/**
* Creates a topic and a post inside a channel
* @param Channel $channel
* @param Member $member
* @param array $data Topic and post data: subject, content.
* @return self
*/
public static function createInChannel($channel, $member, $data)
{
$topic = new static();
$topic->subject = array_get($data, 'subject');
$topic->channel = $channel;
$topic->start_member = $member;
$post = new Post();
$post->topic = $topic;
$post->member = $member;
$post->content = array_get($data, 'content');
Db::transaction(function () use($topic, $post) {
$topic->save();
$post->save();
});
TopicFollow::follow($topic, $member);
$member->touchActivity();
return $topic;
}
private function followExistingPosts()
{
/*
* Follow exisiting posts
*/
$migrated = [];
foreach (Post::all() as $post) {
$code = $post->topic_id . '!' . $post->member_id;
if (isset($migrated[$code])) {
continue;
}
$migrated[$code] = true;
TopicFollow::insert(['topic_id' => $post->topic_id, 'member_id' => $post->member_id, 'created_at' => $post->created_at, 'updated_at' => $post->updated_at]);
}
}
public function onQuote()
{
if (!($user = Auth::getUser())) {
throw new ApplicationException('You should be logged in.');
}
if (!($post = PostModel::find(post('post')))) {
throw new ApplicationException('Unable to find that post.');
}
$result = $post->toArray();
$result['author'] = $post->member ? $post->member->username : '******';
return $result;
}
public function onUpdate()
{
$this->page['member'] = $member = $this->getMember();
$topic = $this->getTopic();
$post = PostModel::find(post('post'));
if (!$post->canEdit()) {
throw new ApplicationException('Permission denied.');
}
/*
* Supported modes: edit, view, delete, save
*/
$mode = post('mode', 'edit');
if ($mode == 'save') {
if (!$topic || !$topic->canPost()) {
throw new ApplicationException('You cannot edit posts or make replies.');
}
$post->save(post());
// First post will update the topic subject
if ($topic->first_post->id == $post->id) {
$topic->save(['subject' => post('subject')]);
}
} elseif ($mode == 'delete') {
$post->delete();
}
$this->page['mode'] = $mode;
$this->page['post'] = $post;
$this->page['topic'] = $topic;
}
