/**
* Checks the token table to see if there are any answered surveys to be processed
*
* If the survey was started (and the token was forwarded to limesurvey) we need to check
* if is was completed. If so, we might want to check the track the survey is in to enable
* or disable future rounds
*
* Does not reflect changes to tracks or rounds.
*
* @param string $batch_id A unique identifier for the current batch
* @param \Gems_Tracker_Token_TokenSelect Select statements selecting tokens
* @param int $userId Id of the user who takes the action (for logging)
* @return \Gems_Task_TaskRunnerBatch A batch to process the changes
*/
protected function processTokensBatch($batch_id, \Gems_Tracker_Token_TokenSelect $tokenSelect, $userId)
{
$where = implode(' ', $tokenSelect->getSelect()->getPart(\Zend_Db_Select::WHERE));
$batch = $this->loader->getTaskRunnerBatch($batch_id);
//Now set the step duration
$batch->minimalStepDurationMs = 3000;
if (!$batch->isLoaded()) {
$statement = $tokenSelect->getSelect()->query();
//Process one row at a time to prevent out of memory errors for really big resultsets
while ($tokenData = $statement->fetch()) {
$tokenId = $tokenData['gto_id_token'];
$batch->setTask('Tracker_CheckTokenCompletion', 'tokchk-' . $tokenId, $tokenId, $userId);
$batch->addToCounter('tokens');
}
}
return $batch;
}
/**
* Add relation to the select statement
*
* @param Gems_Tracker_Token_TokenSelect $select
*/
protected function _addRelation($select)
{
// now add a left join with the round table so we have all tokens, also the ones without rounds
if (!is_null($this->_gemsData['gto_id_relation'])) {
$select->forWhere('gto_id_relation = ?', $this->_gemsData['gto_id_relation']);
} else {
$select->forWhere('gto_id_relation IS NULL');
}
}