AyeCode / invoicing

includes/admin/subscriptions.php

Indentation +203 added lines, -203 removed lines

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

Spacing +119 added lines, -119 removed lines

@@ -3,7 +3,7 @@ 
  * Contains functions that display the subscriptions admin page.
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Render the Subscriptions page
@@ -17,22 +17,22 @@ 
 	?>
 
 	<div class="wrap">
-		<h1><?php echo esc_html( get_admin_page_title() ); ?></h1>
+		<h1><?php echo esc_html(get_admin_page_title()); ?></h1>
 		<div class="bsui">
 
 			<?php
 
 				// Verify user permissions.
-				if ( ! wpinv_current_user_can_manage_invoicing() ) {
+				if (!wpinv_current_user_can_manage_invoicing()) {
 
 					echo aui()->alert(
 						array(
 							'type'    => 'danger',
-							'content' => __( 'You are not permitted to view this page.', 'invoicing' ),
+							'content' => __('You are not permitted to view this page.', 'invoicing'),
 						)
 					);
 
-				} else if ( ! empty( $_GET['id'] ) && is_numeric( $_GET['id'] ) ) {
+				} else if (!empty($_GET['id']) && is_numeric($_GET['id'])) {
 
 					// Display a single subscription.
 					wpinv_recurring_subscription_details();
@@ -81,13 +81,13 @@ 
 function wpinv_recurring_subscription_details() {
 
 	// Fetch the subscription.
-	$sub = new WPInv_Subscription( (int) $_GET['id'] );
-	if ( ! $sub->get_id() ) {
+	$sub = new WPInv_Subscription((int) $_GET['id']);
+	if (!$sub->get_id()) {
 
 		echo aui()->alert(
 			array(
 				'type'    => 'danger',
-				'content' => __( 'Subscription not found.', 'invoicing' ),
+				'content' => __('Subscription not found.', 'invoicing'),
 			)
 		);
 
@@ -95,31 +95,31 @@ 
 	}
 
 	// Use metaboxes to display the subscription details.
-	add_meta_box( 'getpaid_admin_subscription_details_metabox', __( 'Subscription Details', 'invoicing' ), 'getpaid_admin_subscription_details_metabox', get_current_screen(), 'normal' );
-	add_meta_box( 'getpaid_admin_subscription_update_metabox', __( 'Change Status', 'invoicing' ), 'getpaid_admin_subscription_update_metabox', get_current_screen(), 'side' );
-	add_meta_box( 'getpaid_admin_subscription_invoice_details_metabox', __( 'Invoices', 'invoicing' ), 'getpaid_admin_subscription_invoice_details_metabox', get_current_screen(), 'advanced' );
-	do_action( 'getpaid_admin_single_subscription_register_metabox', $sub );
+	add_meta_box('getpaid_admin_subscription_details_metabox', __('Subscription Details', 'invoicing'), 'getpaid_admin_subscription_details_metabox', get_current_screen(), 'normal');
+	add_meta_box('getpaid_admin_subscription_update_metabox', __('Change Status', 'invoicing'), 'getpaid_admin_subscription_update_metabox', get_current_screen(), 'side');
+	add_meta_box('getpaid_admin_subscription_invoice_details_metabox', __('Invoices', 'invoicing'), 'getpaid_admin_subscription_invoice_details_metabox', get_current_screen(), 'advanced');
+	do_action('getpaid_admin_single_subscription_register_metabox', $sub);
 
 	?>
 
-		<form method="post" action="<?php echo admin_url( 'admin.php?page=wpinv-subscriptions&id=' . absint( $sub->get_id() ) ); ?>">
+		<form method="post" action="<?php echo admin_url('admin.php?page=wpinv-subscriptions&id=' . absint($sub->get_id())); ?>">
 
