wampum-programs.php

<?php
/**
 * @package   Wampum
 * @author    BizBudding, INC <mike@bizbudding.com>
 * @license   GPL-2.0+
 * @link      https://bizbudding.com.com
 * @copyright 2016 BizBudding, INC
 *
 * @wordpress-plugin
 * Plugin Name:        Wampum - Programs
 * Description:        A program membership CPT with extensible terms-for-templates templating system
 * Plugin URI:         https://github.com/bizbudding/wampum-programs
 * Author:             Mike Hemberger
 * Author URI:         https://bizbudding.com
 * Text Domain:        wampum
 * License:            GPL-2.0+
 * License URI:        http://www.gnu.org/licenses/gpl-2.0.txt
 *
 * Version:            1.6.3
 *
 * GitHub Plugin URI:  https://github.com/bizbudding/wampum-programs
 * GitHub Branch       master
 */

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

if ( ! class_exists( 'Wampum_Programs_Setup' ) ) :

/**
 * Main Wampum_Programs_Setup Class.
 *
 * @since 1.0.0
 */
final class Wampum_Programs_Setup {
	/**
	 * @var Wampum_Programs_Setup The one true Wampum_Programs_Setup
	 * @since 1.0.0
	 */
	private static $instance;

	/**
	 * Wampum Content Types Object
	 *
	 * @since 1.0.0
	 *
	 * @var object | Wampum_Content_Types
	 */
	public $content;

	/**
	 * Wampum Membership Object
	 *
	 * @since 1.0.0
	 *
	 * @var object | Wampum_Membership
	 */
	public $membership;

	/**
	 * Wampum Template Loader Object
	 *
	 * @since 1.0.0
	 *
	 * @var object | Wampum_Template_Loader
	 */
	public $templates;

	/**
	 * Main Wampum_Programs_Setup Instance.
	 *
	 * Insures that only one instance of Wampum_Programs_Setup exists in memory at any one
	 * time. Also prevents needing to define globals all over the place.
	 *
	 * @since   1.0.0
	 * @static  var array $instance
	 * @uses    Wampum_Programs_Setup::setup_constants() Setup the constants needed.
	 * @uses    Wampum_Programs_Setup::includes() Include the required files.
	 * @uses    Wampum_Programs_Setup::load_textdomain() load the language files.
	 * @see     Wampum()
	 * @return  object | Wampum_Programs_Setup The one true Wampum_Programs_Setup
	 */
	public static function instance() {
		if ( ! isset( self::$instance ) ) {
			// Setup the setup
			self::$instance = new Wampum_Programs_Setup;
			// Methods
			self::$instance->setup_constants();
			self::$instance->includes();
			self::$instance->setup();
			// Instantiate Classes
			self::$instance->content    = Wampum_Content_Types::instance();
			self::$instance->membership = Wampum_Membership::instance();
			self::$instance->templates  = Wampum_Template_Loader::instance();
		}
		return self::$instance;
	}

	/**
	 * Throw error on object clone.
	 *
	 * The whole idea of the singleton design pattern is that there is a single
	 * object therefore, we don't want the object to be cloned.
	 *
	 * @since   1.0.0
	 * @access  protected
	 * @return  void
	 */
	public function __clone() {
		// Cloning instances of the class is forbidden.
		_doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'wampum' ), '1.0' );
	}

	/**
	 * Disable unserializing of the class.
	 *
	 * @since   1.0.0
	 * @access  protected
	 * @return  void
	 */
	public function __wakeup() {
		// Unserializing instances of the class is forbidden.
		_doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'wampum' ), '1.0' );
	}

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

		// Plugin version.
		if ( ! defined( 'WAMPUM_VERSION' ) ) {
			define( 'WAMPUM_VERSION', '1.6.3' );
		}

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

		// Plugin Includes Path
		if ( ! defined( 'WAMPUM_INCLUDES_DIR' ) ) {
			define( 'WAMPUM_INCLUDES_DIR', WAMPUM_PLUGIN_DIR . 'includes/' );
		}

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

		// Plugin Root File.
		if ( ! defined( 'WAMPUM_PLUGIN_FILE' ) ) {
			define( 'WAMPUM_PLUGIN_FILE', __FILE__ );
		}

		// Plugin Base Name
		if ( ! defined( 'WAMPUM_BASENAME' ) ) {
			define( 'WAMPUM_BASENAME', dirname( plugin_basename( __FILE__ ) ) );
		}

