rendez-vous.php

<?php
/**
 * @package   RendezVous
 * @author    imath https://twitter.com/imath
 * @license   GPL-2.0+
 * @link      http://imathi.eu
 * @copyright 2013 imath
 *
 * @wordpress-plugin
 * Plugin Name:       Rendez Vous
 * Plugin URI:        http://imathi.eu/tag/rendez-vous
 * Description:       Rendez Vous is a BuddyPress plugin to schedule appointments with your buddies
 * Version:           1.0.2
 * Author:            imath
 * Author URI:        http://imathi.eu
 * Text Domain:       rendez-vous
 * License:           GPL-2.0+
 * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
 * Domain Path:       /languages/
 * GitHub Plugin URI: https://github.com/imath/rendez-vous
 */

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


if ( ! class_exists( 'Rendez_Vous' ) ) :
/**
 * Main RendezVous Class
 *
 * @since RendezVous (1.0.0)
 */
class Rendez_Vous {
	/**
	 * Instance of this class.
	 *
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 *
	 * @var      object
	 */
	protected static $instance = null;

	/**
	 * Required BuddyPress version for the plugin.
	 *
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 *
	 * @var      string
	 */
	public static $required_bp_version = '1.9';

	/**
	 * BuddyPress config.
	 *
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 *
	 * @var      array
	 */
	public static $bp_config = array();

	/**
	 * Initialize the plugin
	 * 
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 */
	private function __construct() {
		// First you will set your plugin's globals
		$this->setup_globals();
		// Then include the needed files
		$this->includes();
		// Then hook to BuddyPress actions & filters
		$this->setup_hooks();
	}

	/**
	 * Return an instance of this class.
	 *
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 *
	 * @return    object    A single instance of this class.
	 */
	public static function start() {

		// If the single instance hasn't been set, set it now.
		if ( null == self::$instance ) {
			self::$instance = new self;
		}

		return self::$instance;
	}

	/**
	 * Sets some globals for the plugin
	 * 
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 */
	private function setup_globals() {

		// Define a global that will hold the current version number
		$this->version       = '1.0.2';

		// Define a global to get the textdomain of your plugin.
		$this->domain        = 'rendez-vous';

		$this->file          = __FILE__;
		$this->basename      = plugin_basename( $this->file );

		// Define a global that we can use to construct file paths throughout the component
		$this->plugin_dir    = plugin_dir_path( $this->file );

		// Define a global that we can use to construct file paths starting from the includes directory
		$this->includes_dir  = trailingslashit( $this->plugin_dir . 'includes' );

		// Define a global that we can use to construct file paths starting from the includes directory
		$this->lang_dir      = trailingslashit( $this->plugin_dir . 'languages' );


		$this->plugin_url    = plugin_dir_url( $this->file );
		$this->includes_url  = trailingslashit( $this->plugin_url . 'includes' );

		// Define a global that we can use to construct url to the javascript scripts needed by the component
		$this->plugin_js     = trailingslashit( $this->includes_url . 'js' );

		// Define a global that we can use to construct url to the css needed by the component
		$this->plugin_css    = trailingslashit( $this->includes_url . 'css' );
	}

	/**
	 * Include the component's loader.
	 *
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 */
	private function includes() {
		if ( self::bail() )
			return;

		require( $this->includes_dir . 'rendez-vous-loader.php' );
	}

	/**
	 * Sets the key hooks to add an action or a filter to
	 * 
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 */
	private function setup_hooks() {

		if ( ! self::bail() ) {
			// Load the component
			add_action( 'bp_loaded', 'rendez_vous_load_component' );

			add_filter( 'map_meta_cap', 'rendez_vous_map_meta_caps', 10, 4 );

			// Enqueue the needed script and css files
			add_action( 'bp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );

			// loads the languages..
			add_action( 'bp_init', array( $this, 'load_textdomain' ), 5 );

			// Saves the plugin version in db
			add_action( bp_core_admin_hook(), 'rendez_vous_maybe_upgrade' );

		} else {
			// Display a warning message in network admin or admin
			add_action( self::$bp_config['network_active'] ? 'network_admin_notices' : 'admin_notices', array( $this, 'warning' ) );
		}
		
	}

	/**
	 * Display a warning message to admin
	 * 
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 */
	public function warning() {
		$warnings = array();

		if( ! self::version_check() ) {
			$warnings[] = sprintf( __( 'Rendez Vous requires at least version %s of BuddyPress.', 'rendez-vous' ), self::$required_bp_version );
		}

		if ( ! empty( self::$bp_config ) ) {
			$config = self::$bp_config;
		} else {
			$config = self::config_check();
		}
		
		if ( ! bp_core_do_network_admin() && ! $config['blog_status'] ) {
			$warnings[] = __( 'Rendez Vous requires to be activated on the blog where BuddyPress is activated.', 'rendez-vous' );
		}

		if ( bp_core_do_network_admin() && ! $config['network_status'] ) {
			$warnings[] = __( 'Rendez Vous and BuddyPress need to share the same network configuration.', 'rendez-vous' );
		}

		if ( ! empty( $warnings ) ) :
		?>
		<div id="message" class="error">
			<?php foreach ( $warnings as $warning ) : ?>
				<p><?php echo esc_html( $warning ) ; ?></p>
			<?php endforeach ; ?>
		</div>
		<?php
		endif;
	}

	/**
	 * Enqueue scripts if your component is loaded
	 * 
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 */
	public function enqueue_scripts() {
		if ( ! bp_is_current_component( 'rendez_vous' ) )
			return;


