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<?php |
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/** |
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* Better Optin. |
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* |
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* @package BetterOptin |
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* @author ThemeAvenue <[email protected]> |
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* @license GPL-2.0+ |
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* @link http://themeavenue.net |
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* @copyright 2014 ThemeAvenue |
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* |
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* @wordpress-plugin |
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* Plugin Name: BetterOptin |
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* Plugin URI: https://betteropt.in/ |
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* Description: BetterOptin helps you convert your visitors in subscribers and fill up your mailing lists. |
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* Version: 2.0.0 |
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* Author: ThemeAvenue |
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* Author URI: https://themeavenue.net |
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* Text Domain: betteroptin |
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* License: GPL-2.0+ |
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* License URI: http://www.gnu.org/licenses/gpl-2.0.txt |
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* Domain Path: /languages |
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*/ |
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// If this file is called directly, abort. |
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if ( ! defined( 'WPINC' ) ) { |
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die; |
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} |
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if ( ! class_exists( 'BetterOptin' ) ): |
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/** |
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* Main BetterOptin class |
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* |
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* This class is the one and only instance of the plugin. It is used |
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* to load the core and all its components. |
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* |
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* @since 2.0 |
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*/ |
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final class BetterOptin { |
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/** |
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* @var BetterOptin Holds the unique instance of BetterOptin |
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* @since 2.0 |
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*/ |
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private static $instance; |
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/** |
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* Possible error message. |
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* |
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* @since 2.0 |
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* @var null|WP_Error |
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*/ |
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protected $error = null; |
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/** |
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* Instantiate and return the unique BetterOptin object |
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* |
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* @since 2.0 |
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* @return object BetterOptin Unique instance of BetterOptin |
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*/ |
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public static function instance() { |
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if ( ! isset( self::$instance ) && ! ( self::$instance instanceof BetterOptin ) ) { |
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// Instantiate |
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self::$instance = new BetterOptin; |
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self::$instance->init(); |
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} |
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return self::$instance; |
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} |
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/** |
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* Instantiate the plugin |
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* |
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* @since 2.0 |
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* @return void |
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*/ |
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private function init() { |
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self::$instance->setup_constants(); |
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// Make sure the WordPress version is recent enough |
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if ( ! self::$instance->are_dependencies_loaded() ) { |
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self::$instance->add_error( wp_kses_post( sprintf( __( 'BetterOptin cannot load because its dependencies are missing. If you don't know what this means, please purchase the pro version on %s', 'betteroptin' ), '<a href="https://betteropt.in/?utm_source=plugin&utm_medium=dependencies_nag&utm_campaign=upsell" target="_blank">https://betteropt.in</a>' ) ) ); |
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} |
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// If we have any error, don't load the plugin |
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if ( is_a( self::$instance->error, 'WP_Error' ) ) { |
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add_action( 'admin_notices', array( self::$instance, 'display_error' ), 10, 0 ); |
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return; |
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} |
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self::$instance->setup_database_constants(); |
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self::$instance->includes(); |
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self::$instance->load_providers(); |
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if ( is_admin() ) { |
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self::$instance->includes_admin(); |
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} |
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add_action( 'plugins_loaded', array( self::$instance, 'load_plugin_textdomain' ) ); |
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add_action( 'init', array( self::$instance, 'license_notification' ) ); |
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add_action( 'init', array( self::$instance, 'check_provider_ready' ) ); |
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} |
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/** |
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* Throw error on object clone |
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* |
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* The whole idea of the singleton design pattern is that there is a single |
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* object therefore, we don't want the object to be cloned. |
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* |
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* @since 2.0 |
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* @return void |
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*/ |
