Core.php

<?php

/**
 * The file that defines the core plugin class
 *
 * A class definition that includes attributes and functions used across both the
 * public-facing side of the site and the admin area.
 *
 * @link       https://rockiger.com
 * @since      1.0.0
 *
 * @package    Reactpress
 * @subpackage Reactpress/includes
 */

/**
 * The core plugin class.
 *
 * This is used to define internationalization, admin-specific hooks, and
 * public-facing site hooks.
 *
 * Also maintains the unique identifier of this plugin as well as the current
 * version of the plugin.
 *
 * @since      1.0.0
 * @package    Reactpress
 * @subpackage Reactpress/includes
 * @author     Marco Laspe <marco@rockiger.com>
 */

namespace ReactPress\Includes;

//* The class responsible for defining all actions that occur in the admin area.
use ReactPress\Admin\Admin;

//* The class responsible for defining internationalization functionality
//* of the plugin.
use ReactPress\Includes\I18n;

//* The class responsible for orchestrating the actions and filters of the 
//* core plugin.
use ReactPress\Includes\Loader;

//* The class responsible for defining all actions that occur in the public-facing
//* side of the site.
use ReactPress\User\User;

class Core {

	/**
	 * The loader that's responsible for maintaining and registering all hooks that power
	 * the plugin.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      Loader    $loader    Maintains and registers all hooks for the plugin.
	 */
	protected $loader;

	/**
	 * The unique identifier of this plugin.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      string    $plugin_name    The string used to uniquely identify this plugin.
	 */
	protected $plugin_name;

	/**
	 * The current version of the plugin.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      string    $version    The current version of the plugin.
	 */
	protected $version;

	/**
	 * Define the core functionality of the plugin.
	 *
	 * Set the plugin name and the plugin version that can be used throughout the plugin.
	 * Load the dependencies, define the locale, and set the hooks for the admin area and
	 * the public-facing side of the site.
	 *
	 * @since    1.0.0
	 */
	public function __construct() {
		if (defined('REPR_VERSION')) {
			$this->version = REPR_VERSION;
		} else {
			$this->version = '1.0.0';
		}
		$this->plugin_name = 'reactpress';

		$this->load_dependencies();
		$this->set_locale();
		$this->define_admin_hooks();
		$this->define_public_hooks();
	}

	/**
	 * Load the required dependencies for this plugin.
	 *
	 * Include the following files that make up the plugin:
	 *
	 * - Reactpress_Loader. Orchestrates the hooks of the plugin.
	 * - Reactpress_i18n. Defines internationalization functionality.
	 * - Reactpress_Admin. Defines all hooks for the admin area.
	 * - Reactpress_Public. Defines all hooks for the public side of the site.
	 *
	 * Create an instance of the loader which will be used to register the hooks
	 * with WordPress.
	 *
	 * @since    1.0.0
	 * @access   private
	 */
	private function load_dependencies() {
		$this->loader = new Loader();
	}

	/**
	 * Define the locale for this plugin for internationalization.
	 *
	 * Uses the Reactpress_i18n class in order to set the domain and to register the hook
	 * with WordPress.
	 *
	 * @since    1.0.0
	 * @access   private
	 */
	private function set_locale() {

		$plugin_i18n = new I18n();

		$this->loader->add_action('plugins_loaded', $plugin_i18n, 'load_plugin_textdomain');
	}

	/**
	 * Register all of the hooks related to the admin area functionality
	 * of the plugin.
	 *
	 * @since    1.0.0
	 * @access   private
	 */
	private function define_admin_hooks() {

		$plugin_admin = new Admin($this->get_plugin_name(), $this->get_version());

		$this->loader->add_action('admin_enqueue_scripts', $plugin_admin, 'enqueue_styles');
		$this->loader->add_action('admin_enqueue_scripts', $plugin_admin, 'enqueue_scripts');

		$this->loader->add_action('admin_menu', $plugin_admin, 'add_admin_menu');

		$this->loader->add_action('wp_ajax_repr_admin_ajax_request', $plugin_admin, 'repr_handle_admin_ajax_request');

		// Add our custom template to the admin's templates dropdown
		$this->loader->add_filter('theme_page_templates', $plugin_admin, 'repr_add_page_template');

		// Add our post state (label) for pages used by apps.
		$this->loader->add_filter('display_post_states', $plugin_admin, 'add_post_state', 20, 2);

		// Check if current current version of plugin is saved in db
		$this->loader->add_action('admin_init', $plugin_admin, 'check_plugin_version');
	}



	/**
	 * Register all of the hooks related to the public-facing functionality
	 * of the plugin.
	 *
	 * @since    1.0.0
	 * @access   private
	 */
	private function define_public_hooks() {

		$plugin_public = new User($this->get_plugin_name(), $this->get_version());

		$this->loader->add_action('wp_enqueue_scripts', $plugin_public, 'enqueue_styles');
		$this->loader->add_action('wp_enqueue_scripts', $plugin_public, 'enqueue_scripts', 1000);
		// Add template 
		$this->loader->add_filter('template_include', $plugin_public, 'repr_change_page_template', 99);
		$this->loader->add_filter('script_loader_tag', $plugin_public, 'add_type_module_to_scripts', 10, 3);
		// Add rewrite rules
		$this->loader->add_action('init', $plugin_public, 'add_repr_apps_rewrite_rules');
		$this->loader->add_action('generate_rewrite_rules', $plugin_public, 'site_custom_endpoint');
	}

	/**
	 * Run the loader to execute all of the hooks with WordPress.
	 *
	 * @since    1.0.0
	 */
	public function run() {
		$this->loader->run();
	}

	/**
	 * The name of the plugin used to uniquely identify it within the context of
	 * WordPress and to define internationalization functionality.
	 *
	 * @since     1.0.0
	 * @return    string    The name of the plugin.
	 */
	public function get_plugin_name() {
		return $this->plugin_name;
	}

	/**
	 * The reference to the class that orchestrates the hooks with the plugin.
	 *
	 * @since     1.0.0
	 * @return    Loader    Orchestrates the hooks of the plugin.
	 */
	public function get_loader() {
		return $this->loader;
	}

	/**
	 * Retrieve the version number of the plugin.
	 *
	 * @since     1.0.0
	 * @return    string    The version number of the plugin.
	 */
	public function get_version() {
		return $this->version;
	}
}