3 * StatusNet, the distributed open-source microblogging tool
5 * Base class for showing subscription information in the API
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Dan Moore <dan@moore.cx>
25 * @author Evan Prodromou <evan@status.net>
26 * @author Zach Copley <zach@status.net>
27 * @copyright 2009 StatusNet, Inc.
28 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
29 * @link http://status.net/
32 if (!defined('STATUSNET')) {
36 require_once INSTALLDIR . '/lib/apibareauth.php';
39 * This class outputs a list of profiles as Twitter-style user and status objects.
40 * It is used by the API methods /api/statuses/(friends|followers). To support the
41 * social graph methods it also can output a simple list of IDs.
45 * @author Dan Moore <dan@moore.cx>
46 * @author Evan Prodromou <evan@status.net>
47 * @author Zach Copley <zach@status.net>
48 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
49 * @link http://status.net/
51 class ApiSubscriptionsAction extends ApiBareAuthAction
59 * Take arguments for running
61 * @param array $args $_REQUEST args
63 * @return boolean success flag
65 function prepare($args)
67 parent::prepare($args);
69 $this->tag = $this->arg('tag');
71 // Note: Twitter no longer supports 'lite'
72 $this->lite = $this->arg('lite');
74 $this->ids_only = $this->arg('ids_only');
76 // If called as a social graph method, show 5000 per page, otherwise 100
78 $this->count = isset($this->ids_only) ?
79 5000 : (int)$this->arg('count', 100);
81 $this->user = $this->getTargetUser($this->arg('id'));
83 if (empty($this->user)) {
84 // TRANS: Client error displayed when requesting a list of followers for a non-existing user.
85 $this->clientError(_('No such user.'), 404, $this->format);
89 $this->profiles = $this->getProfiles();
99 * @param array $args $_REQUEST data (unused)
103 function handle($args)
105 parent::handle($args);
107 if (!in_array($this->format, array('xml', 'json'))) {
108 // TRANS: Client error displayed when trying to handle an unknown API method.
109 $this->clientError(_('API method not found.'), $code = 404);
113 $this->initDocument($this->format);
115 if (isset($this->ids_only)) {
118 $this->showProfiles(isset($this->lite) ? false : true);
121 $this->endDocument($this->format);
125 * Get profiles - should get overrrided
127 * @return array Profiles
129 function getProfiles()
134 * Is this action read only?
136 * @param array $args other arguments
138 * @return boolean true
140 function isReadOnly($args)
146 * When was this feed last modified?
148 * @return string datestamp of the latest profile in the stream
150 function lastModified()
152 if (!empty($this->profiles) && (count($this->profiles) > 0)) {
153 return strtotime($this->profiles[0]->created);
160 * An entity tag for this action
162 * Returns an Etag based on the action name, language, user ID, and
163 * timestamps of the first and last profiles in the subscriptions list
164 * There's also an indicator to show whether this action is being called
165 * as /api/statuses/(friends|followers) or /api/(friends|followers)/ids
167 * @return string etag
171 if (!empty($this->profiles) && (count($this->profiles) > 0)) {
173 $last = count($this->profiles) - 1;
175 return '"' . implode(
177 array($this->arg('action'),
178 common_user_cache_hash($this->auth_user),
182 isset($this->ids_only) ? 'IDs' : 'Profiles',
183 strtotime($this->profiles[0]->created),
184 strtotime($this->profiles[$last]->created))
193 * Show the profiles as Twitter-style useres and statuses
195 * @param boolean $include_statuses Whether to include the latest status
196 * with each user. Default true.
200 function showProfiles($include_statuses = true)
202 switch ($this->format) {
204 $this->elementStart('users', array('type' => 'array',
205 'xmlns:statusnet' => 'http://status.net/schema/api/1/'));
206 foreach ($this->profiles as $profile) {
214 $this->elementEnd('users');
218 foreach ($this->profiles as $profile) {
219 $arrays[] = $this->twitterUserArray(
224 print json_encode($arrays);
227 // TRANS: Client error displayed when requesting profiles of followers in an unsupported format.
228 $this->clientError(_('Unsupported format.'));
234 * Show the IDs of the profiles only. 5000 per page. To support
235 * the 'social graph' methods: /api/(friends|followers)/ids
241 switch ($this->format) {
243 $this->elementStart('ids');
244 foreach ($this->profiles as $profile) {
245 $this->element('id', null, $profile->id);
247 $this->elementEnd('ids');
251 foreach ($this->profiles as $profile) {
252 $ids[] = (int)$profile->id;
254 print json_encode($ids);
257 // TRANS: Client error displayed when requesting IDs of followers in an unsupported format.
258 $this->clientError(_('Unsupported format.'));