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handle empty subscription list
[quix0rs-gnu-social.git] / actions / showstream.php
1 <?php
2 /*
3  * Laconica - a distributed open-source microblogging tool
4  * Copyright (C) 2008, Controlez-Vous, Inc.
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU Affero General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU Affero General Public License for more details.
15  *
16  * You should have received a copy of the GNU Affero General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19
20 if (!defined('LACONICA')) { exit(1); }
21
22 require_once(INSTALLDIR.'/lib/stream.php');
23
24 define('SUBSCRIPTIONS_PER_ROW', 5);
25 define('SUBSCRIPTIONS', 80);
26
27 class ShowstreamAction extends StreamAction {
28
29         function handle($args) {
30
31                 parent::handle($args);
32
33                 $nickname = common_canonical_nickname($this->arg('nickname'));
34                 $user = User::staticGet('nickname', $nickname);
35
36                 if (!$user) {
37                         $this->no_such_user();
38                 }
39
40                 $profile = $user->getProfile();
41
42                 if (!$profile) {
43                         common_server_error(_t('User record exists without profile.'));
44                 }
45
46                 # Looks like we're good; show the header
47
48                 common_show_header($profile->nickname);
49
50                 $cur = common_current_user();
51
52                 if ($cur && $profile->id == $cur->id) {
53                         $this->notice_form();
54                 }
55
56                 $this->show_profile($profile);
57
58                 $this->show_last_notice($profile);
59
60                 if ($cur) {
61                         if ($cur->isSubscribed($profile)) {
62                                 $this->show_unsubscribe_form($profile);
63                         } else {
64                                 $this->show_subscribe_form($profile);
65                         }
66                 }
67
68                 $this->show_statistics($profile);
69
70                 $this->show_subscriptions($profile);
71
72                 $this->show_notices($profile);
73
74                 common_show_footer();
75         }
76
77         function no_such_user() {
78                 common_user_error('No such user');
79         }
80
81         function notice_form() {
82                 common_element_start('form', array('id' => 'newnotice', 'method' => 'POST',
83                                                                                    'action' => common_local_url('newnotice')));
84                 common_element('textarea', array('rows' => 4, 'cols' => 80, 'id' => 'content'));
85                 common_element('input', array('type' => 'submit'), 'Send');
86                 common_element_end('form');
87         }
88
89         function show_profile($profile) {
90                 common_element_start('div', 'profile');
91                 $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
92                 if ($avatar) {
93                         common_element('img', array('src' => $avatar->url,
94                                                                                 'class' => 'avatar profile',
95                                                                                 'width' => AVATAR_PROFILE_SIZE,
96                                                                                 'height' => AVATAR_PROFILE_SIZE,
97                                                                                 'title' => $profile->nickname));
98                 }
99                 common_element('span', 'nickname', $profile->nickname);
100                 if ($profile->fullname) {
101                         if ($profile->homepage) {
102                                 common_element('a', array('href' => $profile->homepage,
103                                                                                   'class' => 'fullname'),
104                                                            $profile->fullname);
105                         } else {
106                                 common_element('span', 'fullname', $profile->fullname);
107                         }
108                 }
109                 if ($profile->location) {
110                         common_element('span', 'location', $profile->location);
111                 }
112                 if ($profile->bio) {
113                         common_element('div', 'bio', $profile->bio);
114                 }
115         }
116
117         function show_subscribe_form($profile) {
118                 common_element_start('form', array('id' => 'subscribe', 'method' => 'POST',
119                                                                                    'action' => common_local_url('subscribe')));
120                 common_element('input', array('id' => 'subscribeto',
121                                                                           'name' => 'subscribeto',
122                                                                           'type' => 'hidden',
123                                                                           'value' => $profile->nickname));
124                 common_element('input', array('type' => 'submit'), _t('subscribe'));
125                 common_element_end('form');
126         }
127
128         function show_unsubscribe_form($profile) {
129                 common_element_start('form', array('id' => 'unsubscribe', 'method' => 'POST',
130                                                                                    'action' => common_local_url('unsubscribe')));
