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<?php
/**
* Open controller class.
*
* @since 0.1
*/
namespace CiviCRM_WP_REST\Controller;
class Open extends Base {
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/**
* @var string
* The base route.
* @since 0.1
*/
protected $rest_base = 'open';
/**
* Registers routes.
*
* @since 0.1
*/
public function register_routes() {
register_rest_route($this->get_namespace(), $this->get_rest_base(), [
[
'methods' => \WP_REST_Server::READABLE,
'callback' => [$this, 'get_item'],
'permission_callback' => '__return_true',
'args' => $this->get_item_args(),
],
'schema' => [$this, 'get_item_schema'],
]);
}
/**
* Get item.
*
* @since 0.1
* @param WP_REST_Request $request
*/
public function get_item($request) {
$queue_id = $request->get_param('q');
// track open
\CRM_Mailing_Event_BAO_Opened::open($queue_id);
// serve tracker file
add_filter('rest_pre_serve_request', [$this, 'serve_tracker_file'], 10, 4);
}
/**
* Serves the tracker gif file.
*
* @since 0.1
* @param bool $served Whether the request has been served
* @param WP_REST_Response $result
* @param WP_REST_Request $request
* @param WP_REST_Server $server
* @return bool $served Whether the request has been served
*/
public function serve_tracker_file($served, $result, $request, $server) {
// tracker file path
$file = CIVICRM_PLUGIN_DIR . 'civicrm/i/tracker.gif';
// set headers
$server->send_header('Content-type', 'image/gif');
$server->send_header('Cache-Control', 'must-revalidate, post-check=0, pre-check=0');
$server->send_header('Content-Description', 'File Transfer');
$server->send_header('Content-Disposition', 'inline; filename=tracker.gif');
$server->send_header('Content-Length', filesize($file));
$buffer = readfile($file);
return TRUE;
}
/**
* Item schema.
*
* @since 0.1
* @return array $schema
*/
public function get_item_schema() {
return [
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'civicrm/v3/open',
'description' => __('CiviCRM Open endpoint', 'civicrm'),
'type' => 'object',
'required' => ['q'],
'properties' => [
'q' => [
'type' => 'integer',
],
],
];
}
/**
* Item arguments.
*
* @since 0.1
* @return array $arguments
*/
public function get_item_args() {
return [
'q' => [
'type' => 'integer',
'required' => TRUE,
'validate_callback' => function($value, $request, $key) {
return is_numeric($value);
},
],
];
}