		$suffix = SCRIPT_DEBUG ? '' : '.min';
			
		wp_register_script( 'rendez-vous-plupload', includes_url( "js/plupload/wp-plupload$suffix.js" ), array(), $this->version, 1 );
		wp_localize_script( 'rendez-vous-plupload', 'pluploadL10n', array() );
		wp_register_script( 'rendez-vous-media-views', includes_url( "js/media-views$suffix.js" ), array( 'utils', 'media-models', 'rendez-vous-plupload', 'jquery-ui-sortable' ), $this->version, 1 );
		wp_register_script( 'rendez-vous-media-editor', includes_url( "js/media-editor$suffix.js" ), array( 'shortcode', 'rendez-vous-media-views' ), $this->version, 1 );
		wp_register_script( 'rendez-vous-modal', $this->plugin_js . "rendez-vous-backbone$suffix.js", array( 'rendez-vous-media-editor', 'jquery-ui-datepicker' ), $this->version, 1 );

		// Allow themes to override modal style
		$modal_style = apply_filters( 'rendez_vous_modal_css', $this->plugin_css . "rendezvous-editor$suffix.css", $suffix );
		wp_register_style ( 'rendez-vous-modal-style', $modal_style, array( 'media-views' ), $this->version );

		// Allow themes to override global style
		$global_style = apply_filters( 
			'rendez_vous_global_css', 
			array( 
				'style' => $this->plugin_css . "rendezvous$suffix.css",
				'deps'  =>  array( 'dashicons' ),
			),
			$suffix 
		);
		
		wp_enqueue_style  ( 'rendez-vous-style', $global_style['style'], (array) $global_style['deps'], $this->version );
		wp_enqueue_script ( 'rendez-vous-script', $this->plugin_js . "rendezvous$suffix.js", array( 'jquery' ), $this->version, 1 );
		wp_localize_script( 'rendez-vous-script', 'rendez_vous_vars', array(
			'confirm'  => esc_html__( 'Are you sure you want to cancel this rendez-vous ?', 'rendez-vous' ),
			'noaccess' => esc_html__( 'This rendez-vous is private and you have not been invited to it.', 'rendez-vous' ),
		) );
	}

	/** Utilities *****************************************************************************/

	/**
	 * Checks BuddyPress version
	 * 
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 */
	public static function version_check() {
		// taking no risk
		if ( ! defined( 'BP_VERSION' ) )
			return false;

		return version_compare( BP_VERSION, self::$required_bp_version, '>=' );
	}

	/**
	 * Checks if your plugin's config is similar to BuddyPress
	 * 
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 */
	public static function config_check() {
		/**
		 * blog_status    : true if your plugin is activated on the same blog
		 * network_active : true when your plugin is activated on the network
		 * network_status : BuddyPress & your plugin share the same network status
		 */
		self::$bp_config = array(
			'blog_status'    => false, 
			'network_active' => false, 
			'network_status' => true 
		);

		if ( get_current_blog_id() == bp_get_root_blog_id() ) {
			self::$bp_config['blog_status'] = true;
		}
		
		$network_plugins = get_site_option( 'active_sitewide_plugins', array() );

		// No Network plugins
		if ( empty( $network_plugins ) )
			return self::$bp_config;

		$rendez_vous_basename = plugin_basename( __FILE__ );

		// Looking for BuddyPress and your plugin
		$check = array( buddypress()->basename, $rendez_vous_basename );

		// Are they active on the network ?
		$network_active = array_diff( $check, array_keys( $network_plugins ) );
		
		// If result is 1, your plugin is network activated
		// and not BuddyPress or vice & versa. Config is not ok
		if ( count( $network_active ) == 1 )
			self::$bp_config['network_status'] = false;
		
		// We need to know if the plugin is network activated to choose the right
		// notice ( admin or network_admin ) to display the warning message.
		self::$bp_config['network_active'] = isset( $network_plugins[ $rendez_vous_basename ] );

		return self::$bp_config;
	}

	/**
	 * Bail if BuddyPress config is different than this plugin
	 *
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 */
	public static function bail() {
		$retval = false;

		$config = self::config_check();

		if ( ! self::version_check() || ! $config['blog_status'] || ! $config['network_status'] )
			$retval = true;

		return $retval;
	}

	/**
	 * Loads the translation files
	 * 
	 * @package Rendez Vous
	 *
	 * @since Rendez Vous (1.0.0)
	 * 
	 * @uses get_locale() to get the language of WordPress config
	 * @uses load_texdomain() to load the translation if any is available for the language
	 */
	public function load_textdomain() {
		// Traditional WordPress plugin locale filter
		$locale        = apply_filters( 'plugin_locale', get_locale(), $this->domain );
		$mofile        = sprintf( '%1$s-%2$s.mo', $this->domain, $locale );

		// Setup paths to current locale file
		$mofile_local  = $this->lang_dir . $mofile;
		$mofile_global = WP_LANG_DIR . '/rendez-vous/' . $mofile;

		// Look in global /wp-content/languages/buddyplug folder
		load_textdomain( $this->domain, $mofile_global );

		// Look in local /wp-content/plugins/buddyplug/languages/ folder
		load_textdomain( $this->domain, $mofile_local );
	}
}

endif;

// BuddyPress is loaded and initialized, let's start !
function rendez_vous() {
	return Rendez_Vous::start();
}
add_action( 'bp_include', 'rendez_vous' );