		);
+        return array(
+            'from' => $old_status,
+            'to'   => $status,
+        );
     }
 
     /**
-	 * Set plugin version when the discount was created.
-	 *
-	 * @since 1.0.19
-	 */
-	public function set_version( $value ) {
-		$this->set_prop( 'version', $value );
+     * Set plugin version when the discount was created.
+     *
+     * @since 1.0.19
+     */
+    public function set_version( $value ) {
+        $this->set_prop( 'version', $value );
     }
 
     /**
-	 * Set date when the discount was created.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+     * Set date when the discount was created.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_date_created( $value ) {
+     */
+    public function set_date_created( $value ) {
         $date = strtotime( $value );
 
         if ( $date ) {
@@ -787,13 +787,13 @@ 
     }
 
     /**
-	 * Set date when the discount was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+     * Set date when the discount was last modified.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_date_modified( $value ) {
+     */
+    public function set_date_modified( $value ) {
         $date = strtotime( $value );
 
         if ( $date ) {
@@ -806,334 +806,334 @@ 
     }
 
     /**
-	 * Set the discount name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_name( $value ) {
+     * Set the discount name.
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_name( $value ) {
         $name = sanitize_text_field( $value );
-		$this->set_prop( 'name', $name );
+        $this->set_prop( 'name', $name );
     }
 
     /**
-	 * Alias of self::set_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_title( $value ) {
-		$this->set_name( $value );
+     * Alias of self::set_name().
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_title( $value ) {
+        $this->set_name( $value );
     }
 
     /**
-	 * Set the discount description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_description( $value ) {
+     * Set the discount description.
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_description( $value ) {
         $description = wp_kses_post( $value );
-		return $this->set_prop( 'description', $description );
-    }
-
-    /**
-	 * Alias of self::set_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_excerpt( $value ) {
-		$this->set_description( $value );
-    }
-
-    /**
-	 * Alias of self::set_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_summary( $value ) {
-		$this->set_description( $value );
-    }
-
-    /**
-	 * Set the owner of the discount.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value New author.
-	 */
-	public function set_author( $value ) {
-		$this->set_prop( 'author', (int) $value );
-	}
-
-	/**
-	 * Sets the discount code.
-	 *
-	 * @since 1.0.19
-	 * @param string $value New discount code.
-	 */
-	public function set_code( $value ) {
-		$code = sanitize_text_field( $value );
-		$this->set_prop( 'code', $code );
-	}
-
-	/**
-	 * Alias of self::set_code().
-	 *
-	 * @since 1.0.19
-	 * @param string $value New discount code.
-	 */
-	public function set_coupon_code( $value ) {
-		$this->set_code( $value );
-	}
-
-	/**
-	 * Alias of self::set_code().
-	 *
-	 * @since 1.0.19
-	 * @param string $value New discount code.
-	 */
-	public function set_discount_code( $value ) {
-		$this->set_code( $value );
-	}
-
-	/**
-	 * Sets the discount amount.
-	 *
-	 * @since 1.0.19
-	 * @param float $value New discount code.
-	 */
-	public function set_amount( $value ) {
-		$amount = floatval( wpinv_sanitize_amount( $value ) );
-		$this->set_prop( 'amount', $amount );
-	}
-
-	/**
-	 * Sets the discount's start date.
-	 *
-	 * @since 1.0.19
-	 * @param float $value New start date.
-	 */
-	public function set_start( $value ) {
-		$date = strtotime( $value );
+        return $this->set_prop( 'description', $description );
+    }
+
+    /**
+     * Alias of self::set_description().
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_excerpt( $value ) {
+        $this->set_description( $value );
+    }
+
+    /**
+     * Alias of self::set_description().
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_summary( $value ) {
+        $this->set_description( $value );
+    }
+
+    /**
+     * Set the owner of the discount.
+     *
+     * @since 1.0.19
+     * @param  int $value New author.
+     */
+    public function set_author( $value ) {
+        $this->set_prop( 'author', (int) $value );
+    }
+
+    /**
+     * Sets the discount code.
+     *
+     * @since 1.0.19
+     * @param string $value New discount code.
+     */
+    public function set_code( $value ) {
+        $code = sanitize_text_field( $value );
+        $this->set_prop( 'code', $code );
+    }
+
+    /**
+     * Alias of self::set_code().
+     *
+     * @since 1.0.19
+     * @param string $value New discount code.
+     */
+    public function set_coupon_code( $value ) {
+        $this->set_code( $value );
+    }
+
+    /**
+     * Alias of self::set_code().
+     *
+     * @since 1.0.19
+     * @param string $value New discount code.
+     */
+    public function set_discount_code( $value ) {
+        $this->set_code( $value );
+    }
+
+    /**
+     * Sets the discount amount.
+     *
+     * @since 1.0.19
+     * @param float $value New discount code.
+     */
+    public function set_amount( $value ) {
+        $amount = floatval( wpinv_sanitize_amount( $value ) );
+        $this->set_prop( 'amount', $amount );
+    }
+
+    /**
+     * Sets the discount's start date.
+     *
+     * @since 1.0.19
+     * @param float $value New start date.
+     */
+    public function set_start( $value ) {
+        $date = strtotime( $value );
 
         if ( $date ) {
             $this->set_prop( 'start', date( 'Y-m-d H:i', $date ) );
             return true;
-		}
+        }
 
-		$this->set_prop( 'start', '' );
+        $this->set_prop( 'start', '' );
 
         return false;
-	}
-
-	/**
-	 * Alias of self::set_start().
-	 *
-	 * @since 1.0.19
-	 * @param string $value New start date.
-	 */
-	public function set_start_date( $value ) {
-		$this->set_start( $value );
-	}
-
-	/**
-	 * Sets the discount's expiration date.
-	 *
-	 * @since 1.0.19
-	 * @param float $value New expiration date.
-	 */
-	public function set_expiration( $value ) {
-		$date = strtotime( $value );
+    }
+
+    /**
+     * Alias of self::set_start().
+     *
+     * @since 1.0.19
+     * @param string $value New start date.
+     */
+    public function set_start_date( $value ) {
+        $this->set_start( $value );
+    }
+
+    /**
+     * Sets the discount's expiration date.
+     *
+     * @since 1.0.19
+     * @param float $value New expiration date.
+     */
+    public function set_expiration( $value ) {
+        $date = strtotime( $value );
 
         if ( $date ) {
             $this->set_prop( 'expiration', date( 'Y-m-d H:i', $date ) );
             return true;
         }
 
-		$this->set_prop( 'expiration', '' );
+        $this->set_prop( 'expiration', '' );
         return false;
-	}
-
-	/**
-	 * Alias of self::set_expiration().
-	 *
-	 * @since 1.0.19
-	 * @param string $value New expiration date.
-	 */
-	public function set_expiration_date( $value ) {
-		$this->set_expiration( $value );
-	}
-
-	/**
-	 * Alias of self::set_expiration().
-	 *
-	 * @since 1.0.19
-	 * @param string $value New expiration date.
-	 */
-	public function set_end_date( $value ) {
-		$this->set_expiration( $value );
-	}
-
-	/**
-	 * Sets the discount type.
-	 *
-	 * @since 1.0.19
-	 * @param string $value New discount type.
-	 */
-	public function set_type( $value ) {
-		if ( $value && array_key_exists( sanitize_text_field( $value ), wpinv_get_discount_types() ) ) {
-			$this->set_prop( 'type', sanitize_text_field( $value ) );
-		}
-	}
-
-	/**
-	 * Sets the number of times a discount has been used.
-	 *
-	 * @since 1.0.19
-	 * @param int $value usage count.
-	 */
-	public function set_uses( $value ) {
-
-		$value = (int) $value;
-
-		if ( $value < 0 ) {
-			$value = 0;
-		}
-
-		$this->set_prop( 'uses', (int) $value );
-	}
-
-	/**
-	 * Sets the maximum number of times a discount can be used.
-	 *
-	 * @since 1.0.19
-	 * @param int $value maximum usage count.
-	 */
-	public function set_max_uses( $value ) {
-		$this->set_prop( 'max_uses', absint( $value ) );
-	}
-
-	/**
-	 * Sets if this is a single use discount or not.
-	 *
-	 * @since 1.0.19
-	 * @param int|bool $value is single use.
-	 */
-	public function set_is_single_use( $value ) {
-		$this->set_prop( 'is_single_use', (bool) $value );
-	}
-
-	/**
-	 * Sets the items that can be used with this discount.
-	 *
-	 * @since 1.0.19
-	 * @param array $value items.
-	 */
-	public function set_items( $value ) {
-		$this->set_prop( 'items', array_filter( wp_parse_id_list( $value ) ) );
-	}
-
-	/**
-	 * Alias for self::set_items().
-	 *
-	 * @since 1.0.19
-	 * @param array $value items.
-	 */
-	public function set_allowed_items( $value ) {
-		$this->set_items( $value );
-	}
-
-	/**
-	 * Sets the items that can not be used with this discount.
-	 *
-	 * @since 1.0.19
-	 * @param array $value items.
-	 */
-	public function set_excluded_items( $value ) {
-		$this->set_prop( 'excluded_items', array_filter( wp_parse_id_list( $value ) ) );
-	}
-
-	/**
-	 * Sets the items that are required to be in the cart before using this discount.
-	 *
-	 * @since 1.0.19
-	 * @param array $value items.
-	 */
-	public function set_required_items( $value ) {
-		$this->set_prop( 'required_items', array_filter( wp_parse_id_list( $value ) ) );
-	}
-
-	/**
-	 * Sets if this is a recurring discounts or not.
-	 *
-	 * @since 1.0.19
-	 * @param int|bool $value is recurring.
-	 */
-	public function set_is_recurring( $value ) {
-		$this->set_prop( 'is_recurring', (bool) $value );
-	}
-
-	/**
-	 * Sets the minimum total that can not be used with this discount.
-	 *
-	 * @since 1.0.19
-	 * @param float $value minimum total.
-	 */
-	public function set_min_total( $value ) {
-		$this->set_prop( 'min_total', (float) wpinv_sanitize_amount( $value ) );
-	}
-
-	/**
-	 * Alias for self::set_min_total().
-	 *
-	 * @since 1.0.19
-	 * @param float $value minimum total.
-	 */
-	public function set_minimum_total( $value ) {
-		$this->set_min_total( $value );
-	}
-
-	/**
-	 * Sets the maximum total that can not be used with this discount.
-	 *
-	 * @since 1.0.19
-	 * @param float $value maximum total.
-	 */
-	public function set_max_total( $value ) {
-		$this->set_prop( 'max_total', (float) wpinv_sanitize_amount( $value ) );
-	}
-
-	/**
-	 * Alias for self::set_max_total().
-	 *
-	 * @since 1.0.19
-	 * @param float $value maximum total.
-	 */
-	public function set_maximum_total( $value ) {
-		$this->set_max_total( $value );
-	}
-
-	/**
-	 * @deprecated
-	 */
-	public function refresh(){}
-
-	/**
-	 * @deprecated
-	 *
-	 */
-	public function update_status( $status = 'publish' ){
-
-		if ( $this->exists() && $this->get_status() != $status ) {
-			$this->set_status( $status );
-			$this->save();
-		}
-
-	}
-
-	/*
+    }
+
+    /**
+     * Alias of self::set_expiration().
+     *
+     * @since 1.0.19
+     * @param string $value New expiration date.
+     */
+    public function set_expiration_date( $value ) {
+        $this->set_expiration( $value );
+    }
+
+    /**
+     * Alias of self::set_expiration().
+     *
+     * @since 1.0.19
+     * @param string $value New expiration date.
+     */
+    public function set_end_date( $value ) {
+        $this->set_expiration( $value );
+    }
+
+    /**
+     * Sets the discount type.
+     *
+     * @since 1.0.19
+     * @param string $value New discount type.
+     */
+    public function set_type( $value ) {
+        if ( $value && array_key_exists( sanitize_text_field( $value ), wpinv_get_discount_types() ) ) {
+            $this->set_prop( 'type', sanitize_text_field( $value ) );
+        }
+    }
+
+    /**
+     * Sets the number of times a discount has been used.
+     *
+     * @since 1.0.19
+     * @param int $value usage count.
+     */
+    public function set_uses( $value ) {
+
+        $value = (int) $value;
+
+        if ( $value < 0 ) {
+            $value = 0;
+        }
+
+        $this->set_prop( 'uses', (int) $value );
+    }
+
+    /**
+     * Sets the maximum number of times a discount can be used.
+     *
+     * @since 1.0.19
+     * @param int $value maximum usage count.
+     */
+    public function set_max_uses( $value ) {
+        $this->set_prop( 'max_uses', absint( $value ) );
+    }
+
+    /**
+     * Sets if this is a single use discount or not.
+     *
+     * @since 1.0.19
+     * @param int|bool $value is single use.
+     */
+    public function set_is_single_use( $value ) {
+        $this->set_prop( 'is_single_use', (bool) $value );
+    }
+
+    /**
+     * Sets the items that can be used with this discount.
+     *
+     * @since 1.0.19
+     * @param array $value items.
+     */
+    public function set_items( $value ) {
+        $this->set_prop( 'items', array_filter( wp_parse_id_list( $value ) ) );
+    }
+
+    /**
+     * Alias for self::set_items().
+     *
+     * @since 1.0.19
+     * @param array $value items.
+     */
+    public function set_allowed_items( $value ) {
+        $this->set_items( $value );
+    }
+
+    /**
+     * Sets the items that can not be used with this discount.
+     *
+     * @since 1.0.19
+     * @param array $value items.
+     */
+    public function set_excluded_items( $value ) {
+        $this->set_prop( 'excluded_items', array_filter( wp_parse_id_list( $value ) ) );
+    }
+
+    /**
+     * Sets the items that are required to be in the cart before using this discount.
+     *
+     * @since 1.0.19
+     * @param array $value items.
+     */
+    public function set_required_items( $value ) {
+        $this->set_prop( 'required_items', array_filter( wp_parse_id_list( $value ) ) );
+    }
+
+    /**
+     * Sets if this is a recurring discounts or not.
+     *
+     * @since 1.0.19
+     * @param int|bool $value is recurring.
+     */
+    public function set_is_recurring( $value ) {
+        $this->set_prop( 'is_recurring', (bool) $value );
+    }
+
+    /**
+     * Sets the minimum total that can not be used with this discount.
+     *
+     * @since 1.0.19
+     * @param float $value minimum total.
+     */
+    public function set_min_total( $value ) {
+        $this->set_prop( 'min_total', (float) wpinv_sanitize_amount( $value ) );
+    }
+
+    /**
+     * Alias for self::set_min_total().
+     *
+     * @since 1.0.19
+     * @param float $value minimum total.
+     */
+    public function set_minimum_total( $value ) {
+        $this->set_min_total( $value );
+    }
+
+    /**
+     * Sets the maximum total that can not be used with this discount.
+     *
+     * @since 1.0.19
+     * @param float $value maximum total.
+     */
+    public function set_max_total( $value ) {
+        $this->set_prop( 'max_total', (float) wpinv_sanitize_amount( $value ) );
+    }
+
+    /**
+     * Alias for self::set_max_total().
+     *
+     * @since 1.0.19
+     * @param float $value maximum total.
+     */
+    public function set_maximum_total( $value ) {
+        $this->set_max_total( $value );
+    }
+
+    /**
+     * @deprecated
+     */
+    public function refresh(){}
+
+    /**
+     * @deprecated
+     *
+     */
+    public function update_status( $status = 'publish' ){
+
+        if ( $this->exists() && $this->get_status() != $status ) {
+            $this->set_status( $status );
+            $this->save();
+        }
+
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Conditionals
 	|--------------------------------------------------------------------------
@@ -1142,290 +1142,290 @@ 
 	|
 	*/
 
