/** This takes the total tree and adds 'last' data to it */
protected function addChannelLastData()
{
$cacheKey = 'vB_ChTreeWithLast';
$cacheLife = vB::getDatastore()->getOption('channeltreelife');
if (!isset($cacheLife)) {
$cacheLife = 1;
}
if ($cacheLife > 0) {
$channels = vB_Cache::instance(vB_Cache::CACHE_LARGE)->read($cacheKey);
if (!empty($channels)) {
return $channels;
}
}
$channels = vB_Cache::instance(vB_Cache::CACHE_LARGE)->read("vB_ChannelTree_Total");
if (empty($channels)) {
$channels = $this->getChannelTree();
}
$nodes = $this->library->getNodes(array_keys($channels));
$lastNodes = array();
//Let's put avatars in the array so the template doesn't need to fetch them.
$authors = array();
foreach ($nodes as $node) {
if (!empty($channels[$node['nodeid']])) {
$channels[$node['nodeid']]['textcount'] = $node['textcount'];
$channels[$node['nodeid']]['totalcount'] = $node['totalcount'];
// 'noDetail' is a construct added to the "userTree", and not the complete channel tree.
// See getUserChannels() where it's added to the tree that's saved with the key vB_ChannelTreeRaw_$userid,
// not vB_ChTreeWithLast or vB_ChannelTree_Total
$channels[$node['nodeid']]['viewing'] = 0;
//@TODO: is the number of 'viewing' users implemented in api?
$channels[$node['nodeid']]['lastcontent'] = array('nodeid' => $node['lastcontentid'], 'authorname' => $node['lastcontentauthor'], 'userid' => $node['lastauthorid'], 'starter' => array(), 'created' => $node['lastcontent']);
$authors[$node['lastauthorid']] = $node['lastauthorid'];
$lastNodes[] = $node['lastcontentid'];
// Couple issues with this
// First, 'topics' should contain the immediate topics (textcount) + all subchannels' topics
// Second, 'topics' is always user-dependent. If the user cannot view the channel (and subchannels),
// it should technically say 0.
// Third, this is done by addChannelTotals()
//$channels[$node['nodeid']]['topics'] = $node['textcount'];
}
}
//we preload the user information. That way the
$avatars = vB_Api::instanceInternal('user')->fetchAvatars($authors, true);
//Now we need to build the 'starter' array. since the node has the same route as its starter.
$lastNodes = $this->library->getNodes($lastNodes);
//getNodes returns the array with nodeid as the key, which is useful here.
$starters = array();
foreach ($lastNodes as $lastNode) {
if ($lastNode['starter'] != $lastNode['nodeid']) {
$starters[] = $lastNode['starter'];
}
}
if (!empty($starters)) {
$starters = $this->library->getNodes($starters);
foreach ($lastNodes as $index => $lastNode) {
if (isset($starters[$lastNode['starter']])) {
$lastNodes[$index] = $starters[$lastNode['starter']];
}
}
}
//now we can populate the starters sub-array, add avatars,
//and do the totals. We couldn't until we know we have the table fully populated.
foreach ($channels as $nodeid => $channel) {
if (empty($channel['noDetail'])) {
if (!empty($channel['lastcontent']['nodeid']) and isset($lastNodes[$channel['lastcontent']['nodeid']]) and $lastNodes[$channel['lastcontent']['nodeid']]['parentid'] == $nodeid) {
$lastnode = $lastNodes[$channel['lastcontent']['nodeid']];
$channels[$nodeid]['lastcontent']['starter'] = array('nodeid' => $lastnode['nodeid'], 'routeid' => $lastnode['routeid'], 'title' => $lastnode['title'], 'channelid' => $lastnode['parentid']);
$channels[$nodeid]['lastcontent']['title'] = $lastnode['title'];
if ($channel['lastcontent']['userid'] and !empty($avatars[$channel['lastcontent']['userid']])) {
$channels[$nodeid]['avatar'] = $avatars[$channel['lastcontent']['userid']];
} else {
$channels[$nodeid]['avatar'] = array();
}
}
}
}
if ($cacheLife > 0) {
vB_Cache::instance(vB_Cache::CACHE_LARGE)->write($cacheKey, $channels, $cacheLife, array('vB_ChannelStructure_chg'));
}
return $channels;
}
