3 * Table Definition for fave
6 class Fave extends Managed_DataObject
8 public $__table = 'fave'; // table name
9 public $notice_id; // int(4) primary_key not_null
10 public $user_id; // int(4) primary_key not_null
11 public $uri; // varchar(191) not 255 because utf8mb4 takes more space not 255 because utf8mb4 takes more space
12 public $created; // datetime multiple_key not_null
13 public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
15 public static function schemaDef()
19 'notice_id' => array('type' => 'int', 'not null' => true, 'description' => 'notice that is the favorite'),
20 'user_id' => array('type' => 'int', 'not null' => true, 'description' => 'user who likes this notice'),
21 'uri' => array('type' => 'varchar', 'length' => 191, 'description' => 'universally unique identifier, usually a tag URI'),
22 'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
23 'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
25 'primary key' => array('notice_id', 'user_id'),
26 'unique keys' => array(
27 'fave_uri_key' => array('uri'),
29 'foreign keys' => array(
30 'fave_notice_id_fkey' => array('notice', array('notice_id' => 'id')),
31 'fave_user_id_fkey' => array('profile', array('user_id' => 'id')), // note: formerly referenced notice.id, but we can now record remote users' favorites
34 'fave_notice_id_idx' => array('notice_id'),
35 'fave_user_id_idx' => array('user_id', 'modified'),
36 'fave_modified_idx' => array('modified'),
42 * Save a favorite record.
43 * @fixme post-author notification should be moved here
45 * @param Profile $actor the local or remote Profile who favorites
46 * @param Notice $target the notice that is favorited
47 * @return Fave record on success
48 * @throws Exception on failure
50 static function addNew(Profile $actor, Notice $target) {
51 if (self::existsForProfile($target, $actor)) {
52 // TRANS: Client error displayed when trying to mark a notice as favorite that already is a favorite.
53 throw new AlreadyFulfilledException(_('You have already favorited this!'));
56 $act = new Activity();
57 $act->type = ActivityObject::ACTIVITY;
58 $act->verb = ActivityVerb::FAVORITE;
60 $act->id = self::newUri($actor, $target, common_sql_date($act->time));
61 $act->title = _("Favor");
62 // TRANS: Message that is the "content" of a favorite (%1$s is the actor's nickname, %2$ is the favorited
63 // notice's nickname and %3$s is the content of the favorited notice.)
64 $act->content = sprintf(_('%1$s favorited something by %2$s: %3$s'),
65 $actor->getNickname(), $target->getProfile()->getNickname(),
66 $target->rendered ?: $target->content);
67 $act->actor = $actor->asActivityObject();
68 $act->target = $target->asActivityObject();
69 $act->objects = array(clone($act->target));
71 $url = common_local_url('AtomPubShowFavorite', array('profile'=>$actor->id, 'notice'=>$target->id));
72 $act->selfLink = $url;
73 $act->editLink = $url;
75 // saveActivity will in turn also call Fave::saveActivityObject which does
76 // what this function used to do before this commit.
77 $stored = Notice::saveActivity($act, $actor);
82 public function removeEntry(Profile $actor, Notice $target)
85 $fave->user_id = $actor->getID();
86 $fave->notice_id = $target->getID();
87 if (!$fave->find(true)) {
88 // TRANS: Client error displayed when trying to remove a 'favor' when there is none in the first place.
89 throw new AlreadyFulfilledException(_('This is already not favorited.'));
92 $result = $fave->delete();
93 if ($result === false) {
94 common_log_db_error($fave, 'DELETE', __FILE__);
95 // TRANS: Server error displayed when removing a favorite from the database fails.
96 throw new ServerException(_('Could not delete favorite.'));
99 Fave::blowCacheForProfileId($actor->getID());
100 Fave::blowCacheForNoticeId($target->getID());
103 // exception throwing takeover!
104 public function insert()
106 if (parent::insert()===false) {
107 common_log_db_error($this, 'INSERT', __FILE__);
108 throw new ServerException(sprintf(_m('Could not store new object of type %s'), get_called_class()));
110 self::blowCacheForProfileId($this->user_id);
111 self::blowCacheForNoticeId($this->notice_id);
115 public function delete($useWhere=false)
120 $profile = $this->getActor();
121 $notice = $this->getTarget();
123 if (Event::handle('StartDisfavorNotice', array($profile, $notice, &$result))) {
125 $result = parent::delete($useWhere);
127 self::blowCacheForProfileId($this->user_id);
128 self::blowCacheForNoticeId($this->notice_id);
129 self::blow('popular');
131 if ($result !== false) {
132 Event::handle('EndDisfavorNotice', array($profile, $notice));
136 } catch (NoResultException $e) {
137 common_log(LOG_INFO, '"'.get_class($e->obj).'" with id=='.var_export($e->obj->id, true).' object not found when deleting favorite, ignoring...');
139 // Delete it without the event, as something is wrong and we don't want it anyway.