-	/**
-	 * Checks whether a discount exists in the database or not
-	 *
-	 * @since 1.0.15
-	 */
-	public function exists(){
-		$id = $this->get_id();
-		return ! empty( $id );
-	}
-
-	/**
-	 * Checks the discount type.
-	 *
-	 *
-	 * @param  string $type the discount type to check against
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function is_type( $type ) {
-		return $this->get_type() == $type;
-	}
-
-	/**
-	 * Checks whether the discount is published or not
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function is_active() {
-		return $this->get_status() == 'publish';
-	}
-
-	/**
-	 * Checks whether the discount has max uses
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_limit() {
-		$limit = $this->get_max_uses();
-		return ! empty( $limit );
-	}
-
-	/**
-	 * Checks whether the discount has ever been used.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_uses() {
-		return $this->get_uses() > 0;
-	}
-
-	/**
-	 * Checks whether the discount is has exided the usage limit or not
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_exceeded_limit() {
-
-		if ( ! $this->has_limit() || ! $this->has_uses() ) {
-			$exceeded = false ;
-		} else {
-			$exceeded = (int) $this->get_max_uses() <= $this->get_uses();
-		}
-
-		return apply_filters( 'wpinv_is_discount_maxed_out', $exceeded, $this->get_id(), $this, $this->get_code() );
-	}
-
-	/**
-	 * Checks whether the discount has an expiration date.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_expiration_date() {
-		$date = $this->get_expiration_date();
-		return ! empty( $date );
-	}
-
-	/**
-	 * Checks if the discount is expired
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function is_expired() {
-		$expired = $this->has_expiration_date() ? current_time( 'timestamp' ) > strtotime( $this->get_expiration_date() ) : false;
-		return apply_filters( 'wpinv_is_discount_expired', $expired, $this->get_id(), $this, $this->get_code() );
-	}
-
-	/**
-	 * Checks whether the discount has a start date.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_start_date() {
-		$date = $this->get_start_date();
-		return ! empty( $date );
-	}
-
-	/**
-	 * Checks the discount start date.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_started() {
-		$started = $this->has_start_date() ? true : current_time( 'timestamp' ) > strtotime( $this->get_start_date() );
-		return apply_filters( 'wpinv_is_discount_started', $started, $this->get_id(), $this, $this->get_code() );
-	}
-
-	/**
-	 * Checks the discount has allowed items or not.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_allowed_items() {
-		$allowed_items = $this->get_allowed_items();
-		return ! empty( $allowed_items );
-	}
-
-	/**
-	 * Checks the discount has excluded items or not.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_excluded_items() {
-		$excluded_items = $this->get_excluded_items();
-		return ! empty( $excluded_items );
-	}
-
-	/**
-	 * Check if a discount is valid for a given item id.
-	 *
-	 * @param  int|int[]  $item_ids
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_valid_for_items( $item_ids ) {
-
-		$item_ids = array_filter( wp_parse_id_list( $item_ids ) );
-		$included = array_intersect( $item_ids, $this->get_allowed_items() );
-		$excluded = array_intersect( $item_ids, $this->get_excluded_items() );
-
-		if ( $this->has_excluded_items() && ! empty( $excluded ) ) {
-			return false;
-		}
-
-		if ( $this->has_allowed_items() && empty( $included ) ) {
-			return false;
-		}
-
-		return true;
-	}
-
-	/**
-	 * Checks the discount has required items or not.
-	 *
-	 * @since 1.0.15
-	 * @return bool
-	 */
-	public function has_required_items() {
-		$required_items = $this->get_required_items();
-		return ! empty( $required_items );
-	}
-
-	/**
-	 * Checks if the required items are met
-	 *
-	 * @param  int|int[]  $item_ids
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_required_items_met( $item_ids ) {
-
-		if ( ! $this->has_required_items() ) {
-			return true;
-		}
-
-		return ! array_diff( $this->get_required_items(), array_filter( wp_parse_id_list( $item_ids ) ) );
-	}
-
-	/**
-	 * Check if a discount is valid for the given amount
-	 *
-	 * @param  float  $amount The amount to check against
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_valid_for_amount( $amount ) {
-		return $this->is_minimum_amount_met( $amount ) && $this->is_maximum_amount_met( $amount );
-	}
-
-	/**
-	 * Checks if the minimum amount is set
-	 *
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function has_minimum_amount() {
-		$minimum = $this->get_minimum_total();
-		return ! empty( $minimum );
-	}
-
-	/**
-	 * Checks if the minimum amount is met
-	 *
-	 * @param  float  $amount The amount to check against
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_minimum_amount_met( $amount ) {
-		$amount = floatval( wpinv_sanitize_amount( $amount ) );
-		$min_met= ! ( $this->has_minimum_amount() && $amount < floatval( wpinv_sanitize_amount( $this->get_minimum_total() ) ) );
-		return apply_filters( 'wpinv_is_discount_min_met', $min_met, $this->get_id(), $this, $this->get_code(), $amount );
-	}
-
-	/**
-	 * Checks if the maximum amount is set
-	 *
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function has_maximum_amount() {
-		$maximum = $this->get_maximum_total();
-		return ! empty( $maximum );
-	}
-
-	/**
-	 * Checks if the maximum amount is met
-	 *
-	 * @param  float  $amount The amount to check against
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_maximum_amount_met( $amount ) {
-		$amount = floatval( wpinv_sanitize_amount( $amount ) );
-		$max_met= ! ( $this->has_maximum_amount() && $amount > floatval( wpinv_sanitize_amount( $this->get_maximum_total() ) ) );
-		return apply_filters( 'wpinv_is_discount_max_met', $max_met, $this->get_id(), $this, $this->get_code(), $amount );
-	}
-
-	/**
-	 * Checks if the discount is recurring.
-	 *
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_recurring() {
-		$recurring = $this->get_is_recurring();
-		return ! empty( $recurring );
-	}
-
-	/**
-	 * Checks if the discount is single use.
-	 *
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_single_use() {
-		$usage = $this->get_is_single_use();
-		return ! empty( $usage );
-	}
-
-	/**
-	 * Check if a discount is valid for the given user
-	 *
-	 * @param  int|string  $user
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function is_valid_for_user( $user ) {
-
-		// Ensure that the discount is single use.
-		if ( empty( $user ) || ! $this->is_single_use() ) {
-			return true;
-		}
-
-		// Prepare the user id.
-		$user_id = 0;
+    /**
+     * Checks whether a discount exists in the database or not
+     *
+     * @since 1.0.15
+     */
+    public function exists(){
+        $id = $this->get_id();
+        return ! empty( $id );
+    }
+
+    /**
+     * Checks the discount type.
+     *
+     *
+     * @param  string $type the discount type to check against
+     * @since 1.0.15
+     * @return bool
+     */
+    public function is_type( $type ) {
+        return $this->get_type() == $type;
+    }
+
+    /**
+     * Checks whether the discount is published or not
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function is_active() {
+        return $this->get_status() == 'publish';
+    }
+
+    /**
+     * Checks whether the discount has max uses
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_limit() {
+        $limit = $this->get_max_uses();
+        return ! empty( $limit );
+    }
+
+    /**
+     * Checks whether the discount has ever been used.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_uses() {
+        return $this->get_uses() > 0;
+    }
+
+    /**
+     * Checks whether the discount is has exided the usage limit or not
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_exceeded_limit() {
+
+        if ( ! $this->has_limit() || ! $this->has_uses() ) {
+            $exceeded = false ;
+        } else {
+            $exceeded = (int) $this->get_max_uses() <= $this->get_uses();
+        }
+
+        return apply_filters( 'wpinv_is_discount_maxed_out', $exceeded, $this->get_id(), $this, $this->get_code() );
+    }
+
+    /**
+     * Checks whether the discount has an expiration date.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_expiration_date() {
+        $date = $this->get_expiration_date();
+        return ! empty( $date );
+    }
+
+    /**
+     * Checks if the discount is expired
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function is_expired() {
+        $expired = $this->has_expiration_date() ? current_time( 'timestamp' ) > strtotime( $this->get_expiration_date() ) : false;
+        return apply_filters( 'wpinv_is_discount_expired', $expired, $this->get_id(), $this, $this->get_code() );
+    }
+
+    /**
+     * Checks whether the discount has a start date.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_start_date() {
+        $date = $this->get_start_date();
+        return ! empty( $date );
+    }
+
+    /**
+     * Checks the discount start date.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_started() {
+        $started = $this->has_start_date() ? true : current_time( 'timestamp' ) > strtotime( $this->get_start_date() );
+        return apply_filters( 'wpinv_is_discount_started', $started, $this->get_id(), $this, $this->get_code() );
+    }
+
+    /**
+     * Checks the discount has allowed items or not.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_allowed_items() {
+        $allowed_items = $this->get_allowed_items();
+        return ! empty( $allowed_items );
+    }
+
+    /**
+     * Checks the discount has excluded items or not.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_excluded_items() {
+        $excluded_items = $this->get_excluded_items();
+        return ! empty( $excluded_items );
+    }
+
+    /**
+     * Check if a discount is valid for a given item id.
+     *
+     * @param  int|int[]  $item_ids
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_valid_for_items( $item_ids ) {
+
+        $item_ids = array_filter( wp_parse_id_list( $item_ids ) );
+        $included = array_intersect( $item_ids, $this->get_allowed_items() );
+        $excluded = array_intersect( $item_ids, $this->get_excluded_items() );
+
+        if ( $this->has_excluded_items() && ! empty( $excluded ) ) {
+            return false;
+        }
+
+        if ( $this->has_allowed_items() && empty( $included ) ) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Checks the discount has required items or not.
+     *
+     * @since 1.0.15
+     * @return bool
+     */
+    public function has_required_items() {
+        $required_items = $this->get_required_items();
+        return ! empty( $required_items );
+    }
+
+    /**
+     * Checks if the required items are met
+     *
+     * @param  int|int[]  $item_ids
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_required_items_met( $item_ids ) {
+
+        if ( ! $this->has_required_items() ) {
+            return true;
+        }
+
+        return ! array_diff( $this->get_required_items(), array_filter( wp_parse_id_list( $item_ids ) ) );
+    }
+
+    /**
+     * Check if a discount is valid for the given amount
+     *
+     * @param  float  $amount The amount to check against
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_valid_for_amount( $amount ) {
+        return $this->is_minimum_amount_met( $amount ) && $this->is_maximum_amount_met( $amount );
+    }
+
+    /**
+     * Checks if the minimum amount is set
+     *
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function has_minimum_amount() {
+        $minimum = $this->get_minimum_total();
+        return ! empty( $minimum );
+    }
+
+    /**
+     * Checks if the minimum amount is met
+     *
+     * @param  float  $amount The amount to check against
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_minimum_amount_met( $amount ) {
+        $amount = floatval( wpinv_sanitize_amount( $amount ) );
+        $min_met= ! ( $this->has_minimum_amount() && $amount < floatval( wpinv_sanitize_amount( $this->get_minimum_total() ) ) );
+        return apply_filters( 'wpinv_is_discount_min_met', $min_met, $this->get_id(), $this, $this->get_code(), $amount );
+    }
+
+    /**
+     * Checks if the maximum amount is set
+     *
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function has_maximum_amount() {
+        $maximum = $this->get_maximum_total();
+        return ! empty( $maximum );
+    }
+
+    /**
+     * Checks if the maximum amount is met
+     *
+     * @param  float  $amount The amount to check against
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_maximum_amount_met( $amount ) {
+        $amount = floatval( wpinv_sanitize_amount( $amount ) );
+        $max_met= ! ( $this->has_maximum_amount() && $amount > floatval( wpinv_sanitize_amount( $this->get_maximum_total() ) ) );
+        return apply_filters( 'wpinv_is_discount_max_met', $max_met, $this->get_id(), $this, $this->get_code(), $amount );
+    }
+
+    /**
+     * Checks if the discount is recurring.
+     *
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_recurring() {
+        $recurring = $this->get_is_recurring();
+        return ! empty( $recurring );
+    }
+
+    /**
+     * Checks if the discount is single use.
+     *
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_single_use() {
+        $usage = $this->get_is_single_use();
+        return ! empty( $usage );
+    }
+
+    /**
+     * Check if a discount is valid for the given user
+     *
+     * @param  int|string  $user
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function is_valid_for_user( $user ) {
+
+        // Ensure that the discount is single use.
+        if ( empty( $user ) || ! $this->is_single_use() ) {
+            return true;
+        }
+
+        // Prepare the user id.
+        $user_id = 0;
         if ( is_numeric( $user ) ) {
             $user_id = absint( $user );
         } else if ( is_email( $user ) && $user_data = get_user_by( 'email', $user ) ) {
@@ -1434,117 +1434,117 @@ 
             $user_id = $user_data->ID;
         }
 
