class-gen-eu-registration-dashboard.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.
 *
 * @since      1.0.0
 *
 * @package    GEN_EU_Registration_Dashboard
 * @subpackage GEN_EU_Registration_Dashboard/includes
 */

use GEN_EU\Registration\Dashboard\GEN_EU_Form_Parameters;

/**
 * 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    GEN_EU_Registration_Dashboard
 * @subpackage GEN_EU_Registration_Dashboard/includes
 * @author     Rodrigo Espirito Santo Braga <rodrigo@gen-europe.prg>
 */
class GEN_EU_Registration_Dashboard {
	/**
	 * 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;
	/**
	 * The ID of the form to display.
	 *
	 * @since    1.0.2
	 * @access   protected
	 * @var      string    $form_id    The ID of the form to display.
	 */
	protected $form_id;
	/**
	 * List of errors occurred.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      WP_Error    $error_list    List of errors occurred.
	 */
	protected $error_list;
	/**
	 * 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, and set the hooks for the admin area.
	 *
	 * @since    1.0.0
	 */
	public function __construct() {
		if ( defined( 'GEN_EU_REGISTRATION_DASHBOARD_VERSION' ) ) {
			$this->version = GEN_EU_REGISTRATION_DASHBOARD_VERSION;
		} else {
			$this->version = '1.0.0';
		}
		$this->plugin_name = 'gen-eu-registration-dashboard';
		$this->load_dependencies();
	}
	/**
	 * Load the required dependencies for this plugin.
	 *
	 * Include the following files that make up the plugin:
	 *
	 * - GEN_EU_Registrant. Model to process data from each registrant.
	 *
	 * Rregister the hooks with WordPress.
	 *
	 * @since    1.0.0
	 * @access   private
	 */
	private function load_dependencies() {
		/**
		 * The Registrant Class used to handle information about each registrant.
		 */
		require_once plugin_dir_path( __FILE__ ) . 'registrant/class-gen-eu-registrant.php';
		require_once plugin_dir_path( __FILE__ ) . 'registrant/class-gen-eu-attendee.php';
		require_once plugin_dir_path( __FILE__ ) . 'registrant/class-gen-eu-kid.php';
		require_once plugin_dir_path( __FILE__ ) . 'registrant/class-gen-eu-delegate.php';
		require_once plugin_dir_path( __FILE__ ) . 'class-gen-eu-utility.php';
		require_once plugin_dir_path( __FILE__ ) . 'class-gen-eu-caldera-forms-data-collector.php';
		require_once plugin_dir_path( __FILE__ ) . 'dashboard/class-gen-eu-dashboard-loader.php';
		require_once plugin_dir_path( __FILE__ ) . 'dashboard/class-gen-eu-dashboard-viewer.php';
		require_once plugin_dir_path( __FILE__ ) . 'class-gen-eu-enum.php';
		require_once plugin_dir_path( __FILE__ ) . 'class-gen-eu-registration.php';
		require_once plugin_dir_path( __FILE__ ) . 'class-gen-eu-form-parameters.php';

		// Register style sheet.
		add_action( 'admin_enqueue_scripts', array( $this, 'register_styles' ) );
		// Adding the function that creates a submenu to the admin menu.
		add_action( 'admin_menu', array( $this, 'create_dashboard_menu_link' ) );

	}
	/**
	 * Include CSS file for the plugin.
	 */
	public function register_styles() {
		wp_register_style( $this->plugin_name, plugins_url( 'gen-eu-registration-dashboard/assets/gen-eu-registration-dashboard-styles.css' ), null, $this->version );
		wp_enqueue_style( $this->plugin_name );
	}

	/** Function that creates a submenu to the admin menuif the user is admin, otherwise creates a new menu item*/
	public function create_dashboard_menu_link() {
		if ( current_user_can( 'manage_options' ) ) {
			add_submenu_page(
				'caldera-forms',
				'GEN EU Registration Dashboard',
				'<span class="caldera-forms-menu-dashicon"><span class="dashicons dashicons-analytics"></span>GEN EU Registration Dashboard',
				'edit_pages',
				$this->plugin_name,
				array( $this, 'create_admin_page' )
			);
		} elseif ( current_user_can( 'read_private_posts' ) ) {
			add_menu_page(
				'GEN Registration Tracker',
				'GEN Registration Tracker',
				'read_private_posts',
				$this->plugin_name,
				array( $this, 'create_admin_page' ),
				'dashicons-analytics'
			);
		}

	}

	/**
	 * 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;
	}
	/**
	 * 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;
	}

	/** Functtion that creates a administration page
	 *
	 * @since     1.0.0
	 */
	public function create_admin_page() {
		if ( ! current_user_can( 'read_private_posts' ) ) {
			wp_die( esc_html__( 'You do not have sufficient permissions to access this page.' ) );
		}

		echo '<form action="#" method="post">';
		echo '<hr><select name="form-id">';
		if(isset($_POST['form-id'])){
			$this->form_id = $_POST['form-id'];
			foreach ( Gen_EU_Form_Parameters::FORM_PICKER as $slug => $form ) {
				if($slug == Gen_EU_Form_Parameters::FORM_PICKER[$this->form_id]){
					echo '<option value="' . esc_attr( $slug ) . '" selected>' . esc_html( $form['label'] ) . '</option>';
				}
				else{
					echo '<option value="' . esc_attr( $slug ) . '">' . esc_html( $form['label'] ) . '</option>';
				}
			}
		}
		else{
			foreach ( Gen_EU_Form_Parameters::FORM_PICKER as $slug => $form ) {
				if($slug == Gen_EU_Form_Parameters::ID){
					echo '<option value="' . esc_attr( $slug ) . '" selected>' . esc_html( $form['label'] ) . '</option>';
				}
				else{
					echo '<option value="' . esc_attr( $slug ) . '">' . esc_html( $form['label'] ) . '</option>';
				}
			}
		}
		echo '</select>';

		echo '<input type="submit" name="submit" value="Load form" />';
		echo '</form>';

		$this->error_list = new WP_Error();

		if(isset($_POST['form-id'])){
			$this->form_id = $_POST['form-id'];
			$data_source      = GEN_EU_Caldera_Forms_Data_Collector::get_instance($this->form_id);
			echo '<h1>GEN EU Registration Dashboard ' . Gen_EU_Form_Parameters::FORM_PICKER[$this->form_id]['label'] . '</h1>';
			echo '<hr>';
		}
		else{
			echo '<h1>GEN EU Registration Dashboard ' . Gen_EU_Form_Parameters::FORM_PICKER[GEN_EU_Form_Parameters::ID]['label'] . '</h1>';
			echo '<hr>';
			$data_source      = GEN_EU_Caldera_Forms_Data_Collector::get_instance( GEN_EU_Form_Parameters::ID );
		}		
		$dashboard        = GEN_EU_Dashboard_Loader::get_instance( $data_source ); // get instance of a singleton.
		GEN_EU_Dashboard_Viewer::display_dashboard( $dashboard );
	}
}