140 $result = parent::delete($useWhere);
142 self::blowCacheForProfileId($this->user_id);
143 self::blowCacheForNoticeId($this->notice_id);
144 self::blow('popular');
152 static function stream($user_id, $offset=0, $limit=NOTICES_PER_PAGE, $own=false, $since_id=0, $max_id=0)
154 $stream = new FaveNoticeStream($user_id, $own);
156 return $stream->getNotices($offset, $limit, $since_id, $max_id);
159 function idStream($user_id, $offset=0, $limit=NOTICES_PER_PAGE, $own=false, $since_id=0, $max_id=0)
161 $stream = new FaveNoticeStream($user_id, $own);
163 return $stream->getNoticeIds($offset, $limit, $since_id, $max_id);
166 function asActivity()
168 $target = $this->getTarget();
169 $actor = $this->getActor();
171 $act = new Activity();
173 $act->verb = ActivityVerb::FAVORITE;
175 // FIXME: rationalize this with URL below
177 $act->id = $this->getUri();
179 $act->time = strtotime($this->created);
180 // TRANS: Activity title when marking a notice as favorite.
181 $act->title = _("Favor");
182 // TRANS: Message that is the "content" of a favorite (%1$s is the actor's nickname, %2$ is the favorited
183 // notice's nickname and %3$s is the content of the favorited notice.)
184 $act->content = sprintf(_('%1$s favorited something by %2$s: %3$s'),
185 $actor->getNickname(), $target->getProfile()->getNickname(),
186 $target->rendered ?: $target->content);
188 $act->actor = $actor->asActivityObject();
189 $act->target = $target->asActivityObject();
190 $act->objects = array(clone($act->target));
192 $url = common_local_url('AtomPubShowFavorite',
193 array('profile' => $actor->id,
194 'notice' => $target->id));
196 $act->selfLink = $url;
197 $act->editLink = $url;
202 static function existsForProfile($notice, Profile $scoped)
204 $fave = self::pkeyGet(array('user_id'=>$scoped->id, 'notice_id'=>$notice->id));
206 return ($fave instanceof Fave);
210 * Fetch a stream of favorites by profile
212 * @param integer $profileId Profile that faved
213 * @param integer $offset Offset from last
214 * @param integer $limit Number to get
216 * @return mixed stream of faves, use fetch() to iterate
218 * @todo Cache results
219 * @todo integrate with Fave::stream()
222 static function byProfile($profileId, $offset, $limit)
226 $fav->user_id = $profileId;
228 $fav->orderBy('modified DESC');
230 $fav->limit($offset, $limit);
237 static function countByProfile(Profile $profile)
239 $c = Cache::instance();
241 $cnt = $c->get(Cache::key('fave:count_by_profile:'.$profile->id));
242 if (is_integer($cnt)) {
248 $faves->user_id = $profile->id;
249 $cnt = (int) $faves->count('notice_id');
252 $c->set(Cache::key('fave:count_by_profile:'.$profile->id), $cnt);
258 static protected $_faves = array();
261 * All faves of this notice
263 * @param Notice $notice A notice we wish to get faves for (may still be ArrayWrapper)
265 * @return array Array of Fave objects
267 static public function byNotice($notice)
269 if (!isset(self::$_faves[$notice->id])) {
270 self::fillFaves(array($notice->id));
272 return self::$_faves[$notice->id];
275 static public function fillFaves(array $notice_ids)
277 $faveMap = Fave::listGet('notice_id', $notice_ids);
278 self::$_faves = array_replace(self::$_faves, $faveMap);
281 static public function blowCacheForProfileId($profile_id)
283 $cache = Cache::instance();
285 // Faves don't happen chronologically, so we need to blow
287 $cache->delete(Cache::key('fave:ids_by_user:'.$profile_id));
288 $cache->delete(Cache::key('fave:ids_by_user:'.$profile_id.';last'));
289 $cache->delete(Cache::key('fave:ids_by_user_own:'.$profile_id));
290 $cache->delete(Cache::key('fave:ids_by_user_own:'.$profile_id.';last'));
291 $cache->delete(Cache::key('fave:count_by_profile:'.$profile_id));
294 static public function blowCacheForNoticeId($notice_id)
296 $cache = Cache::instance();
298 $cache->delete(Cache::key('fave:list-ids:notice_id:'.$notice_id));
302 // Remember that we want the _activity_ notice here, not faves applied
303 // to the supplied Notice (as with byNotice)!