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public function __clone() { |
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// Cloning instances of the class is forbidden |
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_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'betteroptin' ), '2.0' ); |
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} |
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/** |
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* Disable unserializing of the class |
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* |
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* @since 2.0 |
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* @return void |
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*/ |
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public function __wakeup() { |
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// Unserializing instances of the class is forbidden |
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_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'betteroptin' ), '2.0' ); |
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} |
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/** |
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* Setup all plugin constants |
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* |
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* @since 2.0 |
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* @return void |
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*/ |
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private function setup_constants() { |
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define( 'WPBO_URL', trailingslashit( plugin_dir_url( __FILE__ ) ) ); |
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define( 'WPBO_PATH', trailingslashit( plugin_dir_path( __FILE__ ) ) ); |
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define( 'WPBO_BASENAME', plugin_basename( __FILE__ ) ); |
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define( 'WPBO_PLUGIN_FILE', __FILE__ ); |
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define( 'WPBO_VERSION', '2.0.0' ); |
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define( 'WPBO_DB_VERSION', '1' ); |
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} |
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private function are_dependencies_loaded() { |
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return is_dir( WPBO_PATH . 'vendor' ); |
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} |
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/** |
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* Add error. |
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* |
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* Add a new error to the WP_Error object |
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* and create the object if it doesn't exist yet. |
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* |
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* @since 2.0 |
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* |
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* @param string $message Error message to add |
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* |
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* @return void |
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*/ |
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private function add_error( $message ) { |
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if ( ! is_object( $this->error ) || ! is_a( $this->error, 'WP_Error' ) ) { |
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$this->error = new WP_Error(); |
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} |
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$this->error->add( 'addon_error', $message ); |
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} |
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/** |
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* Display error. |
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* |
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* Get all the error messages and display them |
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* in the admin notices. |
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* |
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* @since 2.0 |
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* @return void |
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*/ |
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public function display_error() { |
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if ( ! is_a( $this->error, 'WP_Error' ) ) { |
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return; |
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} |
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$message = self::$instance->error->get_error_messages(); ?> |
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<div class="error"> |
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<p> |
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<?php |
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if ( count( $message ) > 1 ) { |
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echo '<ul>'; |
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foreach ( $message as $msg ) { |
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echo "<li>$msg</li>"; |
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} |
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echo '</li>'; |
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} else { |
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echo $message[0]; |
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} |
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?> |
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</p> |
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</div> |
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<?php |
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} |
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/** |
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* Setup the custom database table constants |
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* |
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* @since 2.0 |
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* @return void |
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*/ |
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private function setup_database_constants() { |
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global $wpdb; |
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define( 'wpbo_analytics_table_name', 'wpbo_analytics' ); |
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define( 'wpbo_failsafe_table_name', 'wpbo_failsafe' ); |
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define( 'wpbo_analytics_table', $wpdb->prefix . wpbo_analytics_table_name ); |
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define( 'wpbo_failsafe_table', $wpdb->prefix . wpbo_failsafe_table_name ); |
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} |
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/** |
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* Include all files used sitewide |
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* |
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* @since 2.0 |
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* @return void |
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*/ |
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private function includes() { |
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if ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) { |
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require( WPBO_PATH . 'includes/scripts.php' ); |
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require( WPBO_PATH . 'includes/shortcode.php' ); |
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require( WPBO_PATH . 'includes/functions-templating.php' ); |
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require( WPBO_PATH . 'includes/functions-dummy.php' ); |