-		// Ensure that we have a user.
-		if ( empty( $user_id ) ) {
-			return true;
-		}
+        // Ensure that we have a user.
+        if ( empty( $user_id ) ) {
+            return true;
+        }
 
-		// Get all payments with matching user id.
+        // Get all payments with matching user id.
         $payments = wpinv_get_invoices( array( 'user' => $user_id, 'limit' => false, 'paginate' => false ) );
-		$code     = strtolower( $this->get_code() );
-
-		// For each payment...
-		foreach ( $payments as $payment ) {
-
-			// Only check for paid invoices.
-			if ( $payment->is_paid() && strtolower( $payment->get_discount_code() ) == $code ) {
-				return false;
-			}
-
-		}
-
-		return true;
-	}
-
-	/**
-	 * Deletes the discount from the database
-	 *
-	 * @since 1.0.15
-	 * @return boolean
-	 */
-	public function remove() {
-		return $this->delete();
-	}
-
-	/**
-	 * Increases a discount's usage.
-	 *
-	 * @since 1.0.15
-	 * @param int $by The number of usages to increas by.
-	 * @return int
-	 */
-	public function increase_usage( $by = 1 ) {
-
-		// Abort if zero.
-		if ( empty( $by ) ) {
-			return;
-		}
-
-		// Increase the usage.
-		$this->set_uses( $this->get_uses() + (int) $by );
-
-		// Save the discount.
-		$this->save();
-
-		// Fire relevant hooks.
-		if( (int) $by > 0 ) {
-			do_action( 'wpinv_discount_increase_use_count', $this->get_uses(), $this->get_id(), $this->get_code(),  absint( $by ) );
-		} else {
-			do_action( 'wpinv_discount_decrease_use_count', $this->get_uses(), $this->get_id(), $this->get_code(), absint( $by ) );
-		}
-
-		// Return the number of times the discount has been used.
-		return $this->get_uses();
-	}
-
-	/**
-	 * Alias of self::__toString()
-	 *
-	 * @since 1.0.15
-	 * @return string|false
-	 */
-	public function get_data_as_json() {
-		return $this->__toString();
-	}
-
-	/**
-	 * Returns a discount's discounted amount.
-	 *
-	 * @since 1.0.15
-	 * @param float $amount
-	 * @return float
-	 */
-	public function get_discounted_amount( $amount ) {
-
-		// Convert amount to float.
-		$amount = (float) $amount;
-
-		// Get discount amount.
-		$discount_amount = $this->get_amount();
-
-		if ( empty( $discount_amount ) ) {
-			return 0;
-		}
-
-		// Format the amount.
-		$discount_amount = floatval( wpinv_sanitize_amount( $discount_amount ) );
-
-		// If this is a percentage discount.
-		if ( $this->is_type( 'percent' ) ) {
+        $code     = strtolower( $this->get_code() );
+
+        // For each payment...
+        foreach ( $payments as $payment ) {
+
+            // Only check for paid invoices.
+            if ( $payment->is_paid() && strtolower( $payment->get_discount_code() ) == $code ) {
+                return false;
+            }
+
+        }
+
+        return true;
+    }
+
+    /**
+     * Deletes the discount from the database
+     *
+     * @since 1.0.15
+     * @return boolean
+     */
+    public function remove() {
+        return $this->delete();
+    }
+
+    /**
+     * Increases a discount's usage.
+     *
+     * @since 1.0.15
+     * @param int $by The number of usages to increas by.
+     * @return int
+     */
+    public function increase_usage( $by = 1 ) {
+
+        // Abort if zero.
+        if ( empty( $by ) ) {
+            return;
+        }
+
+        // Increase the usage.
+        $this->set_uses( $this->get_uses() + (int) $by );
+
+        // Save the discount.
+        $this->save();
+
+        // Fire relevant hooks.
+        if( (int) $by > 0 ) {
+            do_action( 'wpinv_discount_increase_use_count', $this->get_uses(), $this->get_id(), $this->get_code(),  absint( $by ) );
+        } else {
+            do_action( 'wpinv_discount_decrease_use_count', $this->get_uses(), $this->get_id(), $this->get_code(), absint( $by ) );
+        }
+
+        // Return the number of times the discount has been used.
+        return $this->get_uses();
+    }
+
+    /**
+     * Alias of self::__toString()
+     *
+     * @since 1.0.15
+     * @return string|false
+     */
+    public function get_data_as_json() {
+        return $this->__toString();
+    }
+
+    /**
+     * Returns a discount's discounted amount.
+     *
+     * @since 1.0.15
+     * @param float $amount
+     * @return float
+     */
+    public function get_discounted_amount( $amount ) {
+
+        // Convert amount to float.
+        $amount = (float) $amount;
+
+        // Get discount amount.
+        $discount_amount = $this->get_amount();
+
+        if ( empty( $discount_amount ) ) {
+            return 0;
+        }
+
+        // Format the amount.
+        $discount_amount = floatval( wpinv_sanitize_amount( $discount_amount ) );
+
+        // If this is a percentage discount.
+        if ( $this->is_type( 'percent' ) ) {
             $discount_amount = $amount * ( $discount_amount / 100 );
-		}
+        }
 
-		// Discount can not be less than zero...
-		if ( $discount_amount < 0 ) {
-			$discount_amount = 0;
-		}
+        // Discount can not be less than zero...
+        if ( $discount_amount < 0 ) {
+            $discount_amount = 0;
+        }
 
-		// ... or more than the amount.
-		if ( $discount_amount > $amount ) {
-			$discount_amount = $amount;
-		}
+        // ... or more than the amount.
+        if ( $discount_amount > $amount ) {
+            $discount_amount = $amount;
+        }
 
-		return apply_filters( 'wpinv_discount_total_discount_amount', $discount_amount, $amount, $this );
-	}
+        return apply_filters( 'wpinv_discount_total_discount_amount', $discount_amount, $amount, $this );
+    }
 
 }

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

Indentation +188 added lines, -188 removed lines

@@ -5,7 +5,7 @@ 
  *
  */
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -15,198 +15,198 @@ 
  */
 class GetPaid_Discount_Data_Store extends GetPaid_Data_Store_WP {
 
