/p/appointments/includes/default_filters.php

<?php



if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {

	function _app_catch_wrong_pattern_debug_notices( $where ) {

		if ( apply_filters( 'doing_it_wrong_trigger_error', true ) ) { trigger_error( sprintf( 'Wrong usage pattern detected when calling %s', $where ) ); }

	}

	add_action( 'app-core-doing_it_wrong', '_app_catch_wrong_pattern_debug_notices' );

}



if ( ! (defined( 'APP_DISALLOW_META_WRAPPERS' ) && APP_DISALLOW_META_WRAPPERS) ) {

	function _app_wrap_meta_output( $out ) {

		if ( ! $out ) { return $out; }

		return '<div class="app-settings-column_meta_info">' .

			'<div class="app-settings-column_meta_info-content" style="display:none">' . $out . '</div>' .

			'<div>' .

				'<a href="#toggle" class="app-settings-column_meta_info-toggle" ' .

					'data-off="' . esc_attr( __( 'More Info', 'appointments' ) ) . '" ' .

					'data-on="' . esc_attr( __( 'Less Info', 'appointments' ) ) . '" ' .

				'>' . __( 'More Info', 'appointments' ) . '</a>' .

			'</div>' .

		'</div>';

	}

	add_filter( 'app-settings-services-service-name', '_app_wrap_meta_output', 9991 );

	add_filter( 'app-settings-workers-worker-name', '_app_wrap_meta_output', 9991 );

}



if ( defined( 'APP_GCAL_CLIENT_TEMP_DIR_AUTO_LOOKUP' ) && APP_GCAL_CLIENT_TEMP_DIR_AUTO_LOOKUP ) {

	/**

	 * Wrapper for Google Client cache filepath + open_basedir restriction resolution.

	 */

	function _app_gcal_client_temp_dir_lookup( $params ) {

		if ( ! function_exists( 'get_temp_dir' ) ) { return $params; }

		$params['ioFileCache_directory'] = get_temp_dir() . 'Google_Client';

		return $params;

	}

	add_filter( 'app-gcal-client_parameters', '_app_gcal_client_temp_dir_lookup' );

}



if ( ! (defined( 'APP_USE_LEGACY_MP_INTEGRATION' ) && APP_USE_LEGACY_MP_INTEGRATION) ) {



	/**

	 * Appointment-to-order mapping getter.

	 */

	function app_mp_get_order_for_appointment( $app_id ) {

		$query = new WP_Query(array(

			'post_type' => 'mp_order',

			//'post_status' => 'order_paid', // Can't use this, at least for manual payments gateway because post status transition happens AFTER the paid hook (o.0 yeah)

			'post_status' => array( 'order_paid', 'order_received' ), // This is much less appropriate IMHO, but we'll be narrowing it down with `mp_paid_time` meta

			'meta_query' => array(

			'relation' => 'AND',

			array(

					'key' => '_appointment_purchased_via_mp',

					'value' => $app_id,

				),

			// Since we absolutely can't rely on order status, let's hack our way around

				array(

					'key' => 'mp_paid_time',

					'value' => 0,

					'compare' => '>',

				),

			),

			'fields' => 'ids',

		));

		if ( empty( $query->posts ) || empty( $query->posts[0] ) ) { return false; // Can't map

		}		$order_id = (int) $query->posts[0];



		global $mp;

		if ( ! method_exists( $mp, 'get_order' ) ) { return false; // Erm... no MarketPress

		}

		return $mp->get_order( $order_id );

	}



	/**

	 * Order-to-appointments mapping.

	 */

	function app_mp_get_appointment_ids_from_order( $order ) {

		$order_id = is_object( $order ) && ! empty( $order->ID )

			? $order->ID

			: (is_numeric( $order ) ? $order : false)

		;

		if ( ! $order_id ) { return false; }



		$purchased = get_post_meta( $order_id, '_appointment_purchased_via_mp' );

		if ( ! empty( $purchased ) ) { return $purchased; // Easy way out for already paid order

		}

		// No easy way? Oh well...

		if ( empty( $order->mp_cart_info ) ) { return false; }

		$app_ids = array();

		foreach ( $order->mp_cart_info as $product_id => $product_detail ) {

			foreach ( $product_detail as $var ) {

				list($product_name, $app_id) = split( ':', $var['name'] );

				if ( ! empty( $app_id ) && is_numeric( $app_id ) ) { $app_ids[] = $app_id; }

			}

		}

		return array_values( array_filter( array_map( 'intval', array_unique( $app_ids ) ) ) );

	}



	/**

	 * This is where the link actually gets established.

	 */

	function _app_mp_record_appointment_order_info( $app_id, $order ) {

		if ( empty( $order->ID ) || empty( $app_id ) ) { return false; }

		add_post_meta( $order->ID, '_appointment_purchased_via_mp', $app_id, false );

		wp_cache_delete( $order->ID, 'post_meta' );

	}

	add_filter( 'app_mp_order_paid', '_app_mp_record_appointment_order_info', 10, 2 );

}





/**

 * Triggered when a user cancels an appointment from email link

 */

function appointments_maybe_cancel_appointment() {

	if ( ! isset( $_GET['action'] ) || 'cancel-app' !== $_GET['action'] ) {

		return;

	}

	$app_id = absint( $_GET['id'] );

	$token = rawurldecode( $_GET['t'] );

	$app = appointments_get_appointment( $app_id );

	if ( ! $app ) {

		wp_die( __( 'The appointment does not exist.', 'appointments' ), __( 'Error', 'appointments' ), array( 'response' => 400 ) );

	}

	if ( $token != $app->get_cancel_token() ) {

		wp_die( __( 'You are not allowed to perform this action.', 'appointments' ), __( 'Error', 'appointments' ), array( 'response' => 403 ) );

	}

	// Remove the gcal appointment

	$appointments = appointments();

	$gcal = $appointments->get_gcal_api();

	$args['status'] = 'removed';

	$gcal->on_update_appointment( $app_id, $args, $app );

	$options = appointments_get_options();

	appointments_cancel_appointment( $app_id );

	$url = get_permalink( $options['cancel_page'] );

	if ( $url ) {

		wp_redirect( $url );

		exit;

	} else {

		wp_die( __( 'Your appointment has been cancelled!', 'appointments' ), __( 'Appointment cancelled', 'appointments' ), array( 'response' => 410 ) );

	}

}

add_action( 'init', 'appointments_maybe_cancel_appointment' );