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<?php
namespace AutomateWoo;
if ( ! defined( 'ABSPATH' ) ) { die(); }
/** * Integration class for Mailchimp. * * @class Integration_Mailchimp */ class Integration_Mailchimp extends Integration {
/** * ID of this integration. * * @var string */ public $integration_id = 'mailchimp';
/** * The Mailchimp API key. * * @var string */ private $api_key;
/** * The root API URL for Mailchimp. * * @var string */ private $api_root = 'https://<dc>.api.mailchimp.com/3.0';
/** * Constructor. * * @param string $api_key The Mailchimp API key. */ public function __construct( $api_key ) { list( $key, $data_center ) = explode( '-', $api_key );
$this->api_key = $key; $this->api_root = str_replace( '<dc>', $data_center, $this->api_root ); }
/** * Test the current API key to confirm that AutomateWoo can communicate with the Mailchimp API * * @return bool */ public function test_integration(): bool { return $this->request( 'GET', '/' )->is_successful(); }
/** * Check if the integration is enabled. * * @return bool */ public function is_enabled(): bool { return (bool) Options::mailchimp_enabled(); }
/** * Make a request to the API. * * @param string $method The request method. * @param string $endpoint The request endpoint. * @param array $args Additional request arguments. * * @return Remote_Request */ public function request( $method, $endpoint, $args = [] ) { $request_args = [ 'headers' => [ 'Authorization' => 'Basic ' . base64_encode( 'anystring:' . $this->api_key ), ], 'timeout' => 15, 'method' => $method, 'sslverify' => false, ];
$url = $this->api_root . $endpoint;
switch ( $method ) { case 'GET': // SEMGREP WARNING EXPLANATION // This is escaped with esc_url_raw, but semgrep only takes into consideration esc_url. $url = esc_url_raw( add_query_arg( array_map( 'urlencode', $args ), $url ) ); break;
default: $request_args['body'] = wp_json_encode( $args ); break; }
$request = new Remote_Request( $url, $request_args ); $this->maybe_log_request_errors( $request );
return $request; }
/** * Get Mailchimp lists. * * @return array */ public function get_lists() { $cache = Cache::get_transient( 'mailchimp_lists' ); if ( $cache ) { return $cache; }
$request = $this->request( 'GET', '/lists', [ 'count' => 100, ] );
$clean_lists = [];
if ( $request->is_successful() ) { $body = $request->get_body();
if ( is_array( $body['lists'] ) ) { foreach ( $body['lists'] as $list ) { $clean_lists[ $list['id'] ] = $list['name']; } } }
Cache::set_transient( 'mailchimp_lists', $clean_lists, 0.15 );
return $clean_lists; }
/** * Get the fields for a particular list. * * @param string $list_id The list ID. * * @return array */ public function get_list_fields( $list_id ) { if ( ! $list_id ) { return []; }
$cache_key = "mailchimp_list_fields_$list_id"; $cache = Cache::get_transient( $cache_key ); if ( $cache ) { return (array) $cache; }
$request = $this->request( 'GET', "/lists/$list_id/merge-fields", [ 'count' => 100, ] );
if ( ! $request->is_successful() ) { return []; }
$body = $request->get_body(); $fields = isset( $body['merge_fields'] ) ? $body['merge_fields'] : [];
Cache::set_transient( $cache_key, $fields, 0.15 );
return $fields; }
/** * Get interest categories for a particular list. * * @param string $list_id The list ID. * @return array */ public function get_list_interest_categories( $list_id ) { if ( ! $list_id ) { return []; }
$cache_key = "mc_list_interests_$list_id"; $cache = Cache::get_transient( $cache_key ); if ( $cache ) { return (array) $cache; }
$data = []; $request = $this->request( 'GET', "/lists/$list_id/interest-categories", [ 'count' => 100, ] );
if ( ! $request->is_successful() ) { return []; }
$body = $request->get_body(); $categories = isset( $body['categories'] ) ? (array) $body['categories'] : []; foreach ( $categories as $category ) { $data[ $category['id'] ] = [ 'id' => $category['id'], 'title' => $category['title'], 'interests' => $this->get_interest_categories_interests( $list_id, $category['id'] ), ]; }
Cache::set_transient( $cache_key, $data, 0.15 );
return $data; }
/** * Get interests for a particular category from the API. * * Protected method due to not being cached, use $this->get_list_interest_categories() * * @param string $list_id The list ID. * @param string $category_id The category ID. * * @return array */ protected function get_interest_categories_interests( $list_id, $category_id ) { $data = []; $request = $this->request( 'GET', "/lists/$list_id/interest-categories/$category_id/interests", [ 'count' => 100, ] );