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} |
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require( WPBO_PATH . 'includes/class-popup.php' ); |
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require( WPBO_PATH . 'includes/functions-post-type.php' ); |
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require( WPBO_PATH . 'includes/functions-analytics.php' ); |
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require( WPBO_PATH . 'includes/functions-failsafe.php' ); |
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require( WPBO_PATH . 'includes/functions-popup.php' ); |
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require( WPBO_PATH . 'includes/functions-misc.php' ); |
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require( WPBO_PATH . 'includes/functions-ajax.php' ); |
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} |
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/** |
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* Include all files used in admin only |
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* |
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* @since 2.0 |
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* @return void |
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*/ |
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private function includes_admin() { |
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require( WPBO_PATH . 'includes/admin/functions-misc.php' ); |
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require( WPBO_PATH . 'vendor/julien731/wp-dismissible-notices-handler/handler.php' ); |
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if ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) { |
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require( WPBO_PATH . 'includes/admin/class-titan-framework.php' ); |
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require( WPBO_PATH . 'includes/admin/settings/settings-general.php' ); |
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require( WPBO_PATH . 'includes/admin/functions-menu.php' ); |
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require( WPBO_PATH . 'includes/admin/functions-metabox.php' ); |
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require( WPBO_PATH . 'includes/admin/functions-list-table.php' ); |
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require( WPBO_PATH . 'includes/install.php' ); |
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} |
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} |
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/** |
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* Load all the providers from the providers directory |
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* |
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* @since 2.0 |
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* @return void |
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*/ |
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private function load_providers() { |
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require( WPBO_PATH . 'includes/providers/wordpress/load.php' ); |
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require( WPBO_PATH . 'includes/providers/mailchimp/load.php' ); |
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require( WPBO_PATH . 'includes/providers/mailpoet/load.php' ); |
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require( WPBO_PATH . 'includes/providers/aweber/load.php' ); |
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} |
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/** |
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* Load the plugin text domain for translation. |
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* |
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* @since 1.0.0 |
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*/ |
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public function load_plugin_textdomain() { |
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apply_filters( 'plugin_locale', get_locale(), 'betteroptin' ); |
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load_plugin_textdomain( 'betteroptin', false, basename( plugin_dir_path( dirname( __FILE__ ) ) ) . '/languages/' ); |
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} |
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301
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/** |
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* Display an admin notice if license key is missing |
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* |
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* @since 2.0 |
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* @return void |
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*/ |
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public function license_notification() { |
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309
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if ( ! function_exists( 'DNH' ) ) { |
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return; |
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} |
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313
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$license = wpbo_get_option( 'license_key', '' ); |
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315
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/** |
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316
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* Do not show the notice if the license key has already been entered. |
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317
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*/ |
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318
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if ( ! empty( $license ) ) { |
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return; |
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320
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} |
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322
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$license_page = wpbo_get_settings_page_link(); |
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dnh_register_notice( 'wpbo_no_license', 'error', sprintf( __( 'You haven't entered your BetterOptin license key. This means that you will not get automatic updates and you will not get technical support. <a %s>Click here to enter your license key</a>.', 'betteroptin' ), "href='$license_page'" ), array( 'cap' => 'administrator' ) ); |
|
325
|
|
|
|
|
326
|
|
|
} |
|
327
|
|
|
|
|
328
|
|
|
/** |
|
329
|
|
|
* Make sure a provider is selected for the lead collection |
|
330
|
|
|
* |
|
331
|
|
|
* @since 2.0 |
|
332
|
|
|
* @return void |
|
333
|
|
|
*/ |
|
334
|
|
|
public function check_provider_ready() { |
|
335
|
|
|
|
|
336
|
|
|
if ( ! function_exists( 'DNH' ) ) { |
|
337
|
|
|
return; |
|
338
|
|
|
} |
|
339
|
|
|
|
|
340
|
|
|
if ( false !== wpbo_is_provider_ready() ) { |
|
341
|
|
|
return; |
|
342
|
|
|
} |
|
343
|
|
|
|
|
344
|
|
|
$license_page = wpbo_get_settings_page_link(); |
|
345
|
|
|
|
|
346
|
|
|
dnh_register_notice( 'wpbo_no_provider', 'error', sprintf( __( 'You haven't selected your provider for catching leads. <strong>BetterOptin will not work until you do so!</strong> <a %s>Click here to select your provider</a>.', 'betteroptin' ), "href='$license_page'" ) ); |
|
347
|
|
|
|
|
348
|
|
|
} |
|
349
|
|
|
|
|
350
|
|
|
} |
|
351
|
|
|
|
|
352
|
|
|
endif; |
|
353
|
|
|
|
|
354
|
|
|
/** |
|
355
|
|
|
* The main function responsible for returning the unique BetterOptin instance |
|
356
|
|
|
* |
|
357
|
|
|
* Use this function like you would a global variable, except without needing |
|
358
|
|
|
* to declare the global. |
|
359
|
|
|
* |
|
360
|
|
|
* @since 2.0 |
|
361
|
|
|
* @return object BetterOptin |
|
362
|
|
|
*/ |
|
363
|
|
|
function BO() { |
|
364
|
|
|
return BetterOptin::instance(); |
|
365
|
|
|
} |
|
366
|
|
|
|
|
367
|
|
|
// Get BetterOptin Running |
|
368
|
|
|
BO(); |
ThemeAvenue /
BetterOptin
