/**
* Initializes CleverReach API if credentials are valid.
*
* @access public
* @return bool|null
*/
public function initialize_api()
{
if (!extension_loaded('soap')) {
return false;
}
if (!is_null($this->api)) {
return true;
}
/* Get the plugin settings */
$settings = $this->get_plugin_settings();
/* If the API Key is empty, return null. */
if (rgblank($settings['api_key'])) {
return null;
}
$this->log_debug(__METHOD__ . "(): Validating API info.");
/* Setup a new CleverReach API object. */
$cleverreach = new SoapClient($this->api_url);
/* Run a test request. */
$api_test = $cleverreach->clientGetDetails($settings['api_key']);
if ($api_test->statuscode == 0) {
/* Assign API object to class. */
$this->api = $cleverreach;
/* Assign API Key to class. */
$this->api_key = $settings['api_key'];
/* Log that test passed. */
$this->log_debug(__METHOD__ . '(): API credentials are valid.');
return true;
} else {
/* Log that test failed. */
$this->log_error(__METHOD__ . '(): API credentials are invalid; ' . $api_test->message);
return false;
}
}
