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', 4);
  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                         return;
  39                 }
  40
  41                 $profile = $user->getProfile();
  42
  43                 if (!$profile) {
  44                         common_server_error(_t('User record exists without profile.'));
  45                         return;
  46                 }
  47
  48                 # Looks like we're good; start output
  49
  50                 # For YADIS discovery, we also have a <meta> tag
  51
  52                 header('X-XRDS-Location: '. common_local_url('xrds', array('nickname' =>
  53                                                                                                                                    $user->nickname)));
  54
  55                 common_show_header($profile->nickname, array($this, 'show_header'), $user);
  56
  57                 $this->views_menu();
  58
  59                 $this->show_profile($profile);
  60
  61                 $this->show_notices($profile);
  62
  63                 common_show_footer();
  64         }
  65
  66         function show_header($user) {
  67                 common_element('link', array('rel' => 'alternate',
  68                                                                          'href' => common_local_url('userrss', array('nickname' =>
  69                                                                                                                                                            $user->nickname)),
  70                                                                          'type' => 'application/rss+xml',
  71                                                                          'title' => _t('Notice feed for ') . $user->nickname));
  72                 common_element('link', array('rel' => 'meta',
  73                                                                          'href' => common_local_url('foaf', array('nickname' =>
  74                                                                                                                                                           $user->nickname)),
  75                                                                          'type' => 'application/rdf+xml',
  76                                                                          'title' => 'FOAF'));
  77                 # for remote subscriptions etc.
  78                 common_element('meta', array('http-equiv' => 'X-XRDS-Location',
  79                                                                          'content' => common_local_url('xrds', array('nickname' =>
  80                                                                                                                                                            $user->nickname))));
  81         }
  82
  83         function no_such_user() {
  84                 common_user_error('No such user');
  85         }
  86
  87         function show_profile($profile) {
  88
  89                 common_element_start('div', array('id' => 'profile'));
  90
  91                 $this->show_personal($profile);
  92
  93                 $this->show_last_notice($profile);
  94
  95                 $cur = common_current_user();
  96
  97                 $this->show_subscriptions($profile);
  98
  99                 common_element_end('div');
 100         }
 101
 102         function show_personal($profile) {
 103
 104                 $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
 105                 if ($avatar) {
 106                         common_element_start('div', array('id' => 'profile_avatar'));
 107                         common_element('img', array('src' => $avatar->url,
 108                                                                                 'class' => 'avatar profile',
 109                                                                                 'width' => AVATAR_PROFILE_SIZE,
 110                                                                                 'height' => AVATAR_PROFILE_SIZE,
 111                                                                                 'alt' => $profile->nickname));
 112                         $cur = common_current_user();
 113                         if ($cur) {
 114                                 if ($cur->id != $profile->id) {
 115                                         if ($cur->isSubscribed($profile)) {
 116                                                 $this->show_unsubscribe_form($profile);
 117                                         } else {
 118                                                 $this->show_subscribe_form($profile);
 119                                         }
 120                                 }
 121                         } else {
 122                                 $this->show_remote_subscribe_form($profile);
 123                         }
 124                         common_element_end('div');
 125                 }
 126                 common_element_start('div', array('id' => 'profile_information'));
 127
 128                 if ($profile->fullname) {
 129                         common_element('h1', NULL, $profile->fullname);
 130                 }
 131                 if ($profile->location) {
 132                         common_element('p', 'location', $profile->location);
 133                 }
 134                 if ($profile->bio) {
 135                         common_element('p', 'description', htmlspecialchars($profile->bio));
 136                 }
 137                 if ($profile->homepage) {
 138                         common_element('p', 'website', $profile->homepage);
 139                 }
 140
 141                 $this->show_statistics($profile);
 142
 143                 common_element_end('div');
 144         }
 145
 146         function show_subscribe_form($profile) {
 147                 common_element_start('form', array('id' => 'subscribe', 'method' => 'POST',
 148                                                                                    'action' => common_local_url('subscribe')));
 149                 common_element('input', array('id' => 'subscribeto',
 150                                                                           'name' => 'subscribeto',
 151                                                                           'type' => 'hidden',
 152                                                                           'value' => $profile->nickname));
 153                 common_element('input', array('type' => 'submit',
 154                                                                           'class' => 'button',
 155                                                                           'value' => _t('Subscribe')));
 156                 common_element_end('form');
 157         }
 158
 159         function show_remote_subscribe_form($profile) {
 160                 common_element_start('form', array('id' => 'remotesubscribe',
 161                                                                                    'method' => 'POST',
 162                                                                                    'action' => common_local_url('remotesubscribe')));
 163                 common_hidden('nickname', $profile->nickname);
 164                 common_element('input', array('name' => 'profile',
 165                                                                           'type' => 'text',
 166                                                                           'id' => 'profile',
 167                                                                           'size' => '15'));
 168                 common_element('input', array('type' => 'submit',
 169                                                                           'id' => 'submit',
 170                                                                           'name' => 'submit',
 171                                                                           'value' => _t('Subscribe'),
 172                                                                           'class' => 'button'));
 173                 common_element_end('form');
 174         }
 175
 176         function show_unsubscribe_form($profile) {
 177                 common_element_start('form', array('id' => 'unsubscribe', 'method' => 'POST',
 178                                                                                    'action' => common_local_url('unsubscribe')));
 179                 common_element('input', array('id' => 'unsubscribeto',
 180                                                                           'name' => 'unsubscribeto',
 181                                                                           'type' => 'hidden',
 182                                                                           'value' => $profile->nickname));
 183                 common_element('input', array('type' => 'submit',
 184                                                                           'class' => 'button',
 185                                                                           'value' => _t('Unsubscribe')));
 186                 common_element_end('form');
 187         }
 188
 189         function show_subscriptions($profile) {
 190                 global $config;
 191
 192                 # XXX: add a limit
 193                 $subs = DB_DataObject::factory('subscription');
 194                 $subs->subscriber = $profile->id;
 195
 196                 # We ask for an extra one to know if we need to do another page
 197
 198                 $subs->limit(0, SUBSCRIPTIONS);
 199
 200                 $subs_count = $subs->find();
 201
 202                 common_element_start('div', array('id' => 'subscriptions'));
 203
 204                 common_element('h2', NULL, _t('Subscriptions'));
 205
 206                 if ($subs_count > 0) {
 207
 208                         common_element_start('ul', array('id' => 'subscriptions_avatars'));
 209
 210                         while ($subs->fetch()) {
 211
 212                                 $other = Profile::staticGet($subs->subscribed);
 213
 214                                 common_element_start('li');
 215                                 common_element_start('a', array('title' => ($other->fullname) ?
