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wp-content/plugins/mailchimp-for-wp/includes/integrations/class-integration-manager.php

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+<?php
+
+/**
+ * Class MC4WP_Integration_Manager
+ *
+ * @ignore
+ * @access private
+ */
+class MC4WP_Integration_Manager {
+
+
+	/**
+	 * @var MC4WP_Integration_Fixture[]
+	 */
+	protected $integrations = array();
+
+	/**
+	 * @var MC4WP_Integration_Tags
+	 */
+	protected $tags;
+
+	/**
+	* Constructor
+	*/
+	public function __construct() {
+		$this->tags = new MC4WP_Integration_Tags();
+	}
+
+	/**
+	 * Add hooks
+	 */
+	public function add_hooks() {
+		add_action( 'after_setup_theme', array( $this, 'initialize' ) );
+
+		$this->tags->add_hooks();
+	}
+
+
+	/**
+	 * Add hooks
+	 */
+	public function initialize() {
+		/*** @var MC4WP_Integration_Fixture $integration */
+		$enabled_integrations = $this->get_enabled_integrations();
+
+		foreach ( $enabled_integrations as $integration ) {
+			$integration->load()->initialize();
+		}
+	}
+
+	/**
+	 * Get an integration instance
+	 *
+	 * @return MC4WP_Integration_Fixture[]
+	 * @throws Exception
+	 */
+	public function get_all() {
+		return $this->integrations;
+	}
+
+
+	/**
+	 * Get an integration instance
+	 *
+	 * @param string $slug
+	 * @return MC4WP_Integration
+	 * @throws Exception
+	 */
+	public function get( $slug ) {
+		if ( ! isset( $this->integrations[ $slug ] ) ) {
+			throw new Exception( sprintf( 'No integration with slug %s has been registered.', $slug ) );
+		}
+
+		return $this->integrations[ $slug ]->load();
+	}
+
+	/**
+	 * Register a new integration class
+	 *
+	 * @param string $slug
+	 * @param string $class
+	 * @param bool $enabled
+	 */
+	public function register_integration( $slug, $class, $enabled = false ) {
+		$raw_options                 = $this->get_integration_options( $slug );
+		$this->integrations[ $slug ] = new MC4WP_Integration_Fixture( $slug, $class, $enabled, $raw_options );
+	}
+
+	/**
+	 * Deregister an integration class
+	 *
+	 * @param string $slug
+	 */
+	public function deregister_integration( $slug ) {
+		if ( isset( $this->integrations[ $slug ] ) ) {
+			unset( $this->integrations[ $slug ] );
+		}
+	}
+
+	/**
+	 * Checks whether a certain integration is enabled (in the settings)
+	 *
+	 * This is decoupled from the integration class itself as checking an array is way "cheaper" than instantiating an object
+	 *
+	 * @param MC4WP_Integration_Fixture $integration
+	 *
+	 * @return bool
+	 */
+	public function is_enabled( MC4WP_Integration_Fixture $integration ) {
+		return $integration->enabled;
+	}
+
+	/**
+	 * @param MC4WP_Integration $integration
+	 * @return bool
+	 */
+	public function is_installed( $integration ) {
+		return $integration->is_installed();
+	}
+
+	/**
+	 * Get the integrations which are enabled
+	 *
+	 * - Some integrations are always enabled because they need manual work
+	 * - Other integrations can be enabled in the settings page
+	 * - Only returns installed integrations
+	 *
+	 * @return array
+	 */
+	public function get_enabled_integrations() {
+		// get all enabled integrations
+		$enabled_integrations = array_filter( $this->integrations, array( $this, 'is_enabled' ) );
+
+		// remove duplicate values, for whatever reason..
+		$enabled_integrations = array_unique( $enabled_integrations );
+
+		// filter out integrations which are not installed
+		$installed_enabled_integrations = array_filter( $enabled_integrations, array( $this, 'is_installed' ) );
+
+		return $installed_enabled_integrations;
+	}
+
+	/**
+	 * Gets all integration options in a keyed array
+	 *
+	 * @return array
+	 */
+	private function load_options() {
+		$options = (array) get_option( 'mc4wp_integrations', array() );
+
+		/**
+		 * Filters global integration options
+		 *
+		 * This array holds ALL integration settings
+		 *
+		 * @since 3.0
+		 * @param array $options
+		 * @ignore
+		 */
+		return (array) apply_filters( 'mc4wp_integration_options', $options );
+	}
+
+	/**
+	 * Gets the raw options for an integration
+	 *
+	 * @param $slug
+	 * @return array
+	 */
+	public function get_integration_options( $slug ) {
+		static $options;
+		if ( $options === null ) {
+			$options = $this->load_options();
+		}
+
+		return isset( $options[ $slug ] ) ? $options[ $slug ] : array();
+	}
+}