-	/**
-	 * Data stored in meta keys, but not considered "meta" for a discount.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $internal_meta_keys = array(
-		'_wpi_discount_code',
-		'_wpi_discount_amount',
-		'_wpi_discount_start',
-		'_wpi_discount_expiration',
-		'_wpi_discount_type',
-		'_wpi_discount_uses',
-		'_wpi_discount_is_single_use',
-		'_wpi_discount_items',
-		'_wpi_discount_excluded_items',
-		'_wpi_discount_required_items',
-		'_wpi_discount_max_uses',
-		'_wpi_discount_is_recurring',
-		'_wpi_discount_min_total',
-		'_wpi_discount_max_total',
-	);
-
-	/**
-	 * A map of meta keys to data props.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $meta_key_to_props = array(
-		'_wpi_discount_code'           => 'code',
-		'_wpi_discount_amount'         => 'amount',
-		'_wpi_discount_start'          => 'start',
-		'_wpi_discount_expiration'     => 'expiration',
-		'_wpi_discount_type'           => 'type',
-		'_wpi_discount_uses'           => 'uses',
-		'_wpi_discount_is_single_use'  => 'is_single_use',
-		'_wpi_discount_items'          => 'items',
-		'_wpi_discount_excluded_items' => 'excluded_items',
-		'_wpi_discount_required_items' => 'required_items',
-		'_wpi_discount_max_uses'       => 'max_uses',
-		'_wpi_discount_is_recurring'   => 'is_recurring',
-		'_wpi_discount_min_total'      => 'min_total',
-		'_wpi_discount_max_total'      => 'max_total',
-	);
-
-	/*
+    /**
+     * Data stored in meta keys, but not considered "meta" for a discount.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $internal_meta_keys = array(
+        '_wpi_discount_code',
+        '_wpi_discount_amount',
+        '_wpi_discount_start',
+        '_wpi_discount_expiration',
+        '_wpi_discount_type',
+        '_wpi_discount_uses',
+        '_wpi_discount_is_single_use',
+        '_wpi_discount_items',
+        '_wpi_discount_excluded_items',
+        '_wpi_discount_required_items',
+        '_wpi_discount_max_uses',
+        '_wpi_discount_is_recurring',
+        '_wpi_discount_min_total',
+        '_wpi_discount_max_total',
+    );
+
+    /**
+     * A map of meta keys to data props.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $meta_key_to_props = array(
+        '_wpi_discount_code'           => 'code',
+        '_wpi_discount_amount'         => 'amount',
+        '_wpi_discount_start'          => 'start',
+        '_wpi_discount_expiration'     => 'expiration',
+        '_wpi_discount_type'           => 'type',
+        '_wpi_discount_uses'           => 'uses',
+        '_wpi_discount_is_single_use'  => 'is_single_use',
+        '_wpi_discount_items'          => 'items',
+        '_wpi_discount_excluded_items' => 'excluded_items',
+        '_wpi_discount_required_items' => 'required_items',
+        '_wpi_discount_max_uses'       => 'max_uses',
+        '_wpi_discount_is_recurring'   => 'is_recurring',
+        '_wpi_discount_min_total'      => 'min_total',
+        '_wpi_discount_max_total'      => 'max_total',
+    );
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Method to create a new discount in the database.
-	 *
-	 * @param WPInv_Discount $discount Discount object.
-	 */
-	public function create( &$discount ) {
-		$discount->set_version( WPINV_VERSION );
-		$discount->set_date_created( current_time('mysql') );
-
-		// Create a new post.
-		$id = wp_insert_post(
-			apply_filters(
-				'getpaid_new_discount_data',
-				array(
-					'post_date'     => $discount->get_date_created( 'edit' ),
-					'post_type'     => 'wpi_discount',
-					'post_status'   => $this->get_post_status( $discount ),
-					'ping_status'   => 'closed',
-					'post_author'   => $discount->get_author( 'edit' ),
-					'post_title'    => $discount->get_name( 'edit' ),
-					'post_excerpt'  => $discount->get_description( 'edit' ),
-				)
-			),
-			true
-		);
-
-		if ( $id && ! is_wp_error( $id ) ) {
-			$discount->set_id( $id );
-			$this->update_post_meta( $discount );
-			$discount->save_meta_data();
-			$discount->apply_changes();
-			$this->clear_caches( $discount );
-			do_action( 'getpaid_new_discount', $discount );
-			return true;
-		}
-
-		if ( is_wp_error( $id ) ) {
-			$discount->last_error = $id->get_error_message();
-		}
-
-		return false;
-	}
-
-	/**
-	 * Method to read a discount from the database.
-	 *
-	 * @param WPInv_Discount $discount Discount object.
-	 *
-	 */
-	public function read( &$discount ) {
-
-		$discount->set_defaults();
-		$discount_object = get_post( $discount->get_id() );
-
-		if ( ! $discount->get_id() || ! $discount_object || $discount_object->post_type != 'wpi_discount' ) {
-			$discount->last_error = __( 'Invalid discount.', 'invoicing' );
-			$discount->set_id( 0 );
-			return false;
-		}
-
-		$discount->set_props(
-			array(
-				'date_created'  => 0 < $discount_object->post_date ? $discount_object->post_date : null,
-				'date_modified' => 0 < $discount_object->post_modified ? $discount_object->post_modified : null,
-				'status'        => $discount_object->post_status,
-				'name'          => $discount_object->post_title,
-				'author'        => $discount_object->post_author,
-				'description'   => $discount_object->post_excerpt,
-			)
-		);
-
-		$this->read_object_data( $discount, $discount_object );
-		$discount->read_meta_data();
-		$discount->set_object_read( true );
-		do_action( 'getpaid_read_discount', $discount );
-
-	}
-
-	/**
-	 * Method to update a discount in the database.
-	 *
-	 * @param WPInv_Discount $discount Discount object.
-	 */
-	public function update( &$discount ) {
-		$discount->save_meta_data();
-		$discount->set_version( WPINV_VERSION );
-
-		if ( null === $discount->get_date_created( 'edit' ) ) {
-			$discount->set_date_created(  current_time('mysql') );
-		}
-
-		// Grab the current status so we can compare.
-		$previous_status = get_post_status( $discount->get_id() );
-
-		$changes = $discount->get_changes();
-
-		// Only update the post when the post data changes.
-		if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author', 'post_excerpt' ), array_keys( $changes ) ) ) {
-			$post_data = array(
-				'post_date'         => $discount->get_date_created( 'edit' ),
-				'post_status'       => $discount->get_status( 'edit' ),
-				'post_title'        => $discount->get_name( 'edit' ),
-				'post_author'       => $discount->get_author( 'edit' ),
-				'post_modified'     => $discount->get_date_modified( 'edit' ),
-				'post_excerpt'      => $discount->get_description( 'edit' ),
-			);
-
-			/**
-			 * When updating this object, to prevent infinite loops, use $wpdb
-			 * to update data, since wp_update_post spawns more calls to the
-			 * save_post action.
-			 *
-			 * This ensures hooks are fired by either WP itself (admin screen save),
-			 * or an update purely from CRUD.
-			 */
-			if ( doing_action( 'save_post' ) ) {
-				$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $discount->get_id() ) );
-				clean_post_cache( $discount->get_id() );
-			} else {
-				wp_update_post( array_merge( array( 'ID' => $discount->get_id() ), $post_data ) );
-			}
-			$discount->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
-		}
-		$this->update_post_meta( $discount );
-		$discount->apply_changes();
-		$this->clear_caches( $discount );
-
-		// Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
-		$new_status = $discount->get_status( 'edit' );
-
-		if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
-			do_action( 'getpaid_new_discount', $discount );
-		} else {
-			do_action( 'getpaid_update_discount', $discount );
-		}
-
-	}
-
-	/*
+    /**
+     * Method to create a new discount in the database.
+     *
+     * @param WPInv_Discount $discount Discount object.
+     */
+    public function create( &$discount ) {
+        $discount->set_version( WPINV_VERSION );
+        $discount->set_date_created( current_time('mysql') );
+
+        // Create a new post.
+        $id = wp_insert_post(
+            apply_filters(
+                'getpaid_new_discount_data',
+                array(
+                    'post_date'     => $discount->get_date_created( 'edit' ),
+                    'post_type'     => 'wpi_discount',
+                    'post_status'   => $this->get_post_status( $discount ),
+                    'ping_status'   => 'closed',
+                    'post_author'   => $discount->get_author( 'edit' ),
+                    'post_title'    => $discount->get_name( 'edit' ),
+                    'post_excerpt'  => $discount->get_description( 'edit' ),
+                )
+            ),
+            true
+        );
+
+        if ( $id && ! is_wp_error( $id ) ) {
+            $discount->set_id( $id );
+            $this->update_post_meta( $discount );
+            $discount->save_meta_data();
+            $discount->apply_changes();
+            $this->clear_caches( $discount );
+            do_action( 'getpaid_new_discount', $discount );
+            return true;
+        }
+
+        if ( is_wp_error( $id ) ) {
+            $discount->last_error = $id->get_error_message();
+        }
+
+        return false;
+    }
+
+    /**
+     * Method to read a discount from the database.
+     *
+     * @param WPInv_Discount $discount Discount object.
+     *
+     */
+    public function read( &$discount ) {
+
+        $discount->set_defaults();
+        $discount_object = get_post( $discount->get_id() );
+
+        if ( ! $discount->get_id() || ! $discount_object || $discount_object->post_type != 'wpi_discount' ) {
+            $discount->last_error = __( 'Invalid discount.', 'invoicing' );
+            $discount->set_id( 0 );
+            return false;
+        }
+
+        $discount->set_props(
+            array(
+                'date_created'  => 0 < $discount_object->post_date ? $discount_object->post_date : null,
+                'date_modified' => 0 < $discount_object->post_modified ? $discount_object->post_modified : null,
+                'status'        => $discount_object->post_status,
+                'name'          => $discount_object->post_title,
+                'author'        => $discount_object->post_author,
+                'description'   => $discount_object->post_excerpt,
+            )
+        );
+
+        $this->read_object_data( $discount, $discount_object );
+        $discount->read_meta_data();
+        $discount->set_object_read( true );
+        do_action( 'getpaid_read_discount', $discount );
+
+    }
+
+    /**
+     * Method to update a discount in the database.
+     *
+     * @param WPInv_Discount $discount Discount object.
+     */
+    public function update( &$discount ) {
+        $discount->save_meta_data();
+        $discount->set_version( WPINV_VERSION );
+
+        if ( null === $discount->get_date_created( 'edit' ) ) {
+            $discount->set_date_created(  current_time('mysql') );
+        }
+
+        // Grab the current status so we can compare.
+        $previous_status = get_post_status( $discount->get_id() );
+
+        $changes = $discount->get_changes();
+
+        // Only update the post when the post data changes.
+        if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author', 'post_excerpt' ), array_keys( $changes ) ) ) {
+            $post_data = array(
+                'post_date'         => $discount->get_date_created( 'edit' ),
+                'post_status'       => $discount->get_status( 'edit' ),
+                'post_title'        => $discount->get_name( 'edit' ),
+                'post_author'       => $discount->get_author( 'edit' ),
+                'post_modified'     => $discount->get_date_modified( 'edit' ),
+                'post_excerpt'      => $discount->get_description( 'edit' ),
+            );
+
+            /**
+             * When updating this object, to prevent infinite loops, use $wpdb
+             * to update data, since wp_update_post spawns more calls to the
+             * save_post action.
+             *
+             * This ensures hooks are fired by either WP itself (admin screen save),
+             * or an update purely from CRUD.
+             */
+            if ( doing_action( 'save_post' ) ) {
+                $GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $discount->get_id() ) );
+                clean_post_cache( $discount->get_id() );
+            } else {
+                wp_update_post( array_merge( array( 'ID' => $discount->get_id() ), $post_data ) );
+            }
+            $discount->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
+        }
+        $this->update_post_meta( $discount );
+        $discount->apply_changes();
+        $this->clear_caches( $discount );
+
+        // Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
+        $new_status = $discount->get_status( 'edit' );
+
+        if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
+            do_action( 'getpaid_new_discount', $discount );
+        } else {
+            do_action( 'getpaid_update_discount', $discount );
+        }
+
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Additional Methods
 	|--------------------------------------------------------------------------

