first commit

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

@@ -0,0 +1,132 @@
+<?php
+namespace ElementorPro\Modules\Forms\Classes;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly.
+}
+
+class Convertkit_Handler {
+	/*
+	 * @var Rest_Client
+	 */
+	private $rest_client = null;
+	private $api_key = '';
+
+	/**
+	 * Convertkit_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.convertkit.com/v3/' );
+	}
+
+	/**
+	 * validate api key
+	 *
+	 * @return bool
+	 * @throws \Exception
+	 */
+	private function is_valid_api_key() {
+		$forms = $this->get_forms();
+		if ( ! empty( $forms ) ) {
+			return true;
+		}
+		$this->api_key = '';
+
+		return false;
+	}
+
+	public function get_forms_and_tags() {
+		$forms = $this->get_forms();
+		$tags = $this->get_tags();
+
+		return [
+			'data' => [
+				'forms' => $forms['forms'],
+				'tags' => $tags['tags'],
+			],
+		];
+	}
+
+	/**
+	 * get GetResponse lists associated with API key
+	 * @return array
+	 * @throws \Exception
+	 */
+	public function get_forms() {
+		$results = $this->rest_client->get( 'forms/?api_key=' . $this->api_key );
+
+		$forms = [
+			'' => esc_html__( 'Select...', 'elementor-pro' ),
+		];
+
+		if ( ! empty( $results['body']['forms'] ) ) {
+			foreach ( $results['body']['forms'] as $index => $form ) {
+				if ( ! is_array( $form ) ) {
+					continue;
+				}
+				$forms[ $form['id'] ] = $form['name'];
+			}
+		}
+
+		$return_array = [
+			'forms' => $forms,
+		];
+
+		return $return_array;
+	}
+
+	public function get_tags() {
+		$results = $this->rest_client->get( 'tags/?api_key=' . $this->api_key );
+
+		$tags = [
+			'' => esc_html__( 'Select...', 'elementor-pro' ),
+		];
+
+		if ( ! empty( $results['body']['tags'] ) ) {
+			foreach ( $results['body']['tags'] as $index => $tag ) {
+				if ( ! is_array( $tag ) ) {
+					continue;
+				}
+				$tags[ $tag['id'] ] = $tag['name'];
+			}
+		}
+
+		$return_array = [
+			'tags' => $tags,
+		];
+
+		return $return_array;
+	}
+
+	/**
+	 * create contact at ConvertKit via api
+	 *
+	 * @param array $subscriber_data
+	 *
+	 * @return array|mixed
+	 * @throws \Exception
+	 */
+	public function create_subscriber( $form_id, $subscriber_data = [] ) {
+		$endpoint = sprintf( 'forms/' . $form_id . '/subscribe?api_key=%s', $this->api_key );
+		$this->rest_client->add_headers( 'Content-Type', 'application/json' );
+
+		return $this->rest_client->post( $endpoint, $subscriber_data );
+	}
+}