3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2010, StatusNet, Inc.
6 * Feed of ActivityStreams 'favorite' actions
10 * This program is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU Affero General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Affero General Public License for more details.
20 * You should have received a copy of the GNU Affero General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 * @author Evan Prodromou <evan@status.net>
26 * @copyright 2010 StatusNet, Inc.
27 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
28 * @link http://status.net/
31 if (!defined('STATUSNET')) {
32 // This check helps protect against security problems;
33 // your code file can't be executed directly from the web.
37 require_once INSTALLDIR . '/lib/apiauth.php';
40 * Feed of ActivityStreams 'favorite' actions
44 * @author Evan Prodromou <evan@status.net>
45 * @copyright 2010 StatusNet, Inc.
46 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
47 * @link http://status.net/
49 class AtompubfavoritefeedAction extends ApiAuthAction
51 private $_profile = null;
52 private $_faves = null;
55 * For initializing members of the class.
57 * @param array $argarray misc. arguments
59 * @return boolean true
61 function prepare($argarray)
63 parent::prepare($argarray);
65 $this->_profile = Profile::staticGet('id', $this->trimmed('profile'));
67 if (empty($this->_profile)) {
68 // TRANS: Client exception thrown when requesting a favorite feed for a non-existing profile.
69 throw new ClientException(_('No such profile.'), 404);
72 $offset = ($this->page-1) * $this->count;
73 $limit = $this->count + 1;
75 $this->_faves = Fave::byProfile($this->_profile->id,
85 * @param array $argarray is ignored since it's now passed in in prepare()
89 function handle($argarray=null)
91 parent::handle($argarray);
93 switch ($_SERVER['REQUEST_METHOD']) {
102 // TRANS: Client exception thrown when using an unsupported HTTP method.
103 throw new ClientException(_('HTTP method not supported.'), 405);
111 * Show a feed of favorite activity streams objects
117 header('Content-Type: application/atom+xml; charset=utf-8');
119 $url = common_local_url('AtomPubFavoriteFeed',
120 array('profile' => $this->_profile->id));
122 $feed = new Atom10Feed(true);
124 $feed->addNamespace('activity',
125 'http://activitystrea.ms/spec/1.0/');
127 $feed->addNamespace('poco',
128 'http://portablecontacts.net/spec/1.0');
130 $feed->addNamespace('media',
131 'http://purl.org/syndication/atommedia');
135 $feed->setUpdated('now');
137 $feed->addAuthor($this->_profile->getBestName(),
138 $this->_profile->getURI());
140 // TRANS: Title for Atom favorites feed.
141 // TRANS: %s is a user nickname.
142 $feed->setTitle(sprintf(_("%s favorites"),
143 $this->_profile->getBestName()));
145 // TRANS: Subtitle for Atom favorites feed.
146 // TRANS: %1$s is a user nickname, %2$s is the StatusNet sitename.
147 $feed->setSubtitle(sprintf(_('Notices %1$s has favorited on %2$s'),
148 $this->_profile->getBestName(),
149 common_config('site', 'name')));
151 $feed->addLink(common_local_url('showfavorites',
153 $this->_profile->nickname)));
156 array('rel' => 'self',
157 'type' => 'application/atom+xml'));
159 // If there's more...
161 if ($this->page > 1) {
163 array('rel' => 'first',
164 'type' => 'application/atom+xml'));
166 $feed->addLink(common_local_url('AtomPubFavoriteFeed',
168 $this->_profile->id),
171 array('rel' => 'prev',
172 'type' => 'application/atom+xml'));
175 if ($this->_faves->N > $this->count) {
177 $feed->addLink(common_local_url('AtomPubFavoriteFeed',
179 $this->_profile->id),
182 array('rel' => 'next',
183 'type' => 'application/atom+xml'));
188 while ($this->_faves->fetch()) {
190 // We get one more than needed; skip that one
194 if ($i > $this->count) {
198 $act = $this->_faves->asActivity();
199 $feed->addEntryRaw($act->asString(false, false, false));
202 $this->raw($feed->getString());
210 function addFavorite()
212 // XXX: Refactor this; all the same for atompub
214 if (empty($this->auth_user) ||
215 $this->auth_user->id != $this->_profile->id) {
216 // TRANS: Client exception thrown when trying to set a favorite for another user.
217 throw new ClientException(_("Cannot add someone else's".
218 " subscription."), 403);
221 $xml = file_get_contents('php://input');
223 $dom = DOMDocument::loadXML($xml);
225 if ($dom->documentElement->namespaceURI != Activity::ATOM ||
226 $dom->documentElement->localName != 'entry') {
227 // TRANS: Client error displayed when not using an Atom entry.
228 throw new ClientException(_('Atom post must be an Atom entry.'));
232 $activity = new Activity($dom->documentElement);
236 if (Event::handle('StartAtomPubNewActivity', array(&$activity))) {
238 if ($activity->verb != ActivityVerb::FAVORITE) {
239 // TRANS: Client exception thrown when trying use an incorrect activity verb for the Atom pub method.
240 throw new ClientException(_('Can only handle favorite activities.'));
244 $note = $activity->objects[0];
246 if (!in_array($note->type, array(ActivityObject::NOTE,
247 ActivityObject::BLOGENTRY,
248 ActivityObject::STATUS))) {
249 // TRANS: Client exception thrown when trying favorite an object that is not a notice.
250 throw new ClientException(_('Can only fave notices.'));
254 $notice = Notice::staticGet('uri', $note->id);
256 if (empty($notice)) {
257 // XXX: import from listed URL or something
258 // TRANS: Client exception thrown when trying favorite a notice without content.
259 throw new ClientException(_('Unknown notice.'));
262 $old = Fave::pkeyGet(array('user_id' => $this->auth_user->id,
263 'notice_id' => $notice->id));
266 // TRANS: Client exception thrown when trying favorite an already favorited notice.
267 throw new ClientException(_('Already a favorite.'));
270 $profile = $this->auth_user->getProfile();
272 $fave = Fave::addNew($profile, $notice);
275 $this->_profile->blowFavesCache();
276 $this->notify($fave, $notice, $this->auth_user);
279 Event::handle('EndAtomPubNewActivity', array($activity, $fave));
283 $act = $fave->asActivity();
285 header('Content-Type: application/atom+xml; charset=utf-8');
286 header('Content-Location: ' . $act->selfLink);
289 $this->raw($act->asString(true, true, true));
295 * Return true if read only.
299 * @param array $args other arguments
301 * @return boolean is read only action?
303 function isReadOnly($args)
305 if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
306 $_SERVER['REQUEST_METHOD'] == 'HEAD') {
314 * Return last modified, if applicable.
318 * @return string last modified http header
320 function lastModified()
322 // For comparison with If-Last-Modified
323 // If not applicable, return null
328 * Return etag, if applicable.
332 * @return string etag http header
340 * Does this require authentication?
342 * @return boolean true if delete, else false
344 function requiresAuth()
346 if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
347 $_SERVER['REQUEST_METHOD'] == 'HEAD') {
355 * Notify the author of the favorite that the user likes their notice
357 * @param Favorite $fave the favorite in question
358 * @param Notice $notice the notice that's been faved
359 * @param User $user the user doing the favoriting
363 function notify($fave, $notice, $user)
365 $other = User::staticGet('id', $notice->profile_id);
366 if ($other && $other->id != $user->id) {
367 if ($other->email && $other->emailnotifyfav) {
368 mail_notify_fave($other, $user, $notice);
371 // XXX: notify by SMS