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                 $cur = common_current_user();
  58
  59                 if ($cur && $profile->id == $cur->id) {
  60                         common_notice_form();
  61                 }
  62
  63                 $this->show_sidebar($profile);
  64
  65                 $this->show_notices($profile);
  66
  67                 common_show_footer();
  68         }
  69
  70         function show_header($user) {
  71                 common_element('link', array('rel' => 'alternate',
  72                                                                          'href' => common_local_url('userrss', array('nickname' =>
  73                                                                                                                                                            $user->nickname)),
  74                                                                          'type' => 'application/rss+xml',
  75                                                                          'title' => _t('Notice feed for ') . $user->nickname));
  76                 # for remote subscriptions etc.
  77                 common_element('meta', array('http-equiv' => 'X-XRDS-Location',
  78                                                                          'content' => common_local_url('xrds', array('nickname' =>
  79                                                                                                                                                            $user->nickname))));
  80         }
  81
  82         function no_such_user() {
  83                 common_user_error('No such user');
  84         }
  85
  86         function show_sidebar($profile) {
  87
  88                 common_element_start('div', 'sidebar width33 floatRight greenBg');
  89
  90                 $this->show_profile($profile);
  91
  92                 $this->show_last_notice($profile);
  93
  94                 $cur = common_current_user();
  95
  96                 if ($cur) {
  97                         if ($cur->id != $profile->id) {
  98                                 if ($cur->isSubscribed($profile)) {
  99                                         $this->show_unsubscribe_form($profile);
 100                                 } else {
 101                                         $this->show_subscribe_form($profile);
 102                                 }
 103                         }
 104                 } else {
 105                         $this->show_remote_subscribe_form($profile);
 106                 }
 107
 108                 $this->show_statistics($profile);
 109
 110                 $this->show_subscriptions($profile);
 111
 112                 common_element_end('div');
 113         }
 114
 115         function show_profile($profile) {
 116                 common_element_start('div', 'profile');
 117
 118                 $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
 119                 if ($avatar) {
 120                         common_element('img', array('src' => $avatar->url,
 121                                                                                 'class' => 'avatar profile',
 122                                                                                 'width' => AVATAR_PROFILE_SIZE,
 123                                                                                 'height' => AVATAR_PROFILE_SIZE,
 124                                                                                 'alt' => $profile->nickname));
 125                 }
 126                 if ($profile->fullname) {
 127                         common_element_start('div', 'fullname');
 128                         if ($profile->homepage) {
 129                                 common_element('a', array('href' => $profile->homepage),
 130                                                            $profile->fullname);
 131                         } else {
 132                                 common_text($profile->fullname);
 133                         }
 134                         common_element_end('div');
 135                 }
 136                 if ($profile->location) {
 137                         common_element('div', 'location', $profile->location);
 138                 }
 139                 if ($profile->bio) {
 140                         common_element('div', 'bio', $profile->bio);
 141                 }
 142                 common_element_end('div');
 143         }
 144
 145         function show_subscribe_form($profile) {
 146                 common_element_start('form', array('id' => 'subscribe', 'method' => 'POST',
 147                                                                                    'action' => common_local_url('subscribe')));
 148                 common_element('input', array('id' => 'subscribeto',
 149                                                                           'name' => 'subscribeto',
 150                                                                           'type' => 'hidden',
 151                                                                           'value' => $profile->nickname));
 152                 common_element('input', array('type' => 'submit',
 153                                                                           'class' => 'button',
 154                                                                           'value' => _t('Subscribe')));
 155                 common_element_end('form');
 156         }
 157
 158         function show_remote_subscribe_form($profile) {
 159                 common_element_start('form', array('id' => 'remotesubscribe', 'method' => 'POST',
 160                                                                                    'action' => common_local_url('remotesubscribe')));
 161                 common_hidden('nickname', $profile->nickname);
 162                 common_input('profile', _t('Profile'));
 163                 common_submit('submit',_t('Subscribe'));
 164                 common_element_end('form');
 165         }
 166
 167         function show_unsubscribe_form($profile) {
 168                 common_element_start('form', array('id' => 'unsubscribe', 'method' => 'POST',
 169                                                                                    'action' => common_local_url('unsubscribe')));
 170                 common_element('input', array('id' => 'unsubscribeto',
 171                                                                           'name' => 'unsubscribeto',
 172                                                                           'type' => 'hidden',
 173                                                                           'value' => $profile->nickname));
 174                 common_element('input', array('type' => 'submit',
 175                                                                           'class' => 'button',
 176                                                                           'value' => _t('Unsubscribe')));
 177                 common_element_end('form');
 178         }
 179
 180         function show_subscriptions($profile) {
 181                 global $config;
 182
 183                 # XXX: add a limit
 184                 $subs = DB_DataObject::factory('subscription');
 185                 $subs->subscriber = $profile->id;
 186
 187                 # We ask for an extra one to know if we need to do another page
 188
 189                 $subs->limit(0, SUBSCRIPTIONS);
 190
 191                 $subs_count = $subs->find();
 192
 193                 common_element_start('div', 'subscriptions');
 194
 195                 common_element('h2', 'subscriptions', _t('Subscriptions'));
 196
 197                 $idx = 0;
 198
 199                 while ($subs->fetch()) {
 200                         $idx++;
 201                         if ($idx % SUBSCRIPTIONS_PER_ROW == 1) {
 202                                 common_element_start('div', 'row');
 203                         }
 204
 205                         $other = Profile::staticGet($subs->subscribed);
 206
 207                         common_element_start('a', array('title' => ($other->fullname) ?