-			<?php wp_nonce_field( 'getpaid-nonce', 'getpaid-nonce' ); ?>
-			<?php wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); ?>
-			<?php wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); ?>
+			<?php wp_nonce_field('getpaid-nonce', 'getpaid-nonce'); ?>
+			<?php wp_nonce_field('meta-box-order', 'meta-box-order-nonce', false); ?>
+			<?php wp_nonce_field('closedpostboxes', 'closedpostboxesnonce', false); ?>
 			<input type="hidden" name="getpaid-admin-action" value="update_single_subscription" />
-			<input type="hidden" name="subscription_id" value="<?php echo (int) $sub->get_id() ;?>" />
+			<input type="hidden" name="subscription_id" value="<?php echo (int) $sub->get_id(); ?>" />
 
 			<div id="poststuff">
 				<div id="post-body" class="metabox-holder columns-<?php echo 1 == get_current_screen()->get_columns() ? '1' : '2'; ?>">
 
 					<div id="postbox-container-1" class="postbox-container">
-						<?php do_meta_boxes( get_current_screen(), 'side', $sub ); ?>
+						<?php do_meta_boxes(get_current_screen(), 'side', $sub); ?>
 					</div>
 
 					<div id="postbox-container-2" class="postbox-container">
-						<?php do_meta_boxes( get_current_screen(), 'normal', $sub ); ?>
-						<?php do_meta_boxes( get_current_screen(), 'advanced', $sub ); ?>
+						<?php do_meta_boxes(get_current_screen(), 'normal', $sub); ?>
+						<?php do_meta_boxes(get_current_screen(), 'advanced', $sub); ?>
 					</div>
 
 				</div>
@@ -138,40 +138,40 @@ 
  *
  * @param WPInv_Subscription $sub
  */
-function getpaid_admin_subscription_details_metabox( $sub ) {
+function getpaid_admin_subscription_details_metabox($sub) {
 
 	// Prepare subscription detail columns.
 	$fields = apply_filters(
 		'getpaid_subscription_admin_page_fields',
 		array(
-			'subscription'   => __( 'Subscription', 'invoicing' ),
-			'customer'       => __( 'Customer', 'invoicing' ),
-			'amount'         => __( 'Amount', 'invoicing' ),
-			'start_date'     => __( 'Start Date', 'invoicing' ),
-			'renews_on'      => __( 'Next Payment', 'invoicing' ),
-			'renewals'       => __( 'Payments', 'invoicing' ),
-			'item'           => __( 'Item', 'invoicing' ),
-			'gateway'        => __( 'Payment Method', 'invoicing' ),
-			'profile_id'     => __( 'Profile ID', 'invoicing' ),
-			'status'         => __( 'Status', 'invoicing' ),
+			'subscription'   => __('Subscription', 'invoicing'),
+			'customer'       => __('Customer', 'invoicing'),
+			'amount'         => __('Amount', 'invoicing'),
+			'start_date'     => __('Start Date', 'invoicing'),
+			'renews_on'      => __('Next Payment', 'invoicing'),
+			'renewals'       => __('Payments', 'invoicing'),
+			'item'           => __('Item', 'invoicing'),
+			'gateway'        => __('Payment Method', 'invoicing'),
+			'profile_id'     => __('Profile ID', 'invoicing'),
+			'status'         => __('Status', 'invoicing'),
 		)
 	);
 
-	if ( ! $sub->is_active() ) {
+	if (!$sub->is_active()) {
 
-		if ( isset( $fields['renews_on'] ) ) {
-			unset( $fields['renews_on'] );
+		if (isset($fields['renews_on'])) {
+			unset($fields['renews_on']);
 		}
 
-		if ( isset( $fields['gateway'] ) ) {
-			unset( $fields['gateway'] );
+		if (isset($fields['gateway'])) {
+			unset($fields['gateway']);
 		}
 		
 	}
 
 	$profile_id = $sub->get_profile_id();
-	if ( empty( $profile_id ) && isset( $fields['profile_id'] ) ) {
-		unset( $fields['profile_id'] );
+	if (empty($profile_id) && isset($fields['profile_id'])) {
+		unset($fields['profile_id']);
 	}
 
