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✏️ Editing: class-basic-mailchimp.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://codesupply.co
 * @since      1.0.0
 *
 * @package    Basic MailChimp
 * @subpackage 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    Basic Shortcodes
 * @subpackage Includes
 * @author     Code Supply Co. <hello@codesupply.co>
 */
class Basic_MailChimp {

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

/**
	 * The admin-specific functionality of the plugin.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      Basic_Shortcodes_Admin    $admin    All fucntions for the admin panel.
	 */
	protected $admin;

/**
	 * The public-facing functionality of the plugin.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      Basic_Shortcodes_Public    $public   All fucntions for the site frontend.
	 */
	protected $public;

/**
	 * 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() {

$this->plugin_name = 'basic-mailchimp';
		$this->version     = '1.1.4';

$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:
	 *
	 * - Basic_Shortcodes_Loader. Orchestrates the hooks of the plugin.
	 * - Basic_Shortcodes_i18n. Defines internationalization functionality.
	 * - Basic_Shortcodes_Admin. Defines all hooks for the admin area.
	 * - Basic_Shortcodes_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() {

/**
		 * MailChimp API.
		 */
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'extra/MailChimp.php';

/**
		 * Functions for the plugin.
		 */
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'includes/basic-mailchimp-functions.php';

/**
		 * The class responsible for orchestrating the actions and filters of the
		 * core plugin.
		 */
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'includes/class-basic-mailchimp-loader.php';

/**
		 * The class responsible for defining internationalization functionality
		 * of the plugin.
		 */
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'includes/class-basic-mailchimp-i18n.php';

/**
		 * The class responsible for defining all actions that occur in the admin area.
		 */
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/class-basic-mailchimp-admin.php';

/**
		 * The class responsible for defining all actions that occur in the public-facing
		 * side of the site.
		 */
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'public/class-basic-mailchimp-public.php';

/**
		 * Init Classes
		 */
		$this->loader = new Basic_MailChimp_Loader();
		$this->admin  = new Basic_MailChimp_Admin( $this->get_plugin_name(), $this->get_version() );
		$this->public = new Basic_MailChimp_Public( $this->get_plugin_name(), $this->get_version() );
	}

/**
	 * Define the locale for this plugin for internationalization.
	 *
	 * Uses the Basic_MailChimp_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 Basic_MailChimp_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() {
		$this->loader->add_action( 'bmc_mailchimp_template', $this, 'register_mailchimp_form' );
		$this->loader->add_action( 'init', $this, 'register_shortcode' );
		$this->loader->add_action( 'widgets_init', $this, 'register_widget' );
		$this->loader->add_action( 'admin_menu', $this->admin, 'register_options_page' );
	}

/**
	 * 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() {

$this->loader->add_action( 'wp_enqueue_scripts', $this->public, 'enqueue_styles' );
		$this->loader->add_action( 'wp_enqueue_scripts', $this->public, 'enqueue_scripts' );
		$this->loader->add_action( 'wp_ajax_bmc_mailchimp_adduser', $this->public, 'bmc_mailchimp_adduser' );
		$this->loader->add_action( 'wp_ajax_nopriv_bmc_mailchimp_adduser', $this->public, 'bmc_mailchimp_adduser' );
	}

/**
	 * Register Form Template
	 *
	 * @since    1.0.0
	 * @param strint $list_id MailChimp list id.
	 */
	public function register_mailchimp_form( $list_id = null ) {
		$token = get_option( 'bmc_mailchimp_token' );

if ( $token ) {

if ( ! $list_id || 'default' === $list_id ) {
				$list_id = get_option( 'bmc_mailchimp_list' );
			}

if ( $list_id ) {
				?>
					<form method="post" class="bmc-form mailchimp-subscription">

<?php wp_nonce_field( 'bmc_mailchimp_action','bmc_mailchimp_nonce' ); ?>

</form>
				<?php
			} else {
				?>
					<p class="bmc-alert alert alert-warning">
						<?php esc_html_e( 'Please select the "List" for the subscription form (Settings &rarr; MailChimp &rarr; List)!', 'basic-mailchimp' ); ?>
					</p>
				<?php
			}
		} else {
			?>
				<p class="bmc-alert alert alert-warning">
					<?php esc_html_e( 'The "MailChimp Token" field in the Settings &rarr; MailChimp is required!', 'basic-mailchimp' ); ?>
				</p>
			<?php
		}
	}

/**
	 * Register Shortcode
	 *
	 * @since    1.0.0
	 * @access   private
	 */
	public function register_shortcode() {
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'includes/basic-mailchimp-shortcode.php';
	}

/**
	 * Register Widget
	 *
	 * @since    1.0.0
	 * @access   private
	 */
	public function register_widget() {
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'includes/class-basic-mailchimp-widget.php';

register_widget( 'Basic_MailChimp_Widget' );
	}

/**
	 * 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    Basic_MailChimp_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;
	}
}

MR SKB