edd-wish-lists.php

<?php
/*
Plugin Name: Easy Digital Downloads - Wish Lists
Plugin URI: https://easydigitaldownloads.com/extensions/edd-wish-lists/
Description: Gives your customers the ability to save and share their favourite products on your site
Version: 1.1.1
Author: Andrew Munro, Sumobi
Author URI: http://sumobi.com/
License: GPL-2.0+
License URI: http://www.opensource.org/licenses/gpl-license.php
*/

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;

if ( ! class_exists( 'EDD_Wish_Lists' ) ) :

	final class EDD_Wish_Lists {

		/**
		 * Holds the instance
		 *
		 * Ensures that only one instance of EDD Wish Lists exists in memory at any one
		 * time and it also prevents needing to define globals all over the place.
		 *
		 * TL;DR This is a static property property that holds the singleton instance.
		 *
		 * @var object
		 * @static
		 * @since 1.0
		 */
		private static $instance;

		/**
		 * Main Instance
		 *
		 * Ensures that only one instance exists in memory at any one
		 * time. Also prevents needing to define globals all over the place.
		 *
		 * @since 1.0
		 *
		 */
		public static function get_instance() {
			if ( ! isset( self::$instance ) && ! ( self::$instance instanceof EDD_Wish_Lists ) ) {
				self::$instance = new EDD_Wish_Lists;
				self::$instance->setup_globals();
				self::$instance->includes();
				self::$instance->hooks();
				self::$instance->licensing();
			}

			return self::$instance;
		}

		/**
		 * Constructor Function
		 *
		 * @since 1.0
		 * @access private
		 * @see EDD_Wish_Lists::init()
		 * @see EDD_Wish_Lists::activation()
		 */
		private function __construct() {
			self::$instance = $this;

			add_action( 'init', array( $this, 'init' ) );
		}

		/**
		 * Reset the instance of the class
		 *
		 * @since 1.0
		 * @access public
		 * @static
		 */
		public static function reset() {
			self::$instance = null;
		}

		/**
		 * Globals
		 *
		 * @since 1.0
		 * @return void
		 */
		private function setup_globals() {
			$this->version 		= '1.1.1';
			$this->title 		= 'EDD Wish Lists';

			global $edd_wl_scripts;

			$edd_wl_scripts 	= false;

			// constants

			if ( ! defined( 'EDD_WL_VERSION' ) )
				define( 'EDD_WL_VERSION', '1.1.1' );

			if ( ! defined( 'EDD_WL_PLUGIN_FILE' ) )
				define( 'EDD_WL_PLUGIN_FILE', __FILE__ );

			if ( ! defined( 'EDD_WL_PLUGIN_URL' ) )
				define( 'EDD_WL_PLUGIN_URL', plugin_dir_url( __FILE__ ) );

			if ( ! defined( 'EDD_WL_PLUGIN_DIR' ) )
				define( 'EDD_WL_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );

			// paths
			$this->file         = __FILE__;
			$this->basename     = apply_filters( 'edd_wl_plugin_basenname', plugin_basename( $this->file ) );
			$this->plugin_dir   = apply_filters( 'edd_wl_plugin_dir_path',  plugin_dir_path( $this->file ) );
			$this->plugin_url   = apply_filters( 'edd_wl_plugin_dir_url',   plugin_dir_url ( $this->file ) );
		}

		/**
		 * Function fired on init
		 *
		 * This function is called on WordPress 'init'. It's triggered from the
		 * constructor function.
		 *
		 * @since 1.0
		 * @access public
		 *
		 * @uses EDD_Wish_Lists::load_textdomain()
		 *
		 * @return void
		 */
		public function init() {
			do_action( 'edd_wl_before_init' );

			$this->load_textdomain();

			do_action( 'edd_wl_after_init' );
		}

		/**
		 * Includes
		 *
		 * @since 1.0
		 * @access private
		 * @return void
		 */
		private function includes() {
			require_once( dirname( $this->file ) . '/includes/post-type.php' );
			require_once( dirname( $this->file ) . '/includes/shortcodes.php' );
			require_once( dirname( $this->file ) . '/includes/form-processing.php' );
			require_once( dirname( $this->file ) . '/includes/user-functions.php' );
			require_once( dirname( $this->file ) . '/includes/functions.php' );
			require_once( dirname( $this->file ) . '/includes/template-functions.php' );
			require_once( dirname( $this->file ) . '/includes/wish-list-functions.php' );
			require_once( dirname( $this->file ) . '/includes/ajax-functions.php' );
			require_once( dirname( $this->file ) . '/includes/scripts.php' );
			require_once( dirname( $this->file ) . '/includes/sharing.php' );
			require_once( dirname( $this->file ) . '/includes/modals.php' );
			require_once( dirname( $this->file ) . '/includes/rewrites.php' );
			require_once( dirname( $this->file ) . '/includes/actions.php' );
			require_once( dirname( $this->file ) . '/includes/messages.php' );

			if ( ! is_admin() )
				return;

			require_once( dirname( $this->file ) . '/includes/cron.php' );
			require_once( dirname( $this->file ) . '/includes/metabox.php' );
			require_once( dirname( $this->file ) . '/includes/admin-settings.php' );
			require_once( dirname( $this->file ) . '/includes/dashboard-columns.php' );
		}

