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Also update tag last discussion info

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This commit is contained in:
Toby Zerner 2015-06-19 09:07:19 +09:30
parent d656d0ddb5
commit cf89af4266
2 changed files with 51 additions and 7 deletions
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22
extensions/tags/src/Handlers/TagMetadataUpdater.php
View File

@ -19,31 +19,41 @@ class TagMetadataUpdater
{ {
$tags = $event->discussion->tags(); $tags = $event->discussion->tags();
$this->updateTagCounts($tags, 1); $this->updateTags($tags, 1, $event->discussion);
} }
public function whenDiscussionWasTagged(DiscussionWasTagged $event) public function whenDiscussionWasTagged(DiscussionWasTagged $event)
{ {
$oldTags = Tag::whereIn('id', array_pluck($event->oldTags, 'id')); $oldTags = Tag::whereIn('id', array_pluck($event->oldTags, 'id'));
$this->updateTagCounts($oldTags, -1); $this->updateTags($oldTags, -1, $event->discussion);
$newTags = $event->discussion->tags(); $newTags = $event->discussion->tags();
$this->updateTagCounts($newTags, 1); $this->updateTags($newTags, 1, $event->discussion);
} }
public function whenDiscussionWasDeleted(DiscussionWasDeleted $event) public function whenDiscussionWasDeleted(DiscussionWasDeleted $event)
{ {
$tags = $event->discussion->tags(); $tags = $event->discussion->tags();
$this->updateTagCounts($tags, -1); $this->updateTags($tags, -1, $event->discussion);
$tags->detach(); $tags->detach();
} }
protected function updateTagCounts($query, $delta) protected function updateTags($query, $delta, $discussion)
{ {
$query->update(['discussions_count' => app('db')->raw('discussions_count + '.$delta)]); foreach ($query->get() as $tag) {
$tag->discussions_count += $delta;
if ($delta > 0 && max($discussion->start_time, $discussion->last_time) > $tag->last_time) {
$tag->setLastDiscussion($discussion);
} elseif ($delta < 0 && $discussion->id == $tag->last_discussion_id) {
$tag->refreshLastDiscussion();
}
$tag->save();
}
} }
} }

36
extensions/tags/src/Tag.php
View File

@ -1,6 +1,7 @@
<?php namespace Flarum\Tags; <?php namespace Flarum\Tags;
use Flarum\Core\Models\Model; use Flarum\Core\Models\Model;
use Flarum\Core\Models\Discussion;
use Flarum\Core\Support\Locked; use Flarum\Core\Support\Locked;
use Flarum\Core\Support\VisibleScope; use Flarum\Core\Support\VisibleScope;
@ -23,10 +24,43 @@ class Tag extends Model
return $this->belongsTo('Flarum\Core\Models\Discussion', 'last_discussion_id'); return $this->belongsTo('Flarum\Core\Models\Discussion', 'last_discussion_id');
} }
public function discussions()
{
return $this->belongsToMany('Flarum\Core\Models\Discussion', 'discussions_tags');
}
/**
* Refresh a tag's last discussion details.
*
* @return $this
*/
public function refreshLastDiscussion()
{
if ($lastDiscussion = $this->discussions()->orderBy('last_time', 'desc')->first()) {
$this->setLastDiscussion($lastDiscussion);
}
return $this;
}
/**
* Set the tag's last discussion details.
*
* @param \Flarum\Core\Models\Discussion $discussion
* @return $this
*/
public function setLastDiscussion(Discussion $discussion)
{
$this->last_time = $discussion->last_time;
$this->last_discussion_id = $discussion->id;
return $this;
}
public static function getVisibleTo($user) public static function getVisibleTo($user)
{ {
static $tags; static $tags;
if (!$tags) { if (! $tags) {
$tags = static::all(); $tags = static::all();
} }