/**
* Ajax leave
*/
public function leave()
{
$my = JXFactory::getUser();
$group = JTable::getInstance('Group', 'StreamTable');
$group->load(JRequest::getVar('group_id'));
/* update activity table */
$activity = new StreamActivity();
$activity->update($my->id, 'groups');
// If you leave, you also unfollow a group
$group->followers = JXUtility::csvRemove($group->followers, $my->id);
$group->members = JXUtility::csvRemove($group->members, $my->id);
$group->store();
// Store user cache
$groupList = $my->getParam('groups_member');
$groupList = JXUtility::csvRemove($groupList, $group->id);
$my->setParam('groups_member', $groupList);
$my->save();
$data = array();
// leaving private group should redirect to group list page to avoid error msg
if ($group->access) {
$data['redirect'] = JRoute::_('index.php?option=com_stream&view=groups', FALSE);
} else {
$data['redirect'] = JRoute::_('index.php?option=com_stream&view=groups&task=show&group_id=' . $group->id, FALSE);
}
header('Content-Type: text/json');
echo json_encode($data);
exit;
}
/**
* Save stream
*/
public function save()
{
// Store stream
$message_id = JRequest::getInt('message_id');
$streamModel = StreamFactory::getModel('stream');
$stream = JTable::getInstance('Stream', 'StreamTable');
$stream->load($message_id);
$my = JXFactory::getUser();
if (!$my->authorise('stream.message.edit', $stream)) {
exit;
}
/* update the activity records */
$activity = new StreamActivity();
$activity->update($my->id, $stream->type);
// Update attachement there might be addition and removals
$oldFiles = $stream->getFiles();
$oldMilestone = isset($stream->getData()->milestone) ? $stream->getData()->milestone : null;
$stream->bind(JRequest::get('POST', JREQUEST_ALLOWRAW));
// Checking on invalid data type
if (JRequest::getVar('type') == 'event') {
/* this rarely happen but will do if somehow javascript validation is skipped */
$eventModel = StreamFactory::getModel('events');
$fallbackEventDuration = $eventModel->determinedEventDuration(JRequest::getVar('start_date'), JRequest::getVar('end_date'));
$stream->start_date = strpos(JRequest::getVar('start_date'), '0000-00-00 00:00') === false ? JRequest::getVar('start_date') : $fallbackEventDuration['startDate']->format('Y-m-d h:i');
$stream->end_date = strpos(JRequest::getVar('end_date'), '0000-00-00 00:00') === false ? JRequest::getVar('end_date') : $fallbackEventDuration['endDate']->format('Y-m-d h:i');
}
// edit should re-save the linkable link
$stream->setParam('linkable_link', JRequest::getVar('linkable_link'));
// Custom filtering
$this->_filterVideoURL($stream);
$this->_filterSlideShare($stream);
// If location is specified, validate them
$stream->setParam('loc_valid', 0);
if (JRequest::getVar('location')) {
jimport('joomla.utilities.map');
if (JMap::validateAddress(JRequest::getVar('location'))) {
$stream->setParam('loc_valid', 1);
}
$stream->setParam('hide_map', JRequest::getVar('hide_map', '0'));
} else {
$rawData = json_decode($stream->raw);
$rawData->location = "";
$stream->raw = json_encode($rawData);
$stream->store();
}
// When edit the stream message, also need to process the tags
$hashtags = StreamMessage::getHashtags($stream->message);
$rawData = json_decode($stream->raw);
foreach ($hashtags as $tag) {
$unsupportedChars = array(',');
$tag = str_replace($unsupportedChars, '', $tag);
$hashedTag = '#' . trim($tag) . '#';
if (!JXUtility::csvExist($rawData->tags, $hashedTag)) {
$tagsTrend = new StreamTag();
$tagsTrend->updateTrending($tag, $stream->group_id, true);
$rawData->tags = JXUtility::csvInsert($rawData->tags, $hashedTag);
// only update the hit if it is a newly added tag
$hashtag = JTable::getInstance('Hashtag', 'StreamTable');
$hashtag->load(array('hashtag' => $tag));
$hashtag->hit();
$hashtag->store();
}
}
$stream->raw = json_encode($rawData);
$pinTill = JRequest::getString('pinned', 0);
if ($pinTill) {
// Update pin to top status
$pinTillDate = new JDate($stream->created);
$pinTillDate->modify('+' . $pinTill);
$stream->updated = $pinTillDate->toMySQL();
$stream->store(true);
} else {
// If save is done within 5 mins of last edit, do not update the 'updated' time
$now = new JDate();
$updated = new JDate($stream->updated);
$timediff = JXDate::timeDifference($updated->toUnix(), $now->toUnix());
$stream->pinned = 0;
$stream->store($timediff['days'] == 0 && $timediff['hours'] == 0 && $timediff['minutes'] < STREAM_EDIT_INTERVAL);
}
// Delete file attachment that are no longer used
$newFiles = $stream->getFiles();
$requestFiles = JRequest::getVar('attachment', array());
foreach ($oldFiles as $file) {
if (!in_array($file->id, $requestFiles)) {
$file->delete();
}
}
if (JRequest::getVar('group_id')) {
$group = JTable::getInstance('Group', 'StreamTable');
$group->load(JRequest::getVar('group_id'));
if ($group) {
// the parameter need to be updated otherwise stream will be visible when moved to private group
$stream->setParam('group_id', $group->id);
$stream->access = $group->access;
$stream->store(true);
// Upgrade group stats if necessary
$group->setParam('last_message', $stream->id);
$group->setParam('message_count', $streamModel->countStream(array('group_id' => $group->id)));
$group->setParam($stream->type . '_count', $streamModel->countStream(array('group_id' => $group->id, 'type' => $stream->type)));
$group->store();
}
}
// For all new attachment, we need to set their owner
$fileModel = StreamFactory::getModel('files');
$fileModel->updateOwner($stream);
// Update related milestone
$this->_updateMilestone($stream, $oldMilestone);
$data = array();
$data['html'] = $stream->getHTML();
$data['id'] = $message_id;
header('Content-Type: text/json');
echo json_encode($data);
exit;
}