/**
* Checks the Language Confidence by trying to detect the correct language for a text using the LangId.Py Service.
* If LangId.Py is not set in configuration as it may not be available will return a negative confidence score and the default language: en.
*
* @param STRING $the_text :: The text to be checked
* @return ARRAY :: The LangId.Py detection result: [ service-available, lang-id, confidence-score, error-message ]
*
*/
public function getLanguageConfidence($the_text)
{
//--
if ((string) $this->langid_service_cfg['url'] == '') {
return (array) $this->formatLanguageConfidenceAnswer('en', -1);
// OK (LangID Service is not available ...)
}
//end if
//--
$this->is_service_available = true;
//--
$the_text = (string) trim((string) $the_text);
if ((string) $the_text == '') {
return (array) $this->formatLanguageConfidenceAnswer('en', -2, 'NOTICE: Empty Text to check ...');
}
//end if
//--
$http_client = new SmartHttpClient();
if ((string) SMART_FRAMEWORK_DEBUG_MODE == 'yes') {
$http_client->debug = 1;
}
//end if
//--
$http_timeout = (int) $http_timeout;
if ($http_timeout < 30) {
$http_timeout = 30;
}
//end if
if ($http_timeout > 300) {
$http_timeout = 300;
}
//end if
$http_client->connect_timeout = $http_timeout;
//--
$http_client->postvars = array('q' => (string) $the_text);
//--
$http_data = (array) $http_client->browse_url((string) $this->langid_service_cfg['url'], 'POST', (string) $this->langid_service_cfg['ssl'], (string) $this->langid_service_cfg['auth-user'], (string) $this->langid_service_cfg['auth-pass']);
//--
if ((string) $http_data['code'] != '200') {
return (array) $this->formatLanguageConfidenceAnswer('en', -3, 'Invalid HTTP Code != 200');
}
//end if
//--
$result = (array) Smart::json_decode($http_data['content']);
//--
if ($result['responseStatus'] != 200) {
return (array) $this->formatLanguageConfidenceAnswer('en', -4, 'Invalid (Json) Response Status != 200');
}
//end if
if (!is_array($result['responseData'])) {
return (array) $this->formatLanguageConfidenceAnswer('en', -5, 'Invalid (Json) Response Data Array');
}
//end if
//--
$result['responseData']['language'] = (string) trim(strtolower((string) $result['responseData']['language']));
$result['responseData']['confidence'] = (double) $result['responseData']['confidence'];
//--
if (strlen($result['responseData']['language']) != 2) {
return (array) $this->formatLanguageConfidenceAnswer('en', -6, 'Invalid Language ID Length: ' . $result['responseData']['language']);
}
//end if
//--
return (array) $this->formatLanguageConfidenceAnswer($result['responseData']['language'], $result['responseData']['confidence']);
// OK
//--
}