 	?>
@@ -179,16 +179,16 @@ 
 		<table class="table table-borderless" style="font-size: 14px;">
 			<tbody>
 
-				<?php foreach ( $fields as $key => $label ) : ?>
+				<?php foreach ($fields as $key => $label) : ?>
 
-					<tr class="getpaid-subscription-meta-<?php echo sanitize_html_class( $key ); ?>">
+					<tr class="getpaid-subscription-meta-<?php echo sanitize_html_class($key); ?>">
 
 						<th class="w-25" style="font-weight: 500;">
-							<?php echo sanitize_text_field( $label ); ?>
+							<?php echo sanitize_text_field($label); ?>
 						</th>
 
 						<td class="w-75 text-muted">
-							<?php do_action( 'getpaid_subscription_admin_display_' . sanitize_text_field( $key ), $sub ); ?>
+							<?php do_action('getpaid_subscription_admin_display_' . sanitize_text_field($key), $sub); ?>
 						</td>
 
 					</tr>
@@ -206,150 +206,150 @@ 
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_customer( $subscription ) {
+function getpaid_admin_subscription_metabox_display_customer($subscription) {
 
-	$username = __( '(Missing User)', 'invoicing' );
+	$username = __('(Missing User)', 'invoicing');
 
-	$user = get_userdata( $subscription->get_customer_id() );
-	if ( $user ) {
+	$user = get_userdata($subscription->get_customer_id());
+	if ($user) {
 
 		$username = sprintf(
 			'<a href="user-edit.php?user_id=%s">%s</a>',
-			absint( $user->ID ),
-			! empty( $user->display_name ) ? sanitize_text_field( $user->display_name ) : sanitize_email( $user->user_email )
+			absint($user->ID),
+			!empty($user->display_name) ? sanitize_text_field($user->display_name) : sanitize_email($user->user_email)
 		);
 
 	}
 
 	echo  $username;
 }
-add_action( 'getpaid_subscription_admin_display_customer', 'getpaid_admin_subscription_metabox_display_customer' );
+add_action('getpaid_subscription_admin_display_customer', 'getpaid_admin_subscription_metabox_display_customer');
 
 /**
  * Displays the subscription amount.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_amount( $subscription ) {
-	$amount    = sanitize_text_field( getpaid_get_formatted_subscription_amount( $subscription ) );
+function getpaid_admin_subscription_metabox_display_amount($subscription) {
+	$amount = sanitize_text_field(getpaid_get_formatted_subscription_amount($subscription));
 	echo "<span>$amount</span>";
 }
-add_action( 'getpaid_subscription_admin_display_amount', 'getpaid_admin_subscription_metabox_display_amount' );
+add_action('getpaid_subscription_admin_display_amount', 'getpaid_admin_subscription_metabox_display_amount');
 
 /**
  * Displays the subscription id.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_id( $subscription ) {
-	echo  '#' . absint( $subscription->get_id() );
+function getpaid_admin_subscription_metabox_display_id($subscription) {
+	echo  '#' . absint($subscription->get_id());
 }
-add_action( 'getpaid_subscription_admin_display_subscription', 'getpaid_admin_subscription_metabox_display_id' );
+add_action('getpaid_subscription_admin_display_subscription', 'getpaid_admin_subscription_metabox_display_id');
 
 /**
  * Displays the subscription renewal date.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_start_date( $subscription ) {
-	echo getpaid_format_date_value( $subscription->get_date_created() );
+function getpaid_admin_subscription_metabox_display_start_date($subscription) {
+	echo getpaid_format_date_value($subscription->get_date_created());
 }
-add_action( 'getpaid_subscription_admin_display_start_date', 'getpaid_admin_subscription_metabox_display_start_date' );
+add_action('getpaid_subscription_admin_display_start_date', 'getpaid_admin_subscription_metabox_display_start_date');
 
