first commit

wp-content/plugins/elementor-pro/modules/forms/classes/mailerlite-handler.php

@@ -0,0 +1,123 @@
+<?php
+namespace ElementorPro\Modules\Forms\Classes;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly.
+}
+
+class Mailerlite_Handler {
+	/**
+	 * @var Rest_Client
+	 */
+	private $rest_client = null;
+	private $api_key = '';
+
+	/**
+	 * Mailerlite_Handler constructor.
+	 *
+	 * @param $api_key
+	 *
+	 * @throws \Exception
+	 */
+	public function __construct( $api_key ) {
+		if ( empty( $api_key ) ) {
+			throw new \Exception( 'Invalid API key.' );
+		}
+		$this->init_rest_client( $api_key );
+		if ( ! $this->is_valid_api_key() ) {
+			throw new \Exception( 'Invalid API key.' );
+		}
+	}
+
+	private function init_rest_client( $api_key ) {
+		$this->api_key = $api_key;
+		$this->rest_client = new Rest_Client( 'https://api.mailerlite.com/api/v2/' );
+		$this->rest_client->add_headers( [
+			'X-MailerLite-ApiKey' => $api_key,
+			'Content-Type' => 'application/json',
+		] );
+	}
+
+	/**
+	 * validate api key
+	 *
+	 * @return bool
+	 * @throws \Exception
+	 */
+	private function is_valid_api_key() {
+		$groups = $this->rest_client->get( 'groups' );
+		if ( ! empty( $groups ) ) {
+			return true;
+		}
+		$this->api_key = '';
+
+		return false;
+	}
+
+	/**
+	 * get MailerLite groups associated with API key
+	 * @return array
+	 * @throws \Exception
+	 */
+	public function get_groups() {
+		$results = $this->rest_client->get( 'groups' );
+
+		$groups = [
+			'' => esc_html__( 'Select...', 'elementor-pro' ),
+		];
+
+		if ( 200 === $results['code'] ) {
+			foreach ( $results['body'] as $index => $group ) {
+				$groups[ $group['id'] ] = $group['name'];
+			}
+		}
+
+		$return_array = [
+			'groups' => $groups,
+			'fields' => $this->get_fields(),
+		];
+
+		return $return_array;
+	}
+
+	/**
+	 * get MailerLite fields associated with API key
+	 * @return array
+	 * @throws \Exception
+	 */
+	public function get_fields() {
+		$results = $this->rest_client->get( 'fields' );
+
+		$fields = [];
+		if ( ! empty( $results['body'] ) ) {
+			foreach ( $results['body'] as $index => $field ) {
+				if ( ! is_array( $field ) || empty( $field['date_updated'] ) ) {
+					continue;
+				}
+				$fields[] = [
+					'remote_label' => $field['title'],
+					'remote_type' => strtolower( $field['type'] ),
+					'remote_id' => $field['key'],
+					'remote_required' => false,
+				];
+			}
+		}
+
+		return $fields;
+	}
+
+	/**
+	 * create subscriber at drip via api
+	 *
+	 * @param string $group
+	 * @param array  $subscriber_data
+	 *
+	 * @return array|mixed
+	 * @throws \Exception
+	 */
+	public function create_subscriber( $group = '', $subscriber_data = [] ) {
+		$end_point = sprintf( 'groups/%s/subscribers', $group );
+
+		return $this->rest_client->post( $end_point, $subscriber_data );
+	}
+}