import-eventbrite-events.php

<?php
/**
 * Plugin Name:       Import Eventbrite Events
 * Plugin URI:        http://xylusthemes.com/plugins/import-eventbrite-events/
 * Description:       Import Eventbrite Events allows you to import Eventbrite (eventbrite.com) events into your WordPress site.
 * Version:           1.4.1
 * Author:            Xylus Themes
 * Author URI:        http://xylusthemes.com
 * License:           GPL-2.0+
 * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain:       import-eventbrite-events
 * Domain Path:       /languages
 *
 * @link       http://xylusthemes.com/
 * @since      1.0.0
 * @package    Import_Eventbrite_Events
 */

// If this file is called directly, abort.
if ( ! defined( 'ABSPATH' ) ) exit;

if( ! class_exists( 'Import_Eventbrite_Events' ) ):

/**
* Main Import Eventbrite Events class
*/
class Import_Eventbrite_Events{
	
	/** Singleton *************************************************************/
	/**
	 * Import_Eventbrite_Events The one true Import_Eventbrite_Events.
	 */
	private static $instance;

    /**
     * Main Import Eventbrite Events Instance.
     * 
     * Insure that only one instance of Import_Eventbrite_Events exists in memory at any one time.
     * Also prevents needing to define globals all over the place.
     *
     * @since 1.0.0
     * @static object $instance
     * @uses Import_Eventbrite_Events::setup_constants() Setup the constants needed.
     * @uses Import_Eventbrite_Events::includes() Include the required files.
     * @uses Import_Eventbrite_Events::laod_textdomain() load the language files.
     * @see run_import_eventbrite_events()
     * @return object| Import Eventbrite Events the one true Import Eventbrite Events.
     */
	public static function instance() {
		if( ! isset( self::$instance ) && ! (self::$instance instanceof Import_Eventbrite_Events ) ) {
			self::$instance = new Import_Eventbrite_Events;
			self::$instance->setup_constants();

			add_action( 'plugins_loaded', array( self::$instance, 'load_textdomain' ) );
			add_action( 'wp_enqueue_scripts', array( self::$instance, 'iee_enqueue_style' ) );
			add_action( 'wp_enqueue_scripts', array( self::$instance, 'iee_enqueue_script' ) );

			self::$instance->includes();
			self::$instance->common = new Import_Eventbrite_Events_Common();
			self::$instance->cpt    = new Import_Eventbrite_Events_Cpt();
			self::$instance->eventbrite = new Import_Eventbrite_Events_Eventbrite();
			self::$instance->admin = new Import_Eventbrite_Events_Admin();
			self::$instance->manage_import = new Import_Eventbrite_Events_Manage_Import();
			self::$instance->iee    = new Import_Eventbrite_Events_IEE();
			self::$instance->tec = new Import_Eventbrite_Events_TEC();
			self::$instance->em = new Import_Eventbrite_Events_EM();
			self::$instance->eventon = new Import_Eventbrite_Events_EventON();
			self::$instance->event_organizer = new Import_Eventbrite_Events_Event_Organizer();
			self::$instance->aioec = new Import_Eventbrite_Events_Aioec();
			self::$instance->my_calendar = new Import_Eventbrite_Events_My_Calendar();
			self::$instance->ee4 = new Import_Eventbrite_Events_EE4();
			
		}
		return self::$instance;	
	}

	/** Magic Methods *********************************************************/

	/**
	 * A dummy constructor to prevent Import_Eventbrite_Events from being loaded more than once.
	 *
	 * @since 1.0.0
	 * @see Import_Eventbrite_Events::instance()
	 * @see run_import_eventbrite_events()
	 */
	private function __construct() { /* Do nothing here */ }

	/**
	 * A dummy magic method to prevent Import_Eventbrite_Events from being cloned.
	 *
	 * @since 1.0.0
	 */
	public function __clone() { _doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'import-eventbrite-events' ), '1.4.1' ); }

	/**
	 * A dummy magic method to prevent Import_Eventbrite_Events from being unserialized.
	 *
	 * @since 1.0.0
	 */
	public function __wakeup() { _doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'import-eventbrite-events' ), '1.4.1' ); }


	/**
	 * Setup plugins constants.
	 *
	 * @access private
	 * @since 1.0.0
	 * @return void
	 */
	private function setup_constants() {