 /**
  * Displays the subscription renewal date.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_renews_on( $subscription ) {
-	echo getpaid_format_date_value( $subscription->get_expiration() );
+function getpaid_admin_subscription_metabox_display_renews_on($subscription) {
+	echo getpaid_format_date_value($subscription->get_expiration());
 }
-add_action( 'getpaid_subscription_admin_display_renews_on', 'getpaid_admin_subscription_metabox_display_renews_on' );
+add_action('getpaid_subscription_admin_display_renews_on', 'getpaid_admin_subscription_metabox_display_renews_on');
 
 /**
  * Displays the subscription renewal count.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_renewals( $subscription ) {
+function getpaid_admin_subscription_metabox_display_renewals($subscription) {
 	$max_bills = $subscription->get_bill_times();
-	echo $subscription->get_times_billed() . ' / ' . ( empty( $max_bills ) ? "&infin;" : $max_bills );
+	echo $subscription->get_times_billed() . ' / ' . (empty($max_bills) ? "&infin;" : $max_bills);
 }
-add_action( 'getpaid_subscription_admin_display_renewals', 'getpaid_admin_subscription_metabox_display_renewals' );
+add_action('getpaid_subscription_admin_display_renewals', 'getpaid_admin_subscription_metabox_display_renewals');
 /**
  * Displays the subscription item.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_item( $subscription ) {
+function getpaid_admin_subscription_metabox_display_item($subscription) {
 
-	$item = get_post( $subscription->get_product_id() );
+	$item = get_post($subscription->get_product_id());
 
-	if ( ! empty( $item ) ) {
-		$link = get_edit_post_link( $item );
-		$link = esc_url( $link );
-		$name = esc_html( get_the_title( $item ) );
+	if (!empty($item)) {
+		$link = get_edit_post_link($item);
+		$link = esc_url($link);
+		$name = esc_html(get_the_title($item));
 		echo "<a href='$link'>$name</a>";
 	} else {
-		echo sprintf( __( 'Item #%s', 'invoicing' ), $subscription->get_product_id() );
+		echo sprintf(__('Item #%s', 'invoicing'), $subscription->get_product_id());
 	}
 
 }
-add_action( 'getpaid_subscription_admin_display_item', 'getpaid_admin_subscription_metabox_display_item' );
+add_action('getpaid_subscription_admin_display_item', 'getpaid_admin_subscription_metabox_display_item');
 
 /**
  * Displays the subscription gateway.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_gateway( $subscription ) {
+function getpaid_admin_subscription_metabox_display_gateway($subscription) {
 
 	$gateway = $subscription->get_gateway();
 
-	if ( ! empty( $gateway ) ) {
-		echo sanitize_text_field( wpinv_get_gateway_admin_label( $gateway ) );
+	if (!empty($gateway)) {
+		echo sanitize_text_field(wpinv_get_gateway_admin_label($gateway));
 	} else {
 		echo "&mdash;";
 	}
 
 }
-add_action( 'getpaid_subscription_admin_display_gateway', 'getpaid_admin_subscription_metabox_display_gateway' );
+add_action('getpaid_subscription_admin_display_gateway', 'getpaid_admin_subscription_metabox_display_gateway');
 
 /**
  * Displays the subscription status.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_status( $subscription ) {
+function getpaid_admin_subscription_metabox_display_status($subscription) {
 	echo $subscription->get_status_label_html();
 }
-add_action( 'getpaid_subscription_admin_display_status', 'getpaid_admin_subscription_metabox_display_status' );
+add_action('getpaid_subscription_admin_display_status', 'getpaid_admin_subscription_metabox_display_status');
 
 /**
  * Displays the subscription profile id.
  *
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_metabox_display_profile_id( $subscription ) {
+function getpaid_admin_subscription_metabox_display_profile_id($subscription) {
 
 	$profile_id = $subscription->get_profile_id();
 