 208                                                                                         $other->fullname :
 209                                                                                         $other->nickname,
 210                                                                                         'href' => $other->profileurl,
 211                                                                                         'class' => 'subscription'));
 212                         $avatar = $other->getAvatar(AVATAR_MINI_SIZE);
 213                         common_element('img', array('src' => (($avatar) ? $avatar->url :  common_default_avatar(AVATAR_MINI_SIZE)),
 214                                                                                 'width' => AVATAR_MINI_SIZE,
 215                                                                                 'height' => AVATAR_MINI_SIZE,
 216                                                                                 'class' => 'avatar mini',
 217                                                                                 'alt' =>  ($other->fullname) ?
 218                                                                                 $other->fullname :
 219                                                                                 $other->nickname));
 220                         common_element_end('a');
 221
 222                         if ($idx % SUBSCRIPTIONS_PER_ROW == 0) {
 223                                 common_element_end('div');
 224                         }
 225
 226                         if ($idx == SUBSCRIPTIONS) {
 227                                 break;
 228                         }
 229                 }
 230
 231                 # close any unclosed row
 232                 if ($idx % SUBSCRIPTIONS_PER_ROW != 0) {
 233                         common_element_end('div');
 234                 }
 235
 236                 common_element('a', array('href' => common_local_url('subscriptions',
 237                                                                                                                          array('nickname' => $profile->nickname)),
 238                                                                   'class' => 'moresubscriptions'),
 239                                            _t('All subscriptions'));
 240
 241                 common_element_end('div');
 242         }
 243
 244         function show_statistics($profile) {
 245
 246                 // XXX: WORM cache this
 247                 $subs = DB_DataObject::factory('subscription');
 248                 $subs->subscriber = $profile->id;
 249                 $subs_count = (int) $subs->count();
 250
 251                 $subbed = DB_DataObject::factory('subscription');
 252                 $subbed->subscribed = $profile->id;
 253                 $subbed_count = (int) $subbed->count();
 254
 255                 $notices = DB_DataObject::factory('notice');
 256                 $notices->profile_id = $profile->id;
 257                 $notice_count = (int) $notices->count();
 258
 259                 common_element_start('div', 'statistics');
 260                 common_element('h2', 'statistics', _t('Statistics'));
 261
 262                 # Other stats...?
 263                 common_element_start('dl', 'statistics');
 264                 common_element('dt', 'subscriptions', _t('Subscriptions'));
 265                 common_element('dd', 'subscriptions', $subs_count);
 266                 common_element('dt', 'subscribers', _t('Subscribers'));
 267                 common_element('dd', 'subscribers', $subbed_count);
 268                 common_element('dt', 'notices', _t('Notices'));
 269                 common_element('dd', 'notices', $notice_count);
 270                 common_element_end('dl');
 271
 272                 common_element_end('div');
 273         }
 274
 275         function show_notices($profile) {
 276
 277                 $notice = DB_DataObject::factory('notice');
 278                 $notice->profile_id = $profile->id;
 279
 280                 $notice->orderBy('created DESC');
 281
 282                 $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
 283
 284                 $notice->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
 285
 286                 $cnt = $notice->find();
 287
 288                 common_element_start('div', 'notices width66 floatLeft');
 289
 290                 for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
 291                         if ($notice->fetch()) {
 292                                 $this->show_notice($notice);
 293                         } else {
 294                                 // shouldn't happen!
 295                                 break;
 296                         }
 297                 }
 298
 299                 if ($page > 1) {
 300                         common_element_start('span', 'floatLeft width25');
 301                         common_element('a', array('href' => common_local_url('showstream',
 302                                                                                                                                  array('nickname' => $profile->nickname,
 303                                                                                                                                            'page' => $page-1)),
 304                                                                           'class' => 'newer'),
 305                                                    _t('Newer'));
 306                         common_element_end('span');
 307                 }
 308
 309                 if ($cnt > NOTICES_PER_PAGE) {
 310                         common_element_start('span', 'floatRight width25');
 311                         common_element('a', array('href' => common_local_url('showstream',
 312                                                                                                                                  array('nickname' => $profile->nickname,
 313                                                                                                                                            'page' => $page+1)),
 314                                                                           'class' => 'older'),
 315                                                    _t('Older'));
 316                         common_element_end('span');
 317                 }
 318
 319                 # XXX: show a link for the next page
 320                 common_element_end('div');
 321         }
 322
 323         function show_last_notice($profile) {
 324
 325                 common_element_start('div', 'lastnotice');
 326                 common_element('h2', 'lastnotice', _t('Currently'));
 327
 328                 $notice = DB_DataObject::factory('notice');
 329                 $notice->profile_id = $profile->id;
 330                 $notice->orderBy('created DESC');
 331                 $notice->limit(0, 1);
 332
 333                 if ($notice->find(true)) {
 334                         # FIXME: URL, image, video, audio
 335                         common_element_start('span', array('class' => 'content'));
 336                         common_raw(common_render_content($notice->content, $notice));
 337                         common_element_end('span');
 338                 }
 339
 340                 common_element_end('div');
 341         }
 342
 343         function show_notice($notice) {
 344                 $profile = $notice->getProfile();
 345                 # XXX: RDFa
 346                 common_element_start('div', array('class' => 'notice',
 347                                                                                   'id' => 'notice-' . $notice->id));
 348                 $noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
 349                 # FIXME: URL, image, video, audio
 350                 common_element_start('span', array('class' => 'content'));
 351                 common_raw(common_render_content($notice->content, $notice));
 352                 common_element_end('span');
 353                 common_element('a', array('class' => 'notice',
 354                                                                   'href' => $noticeurl),
 355                                            common_date_string($notice->created));
 356                 common_element_end('div');
 357         }
 358 }