		/**
		 * Setup the default hooks and actions
		 *
		 * @since 1.0
		 *
		 * @return void
		 */
		private function hooks() {

			add_filter( 'plugin_row_meta', array( $this, 'plugin_meta' ), null, 2 );

			// insert actions
			do_action( 'edd_wl_setup_actions' );
		}

		/**
		 * Licensing
		 *
		 * @since 1.0
		*/
		private function licensing() {
			//check EDD_License class is exist
			if ( class_exists( 'EDD_License' ) ) {
				$license = new EDD_License( $this->file, $this->title, $this->version, 'Andrew Munro' );
			}
		}

		/**
		 * Loads the plugin language files
		 *
		 * @access public
		 * @since 1.0
		 * @return void
		 */
		public function load_textdomain() {
			// Set filter for plugin's languages directory
			$lang_dir = dirname( plugin_basename( $this->file ) ) . '/languages/';
			$lang_dir = apply_filters( 'edd_wl_languages_directory', $lang_dir );

			// Traditional WordPress plugin locale filter
			$locale        = apply_filters( 'plugin_locale',  get_locale(), 'edd-wish-lists' );
			$mofile        = sprintf( '%1$s-%2$s.mo', 'edd-wish-lists', $locale );

			// Setup paths to current locale file
			$mofile_local  = $lang_dir . $mofile;
			$mofile_global = WP_LANG_DIR . '/edd-wish-lists/' . $mofile;

			if ( file_exists( $mofile_global ) ) {
				load_textdomain( 'edd-wish-lists', $mofile_global );
			} elseif ( file_exists( $mofile_local ) ) {
				load_textdomain( 'edd-wish-lists', $mofile_local );
			} else {
				// Load the default language files
				load_plugin_textdomain( 'edd-wish-lists', false, $lang_dir );
			}
		}

		/**
		 * Plugin settings link
		 *
		 * @since 1.0
		*/
		public function settings_link( $links ) {
			$plugin_links = array(
				'<a href="' . admin_url( 'edit.php?post_type=download&page=edd-settings&tab=extensions' ) . '">' . __( 'Settings', 'edd-wish-lists' ) . '</a>',
			);

			return array_merge( $plugin_links, $links );
		}

		/**
		 * Modify plugin metalinks
		 *
		 * @access      public
		 * @since       1.0.0
		 * @param       array $links The current links array
		 * @param       string $file A specific plugin table entry
		 * @return      array $links The modified links array
		 */
		public function plugin_meta( $links, $file ) {
		    if ( $file == plugin_basename( __FILE__ ) ) {
		        $plugins_link = array(
		            '<a title="View more plugins for Easy Digital Downloads by Sumobi" href="https://easydigitaldownloads.com/blog/author/andrewmunro/?ref=166" target="_blank">' . __( 'Author\'s EDD plugins', 'edd-wish-lists' ) . '</a>'
		        );

		        $links = array_merge( $links, $plugins_link );
		    }

		    return $links;
		}


	}


/**
 * Loads a single instance of EDD Wish Lists
 *
 * This follows the PHP singleton design pattern.
 *
 * Use this function like you would a global variable, except without needing
 * to declare the global.
 *
 * @example <?php $edd_wish_lists = edd_wish_lists(); ?>
 *
 * @since 1.0
 *
 * @see EDD_Wish_Lists::get_instance()
 *
 * @return object Returns an instance of the EDD_Wish_Lists class
 */
function edd_wish_lists() {
    if( ! class_exists( 'Easy_Digital_Downloads' ) ) {
        if( ! class_exists( 'EDD_Extension_Activation' ) ) {
            require_once 'includes/class.extension-activation.php';
        }

        $activation = new EDD_Extension_Activation( plugin_dir_path( __FILE__ ), basename( __FILE__ ) );
        $activation = $activation->run();
    } else {
        return EDD_Wish_Lists::get_instance();
    }
}


/**
 * Loads plugin after all the others have loaded and have registered their hooks and filters
 *
 * @since 1.0
*/
add_action( 'plugins_loaded', 'edd_wish_lists', apply_filters( 'edd_wl_action_priority', 10 ) );

/**
 * Installation
 *
 * Registering the hook inside the 'plugins_loaded' hook will not work.
 * You can't call register_activation_hook() inside a function hooked to the 'plugins_loaded' or 'init' hooks (or any other hook).
 * These hooks are called before the plugin is loaded or activated.
 *
 * @since 1.0
*/
function edd_wl_plugin_activate() {
	add_option( 'Activated_Plugin', 'edd-wish-lists' );
}
register_activation_hook( __FILE__, 'edd_wl_plugin_activate' );

function edd_wl_load_plugin() {
	include_once dirname( __FILE__ ) . '/includes/install.php';

    if ( is_admin() && get_option( 'Activated_Plugin' ) == 'edd-wish-lists' ) {

        delete_option( 'Activated_Plugin' );

        // run install script
        edd_wl_install();
    }
}
add_action( 'admin_init', 'edd_wl_load_plugin' );

endif;