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

Indentation +717 added lines, -717 removed lines

@@ -13,720 +13,720 @@ 
 class GetPaid_Post_Types_Admin {
 
     /**
-	 * Hook in methods.
-	 */
-	public static function init() {
-
-		// Init metaboxes.
-		GetPaid_Metaboxes::init();
-
-		// Filter the post updated messages.
-		add_filter( 'post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages' );
-
-		// Filter post actions.
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2 );
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2 );
-
-		// Invoice table columns.
-		add_filter( 'manage_wpi_invoice_posts_columns', array( __CLASS__, 'invoice_columns' ), 100 );
-		add_action( 'manage_wpi_invoice_posts_custom_column', array( __CLASS__, 'display_invoice_columns' ), 10, 2 );
-		add_filter( 'bulk_actions-edit-wpi_invoice', array( __CLASS__, 'invoice_bulk_actions' ) );
-		add_filter( 'handle_bulk_actions-edit-wpi_invoice', array( __CLASS__, 'handle_invoice_bulk_actions' ), 10, 3 );
-
-		// Items table columns.
-		add_filter( 'manage_wpi_item_posts_columns', array( __CLASS__, 'item_columns' ), 100 );
-		add_filter( 'manage_edit-wpi_item_sortable_columns', array( __CLASS__, 'sortable_item_columns' ), 20 );
-		add_action( 'manage_wpi_item_posts_custom_column', array( __CLASS__, 'display_item_columns' ), 10, 2 );
-		add_action( 'restrict_manage_posts', array( __CLASS__, 'add_item_filters' ), 100 );
-		add_action( 'parse_query', array( __CLASS__, 'filter_item_query' ), 100 );
-		add_action( 'request', array( __CLASS__, 'reorder_items' ), 100 );
-
-		// Payment forms columns.
-		add_filter( 'manage_wpi_payment_form_posts_columns', array( __CLASS__, 'payment_form_columns' ), 100 );
-		add_action( 'manage_wpi_payment_form_posts_custom_column', array( __CLASS__, 'display_payment_form_columns' ), 10, 2 );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_payment_form_state' ), 10, 2 );
-
-		// Discount table columns.
-		add_filter( 'manage_wpi_discount_posts_columns', array( __CLASS__, 'discount_columns' ), 100 );
-		add_filter( 'bulk_actions-edit-wpi_discount', '__return_empty_array', 100 );
-
-		// Deleting posts.
-		add_action( 'delete_post', array( __CLASS__, 'delete_post' ) );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_discount_state' ), 10, 2 );
-
-		add_filter( 'display_post_states', array( __CLASS__, 'add_display_post_states' ), 10, 2 );
-	}
-
-	/**
-	 * Post updated messages.
-	 */
-	public static function post_updated_messages( $messages ) {
-		global $post;
-
-		$messages['wpi_discount'] = array(
-			0   => '',
-			1   => __( 'Discount updated.', 'invoicing' ),
-			2   => __( 'Custom field updated.', 'invoicing' ),
-			3   => __( 'Custom field deleted.', 'invoicing' ),
-			4   => __( 'Discount updated.', 'invoicing' ),
-			5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Discount restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6   => __( 'Discount updated.', 'invoicing' ),
-			7   => __( 'Discount saved.', 'invoicing' ),
-			8   => __( 'Discount submitted.', 'invoicing' ),
-			9   => wp_sprintf( __( 'Discount scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10  => __( 'Discount draft updated.', 'invoicing' ),
-		);
-
-		$messages['wpi_payment_form'] = array(
-			0   => '',
-			1   => __( 'Payment Form updated.', 'invoicing' ),
-			2   => __( 'Custom field updated.', 'invoicing' ),
-			3   => __( 'Custom field deleted.', 'invoicing' ),
-			4   => __( 'Payment Form updated.', 'invoicing' ),
-			5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Payment Form restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6   => __( 'Payment Form updated.', 'invoicing' ),
-			7   => __( 'Payment Form saved.', 'invoicing' ),
-			8   => __( 'Payment Form submitted.', 'invoicing' ),
-			9   => wp_sprintf( __( 'Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10  => __( 'Payment Form draft updated.', 'invoicing' ),
-		);
-
-		return $messages;
-
-	}
-
-	/**
-	 * Post row actions.
-	 */
-	public static function post_row_actions( $actions, $post ) {
-
-		$post = get_post( $post );
-
-		// We do not want to edit the default payment form.
-		if ( 'wpi_payment_form' == $post->post_type ) {
-
-			if ( $post->ID == wpinv_get_default_payment_form() ) {
-				unset( $actions['trash'] );
-				unset( $actions['inline hide-if-no-js'] );
-			}
-
-			$actions['duplicate'] =  sprintf(
-				'<a href="%1$s">%2$s</a>',
-				esc_url(
-					wp_nonce_url(
-						add_query_arg(
-							array(
-								'getpaid-admin-action' => 'duplicate_form',
-								'form_id'              => $post->ID
-							)
-						),
-						'getpaid-nonce',
-						'getpaid-nonce'
-					)
-				),
-				esc_html( __( 'Duplicate', 'invoicing' ) )
-			);
-
-		}
-
-		return $actions;
-	}
-
-	/**
+     * Hook in methods.
+     */
+    public static function init() {
+
+        // Init metaboxes.
+        GetPaid_Metaboxes::init();
+
+        // Filter the post updated messages.
+        add_filter( 'post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages' );
+
+        // Filter post actions.
+        add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2 );
+        add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2 );
+
+        // Invoice table columns.
+        add_filter( 'manage_wpi_invoice_posts_columns', array( __CLASS__, 'invoice_columns' ), 100 );
+        add_action( 'manage_wpi_invoice_posts_custom_column', array( __CLASS__, 'display_invoice_columns' ), 10, 2 );
+        add_filter( 'bulk_actions-edit-wpi_invoice', array( __CLASS__, 'invoice_bulk_actions' ) );
+        add_filter( 'handle_bulk_actions-edit-wpi_invoice', array( __CLASS__, 'handle_invoice_bulk_actions' ), 10, 3 );
+
+        // Items table columns.
+        add_filter( 'manage_wpi_item_posts_columns', array( __CLASS__, 'item_columns' ), 100 );
+        add_filter( 'manage_edit-wpi_item_sortable_columns', array( __CLASS__, 'sortable_item_columns' ), 20 );
+        add_action( 'manage_wpi_item_posts_custom_column', array( __CLASS__, 'display_item_columns' ), 10, 2 );
+        add_action( 'restrict_manage_posts', array( __CLASS__, 'add_item_filters' ), 100 );
+        add_action( 'parse_query', array( __CLASS__, 'filter_item_query' ), 100 );
+        add_action( 'request', array( __CLASS__, 'reorder_items' ), 100 );
+
+        // Payment forms columns.
+        add_filter( 'manage_wpi_payment_form_posts_columns', array( __CLASS__, 'payment_form_columns' ), 100 );
+        add_action( 'manage_wpi_payment_form_posts_custom_column', array( __CLASS__, 'display_payment_form_columns' ), 10, 2 );
+        add_filter( 'display_post_states', array( __CLASS__, 'filter_payment_form_state' ), 10, 2 );
+
+        // Discount table columns.
+        add_filter( 'manage_wpi_discount_posts_columns', array( __CLASS__, 'discount_columns' ), 100 );
+        add_filter( 'bulk_actions-edit-wpi_discount', '__return_empty_array', 100 );
+
+        // Deleting posts.
+        add_action( 'delete_post', array( __CLASS__, 'delete_post' ) );
+        add_filter( 'display_post_states', array( __CLASS__, 'filter_discount_state' ), 10, 2 );
+
+        add_filter( 'display_post_states', array( __CLASS__, 'add_display_post_states' ), 10, 2 );
+    }
+
+    /**
+     * Post updated messages.
+     */
+    public static function post_updated_messages( $messages ) {
+        global $post;
+
+        $messages['wpi_discount'] = array(
+            0   => '',
+            1   => __( 'Discount updated.', 'invoicing' ),
+            2   => __( 'Custom field updated.', 'invoicing' ),
+            3   => __( 'Custom field deleted.', 'invoicing' ),
+            4   => __( 'Discount updated.', 'invoicing' ),
+            5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Discount restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
+            6   => __( 'Discount updated.', 'invoicing' ),
+            7   => __( 'Discount saved.', 'invoicing' ),
+            8   => __( 'Discount submitted.', 'invoicing' ),
+            9   => wp_sprintf( __( 'Discount scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
+            10  => __( 'Discount draft updated.', 'invoicing' ),
+        );
+
+        $messages['wpi_payment_form'] = array(
+            0   => '',
+            1   => __( 'Payment Form updated.', 'invoicing' ),
+            2   => __( 'Custom field updated.', 'invoicing' ),
+            3   => __( 'Custom field deleted.', 'invoicing' ),
+            4   => __( 'Payment Form updated.', 'invoicing' ),
+            5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Payment Form restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
+            6   => __( 'Payment Form updated.', 'invoicing' ),
+            7   => __( 'Payment Form saved.', 'invoicing' ),
+            8   => __( 'Payment Form submitted.', 'invoicing' ),
+            9   => wp_sprintf( __( 'Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
+            10  => __( 'Payment Form draft updated.', 'invoicing' ),
+        );
+
+        return $messages;
+
+    }
+
+    /**
+     * Post row actions.
+     */
+    public static function post_row_actions( $actions, $post ) {
+
+        $post = get_post( $post );
+
+        // We do not want to edit the default payment form.
+        if ( 'wpi_payment_form' == $post->post_type ) {
+
+            if ( $post->ID == wpinv_get_default_payment_form() ) {
+                unset( $actions['trash'] );
+                unset( $actions['inline hide-if-no-js'] );
+            }
+
+            $actions['duplicate'] =  sprintf(
+                '<a href="%1$s">%2$s</a>',
+                esc_url(
+                    wp_nonce_url(
+                        add_query_arg(
+                            array(
+                                'getpaid-admin-action' => 'duplicate_form',
+                                'form_id'              => $post->ID
+                            )
+                        ),
+                        'getpaid-nonce',
+                        'getpaid-nonce'
+                    )
+                ),
+                esc_html( __( 'Duplicate', 'invoicing' ) )
+            );
+
+        }
+
+        return $actions;
+    }
+
+    /**
      * Remove bulk edit option from admin side quote listing
      *
      * @since    1.0.0
      * @param array $actions post actions
-	 * @param WP_Post $post
+     * @param WP_Post $post
      * @return array $actions actions without edit option
      */
     public static function filter_invoice_row_actions( $actions, $post ) {
 
         if ( getpaid_is_invoice_post_type( $post->post_type ) ) {
 
-			$actions = array();
-			$invoice = new WPInv_Invoice( $post );
-
-			$actions['edit'] =  sprintf(
-				'<a href="%1$s">%2$s</a>',
-				esc_url( get_edit_post_link( $invoice->get_id() ) ),
-				esc_html( __( 'Edit', 'invoicing' ) )
-			);
-
-			if ( ! $invoice->is_draft() ) {
-
-				$actions['view'] =  sprintf(
-					'<a href="%1$s">%2$s</a>',
-					esc_url( $invoice->get_view_url() ),
-					sprintf(
-						esc_html( __( 'View %s', 'invoicing' ) ),
-						getpaid_get_post_type_label( $invoice->get_post_type(), false )
-					)
-				);
-
-				$actions['send'] =  sprintf(
-					'<a href="%1$s">%2$s</a>',
-					esc_url(
-						wp_nonce_url(
-							add_query_arg(
-								array(
-									'getpaid-admin-action' => 'send_invoice',
-									'invoice_id'           => $invoice->get_id()
-								)
-							),
-							'getpaid-nonce',
-							'getpaid-nonce'
-						)
-					),
-					esc_html( __( 'Send to Customer', 'invoicing' ) )
-				);
-
-			}
-
-			$actions['duplicate'] =  sprintf(
-				'<a href="%1$s">%2$s</a>',
-				esc_url(
-					wp_nonce_url(
-						add_query_arg(
-							array(
-								'getpaid-admin-action' => 'duplicate_invoice',
-								'invoice_id'           => $post->ID
-							)
-						),
-						'getpaid-nonce',
-						'getpaid-nonce'
-					)
-				),
-				esc_html( __( 'Duplicate', 'invoicing' ) )
-			);
+            $actions = array();
+            $invoice = new WPInv_Invoice( $post );
+
+            $actions['edit'] =  sprintf(
+                '<a href="%1$s">%2$s</a>',
+                esc_url( get_edit_post_link( $invoice->get_id() ) ),
+                esc_html( __( 'Edit', 'invoicing' ) )
+            );
+
+            if ( ! $invoice->is_draft() ) {
+
+                $actions['view'] =  sprintf(
+                    '<a href="%1$s">%2$s</a>',
+                    esc_url( $invoice->get_view_url() ),
+                    sprintf(
+                        esc_html( __( 'View %s', 'invoicing' ) ),
+                        getpaid_get_post_type_label( $invoice->get_post_type(), false )
+                    )
+                );
+
+                $actions['send'] =  sprintf(
+                    '<a href="%1$s">%2$s</a>',
+                    esc_url(
+                        wp_nonce_url(
+                            add_query_arg(
+                                array(
+                                    'getpaid-admin-action' => 'send_invoice',
+                                    'invoice_id'           => $invoice->get_id()
+                                )
+                            ),
+                            'getpaid-nonce',
+                            'getpaid-nonce'
+                        )
+                    ),
+                    esc_html( __( 'Send to Customer', 'invoicing' ) )
+                );
+
+            }
+
+            $actions['duplicate'] =  sprintf(
+                '<a href="%1$s">%2$s</a>',
+                esc_url(
+                    wp_nonce_url(
+                        add_query_arg(
+                            array(
+                                'getpaid-admin-action' => 'duplicate_invoice',
+                                'invoice_id'           => $post->ID
+                            )
+                        ),
+                        'getpaid-nonce',
+                        'getpaid-nonce'
+                    )
+                ),
+                esc_html( __( 'Duplicate', 'invoicing' ) )
+            );
 
