[Membership 2] - Forces Pending status to new subscription made from admin

ms-force-pending-status.php

<?php
/*
Plugin Name: [Membership] - Force Pending status
Plugin URI: https://premium.wpmudev.org/
Description: Forces Pending status to new subscription made from admin
Author: Panos Lyrakis @ WPMUDEV
Author URI: https://premium.wpmudev.org/
License: GPLv2 or later
*/
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'WPMUDEV_MS_Force_Pending' ) ) {
	
	class WPMUDEV_MS_Force_Pending {

		private static $_instance = null;

		public static function get_instance() {

			if( is_null( self::$_instance ) ){
				self::$_instance = new WPMUDEV_MS_Force_Pending();
			}

			return self::$_instance;
		}

		public function __construct() {

			add_action( 'ms_model_member_add_membership', array( $this, 'update_subscription_status' ), 10, 5 );
			add_action( 'ms_model_relationship_handle_status_change_after', array( $this, 'send_notification' ), 10, 2 );

			// Use a custom page to list pending subscriptions from where we can activate or remove completelly
			add_action( 'admin_menu', array(&$this, 'register_sub_menu'), 20 );
			add_action( 'load-membership-2_page_manage-pending-memberships', array( $this, 'manage_status_action' ) );

			//add_filter( 'ms_model_member_get_subscription', array( $this, 'member_get_subscription_filter' ), 10, 3 );

		}

		public function update_subscription_status( $subscription, $membership_id, $gateway_id, $move_from_id, $MS_Model_Member ){
		
			global $pagenow;

			if( ! is_admin() || $pagenow != 'admin.php' || ! isset( $_GET['page'] ) || $_GET['page'] != 'membership2-add-member' ){
				return $subscription;
			}

			$data = $_POST;

			if( empty( $data ) || 
				! isset( $data['action'] ) || $data['action'] != 'member_subscription' ||
				! isset( $data['user_id'] ) || ! is_numeric( $data['user_id'] ) ){
				return $subscription;
			}

			if( ! $data['subscribe'] || empty( $data['subscribe'] ) ){
				return $subscription;
			}
				
			$invoices = $subscription->get_invoices();
			if( empty( $invoices ) ){

				$invoice = $subscription->get_next_invoice();
				$invoice->status = MS_Model_Invoice::STATUS_PENDING;
				$invoice->changed();

				$subscription->handle_status_change( MS_Model_Relationship::STATUS_PENDING );
			}

			//$subscription->handle_status_change( MS_Model_Relationship::STATUS_PENDING );

			return $subscription;
		}


		public static function send_notification( $status, $subscription ){

			global $pagenow;

			if( ! is_admin() || $pagenow != 'admin.php' || ! isset( $_GET['page'] ) || $_GET['page'] != 'membership2-add-member' ){
				return;
			}

			$data = $_POST;

			if( empty( $data ) || 
				! isset( $data['action'] ) || $data['action'] != 'member_subscription' ||
				! isset( $data['user_id'] ) || ! is_numeric( $data['user_id'] ) ){
				return;
			}

			if( ! isset( $data['subscribe'] ) || empty( $data['subscribe'] ) ){
				return;
			}

			$membership = MS_Factory::load( 'MS_Model_Membership', intval( $subscription->membership_id ) );
			
			$user_id = absint( $data['user_id'] );
			$user = MS_Factory::load( 'MS_Model_Member', $user_id );
			$blog_title = get_bloginfo( 'name' );
			$blog_email = get_bloginfo( 'admin_email' );
			
			$checkout_url = add_query_arg( array(
			    'step' => 'payment_table',
			    'membership_id' => $subscription->membership_id,
			), MS_Model_Pages::get_page_url( MS_Model_Pages::MS_PAGE_MEMBERSHIPS ) );

			$notification_subject 	= "You have a new Pending membership!";
			$notification_body 		= "<p>Hi {$user->name}!</p>";
			$notification_body 		.= "<p>You have a new subscription on {$blog_title} for membership <srong>{$membership->name}</strong> which is currently pending</p>";
			$notification_body 		.= "<p>Please follow this <a href='{$checkout_url}'>activation link</a> in order to activate the subscription</p>";
			$notification_body 		.= "<p>The {$blog_title} team</p>";

			//$headers = array("Content-Type: text/html; charset=UTF-8","From: {$blog_title} <{$blog_email}>");
			wp_mail( $user->email, $notification_subject, $notification_body );
			
		}


		public function register_sub_menu(){
			
			add_submenu_page(
				'membership2',
				__( 'Pending Memberships', 'membership2' ),
				__( 'Manage Pending Memberships', 'membership2' ),
				'manage_options',
				'manage-pending-memberships',
				array( $this, 'pending_page' )
			);
		}

		public function pending_page(){

			global $wpdb;
			$q = "SELECT * FROM {$wpdb->posts} as subscription
				LEFT JOIN {$wpdb->postmeta} as meta
				on subscription.ID = meta.post_id
				WHERE 
				subscription.post_type = 'ms_relationship' AND 
				meta.meta_key = 'status' AND
				meta.meta_value IN ( 'pending', 'expired' )
			";
			$pending_subscriptions = $wpdb->get_results( $q );
		

