/**
* Fill the queue with upgrade tasks.
*
* @param string $currentVer
* the original revision.
* @param string $latestVer
* the target (final) revision.
* @param string $postUpgradeMessageFile
* path of a modifiable file which lists the post-upgrade messages.
*
* @return CRM_Queue_Service
*/
public static function buildQueue($currentVer, $latestVer, $postUpgradeMessageFile)
{
$upgrade = new CRM_Upgrade_Form();
// hack to make 4.0.x (D7,J1.6) codebase go through 3.4.x (d6, J1.5) upgrade files,
// since schema wise they are same
if (CRM_Upgrade_Form::getRevisionPart($currentVer) == '4.0') {
$currentVer = str_replace('4.0.', '3.4.', $currentVer);
}
// Ensure that queue can be created
if (!CRM_Queue_BAO_QueueItem::findCreateTable()) {
CRM_Core_Error::fatal(ts('Failed to find or create queueing table'));
}
$queue = CRM_Queue_Service::singleton()->create(array('name' => self::QUEUE_NAME, 'type' => 'Sql', 'reset' => TRUE));
$revisions = $upgrade->getRevisionSequence();
foreach ($revisions as $rev) {
// proceed only if $currentVer < $rev
if (version_compare($currentVer, $rev) < 0) {
$beginTask = new CRM_Queue_Task(array('CRM_Upgrade_Form', 'doIncrementalUpgradeStart'), array($rev), "Begin Upgrade to {$rev}");
$queue->createItem($beginTask);
$task = new CRM_Queue_Task(array('CRM_Upgrade_Form', 'doIncrementalUpgradeStep'), array($rev, $currentVer, $latestVer, $postUpgradeMessageFile), "Upgrade DB to {$rev}");
$queue->createItem($task);
$task = new CRM_Queue_Task(array('CRM_Upgrade_Form', 'doIncrementalUpgradeFinish'), array($rev, $currentVer, $latestVer, $postUpgradeMessageFile), "Finish Upgrade DB to {$rev}");
$queue->createItem($task);
}
}
return $queue;
}