-	if ( ! empty( $profile_id ) ) {
-		$profile_id = sanitize_text_field( $profile_id );
-		echo apply_filters( 'getpaid_subscription_profile_id_display', $profile_id, $subscription );
+	if (!empty($profile_id)) {
+		$profile_id = sanitize_text_field($profile_id);
+		echo apply_filters('getpaid_subscription_profile_id_display', $profile_id, $subscription);
 	} else {
 		echo "&mdash;";
 	}
 
 }
-add_action( 'getpaid_subscription_admin_display_profile_id', 'getpaid_admin_subscription_metabox_display_profile_id' );
+add_action('getpaid_subscription_admin_display_profile_id', 'getpaid_admin_subscription_metabox_display_profile_id');
 
 /**
  * Displays the subscriptions update metabox.
  * 
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_update_metabox( $subscription ) {
+function getpaid_admin_subscription_update_metabox($subscription) {
 
 	?>
 	<div class="mt-3">
@@ -362,10 +362,10 @@ 
 					'id'               => 'subscription_status_update_select',
 					'required'         => true,
 					'no_wrap'          => false,
-					'label'            => __( 'Subscription Status', 'invoicing' ),
-					'help_text'        => __( 'Updating the status will trigger related actions and hooks', 'invoicing' ),
+					'label'            => __('Subscription Status', 'invoicing'),
+					'help_text'        => __('Updating the status will trigger related actions and hooks', 'invoicing'),
 					'select2'          => true,
-					'value'            => $subscription->get_status( 'edit' ),
+					'value'            => $subscription->get_status('edit'),
 				)
 			);
 		?>
@@ -373,13 +373,13 @@ 
 		<div class="mt-2 px-3 py-2 bg-light border-top" style="margin: -12px;">
 	
 		<?php
-			submit_button( __( 'Update', 'invoicing' ), 'primary', 'submit', false );
+			submit_button(__('Update', 'invoicing'), 'primary', 'submit', false);
 
-			$url    = esc_url( wp_nonce_url( add_query_arg( 'getpaid-admin-action', 'subscription_manual_renew' ), 'getpaid-nonce', 'getpaid-nonce' ) );
-			$anchor = __( 'Renew Subscription', 'invoicing' );
-			$title  = esc_attr__( 'Are you sure you want to extend the subscription and generate a new invoice that will be automatically marked as paid?', 'invoicing' );
+			$url    = esc_url(wp_nonce_url(add_query_arg('getpaid-admin-action', 'subscription_manual_renew'), 'getpaid-nonce', 'getpaid-nonce'));
+			$anchor = __('Renew Subscription', 'invoicing');
+			$title  = esc_attr__('Are you sure you want to extend the subscription and generate a new invoice that will be automatically marked as paid?', 'invoicing');
 
-			if ( $subscription->is_active() ) {
+			if ($subscription->is_active()) {
 				echo "<a href='$url' class='float-right text-muted' onclick='return confirm(\"$title\")'>$anchor</a>";
 			}
 
@@ -391,16 +391,16 @@ 
  * 
  * @param WPInv_Subscription $subscription
  */
-function getpaid_admin_subscription_invoice_details_metabox( $subscription ) {
+function getpaid_admin_subscription_invoice_details_metabox($subscription) {
 
 	$columns = apply_filters(
 		'getpaid_subscription_related_invoices_columns',
 		array(
-			'invoice'      => __( 'Invoice', 'invoicing' ),
-			'relationship' => __( 'Relationship', 'invoicing' ),
-			'date'         => __( 'Date', 'invoicing' ),
-			'status'       => __( 'Status', 'invoicing' ),
-			'total'        => __( 'Total', 'invoicing' ),
+			'invoice'      => __('Invoice', 'invoicing'),
+			'relationship' => __('Relationship', 'invoicing'),
+			'date'         => __('Date', 'invoicing'),
+			'status'       => __('Status', 'invoicing'),
+			'total'        => __('Total', 'invoicing'),
 		),
 		$subscription
 	);
@@ -409,13 +409,13 @@ 
 	$payments = $subscription->get_child_payments();
 	$parent   = $subscription->get_parent_invoice();
 