 216                                                                                                 $other->fullname :
 217                                                                                                 $other->nickname,
 218                                                                                                 'href' => $other->profileurl,
 219                                                                                                 'class' => 'subscription'));
 220                                 $avatar = $other->getAvatar(AVATAR_MINI_SIZE);
 221                                 common_element('img', array('src' => (($avatar) ? $avatar->url :  common_default_avatar(AVATAR_MINI_SIZE)),
 222                                                                                         'width' => AVATAR_MINI_SIZE,
 223                                                                                         'height' => AVATAR_MINI_SIZE,
 224                                                                                         'class' => 'avatar mini',
 225                                                                                         'alt' =>  ($other->fullname) ?
 226                                                                                         $other->fullname :
 227                                                                                         $other->nickname));
 228                                 common_element_end('a');
 229                                 common_element_end('li');
 230                         }
 231                         common_element_end('ul');
 232                 }
 233
 234                 common_element_start('p', array('id' => 'subscriptions_viewall'));
 235
 236                 common_element('a', array('href' => common_local_url('subscriptions',
 237                                                                                                                          array('nickname' => $profile->nickname)),
 238                                                                   'class' => 'moresubscriptions'),
 239                                            _t('All subscriptions'));
 240
 241                 common_element_end('p');
 242
 243                 common_element_end('div');
 244         }
 245
 246         function show_statistics($profile) {
 247
 248                 // XXX: WORM cache this
 249                 $subs = DB_DataObject::factory('subscription');
 250                 $subs->subscriber = $profile->id;
 251                 $subs_count = (int) $subs->count();
 252
 253                 $subbed = DB_DataObject::factory('subscription');
 254                 $subbed->subscribed = $profile->id;
 255                 $subbed_count = (int) $subbed->count();
 256
 257                 $notices = DB_DataObject::factory('notice');
 258                 $notices->profile_id = $profile->id;
 259                 $notice_count = (int) $notices->count();
 260
 261                 common_element_start('div', 'statistics');
 262                 common_element('h2', 'statistics', _t('Statistics'));
 263
 264                 # Other stats...?
 265                 common_element_start('dl', 'statistics');
 266                 common_element('dt', 'subscriptions', _t('Subscriptions'));
 267                 common_element('dd', 'subscriptions', $subs_count);
 268                 common_element('dt', 'subscribers', _t('Subscribers'));
 269                 common_element('dd', 'subscribers', $subbed_count);
 270                 common_element('dt', 'notices', _t('Notices'));
 271                 common_element('dd', 'notices', $notice_count);
 272                 common_element_end('dl');
 273
 274                 common_element_end('div');
 275         }
 276
 277         function show_notices($profile) {
 278
 279                 $notice = DB_DataObject::factory('notice');
 280                 $notice->profile_id = $profile->id;
 281
 282                 $notice->orderBy('created DESC');
 283
 284                 $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
 285
 286                 $notice->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
 287
 288                 $cnt = $notice->find();
 289
 290                 if ($cnt > 0) {
 291                         common_element_start('ul', array('id' => 'notices'));
 292
 293                         for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
 294                                 if ($notice->fetch()) {
 295                                         $this->show_notice($notice);
 296                                 } else {
 297                                         // shouldn't happen!
 298                                         break;
 299                                 }
 300                         }
 301
 302                         common_element_end('ul');
 303                 }
 304                 common_pagination($page>1, $cnt>NOTICES_PER_PAGE, $page,
 305                                                   'showstream', array('nickname' => $profile->nickname));
 306         }
 307
 308         function show_last_notice($profile) {
 309
 310                 common_element('h2', NULL, _t('Currently'));
 311
 312                 $notice = DB_DataObject::factory('notice');
 313                 $notice->profile_id = $profile->id;
 314                 $notice->orderBy('created DESC');
 315                 $notice->limit(0, 1);
 316
 317                 if ($notice->find(true)) {
 318                         # FIXME: URL, image, video, audio
 319                         common_element_start('p', array('class' => 'notice_current'));
 320                         common_raw(common_render_content($notice->content, $notice));
 321                         common_element_end('p');
 322                 }
 323         }
 324
 325         function show_notice($notice) {
 326                 $profile = $notice->getProfile();
 327                 # XXX: RDFa
 328                 common_element_start('li', array('class' => 'notice_single',
 329                                                                                  'id' => 'notice-' . $notice->id));
 330                 $noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
 331                 # FIXME: URL, image, video, audio
 332                 common_element_start('p');
 333                 common_raw(common_render_content($notice->content, $notice));
 334                 common_element_end('p');
 335                 common_element_start('p', array('class' => 'time'));
 336                 common_element('a', array('class' => 'notice',
 337                                                                   'href' => $noticeurl),
 338                                            common_date_string($notice->created));
 339                 common_element_end('p');
 340                 common_element_end('li');
 341         }
 342 }