	}

	/**
	 * Include required files.
	 *
	 * @access private
	 * @since 1.0.0
	 * @return void
	 */
	private function includes() {
		// Vendor
		require_once WAMPUM_INCLUDES_DIR . 'lib/class-gamajo-template-loader.php';
		// Classes
		require_once WAMPUM_INCLUDES_DIR . 'classes/class-content-types.php';
		require_once WAMPUM_INCLUDES_DIR . 'classes/class-membership.php';
		require_once WAMPUM_INCLUDES_DIR . 'classes/class-template-loader.php';
		// Functions
		require_once WAMPUM_INCLUDES_DIR . 'display.php';
		require_once WAMPUM_INCLUDES_DIR . 'helpers.php';
		require_once WAMPUM_INCLUDES_DIR . 'shortcodes.php';
	}

	/**
	 * Plugin hooks, filters, and shortcode
	 *
	 * @since  1.0.0
	 *
	 * @return void
	 */
	public function setup() {

		register_activation_hook( __FILE__,   array( $this, 'activate' ) );
		register_deactivation_hook( __FILE__, array( $this, 'deactivate' ) );

		// Setup updater.
		add_action( 'plugins_loaded', array( $this, 'updater' ) );

		// If front end.
		if ( ! is_admin() ) {
			// Register stylesheet
			add_action( 'wp_enqueue_scripts', array( $this, 'register_stylesheets' ) );
			// Make sure Genesis is running.
			add_action( 'after_setup_theme', function() {
				// If using Genesis theme.
				if ( 'genesis' == basename( TEMPLATEPATH ) ) {
					// Setup front end hooks.
					add_action( 'genesis_entry_content', array( $this, 'before_content_genesis' ), 8 );
					add_action( 'genesis_entry_content', array( $this, 'after_content_genesis' ), 30 );
				} else {
					// Setup front end hooks.
					add_filter( 'the_content', array( $this, 'before_content' ) );
					add_filter( 'the_content', array( $this, 'after_content' ) );
				}
			});
		}
	}

	/**
	 * Flush rewrite rules upon activation
	 *
	 * @since  1.0.0
	 *
	 * @return void
	 */
	public function activate() {
		Wampum_Programs()->content->register_post_types();
		flush_rewrite_rules();
	}

	/**
	 * Flush rewrite rules upon deactivation
	 * Does this actually work?
	 *
	 * @since 1.0.0
	 */
	public function deactivate() {
		flush_rewrite_rules();
		deactivate_plugins( WAMPUM_BASENAME );
	}

	/**
	 * Setup the updater.
	 *
	 * @uses    https://github.com/YahnisElsts/plugin-update-checker/
	 *
	 * @return  void
	 */
	public function updater() {
		if ( ! is_admin() ) {
			return;
		}
		if ( ! class_exists( 'Puc_v4_Factory' ) ) {
			require_once WAMPUM_INCLUDES_DIR . 'lib/plugin-update-checker/plugin-update-checker.php'; // 4.4
		}
		$updater = Puc_v4_Factory::buildUpdateChecker( 'https://github.com/bizbudding/wampum-programs/', __FILE__, 'wampum-programs' );
	}

	/**
	 * Register stylesheets for later use
	 *
	 * Use via wp_enqueue_style('wampum'); in a template
	 *
	 * @since  1.0.0
	 *
	 * @return void
	 */
	public function register_stylesheets() {
		wp_register_style( 'wampum', WAMPUM_PLUGIN_URL . 'css/wampum-programs.min.css', array(), WAMPUM_VERSION );
	}

	/**
	 * Before Download Content
	 *
	 * Adds an action to the beginning of post content that can be hooked to
	 * by other functions.
	 *
	 * @since 1.0.8
	 * @global $post
	 *
	 * @param $content The the_content field of the post object
	 * @return string the content with any additional data attached
	 */
	function before_content_genesis() {
		if ( ! is_singular('wampum_program') ) {
			return;
		}
		do_action( 'wampum_before_content' );
	}
	function before_content( $content ) {
		if ( ! is_singular('wampum_program') ) {
			return $content;
		}
		if ( ! is_main_query() ) {
			return $content;
		}
		ob_start();
		do_action( 'wampum_before_content' );
		$content = ob_get_clean() . $content;
		return $content;
	}

	/**
	 * After Download Content
	 *
	 * Adds an action to the end of post content that can be hooked to by
	 * other functions.
	 *
	 * @since 1.0.8
	 * @global $post
	 *
	 * @param $content The the_content field of the post object
	 * @return string the content with any additional data attached
	 */
	function after_content_genesis() {
		if ( ! is_singular('wampum_program') ) {
			return;
		}
		do_action( 'wampum_after_content' );
	}
	function after_content( $content ) {
		if ( ! is_singular('wampum_program') ) {
			return $content;
		}
		if ( ! is_main_query() ) {
			return $content;
		}
		ob_start();
		do_action( 'wampum_after_content' );
		$content .= ob_get_clean();
		return $content;
	}

}
endif; // End if class_exists check.

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

// Get Wampum_Programs Running.
Wampum_Programs();