			?>
			<h1>Pending Memberships</h1>
			<?php

			$table_rows = '';
			$_users = array();
			$_memberships = array();

			foreach ($pending_subscriptions as $key => $subscription) {
				$user_id = $subscription->post_author;
				$membership_id = get_post_meta( $subscription->ID, 'membership_id', true );

				if( ! isset( $_users[$user_id] ) ){
					$_users[$user_id] = (array) get_user_by( 'id', $user_id )->data;					
				}

				if( ! isset( $_memberships[ $membership_id ] ) ){
					$_membership = get_post( $membership_id );
					$_memberships[ $membership_id ] = array(
						'name' => $_membership->post_title
					);
				}

				$user = $_users[$user_id];
				$membership = $_memberships[ $membership_id ];

				$table_rows .= '<tr>';
					//User info
					$table_rows .= '<td>';
						$table_rows .= $user['display_name'] . '<br />( ' . $user['user_email'] . ' )';
					$table_rows .= '</td>';

					//Membership info
					$table_rows .= '<td>';
						$table_rows .= '<strong>' . $membership['name'] . '</strong>';
					$table_rows .= '</td>';

					//Buttons
					$table_rows .= '<td>';
						$table_rows .= '<a class="ms_membership_status_btn button"
											data-action="activate" 
											data-member="' . $user_id . '"
											data-membership="' . $membership_id . '"
										><i class="dashicons dashicons-yes" style="color:green;"></i></a>';
						$table_rows .= '<a class="ms_membership_status_btn button" 
											data-action="cancel" 
											data-member="' . $user_id . '"
											data-membership="' . $membership_id . '"
										><i class="dashicons dashicons-no" style="color:red;"></i></a>';
					$table_rows .= '</td>';


				$table_rows .= '</tr>';

			}

			?>
			<table class="widefat">
				<tr>
					<th>User</th>
					<th>Membership</th>
					<th>Actions</th>
				</tr>
				<?php echo $table_rows; ?>
			</table>

			<form method='post' id="wpmudev_ms_force_sub_status_frm">
				<?php wp_nonce_field( 'wpmudev_ms_force_sub_status_nonce', 'wpmudev_ms_force_sub_status' ); ?>
				<input type="hidden" name="action" />
				<input type="hidden" name="member_id" />
				<input type="hidden" name="membership_id" />
			</form>

			<script type="text/javascript">
				(function($){
					$(document).ready(function(){

						$( '.ms_membership_status_btn' ).on('click', function(e){

							e.preventDefault();

							let form = $( '#wpmudev_ms_force_sub_status_frm' ),
								me = $( this )
								action = me.data( 'action' )
								action_str = (action == 'activate' ? 'Activate' : 'Remove' );


							if( ! confirm("Are you sure you want to " + action_str + " this membership? ") ){
								return;
							}

							

							form.find( 'input[name=action]' ).val( action );
							form.find( 'input[name=member_id]' ).val( me.data( 'member' ) );
							form.find( 'input[name=membership_id]' ).val( me.data( 'membership' ) );
							form.submit();

						});

					});
				})(jQuery);
			</script>
			<?php
		}


		public function manage_status_action(){

			if ( 
			    ! isset( $_POST['wpmudev_ms_force_sub_status'] ) 
			    || ! wp_verify_nonce( $_POST['wpmudev_ms_force_sub_status'], 'wpmudev_ms_force_sub_status_nonce' ) 
			) {
			   return;
			}

			$membership_id = intval( $_POST['membership_id'] );
			$member_id = intval( $_POST['member_id'] );
			$action = $_POST['action'];
			$subscription = MS_Model_Relationship::get_subscription( $member_id, $membership_id );
			$subscription->status = MS_Model_Relationship::STATUS_ACTIVE;

			if( $action == 'activate' ){				
				$invoice = MS_Model_Invoice::get_current_invoice( $subscription );
				update_post_meta( $invoice->id, 'status', MS_Model_Invoice::STATUS_PAID );
				update_post_meta( $subscription->id, 'status', MS_Model_Relationship::STATUS_ACTIVE );
			}
			elseif( $action == 'cancel' ){
				wp_delete_post( $subscription->id, true);
			}

		}


		/*
		public function member_get_subscription_filter( $subscription, $membership_id, $member ){

			global $pagenow;

			if( ! is_admin() || 
				$pagenow != 'admin.php' || 
				! isset( $_GET['page'] ) || 
				$_GET['page'] != 'membership2-add-member' ||
				! isset( $_POST['mem_' . $membership_id]['status'] ) ||
				'active' != $_POST['mem_' . $membership_id]['status']

			){
				return $subscription;
			}

			if( ! $subscription instanceof MS_Model_Relationship ){

				$subscription = MS_Model_Relationship::get_subscription( $member->id, $membership_id );
				$subscription->status = MS_Model_Relationship::STATUS_ACTIVE;
				$invoice = MS_Model_Invoice::get_current_invoice( $subscription );

				if( ! $invoice instanceof MS_Model_Invoice ){
					$invoice = MS_Model_Invoice::create_invoice( $subscription );
				}

				update_post_meta( $invoice->id, 'status', MS_Model_Invoice::STATUS_PAID );
				update_post_meta( $subscription->id, 'status', MS_Model_Relationship::STATUS_ACTIVE );
			}

			return $subscription;

		}
		*/

	}

	add_action( 'plugins_loaded', function(){
		$GLOBALS['WPMUDEV_MS_Force_Pending'] = WPMUDEV_MS_Force_Pending::get_instance();
	}, 10 );
}