/**
* Updates the gems database with the latest information about the surveys in this source adapter
*
* @param \Gems_Task_TaskRunnerBatch $batch
* @param int $userId Id of the user who takes the action (for logging)
* @return array Returns an array of messages
*/
public function synchronizeSurveyBatch(\Gems_Task_TaskRunnerBatch $batch, $userId)
{
// Surveys in Gems
$select = $this->_gemsDb->select();
$select->from('gems__surveys', array('gsu_id_survey', 'gsu_surveyor_id'))->where('gsu_id_source = ?', $this->getId())->order('gsu_surveyor_id');
$gemsSurveys = $this->_gemsDb->fetchPairs($select);
if (!$gemsSurveys) {
$gemsSurveys = array();
}
// Surveys in Source
$sourceSurveys = $this->_getSourceSurveysForSynchronisation();
if ($sourceSurveys) {
$sourceSurveys = array_combine($sourceSurveys, $sourceSurveys);
} else {
$sourceSurveys = array();
}
// Always those already in the database
foreach ($gemsSurveys as $surveyId => $sourceSurveyId) {
if (isset($sourceSurveys[$sourceSurveyId])) {
$batch->addTask('Tracker_CheckSurvey', $this->getId(), $sourceSurveyId, $surveyId, $userId);
$batch->addTask('Tracker_AddRefreshQuestions', $this->getId(), $sourceSurveyId, $surveyId);
} else {
// Do not pass the source id when it no longer exists
$batch->addTask('Tracker_CheckSurvey', $this->getId(), null, $surveyId, $userId);
}
}
// Now add the new ones
foreach (array_diff($sourceSurveys, $gemsSurveys) as $sourceSurveyId) {
$batch->addTask('Tracker_CheckSurvey', $this->getId(), $sourceSurveyId, null, $userId);
$batch->addTask('Tracker_AddRefreshQuestions', $sourceSurveyId, null, $userId);
}
}