		// Plugin version.
		if( ! defined( 'IEE_VERSION' ) ){
			define( 'IEE_VERSION', '1.4.1' );
		}

		// Plugin folder Path.
		if( ! defined( 'IEE_PLUGIN_DIR' ) ){
			define( 'IEE_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
		}

		// Plugin folder URL.
		if( ! defined( 'IEE_PLUGIN_URL' ) ){
			define( 'IEE_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
		}

		// Plugin root file.
		if( ! defined( 'IEE_PLUGIN_FILE' ) ){
			define( 'IEE_PLUGIN_FILE', __FILE__ );
		}

		// Options
		if( ! defined( 'IEE_OPTIONS' ) ){
			define( 'IEE_OPTIONS', 'xtei_eventbrite_options' );
		}

		// Pro plugin Buy now Link.
		if( ! defined( 'IEE_PLUGIN_BUY_NOW_URL' ) ){
			define( 'IEE_PLUGIN_BUY_NOW_URL', 'http://xylusthemes.com/plugins/import-eventbrite-events/?utm_source=insideplugin&utm_medium=web&utm_content=sidebar&utm_campaign=freeplugin' );
		}
	}

	/**
	 * Include required files.
	 *
	 * @access private
	 * @since 1.0.0
	 * @return void
	 */
	private function includes() {

		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-common.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-list-table.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-admin.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-manage-import.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-cpt.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-eventbrite.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-iee.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-tec.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-em.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-eventon.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-event_organizer.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-aioec.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-my-calendar.php';
		require_once IEE_PLUGIN_DIR . 'includes/class-import-eventbrite-events-ee4.php';

	}

	/**
	 * Loads the plugin language files.
	 * 
	 * @access public
	 * @since 1.0.0
	 * @return void
	 */
	public function load_textdomain(){

		load_plugin_textdomain(
			'import-eventbrite-events',
			false,
			basename( dirname( __FILE__ ) ) . '/languages'
		);
	
	}
	
	/**
	 * enqueue style front-end
	 * 
	 * @access public
	 * @since 1.0.0
	 * @return void
	 */
	public function iee_enqueue_style() {

		$css_dir = IEE_PLUGIN_URL . 'assets/css/';
	 	wp_enqueue_style('import-eventbrite-events-front', $css_dir . 'import-eventbrite-events.css', false, "" );		
	}

	/**
	 * enqueue script front-end
	 * 
	 * @access public
	 * @since 1.0.0
	 * @return void
	 */
	public function iee_enqueue_script() {
		
		// enqueue script here.
	}

}

endif; // End If class exists check.

/**
 * The main function for that returns Import_Eventbrite_Events
 *
 * The main function responsible for returning the one true Import_Eventbrite_Events
 * Instance to functions everywhere.
 *
 * Use this function like you would a global variable, except without needing
 * to declare the global.
 *
 * Example: <?php $iee_events = run_import_eventbrite_events(); ?>
 *
 * @since 1.0.0
 * @return object|Import_Eventbrite_Events The one true Import_Eventbrite_Events Instance.
 */
function run_import_eventbrite_events() {
	return Import_Eventbrite_Events::instance();
}

/**
 * Get Import events setting options
 *
 * @since 1.0
 * @return void
*/
function iee_get_import_options( $type = '' ){

	$iee_options = get_option( IEE_OPTIONS );
	if( $type != '' && $type == 'eventbrite'){
		//$iee_options = isset( $iee_options[$type] ) ? $iee_options[$type] : array();
		return $iee_options;
	}
	return $iee_options;
}

// Get Import_Eventbrite_Events Running.
global $iee_events, $iee_errors, $iee_success_msg, $iee_warnings, $iee_info_msg;
$iee_events = run_import_eventbrite_events();
$iee_errors = $iee_warnings = $iee_success_msg = $iee_info_msg = array();

/**
 * The code that runs during plugin activation.
 *
 * @since 1.0
 */
function iee_activate_import_eventbrite_events() {
	global $iee_events;
	$iee_events->cpt->register_event_post_type();
	flush_rewrite_rules();	
}
register_activation_hook( __FILE__, 'iee_activate_import_eventbrite_events' );