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wp-content/plugins/mailchimp-for-wp/integrations/custom/class-custom.php

@@ -0,0 +1,110 @@
+<?php
+
+defined( 'ABSPATH' ) or exit;
+
+/**
+ * Class MC4WP_Custom_Integration
+ * @ignore
+ */
+class MC4WP_Custom_Integration extends MC4WP_Integration {
+
+
+	/**
+	 * @var string
+	 */
+	protected $checkbox_name = 'mc4wp-subscribe';
+
+	/**
+	 * @var string
+	 */
+	public $name = 'Custom';
+
+	/**
+	 * @var string
+	 */
+	public $description = 'Integrate with custom third-party forms.';
+
+	/**
+	* Add hooks
+	*/
+	public function add_hooks() {
+		add_action( 'init', array( $this, 'listen' ), 50 );
+	}
+
+	/**
+	 * Was the integration checkbox checked?
+	 *
+	 * @return bool
+	 */
+	public function checkbox_was_checked() {
+		$data          = $this->get_data();
+		$value         = isset( $data[ $this->checkbox_name ] ) ? $data[ $this->checkbox_name ] : '';
+		$truthy_values = array( 1, '1', 'yes', true, 'true', 'y' );
+		return in_array( $value, $truthy_values, true );
+	}
+
+	/**
+	 * Maybe fire a general subscription request
+	 */
+	public function listen() {
+		if ( ! $this->checkbox_was_checked() ) {
+			return false;
+		}
+
+		$data = $this->get_data();
+
+		// don't run for CF7 or Events Manager requests
+		// (since they use the same "mc4wp-subscribe" trigger)
+		$disable_triggers = array(
+			'_wpcf7' => '',
+			'action' => 'booking_add',
+		);
+
+		foreach ( $disable_triggers as $trigger => $trigger_value ) {
+			if ( isset( $data[ $trigger ] ) ) {
+				$value = $data[ $trigger ];
+
+				// do nothing if trigger value is optional
+				// or if trigger value matches
+				if ( empty( $trigger_value ) || $value === $trigger_value ) {
+					return false;
+				}
+			}
+		}
+
+		// run!
+		return $this->process();
+	}
+
+	/**
+	 * Process custom form
+	 *
+	 * @return bool|string
+	 */
+	public function process() {
+		$parser = new MC4WP_Field_Guesser( $this->get_data() );
+		$data   = $parser->combine( array( 'guessed', 'namespaced' ) );
+
+		// do nothing if no email was found
+		if ( empty( $data['EMAIL'] ) ) {
+			$this->get_log()->warning( sprintf( '%s > Unable to find EMAIL field.', $this->name ) );
+			return false;
+		}
+
+		return $this->subscribe( $data );
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function is_installed() {
+		return true;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_ui_elements() {
+		return array( 'lists', 'double_optin', 'update_existing', 'replace_interests' );
+	}
+}