         }
 
         return $actions;
-	}
-
-	/**
-	 * Returns an array of invoice table columns.
-	 */
-	public static function invoice_columns( $columns ) {
-
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'number'            => __( 'Invoice', 'invoicing' ),
-			'customer'          => __( 'Customer', 'invoicing' ),
-			'invoice_date'      => __( 'Created', 'invoicing' ),
-			'payment_date'      => __( 'Completed', 'invoicing' ),
-			'amount'            => __( 'Amount', 'invoicing' ),
-			'recurring'         => __( 'Recurring', 'invoicing' ),
-			'status'            => __( 'Status', 'invoicing' ),
-		);
-
-		return apply_filters( 'wpi_invoice_table_columns', $columns );
-	}
-
-	/**
-	 * Displays invoice table columns.
-	 */
-	public static function display_invoice_columns( $column_name, $post_id ) {
-
-		$invoice = new WPInv_Invoice( $post_id );
-
-		switch ( $column_name ) {
-
-			case 'invoice_date' :
-				$date_time = esc_attr( $invoice->get_created_date() );
-				$date      = getpaid_format_date_value( $date_time, "&mdash;", true );
-				echo "<span title='$date_time'>$date</span>";
-				break;
-
-			case 'payment_date' :
-
-				if ( $invoice->is_paid() ) {
-					$date_time = esc_attr( $invoice->get_completed_date() );
-					$date      = getpaid_format_date_value( $date_time, "&mdash;", true );
-					echo "<span title='$date_time'>$date</span>";
-				} else {
-					echo "&mdash;";
-				}
+    }
+
+    /**
+     * Returns an array of invoice table columns.
+     */
+    public static function invoice_columns( $columns ) {
+
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'number'            => __( 'Invoice', 'invoicing' ),
+            'customer'          => __( 'Customer', 'invoicing' ),
+            'invoice_date'      => __( 'Created', 'invoicing' ),
+            'payment_date'      => __( 'Completed', 'invoicing' ),
+            'amount'            => __( 'Amount', 'invoicing' ),
+            'recurring'         => __( 'Recurring', 'invoicing' ),
+            'status'            => __( 'Status', 'invoicing' ),
+        );
+
+        return apply_filters( 'wpi_invoice_table_columns', $columns );
+    }
+
+    /**
+     * Displays invoice table columns.
+     */
+    public static function display_invoice_columns( $column_name, $post_id ) {
+
+        $invoice = new WPInv_Invoice( $post_id );
+
+        switch ( $column_name ) {
+
+            case 'invoice_date' :
+                $date_time = esc_attr( $invoice->get_created_date() );
+                $date      = getpaid_format_date_value( $date_time, "&mdash;", true );
+                echo "<span title='$date_time'>$date</span>";
+                break;
+
+            case 'payment_date' :
+
+                if ( $invoice->is_paid() ) {
+                    $date_time = esc_attr( $invoice->get_completed_date() );
+                    $date      = getpaid_format_date_value( $date_time, "&mdash;", true );
+                    echo "<span title='$date_time'>$date</span>";
+                } else {
+                    echo "&mdash;";
+                }
 				
-				break;
+                break;
 
-			case 'amount' :
+            case 'amount' :
 
-				$amount = $invoice->get_total();
-				$formated_amount = wpinv_price( $amount, $invoice->get_currency() );
+                $amount = $invoice->get_total();
+                $formated_amount = wpinv_price( $amount, $invoice->get_currency() );
 
-				if ( $invoice->is_refunded() ) {
-					$refunded_amount = wpinv_price( 0, $invoice->get_currency() );
-					echo "<del>$formated_amount</del>&nbsp;<ins>$refunded_amount</ins>";
-				} else {
+                if ( $invoice->is_refunded() ) {
+                    $refunded_amount = wpinv_price( 0, $invoice->get_currency() );
+                    echo "<del>$formated_amount</del>&nbsp;<ins>$refunded_amount</ins>";
+                } else {
 
-					$discount = $invoice->get_total_discount();
+                    $discount = $invoice->get_total_discount();
 
-					if ( ! empty( $discount ) ) {
-						$new_amount = wpinv_price( $amount + $discount, $invoice->get_currency() );
-						echo "<del>$new_amount</del>&nbsp;<ins>$formated_amount</ins>";
-					} else {
-						echo $formated_amount;
-					}
+                    if ( ! empty( $discount ) ) {
+                        $new_amount = wpinv_price( $amount + $discount, $invoice->get_currency() );
+                        echo "<del>$new_amount</del>&nbsp;<ins>$formated_amount</ins>";
+                    } else {
+                        echo $formated_amount;
+                    }
 
-				}
+                }
 
-				break;
+                break;
 
-			case 'status' :
-				$status       = esc_html( $invoice->get_status() );
-				$status_label = esc_html( $invoice->get_status_nicename() );
+            case 'status' :
+                $status       = esc_html( $invoice->get_status() );
+                $status_label = esc_html( $invoice->get_status_nicename() );
 
-				// If it is paid, show the gateway title.
-				if ( $invoice->is_paid() ) {
-					$gateway = esc_html( $invoice->get_gateway_title() );
-					$gateway = wp_sprintf( esc_attr__( 'Paid via %s', 'invoicing' ), $gateway );
+                // If it is paid, show the gateway title.
+                if ( $invoice->is_paid() ) {
+                    $gateway = esc_html( $invoice->get_gateway_title() );
+                    $gateway = wp_sprintf( esc_attr__( 'Paid via %s', 'invoicing' ), $gateway );
 
-					echo "<mark class='wpi-help-tip getpaid-invoice-status $status' title='$gateway'><span>$status_label</span></mark>";
-				} else {
-					echo "<mark class='getpaid-invoice-status $status'><span>$status_label</span></mark>";
-				}
+                    echo "<mark class='wpi-help-tip getpaid-invoice-status $status' title='$gateway'><span>$status_label</span></mark>";
+                } else {
+                    echo "<mark class='getpaid-invoice-status $status'><span>$status_label</span></mark>";
+                }
 
-				// If it is not paid, display the overdue and view status.
-				if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
+                // If it is not paid, display the overdue and view status.
+                if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
 
-					// Invoice view status.
-					if ( wpinv_is_invoice_viewed( $invoice->get_id() ) ) {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="'. esc_attr__( 'Viewed by Customer', 'invoicing' ).'"></i>';
-					} else {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="'. esc_attr__( 'Not Viewed by Customer', 'invoicing' ).'"></i>';
-					}
+                    // Invoice view status.
+                    if ( wpinv_is_invoice_viewed( $invoice->get_id() ) ) {
+                        echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="'. esc_attr__( 'Viewed by Customer', 'invoicing' ).'"></i>';
+                    } else {
+                        echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="'. esc_attr__( 'Not Viewed by Customer', 'invoicing' ).'"></i>';
+                    }
 
-					// Display the overview status.
-					if ( wpinv_get_option( 'overdue_active' ) ) {
-						$due_date = $invoice->get_due_date();
-						$fomatted = getpaid_format_date( $due_date );
+                    // Display the overview status.
+                    if ( wpinv_get_option( 'overdue_active' ) ) {
+                        $due_date = $invoice->get_due_date();
+                        $fomatted = getpaid_format_date( $due_date );
 
-						if ( ! empty( $fomatted ) ) {
-							$date = wp_sprintf( __( 'Due %s', 'invoicing' ), $fomatted );
-							echo "<p class='description' style='color: #888;' title='$due_date'>$fomatted</p>";
-						}
-					}
+                        if ( ! empty( $fomatted ) ) {
+                            $date = wp_sprintf( __( 'Due %s', 'invoicing' ), $fomatted );
+                            echo "<p class='description' style='color: #888;' title='$due_date'>$fomatted</p>";
+                        }
+                    }
 
-				}
+                }
 
-				break;
+                break;
 
-			case 'recurring':
+            case 'recurring':
 
-				if ( $invoice->is_recurring() ) {
-					echo '<i class="fa fa-check" style="color:#43850a;"></i>';
-				} else {
-					echo '<i class="fa fa-times" style="color:#616161;"></i>';
-				}
-				break;
+                if ( $invoice->is_recurring() ) {
+                    echo '<i class="fa fa-check" style="color:#43850a;"></i>';
+                } else {
+                    echo '<i class="fa fa-times" style="color:#616161;"></i>';
+                }
+                break;
 
-			case 'number' :
+            case 'number' :
 
-				$edit_link       = esc_url( get_edit_post_link( $invoice->get_id() ) );
-				$invoice_number  = esc_html( $invoice->get_number() );
-				$invoice_details = esc_attr__( 'View Invoice Details', 'invoicing' );
+                $edit_link       = esc_url( get_edit_post_link( $invoice->get_id() ) );
+                $invoice_number  = esc_html( $invoice->get_number() );
+                $invoice_details = esc_attr__( 'View Invoice Details', 'invoicing' );
 
-				echo "<a href='$edit_link' title='$invoice_details'><strong>$invoice_number</strong></a>";
+                echo "<a href='$edit_link' title='$invoice_details'><strong>$invoice_number</strong></a>";
 
-				break;
+                break;
 
-			case 'customer' :
+            case 'customer' :
 	
-				$customer_name = $invoice->get_user_full_name();
+                $customer_name = $invoice->get_user_full_name();
 	
-				if ( empty( $customer_name ) ) {
-					$customer_name = $invoice->get_email();
-				}
+                if ( empty( $customer_name ) ) {
+                    $customer_name = $invoice->get_email();
+                }
 	
-				if ( ! empty( $customer_name ) ) {
-					$customer_details = esc_attr__( 'View Customer Details', 'invoicing' );
-					$view_link        = esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), admin_url( 'user-edit.php' ) ) );
-					echo "<a href='$view_link' title='$customer_details'><span>$customer_name</span></a>";
-				} else {
-					echo '<div>&mdash;</div>';
-				}
+                if ( ! empty( $customer_name ) ) {
+                    $customer_details = esc_attr__( 'View Customer Details', 'invoicing' );
+                    $view_link        = esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), admin_url( 'user-edit.php' ) ) );
+                    echo "<a href='$view_link' title='$customer_details'><span>$customer_name</span></a>";
+                } else {
+                    echo '<div>&mdash;</div>';
+                }
 
-				break;
+                break;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Displays invoice bulk actions.
-	 */
-	public static function invoice_bulk_actions( $actions ) {
-		$actions['resend-invoice'] = __( 'Send to Customer', 'invoicing' );
-		return $actions;
-	}
+    /**
+     * Displays invoice bulk actions.
+     */
+    public static function invoice_bulk_actions( $actions ) {
+        $actions['resend-invoice'] = __( 'Send to Customer', 'invoicing' );
+        return $actions;
+    }
 
-	/**
-	 * Processes invoice bulk actions.
-	 */
-	public static function handle_invoice_bulk_actions( $redirect_url, $action, $post_ids ) {
+    /**
+     * Processes invoice bulk actions.
+     */
+    public static function handle_invoice_bulk_actions( $redirect_url, $action, $post_ids ) {
 
-		if ( $action == 'resend-invoice' ) {
+        if ( $action == 'resend-invoice' ) {
 
-			$success = false;
-			foreach ( $post_ids as $post_id ) {
-				$success = getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $post_id ), true );
-			}
+            $success = false;
+            foreach ( $post_ids as $post_id ) {
+                $success = getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $post_id ), true );
+            }
 