304 static public function fromStored(Notice $stored)
306 $class = get_called_class();
307 $object = new $class;
308 $object->uri = $stored->uri;
309 if (!$object->find(true)) {
310 throw new NoResultException($object);
316 * Retrieves the _targeted_ notice of a verb (such as the notice that was
317 * _favorited_, but not the favorite activity itself).
319 * @param Notice $stored The activity notice.
321 * @throws NoResultException when it can't find what it's looking for.
323 static public function getTargetFromStored(Notice $stored)
325 return self::fromStored($stored)->getTarget();
328 static public function getObjectType()
333 public function asActivityObject(Profile $scoped=null)
335 $actobj = new ActivityObject();
336 $actobj->id = $this->getUri();
337 $actobj->type = ActivityUtils::resolveUri(self::getObjectType());
338 $actobj->actor = $this->getActorObject();
339 $actobj->target = $this->getTargetObject();
340 $actobj->objects = array(clone($actobj->target));
341 $actobj->verb = ActivityVerb::FAVORITE;
342 $actobj->title = ActivityUtils::verbToTitle($actobj->verb);
343 $actobj->content = $this->getTarget()->rendered ?: $this->getTarget()->content;
348 * @param ActivityObject $actobj The _favored_ notice (which we're "in-reply-to")
349 * @param Notice $stored The _activity_ notice, i.e. the favor itself.
351 static public function parseActivityObject(ActivityObject $actobj, Notice $stored)
353 $local = ActivityUtils::findLocalObject($actobj->getIdentifiers());
354 if (!$local instanceof Notice) {
355 // $local always returns something, but this was not what we expected. Something is wrong.
356 throw new Exception('Something other than a Notice was returned from findLocalObject');
359 $actor = $stored->getProfile();
360 $object = new Fave();
361 $object->user_id = $stored->getProfile()->id;
362 $object->notice_id = $local->id;
363 $object->uri = $stored->uri;
364 $object->created = $stored->created;
365 $object->modified = $stored->modified;
369 static public function extendActivity(Notice $stored, Activity $act, Profile $scoped=null)
371 $target = self::getTargetFromStored($stored);
373 // The following logic was copied from StatusNet's Activity plugin
374 if (ActivityUtils::compareVerbs($target->verb, array(ActivityVerb::POST))) {
375 // "I like the thing you posted"
376 $act->objects = $target->asActivity()->objects;
378 // "I like that you did whatever you did"
379 $act->target = $target->asActivityObject();
380 $act->objects = array(clone($act->target));
382 $act->context->replyToID = $target->getUri();
383 $act->context->replyToUrl = $target->getUrl();
384 $act->title = ActivityUtils::verbToTitle($act->verb);
387 static function saveActivityObject(ActivityObject $actobj, Notice $stored)
389 $object = self::parseActivityObject($actobj, $stored);
390 $object->insert(); // exception throwing in Fave's case!
392 self::blowCacheForProfileId($object->user_id);
393 self::blowCacheForNoticeId($object->notice_id);
394 self::blow('popular');
396 Event::handle('EndFavorNotice', array($stored->getProfile(), $object->getTarget()));
400 public function getAttentionArray() {
401 // not all objects can/should carry attentions, so we don't require extending this
402 // the format should be an array with URIs to mentioned profiles
406 public function getTarget()
408 return Notice::getByID($this->notice_id);
411 public function getTargetObject()
413 return $this->getTarget()->asActivityObject();
416 protected $_stored = array();
418 public function getStored()
420 if (!isset($this->_stored[$this->uri])) {
421 $stored = new Notice();
422 $stored->uri = $this->uri;
423 if (!$stored->find(true)) {
424 throw new NoResultException($stored);
426 $this->_stored[$this->uri] = $stored;
428 return $this->_stored[$this->uri];
431 public function getActor()
433 return Profile::getByID($this->user_id);
436 public function getActorObject()
438 return $this->getActor()->asActivityObject();
441 public function getUri()
443 if (!empty($this->uri)) {
447 // We (should've in this case) created it ourselves, so we tag it ourselves
448 return self::newUri($this->getActor(), $this->getTarget(), $this->created);