131                 common_element('input', array('id' => 'unsubscribeto',
132                                                                           'name' => 'unsubscribeto',
133                                                                           'type' => 'hidden',
134                                                                           'value' => $profile->nickname));
135                 common_element('input', array('type' => 'submit'), _t('unsubscribe'));
136                 common_element_end('form');
137         }
138
139         function show_subscriptions($profile) {
140
141                 # XXX: add a limit
142                 $subs = $profile->getLink('id', 'subscription', 'subscriber');
143
144                 common_element_start('div', 'subscriptions');
145
146                 $cnt = 0;
147
148                 if ($subs) {
149                         while ($subs->fetch()) {
150                                 $cnt++;
151                                 if ($cnt % SUBSCRIPTIONS_PER_ROW == 1) {
152                                         common_element_start('div', 'row');
153                                 }
154
155                                 common_element_start('a', array('title' => $subs->fullname ||
156                                                                                                 $subs->nickname,
157                                                                                                 'href' => $subs->profileurl,
158                                                                                                 'class' => 'subscription'));
159                                 $avatar = $subs->getAvatar(AVATAR_MINI_SIZE);
160                                 common_element('img', array('src' => (($avatar) ? $avatar->url : DEFAULT_MINI_AVATAR),
161                                                                                         'width' => AVATAR_MINI_SIZE,
162                                                                                 'height' => AVATAR_MINI_SIZE,
163                                                                                         'class' => 'avatar mini'));
164                                 common_element_end('a');
165
166                                 if ($cnt % SUBSCRIPTIONS_PER_ROW == 0) {
167                                         common_element_end('div');
168                                 }
169
170                                 if ($cnt == SUBSCRIPTIONS) {
171                                         break;
172                                 }
173                         }
174                 }
175
176                 common_element('a', array('href' => common_local_url('subscriptions',
177                                                                                                                          array('nickname' => $profile->nickname)),
178                                                                   'class' => 'moresubscriptions'),
179                                            _t('All subscriptions'));
180
181                 common_element_end('div');
182         }
183
184         function show_statistics($profile) {
185
186                 // XXX: WORM cache this
187                 $subs = DB_DataObject::factory('subscription');
188                 $subs->subscriber = $profile->id;
189                 $subs_count = $subs->count();
190
191                 $subbed = DB_DataObject::factory('subscription');
192                 $subbed->subscribed = $profile->id;
193                 $subbed_count = $subbed->count();
194
195                 $notices = DB_DataObject::factory('notice');
196                 $notices->profile_id = $profile->id;
197                 $notice_count = $notices->count();
198
199                 # Other stats...?
200                 common_element_start('dl', 'statistics');
201                 common_element('dt', _t('Subscriptions'));
202                 common_element('dd', $subs_count);
203                 common_element('dt', _t('Subscribers'));
204                 common_element('dd', $subbed_count);
205                 common_element('dt', _t('Notices'));
206                 common_element('dd', $notice_count);
207                 common_element_end('dl');
208         }
209
210         function show_notices($profile) {
211
212                 $notice = DB_DataObject::factory('notice');
213                 $notice->profile_id = $profile->id;
214
215                 $notice->orderBy('created DESC');
216
217                 $page = $this->arg('page') || 1;
218
219                 $notice->limit((($page-1)*NOTICES_PER_PAGE) + 1, NOTICES_PER_PAGE);
220
221                 $notice->find();
222
223                 common_element_start('div', 'notices');
224
225                 while ($notice->fetch()) {
226                         $this->show_notice($notice);
227                 }
228
229                 common_element_end('div');
230         }
231
232         function show_last_notice($profile) {
233                 $notice = DB_DataObject::factory('notice');
234                 $notice->profile_id = $profile->id;
235                 $notice->orderBy('created DESC');
236                 $notice->limit(1, 1);
237                 $notice->find();
238
239                 while ($notice->fetch()) {
240                         # FIXME: URL, image, video, audio
241                         common_element('span', array('class' => 'content'),
242                                                    $notice->content);
243                         common_element('span', array('class' => 'date'),
244                                                    common_date_string($notice->created));
245                 }
246         }
247 }