if ( ! $request->is_successful() ) { return []; }
$body = $request->get_body(); $interests = isset( $body['interests'] ) ? (array) $body['interests'] : []; foreach ( $interests as $interest ) { $data[ $interest['id'] ] = $interest['name']; }
return $data; }
/** * Determine whether a contact is part of the given list. * * This does not reveal whether they are a subscriber. For that, see the is_subscribed_to_list() method. * * @param string $email The email address. * @param string $list_id The list ID. * * @return bool */ public function is_contact( $email, $list_id ) { $status = $this->get_subscriber_status_for_list( $email, $list_id );
return '' !== $status && '404' !== $status; }
/** * Determine whether a contact is subscribed to the given list. * * This method should be used for determining if a customer is subscribed to marketing emails. For transactional * emails, * * @param string $email The email address. * @param string $list_id The Mailchimp list ID. * * @return bool */ public function is_subscribed_to_list( $email, $list_id ) { $status = $this->get_subscriber_status_for_list( $email, $list_id );
return 'subscribed' === $status; }
/** * Update interest groups for a contact. * * $interests should be an array with the interest ID as the key and * true or false as the value, depending on whether adding or removing the group * * @param string $email The contact's email address. * @param string $list_id The list ID. * @param array $interests Array of interests. * * @return Remote_Request */ public function update_contact_interest_groups( $email, $list_id, $interests ) { $subscriber_hash = md5( $email );
$args = [ 'email_address' => $email, 'status_if_new' => 'subscribed', 'interests' => $interests, ];
return $this->request( 'PUT', "/lists/$list_id/members/$subscriber_hash", $args ); }
/** * Clear the cache for lists. */ public function clear_cache_data() { Cache::delete_transient( 'mailchimp_lists' ); }
/** * Get the subscriber information for a particular list. * * @param string $email The email address to check. * @param string $list_id The list ID. * * @return string */ private function get_subscriber_status_for_list( $email, $list_id ) { // Check the cache first. $cache_key = "mailchimp_status_for_list_{$list_id}"; if ( Temporary_Data::exists( $cache_key, $email ) ) { return Temporary_Data::get( $cache_key, $email ); }
$email_hash = md5( $email );
// will return 404 if subscriber doesn't exists, so don't log errors for this request $this->log_errors = false; $request = $this->request( 'GET', "/lists/{$list_id}/members/{$email_hash}", [] ); $this->log_errors = true;
// Bail and don't cache the HTTP error. if ( $request->is_http_error() ) { return ''; }
$body = $request->get_body(); $status = isset( $body['status'] ) ? (string) $body['status'] : '';
Temporary_Data::set( $cache_key, $email, $status );
return $status; }
/** * Get the tags for a particular member. * * @since 4.8.0 * * @param string $email The member's email address. * @param string $list_id The list ID. * * @return array */ public function get_member_tags( $email, $list_id ) { $return = []; $hash = md5( $email ); $request = $this->request( 'GET', "/lists/{$list_id}/members/{$hash}/tags", [ 'count' => 100, ] );
if ( ! $request->is_successful() ) { return $return; }
$body = $request->get_body(); $tags = isset( $body['tags'] ) ? (array) $body['tags'] : []; foreach ( $tags as $tag ) { $return[ strtolower( $tag['name'] ) ] = $tag['name']; }
return $return; }
/** * Update the tags for a particular member. * * The array of $tags should have the tag name as an index, and either true or false * as a value. Tags with "true" as a value will be added to the member, and tags * with "false" as a value will be removed from the member. * * Example: Add tag "top buyer" and remove "no sales": * * [ * 'top buyer' => true, * 'no sales' => false, * ] * * @since 4.8.0 * * @param string $email The member's email address. * @param string $list_id The list ID. * @param array $tags Array of tags to update. * * @return Remote_Request The request */ public function update_member_tags( $email, $list_id, $tags ) { $hash = md5( $email ); $args = []; foreach ( $tags as $tag => $active ) { $args[] = [ 'name' => (string) $tag, // Must be a string. 'status' => $active ? 'active' : 'inactive', ]; }
return $this->request( 'POST', "/lists/{$list_id}/members/{$hash}/tags", [ 'tags' => $args, ] ); } }
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