-	if ( $parent->get_id() ) {
-		$payments = array_merge( array( $parent ), $payments );
+	if ($parent->get_id()) {
+		$payments = array_merge(array($parent), $payments);
 	}
 	
 	$table_class = 'w-100 bg-white';
 
-	if ( ! is_admin() ) {
+	if (!is_admin()) {
 		$table_class = 'table table-bordered table-striped';
 	}
 
@@ -427,9 +427,9 @@ 
 				<thead>
 					<tr>
 						<?php
-							foreach ( $columns as $key => $label ) {
-								$key   = esc_attr( $key );
-								$label = sanitize_text_field( $label );
+							foreach ($columns as $key => $label) {
+								$key   = esc_attr($key);
+								$label = sanitize_text_field($label);
 
 								echo "<th class='subscription-invoice-field-$key bg-light p-2 text-left color-dark'>$label</th>";
 							}
@@ -439,50 +439,50 @@ 
 
 				<tbody>
 
-					<?php if ( empty( $payments ) ) : ?>
+					<?php if (empty($payments)) : ?>
 						<tr>
 							<td colspan="<?php echo count($columns); ?>" class="p-2 text-left text-muted">
-								<?php _e( 'This subscription has no invoices.', 'invoicing' ); ?>
+								<?php _e('This subscription has no invoices.', 'invoicing'); ?>
 							</td>
 						</tr>
 					<?php endif; ?>
 
 					<?php
 
-						foreach( $payments as $payment ) :
+						foreach ($payments as $payment) :
 
 							// Ensure that we have an invoice.
-							$payment = new WPInv_Invoice( $payment );
+							$payment = new WPInv_Invoice($payment);
 
 							// Abort if the invoice is invalid.
-							if ( ! $payment->get_id() ) {
+							if (!$payment->get_id()) {
 								continue;
 							}
 
 							echo '<tr>';
 
-								foreach ( array_keys( $columns ) as $key ) {
+								foreach (array_keys($columns) as $key) {
 
 									echo '<td class="p-2 text-left">';
 
-										switch( $key ) {
+										switch ($key) {
 
 											case 'total':
-												echo '<strong>' . wpinv_price( wpinv_format_amount( wpinv_sanitize_amount( $payment->get_total() ) ), $payment->get_currency() ) . '</strong>';
+												echo '<strong>' . wpinv_price(wpinv_format_amount(wpinv_sanitize_amount($payment->get_total())), $payment->get_currency()) . '</strong>';
 												break;
 
 											case 'relationship':
-												echo $payment->is_renewal() ? __( 'Renewal Invoice', 'invoicing' ) : __( 'Initial Invoice', 'invoicing' );
+												echo $payment->is_renewal() ? __('Renewal Invoice', 'invoicing') : __('Initial Invoice', 'invoicing');
 												break;
 
 											case 'date':
-												echo getpaid_format_date_value( $payment->get_date_created() );
+												echo getpaid_format_date_value($payment->get_date_created());
 												break;
 
 											case 'status':
 
 												$status = $payment->get_status_nicename();
-												if ( is_admin() ) {
+												if (is_admin()) {
 													$status = $payment->get_status_label_html();
 												}
 
@@ -490,13 +490,13 @@ 
 												break;
 
 											case 'invoice':
-												$link    = esc_url( get_edit_post_link( $payment->get_id() ) );
+												$link = esc_url(get_edit_post_link($payment->get_id()));
 
-												if ( ! is_admin() ) {
-													$link = esc_url( $payment->get_view_url() );
+												if (!is_admin()) {
+													$link = esc_url($payment->get_view_url());
 												}
 
-												$invoice = sanitize_text_field( $payment->get_number() );
+												$invoice = sanitize_text_field($payment->get_number());
 												echo "<a href='$link'>$invoice</a>";
 												break;
 										}