-			if ( $success ) {
-				getpaid_admin()->show_success( __( 'Invoices were successfully sent', 'invoicing' ) );
-			} else {
-				getpaid_admin()->show_error( __( 'Could not send some invoices', 'invoicing' ) );
-			}
+            if ( $success ) {
+                getpaid_admin()->show_success( __( 'Invoices were successfully sent', 'invoicing' ) );
+            } else {
+                getpaid_admin()->show_error( __( 'Could not send some invoices', 'invoicing' ) );
+            }
 
-		}
+        }
 
-		return $redirect_url;
+        return $redirect_url;
 
-	}
+    }
 
-	/**
-	 * Returns an array of payment forms table columns.
-	 */
-	public static function payment_form_columns( $columns ) {
+    /**
+     * Returns an array of payment forms table columns.
+     */
+    public static function payment_form_columns( $columns ) {
 
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'shortcode'         => __( 'Shortcode', 'invoicing' ),
-			'earnings'          => __( 'Revenue', 'invoicing' ),
-			'refunds'           => __( 'Refunded', 'invoicing' ),
-			'items'             => __( 'Items', 'invoicing' ),
-			'date'              => __( 'Date', 'invoicing' ),
-		);
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'title'             => __( 'Name', 'invoicing' ),
+            'shortcode'         => __( 'Shortcode', 'invoicing' ),
+            'earnings'          => __( 'Revenue', 'invoicing' ),
+            'refunds'           => __( 'Refunded', 'invoicing' ),
+            'items'             => __( 'Items', 'invoicing' ),
+            'date'              => __( 'Date', 'invoicing' ),
+        );
 
-		return apply_filters( 'wpi_payment_form_table_columns', $columns );
+        return apply_filters( 'wpi_payment_form_table_columns', $columns );
 
-	}
+    }
 
-	/**
-	 * Displays payment form table columns.
-	 */
-	public static function display_payment_form_columns( $column_name, $post_id ) {
+    /**
+     * Displays payment form table columns.
+     */
+    public static function display_payment_form_columns( $column_name, $post_id ) {
 
-		// Retrieve the payment form.
-		$form = new GetPaid_Payment_Form( $post_id );
+        // Retrieve the payment form.
+        $form = new GetPaid_Payment_Form( $post_id );
 
-		switch ( $column_name ) {
+        switch ( $column_name ) {
 
-			case 'earnings' :
-				echo wpinv_price( $form->get_earned() );
-				break;
+            case 'earnings' :
+                echo wpinv_price( $form->get_earned() );
+                break;
 
-			case 'refunds' :
-				echo wpinv_price( $form->get_refunded() );
-				break;
+            case 'refunds' :
+                echo wpinv_price( $form->get_refunded() );
+                break;
 
-			case 'refunds' :
-				echo wpinv_price( $form->get_refunded() );
-				break;
+            case 'refunds' :
+                echo wpinv_price( $form->get_refunded() );
+                break;
 
-			case 'shortcode' :
+            case 'shortcode' :
 
-				if ( $form->is_default() ) {
-					echo '&mdash;';
-				} else {
-					echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr( $form->get_id() ) . ']" style="width: 100%;" readonly/>';
-				}
+                if ( $form->is_default() ) {
+                    echo '&mdash;';
+                } else {
+                    echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr( $form->get_id() ) . ']" style="width: 100%;" readonly/>';
+                }
 
-				break;
+                break;
 
-			case 'items' :
+            case 'items' :
 
-				$items = $form->get_items();
+                $items = $form->get_items();
 
-				if ( $form->is_default() || empty( $items ) ) {
-					echo '&mdash;';
-					return;
-				}
+                if ( $form->is_default() || empty( $items ) ) {
+                    echo '&mdash;';
+                    return;
+                }
 
-				$_items = array();
+                $_items = array();
 
-				foreach ( $items as $item ) {
-					$url = $item->get_edit_url();
+                foreach ( $items as $item ) {
+                    $url = $item->get_edit_url();
 
-					if ( empty( $url ) ) {
-						$_items[] = esc_html( $item->get_name() );
-					} else {
-						$_items[] = sprintf(
-							'<a href="%s">%s</a>',
-							esc_url( $url ),
-							esc_html( $item->get_name() )
-						);
-					}
+                    if ( empty( $url ) ) {
+                        $_items[] = esc_html( $item->get_name() );
+                    } else {
+                        $_items[] = sprintf(
+                            '<a href="%s">%s</a>',
+                            esc_url( $url ),
+                            esc_html( $item->get_name() )
+                        );
+                    }
 
-				}
+                }
 
-				echo implode( '<br>', $_items );
+                echo implode( '<br>', $_items );
 
-				break;
+                break;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Filters post states.
-	 */
-	public static function filter_payment_form_state( $post_states, $post ) {
+    /**
+     * Filters post states.
+     */
+    public static function filter_payment_form_state( $post_states, $post ) {
 
-		if ( 'wpi_payment_form' == $post->post_type && wpinv_get_default_payment_form() == $post->ID ) {
-			$post_states[ 'default_form' ] = __( 'Default Payment Form', 'invoicing' );
-		}
+        if ( 'wpi_payment_form' == $post->post_type && wpinv_get_default_payment_form() == $post->ID ) {
+            $post_states[ 'default_form' ] = __( 'Default Payment Form', 'invoicing' );
+        }
 	
-		return $post_states;
-
-	}
-
-	/**
-	 * Returns an array of coupon table columns.
-	 */
-	public static function discount_columns( $columns ) {
-
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'code'              => __( 'Code', 'invoicing' ),
-			'amount'            => __( 'Amount', 'invoicing' ),
-			'usage'             => __( 'Usage / Limit', 'invoicing' ),
-			'start_date'        => __( 'Start Date', 'invoicing' ),
-			'expiry_date'       => __( 'Expiry Date', 'invoicing' ),
-		);
-
-		return apply_filters( 'wpi_discount_table_columns', $columns );
-	}
-
-	/**
-	 * Filters post states.
-	 */
-	public static function filter_discount_state( $post_states, $post ) {
-
-		if ( 'wpi_discount' == $post->post_type ) {
-
-			$discount = new WPInv_Discount( $post );
-
-			$status = $discount->is_expired() ? 'expired' : $discount->get_status();
-
-			if ( $status != 'publish' ) {
-				return array(
-					'discount_status' => wpinv_discount_status( $status ),
-				);
-			}
-
-			return array();
-
-		}
-
-		return $post_states;
-
-	}
-
-	/**
-	 * Returns an array of items table columns.
-	 */
-	public static function item_columns( $columns ) {
-
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'price'             => __( 'Price', 'invoicing' ),
-			'vat_rule'          => __( 'VAT rule', 'invoicing' ),
-			'vat_class'         => __( 'VAT class', 'invoicing' ),
-			'type'              => __( 'Type', 'invoicing' ),
-			'shortcode'         => __( 'Shortcode', 'invoicing' ),
-		);
-
-		if ( ! wpinv_use_taxes() ) {
-			unset( $columns['vat_rule'] );
-			unset( $columns['vat_class'] );
-		}
-
-		return apply_filters( 'wpi_item_table_columns', $columns );
-	}
-
-	/**
-	 * Returns an array of sortable items table columns.
-	 */
-	public static function sortable_item_columns( $columns ) {
-
-		return array_merge(
-			$columns,
-			array(
-				'price'     => 'price',
-				'vat_rule'  => 'vat_rule',
-				'vat_class' => 'vat_class',
-				'type'      => 'type',
-			)
-		);
-
-	}
-
-	/**
-	 * Displays items table columns.
-	 */
-	public static function display_item_columns( $column_name, $post_id ) {
+        return $post_states;
+
+    }
+
+    /**
+     * Returns an array of coupon table columns.
+     */
+    public static function discount_columns( $columns ) {
+
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'title'             => __( 'Name', 'invoicing' ),
+            'code'              => __( 'Code', 'invoicing' ),
+            'amount'            => __( 'Amount', 'invoicing' ),
+            'usage'             => __( 'Usage / Limit', 'invoicing' ),
+            'start_date'        => __( 'Start Date', 'invoicing' ),
+            'expiry_date'       => __( 'Expiry Date', 'invoicing' ),
+        );
+
+        return apply_filters( 'wpi_discount_table_columns', $columns );
+    }
+
+    /**
+     * Filters post states.
+     */
+    public static function filter_discount_state( $post_states, $post ) {
+
+        if ( 'wpi_discount' == $post->post_type ) {
+
+            $discount = new WPInv_Discount( $post );
+
+            $status = $discount->is_expired() ? 'expired' : $discount->get_status();
+
+            if ( $status != 'publish' ) {
+                return array(
+                    'discount_status' => wpinv_discount_status( $status ),
+                );
+            }
+
+            return array();
+
+        }
+
+        return $post_states;
+
+    }
+
+    /**
+     * Returns an array of items table columns.
+     */
+    public static function item_columns( $columns ) {
+
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'title'             => __( 'Name', 'invoicing' ),
+            'price'             => __( 'Price', 'invoicing' ),
+            'vat_rule'          => __( 'VAT rule', 'invoicing' ),
+            'vat_class'         => __( 'VAT class', 'invoicing' ),
+            'type'              => __( 'Type', 'invoicing' ),
+            'shortcode'         => __( 'Shortcode', 'invoicing' ),
+        );
+
+        if ( ! wpinv_use_taxes() ) {
+            unset( $columns['vat_rule'] );
+            unset( $columns['vat_class'] );
+        }
+
+        return apply_filters( 'wpi_item_table_columns', $columns );
+    }
+
+    /**
+     * Returns an array of sortable items table columns.
+     */
+    public static function sortable_item_columns( $columns ) {
+
+        return array_merge(
+            $columns,
+            array(
+                'price'     => 'price',
+                'vat_rule'  => 'vat_rule',
+                'vat_class' => 'vat_class',
+                'type'      => 'type',
+            )
+        );
+
+    }
+
+    /**
+     * Displays items table columns.
+     */
+    public static function display_item_columns( $column_name, $post_id ) {
  
-		$item = new WPInv_Item( $post_id );
+        $item = new WPInv_Item( $post_id );
 
-		switch ( $column_name ) {
+        switch ( $column_name ) {
 
-			case 'price' :
+            case 'price' :
 
-				if ( ! $item->is_recurring() ) {
-					echo $item->get_the_price();
-					break;
-				}
+                if ( ! $item->is_recurring() ) {
+                    echo $item->get_the_price();
+                    break;
+                }
 
-				$price = wp_sprintf(
-					__( '%s / %s', 'invoicing' ),
-					$item->get_the_price(),
-					getpaid_get_subscription_period_label( $item->get_recurring_period(), $item->get_recurring_interval(), '' )
-				);
+                $price = wp_sprintf(
+                    __( '%s / %s', 'invoicing' ),
+                    $item->get_the_price(),
+                    getpaid_get_subscription_period_label( $item->get_recurring_period(), $item->get_recurring_interval(), '' )
+                );
 
-				if ( $item->get_the_price() == $item->get_the_initial_price() ) {
-					echo $price;
-					break;
-				}
+                if ( $item->get_the_price() == $item->get_the_initial_price() ) {
+                    echo $price;
+                    break;
+                }
 
-				echo $item->get_the_initial_price();
+                echo $item->get_the_initial_price();
 
-				echo '<span class="meta">' . wp_sprintf( __( 'then %s', 'invoicing' ), $price )  .'</span>';
-				break;
+                echo '<span class="meta">' . wp_sprintf( __( 'then %s', 'invoicing' ), $price )  .'</span>';
+                break;
 
-			case 'vat_rule' :
-				echo getpaid_get_tax_rule_label( $item->get_vat_rule() );
-				break;
+            case 'vat_rule' :
+                echo getpaid_get_tax_rule_label( $item->get_vat_rule() );
+                break;
 
-			case 'vat_class' :
-				echo getpaid_get_tax_class_label( $item->get_vat_class() );
-				break;
+            case 'vat_class' :
+                echo getpaid_get_tax_class_label( $item->get_vat_class() );
+                break;
 
-			case 'shortcode' :
-				echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr( $item->get_id() ) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
-				break;
+            case 'shortcode' :
+                echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr( $item->get_id() ) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
+                break;
 
-			case 'type' :
-				echo wpinv_item_type( $item->get_id() ) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>';
-				break;
+            case 'type' :
+                echo wpinv_item_type( $item->get_id() ) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>';
+                break;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Lets users filter items using taxes.
-	 */
-	public static function add_item_filters( $post_type ) {
+    /**
+     * Lets users filter items using taxes.
+     */
+    public static function add_item_filters( $post_type ) {
 
-		// Abort if we're not dealing with items.
-		if ( $post_type != 'wpi_item' ) {
-			return;
-		}
+        // Abort if we're not dealing with items.
+        if ( $post_type != 'wpi_item' ) {
+            return;
+        }
 
-		// Filter by vat rules.
-		if ( wpinv_use_taxes() ) {
+        // Filter by vat rules.
+        if ( wpinv_use_taxes() ) {
 	
-			// Sanitize selected vat rule.
-			$vat_rule   = '';
-			$vat_rules  = getpaid_get_tax_rules();
-			if ( isset( $_GET['vat_rule'] ) ) {
-				$vat_rule   =  $_GET['vat_rule'];
-			}
-
-			// Filter by VAT rule.
-			echo wpinv_html_select(
-				array(
-					'options'          => array_merge(
-						array(
-							'' => __( 'All VAT rules', 'invoicing' )
-						),
-						$vat_rules
-					),
-					'name'             => 'vat_rule',
-					'id'               => 'vat_rule',
-					'selected'         => in_array( $vat_rule, array_keys( $vat_rules ) ) ? $vat_rule : '',
-					'show_option_all'  => false,
-					'show_option_none' => false,
-				)
-			);
-
-			// Filter by VAT class.
+            // Sanitize selected vat rule.
+            $vat_rule   = '';
+            $vat_rules  = getpaid_get_tax_rules();
+            if ( isset( $_GET['vat_rule'] ) ) {
+                $vat_rule   =  $_GET['vat_rule'];
+            }
+
+            // Filter by VAT rule.
+            echo wpinv_html_select(
+                array(
+                    'options'          => array_merge(
+                        array(
+                            '' => __( 'All VAT rules', 'invoicing' )
+                        ),
+                        $vat_rules
+                    ),
+                    'name'             => 'vat_rule',
+                    'id'               => 'vat_rule',
+                    'selected'         => in_array( $vat_rule, array_keys( $vat_rules ) ) ? $vat_rule : '',
+                    'show_option_all'  => false,
+                    'show_option_none' => false,
+                )
+            );
+
+            // Filter by VAT class.
 	
-			// Sanitize selected vat rule.
-			$vat_class   = '';
-			$vat_classes = getpaid_get_tax_classes();
-			if ( isset( $_GET['vat_class'] ) ) {
-				$vat_class   =  $_GET['vat_class'];
-			}
-
-			echo wpinv_html_select(
-				array(
-					'options'          => array_merge(
-						array(
-							'' => __( 'All VAT classes', 'invoicing' )
-						),
-						$vat_classes
-					),
-					'name'             => 'vat_class',
-					'id'               => 'vat_class',
-					'selected'         => in_array( $vat_class, array_keys( $vat_classes ) ) ? $vat_class : '',
-					'show_option_all'  => false,
-					'show_option_none' => false,
-				)
-			);
-
-		}
-
-		// Filter by item type.
-		$type   = '';
-		if ( isset( $_GET['type'] ) ) {
-			$type   =  $_GET['type'];
-		}
-
-		echo wpinv_html_select(
-			array(
-				'options'          => array_merge(
-					array(
-						'' => __( 'All item types', 'invoicing' )
-					),
-					wpinv_get_item_types()
-				),
-				'name'             => 'type',
-				'id'               => 'type',
-				'selected'         => in_array( $type, wpinv_item_types() ) ? $type : '',
-				'show_option_all'  => false,
-				'show_option_none' => false,
-			)
-		);
-
-	}
-
-	/**
-	 * Filters the item query.
-	 */
-	public static function filter_item_query( $query ) {
-
-		// modify the query only if it admin and main query.
-		if ( ! ( is_admin() && $query->is_main_query() ) ){ 
-			return $query;
-		}
-
-		// we want to modify the query for our items.
-		if ( empty( $query->query['post_type'] ) || 'wpi_item' != $query->query['post_type'] ){
-			return $query;
-		}
-
-		if ( empty( $query->query_vars['meta_query'] ) ) {
-			$query->query_vars['meta_query'] = array();
-		}
-
-		// Filter vat rule type
+            // Sanitize selected vat rule.
+            $vat_class   = '';
+            $vat_classes = getpaid_get_tax_classes();
+            if ( isset( $_GET['vat_class'] ) ) {
+                $vat_class   =  $_GET['vat_class'];
+            }
+
+            echo wpinv_html_select(
+                array(
+                    'options'          => array_merge(
+                        array(
+                            '' => __( 'All VAT classes', 'invoicing' )
+                        ),
+                        $vat_classes
+                    ),
+                    'name'             => 'vat_class',
+                    'id'               => 'vat_class',
+                    'selected'         => in_array( $vat_class, array_keys( $vat_classes ) ) ? $vat_class : '',
+                    'show_option_all'  => false,
+                    'show_option_none' => false,
+                )
+            );
+
+        }
+
+        // Filter by item type.
+        $type   = '';
+        if ( isset( $_GET['type'] ) ) {
+            $type   =  $_GET['type'];
+        }
+
+        echo wpinv_html_select(
+            array(
+                'options'          => array_merge(
+                    array(
+                        '' => __( 'All item types', 'invoicing' )
+                    ),
+                    wpinv_get_item_types()
+                ),
+                'name'             => 'type',
+                'id'               => 'type',
+                'selected'         => in_array( $type, wpinv_item_types() ) ? $type : '',
+                'show_option_all'  => false,
+                'show_option_none' => false,
+            )
+        );
+
+    }
+
+    /**
+     * Filters the item query.
+     */
+    public static function filter_item_query( $query ) {
+
+        // modify the query only if it admin and main query.
+        if ( ! ( is_admin() && $query->is_main_query() ) ){ 
+            return $query;
+        }
+
+        // we want to modify the query for our items.
+        if ( empty( $query->query['post_type'] ) || 'wpi_item' != $query->query['post_type'] ){
+            return $query;
+        }
+
+        if ( empty( $query->query_vars['meta_query'] ) ) {
+            $query->query_vars['meta_query'] = array();
+        }
+
+        // Filter vat rule type
         if ( ! empty( $_GET['vat_rule'] ) ) {
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_vat_rule',
@@ -751,97 +751,97 @@ 
                 'value'   => sanitize_text_field( $_GET['type'] ),
                 'compare' => '='
             );
-		}
-
-	}
-
-	/**
-	 * Reorders items.
-	 */
-	public static function reorder_items( $vars ) {
-		global $typenow;
-
-		if ( 'wpi_item' !== $typenow || empty( $vars['orderby'] ) ) {
-			return $vars;
-		}
-
-		// By item type.
-		if ( 'type' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_type',
-					'orderby'  => 'meta_value'
-				)
-			);
-		}
-
-		// By vat class.
-		if ( 'vat_class' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_vat_class',
-					'orderby'  => 'meta_value'
-				)
-			);
-		}
-
-		// By vat rule.
-		if ( 'vat_rule' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_vat_rule',
-					'orderby'  => 'meta_value'
-				)
-			);
-		}
-
-		// By price.
-		if ( 'price' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_price',
-					'orderby'  => 'meta_value_num'
-				)
-			);
-		}
-
-		return $vars;
-
-	}
-
-	/**
-	 * Fired when deleting a post.
-	 */
-	public static function delete_post( $post_id ) {
-
-		switch ( get_post_type( $post_id ) ) {
-
-			case 'wpi_item' :
-				do_action( "getpaid_before_delete_item", new WPInv_Item( $post_id ) );
-				break;
-
-			case 'wpi_payment_form' :
-				do_action( "getpaid_before_delete_payment_form", new GetPaid_Payment_Form( $post_id ) );
-				break;
-
-			case 'wpi_discount' :
-				do_action( "getpaid_before_delete_discount", new WPInv_Discount( $post_id ) );
-				break;
-
-			case 'wpi_invoice' :
-				$invoice = new WPInv_Invoice( $post_id );
-				do_action( "getpaid_before_delete_invoice", $invoice );
-				$invoice->get_data_store()->delete_items( $invoice );
-				$invoice->get_data_store()->delete_special_fields( $invoice );
-				break;
-		}
-	}
-
-	/**
+        }
+
+    }
+
+    /**
+     * Reorders items.
+     */
+    public static function reorder_items( $vars ) {
+        global $typenow;
+
+        if ( 'wpi_item' !== $typenow || empty( $vars['orderby'] ) ) {
+            return $vars;
+        }
+
+        // By item type.
+        if ( 'type' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_type',
+                    'orderby'  => 'meta_value'
+                )
+            );
+        }
+
+        // By vat class.
+        if ( 'vat_class' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_vat_class',
+                    'orderby'  => 'meta_value'
+                )
+            );
+        }
+
+        // By vat rule.
+        if ( 'vat_rule' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_vat_rule',
+                    'orderby'  => 'meta_value'
+                )
+            );
+        }
+
+        // By price.
+        if ( 'price' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_price',
+                    'orderby'  => 'meta_value_num'
+                )
+            );
+        }
+
+        return $vars;
+
+    }
+
+    /**
+     * Fired when deleting a post.
+     */
+    public static function delete_post( $post_id ) {
+
+        switch ( get_post_type( $post_id ) ) {
+
+            case 'wpi_item' :
+                do_action( "getpaid_before_delete_item", new WPInv_Item( $post_id ) );
+                break;
+
+            case 'wpi_payment_form' :
+                do_action( "getpaid_before_delete_payment_form", new GetPaid_Payment_Form( $post_id ) );
+                break;
+
+            case 'wpi_discount' :
+                do_action( "getpaid_before_delete_discount", new WPInv_Discount( $post_id ) );
+                break;
+
+            case 'wpi_invoice' :
+                $invoice = new WPInv_Invoice( $post_id );
+                do_action( "getpaid_before_delete_invoice", $invoice );
+                $invoice->get_data_store()->delete_items( $invoice );
+                $invoice->get_data_store()->delete_special_fields( $invoice );
+                break;
+        }
+    }
+
+    /**
      * Add a post display state for special GetPaid pages in the page list table.
      *
      * @param array   $post_states An array of post display states.
@@ -855,22 +855,22 @@ 
             $post_states['getpaid_success_page'] = __( 'GetPaid Receipt Page', 'invoicing' );
         }
 
-		foreach ( getpaid_get_invoice_post_types() as $post_type => $label ) {
+        foreach ( getpaid_get_invoice_post_types() as $post_type => $label ) {
 
-			if ( wpinv_get_option( "{$post_type}_history_page", 0 ) == $post->ID ) {
-				$post_states["getpaid_{$post_type}_history_page"] = sprintf(
-					__( 'GetPaid %s History Page', 'invoicing' ),
-					$label
-				);
-			}
+            if ( wpinv_get_option( "{$post_type}_history_page", 0 ) == $post->ID ) {
+                $post_states["getpaid_{$post_type}_history_page"] = sprintf(
+                    __( 'GetPaid %s History Page', 'invoicing' ),
+                    $label
+                );
+            }
 
-		}
+        }
 		
-		if ( wpinv_get_option( 'invoice_subscription_page', 0 ) == $post->ID ) {
+        if ( wpinv_get_option( 'invoice_subscription_page', 0 ) == $post->ID ) {
             $post_states['getpaid_invoice_subscription_page'] = __( 'GetPaid Subscription Page', 'invoicing' );
         }
 
-		if ( wpinv_get_option( 'checkout_page', 0 ) == $post->ID ) {
+        if ( wpinv_get_option( 'checkout_page', 0 ) == $post->ID ) {
             $post_states['getpaid_checkout_page'] = __( 'GetPaid Checkout Page', 'invoicing' );
         }