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                 common_element('link', array('rel' => 'meta',
  77                                                                          'href' => common_local_url('foaf', array('nickname' =>
  78                                                                                                                                                           $user->nickname)),
  79                                                                          'type' => 'application/rdf+xml',
  80                                                                          'title' => 'FOAF'));
  81                 # for remote subscriptions etc.
  82                 common_element('meta', array('http-equiv' => 'X-XRDS-Location',
  83                                                                          'content' => common_local_url('xrds', array('nickname' =>
  84                                                                                                                                                            $user->nickname))));
  85         }
  86
  87         function no_such_user() {
  88                 common_user_error('No such user');
  89         }
  90
  91         function show_sidebar($profile) {
  92
  93                 common_element_start('div', 'sidebar width33 floatRight greenBg');
  94
  95                 $this->show_profile($profile);
  96
  97                 $this->show_last_notice($profile);
  98
  99                 $cur = common_current_user();
 100
 101                 if ($cur) {
 102                         if ($cur->id != $profile->id) {
 103                                 if ($cur->isSubscribed($profile)) {
 104                                         $this->show_unsubscribe_form($profile);
 105                                 } else {
 106                                         $this->show_subscribe_form($profile);
 107                                 }
 108                         }
 109                 } else {
 110                         $this->show_remote_subscribe_form($profile);
 111                 }
 112
 113                 $this->show_statistics($profile);
 114
 115                 $this->show_subscriptions($profile);
 116
 117                 common_element_end('div');
 118         }
 119
 120         function show_profile($profile) {
 121                 common_element_start('div', 'profile');
 122
 123                 $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
 124                 if ($avatar) {
 125                         common_element('img', array('src' => $avatar->url,
 126                                                                                 'class' => 'avatar profile',
 127                                                                                 'width' => AVATAR_PROFILE_SIZE,
 128                                                                                 'height' => AVATAR_PROFILE_SIZE,
 129                                                                                 'alt' => $profile->nickname));
 130                 }
 131                 if ($profile->fullname) {
 132                         common_element_start('div', 'fullname');
 133                         if ($profile->homepage) {
 134                                 common_element('a', array('href' => $profile->homepage),
 135                                                            $profile->fullname);
 136                         } else {
 137                                 common_text($profile->fullname);
 138                         }
 139                         common_element_end('div');
 140                 }
 141                 if ($profile->location) {
 142                         common_element('div', 'location', $profile->location);
 143                 }
 144                 if ($profile->bio) {
 145                         common_element('div', 'bio', $profile->bio);
 146                 }
 147                 common_element_end('div');
 148         }
 149
 150         function show_subscribe_form($profile) {
 151                 common_element_start('form', array('id' => 'subscribe', 'method' => 'POST',
 152                                                                                    'action' => common_local_url('subscribe')));
 153                 common_element('input', array('id' => 'subscribeto',
 154                                                                           'name' => 'subscribeto',
 155                                                                           'type' => 'hidden',
 156                                                                           'value' => $profile->nickname));
 157                 common_element('input', array('type' => 'submit',
 158                                                                           'class' => 'button',
 159                                                                           'value' => _t('Subscribe')));
 160                 common_element_end('form');
 161         }
 162
 163         function show_remote_subscribe_form($profile) {
 164                 common_element_start('form', array('id' => 'remotesubscribe',
 165                                                                                    'method' => 'POST',
 166                                                                                    'action' => common_local_url('remotesubscribe')));
 167                 common_hidden('nickname', $profile->nickname);
 168                 common_element('input', array('name' => 'profile',
 169                                                                           'type' => 'text',
 170                                                                           'id' => 'profile',
 171                                                                           'size' => '15'));
 172                 common_element('input', array('type' => 'submit',
 173                                                                           'id' => 'submit',
 174                                                                           'name' => 'submit',
 175                                                                           'value' => _t('Subscribe'),
 176                                                                           'class' => 'button'));
 177                 common_element_end('form');
 178         }
 179
 180         function show_unsubscribe_form($profile) {
 181                 common_element_start('form', array('id' => 'unsubscribe', 'method' => 'POST',
 182                                                                                    'action' => common_local_url('unsubscribe')));
 183                 common_element('input', array('id' => 'unsubscribeto',
 184                                                                           'name' => 'unsubscribeto',
 185                                                                           'type' => 'hidden',
 186                                                                           'value' => $profile->nickname));
 187                 common_element('input', array('type' => 'submit',
 188                                                                           'class' => 'button',
 189                                                                           'value' => _t('Unsubscribe')));
 190                 common_element_end('form');
 191         }
 192
 193         function show_subscriptions($profile) {
 194                 global $config;
 195
 196                 # XXX: add a limit
 197                 $subs = DB_DataObject::factory('subscription');
 198                 $subs->subscriber = $profile->id;
 199
 200                 # We ask for an extra one to know if we need to do another page
 201
 202                 $subs->limit(0, SUBSCRIPTIONS);
 203
 204                 $subs_count = $subs->find();
 205
 206                 common_element_start('div', 'subscriptions');
 207
 208                 common_element('h2', 'subscriptions', _t('Subscriptions'));
 209
 210                 $idx = 0;
 211
 212                 while ($subs->fetch()) {
 213                         $idx++;
 214                         if ($idx % SUBSCRIPTIONS_PER_ROW == 1) {
 215                                 common_element_start('div', 'row');
 216                         }
 217
 218                         $other = Profile::staticGet($subs->subscribed);
 219
 220                         common_element_start('a', array('title' => ($other->fullname) ?
 221                                                                                         $other->fullname :
 222                                                                                         $other->nickname,
 223                                                                                         'href' => $other->profileurl,
 224                                                                                         'class' => 'subscription'));
 225                         $avatar = $other->getAvatar(AVATAR_MINI_SIZE);
 226                         common_element('img', array('src' => (($avatar) ? $avatar->url :  common_default_avatar(AVATAR_MINI_SIZE)),
 227                                                                                 'width' => AVATAR_MINI_SIZE,
 228                                                                                 'height' => AVATAR_MINI_SIZE,
 229                                                                                 'class' => 'avatar mini',
 230                                                                                 'alt' =>  ($other->fullname) ?
 231                                                                                 $other->fullname :
 232                                                                                 $other->nickname));
 233                         common_element_end('a');
 234
 235                         if ($idx % SUBSCRIPTIONS_PER_ROW == 0) {
 236                                 common_element_end('div');
 237                         }
 238
 239                         if ($idx == SUBSCRIPTIONS) {
 240                                 break;
 241                         }
 242                 }
 243
 244                 # close any unclosed row
 245                 if ($idx % SUBSCRIPTIONS_PER_ROW != 0) {
 246                         common_element_end('div');
 247                 }
 248
 249                 common_element('a', array('href' => common_local_url('subscriptions',
 250                                                                                                                          array('nickname' => $profile->nickname)),
 251                                                                   'class' => 'moresubscriptions'),
 252                                            _t('All subscriptions'));
 253
 254                 common_element_end('div');
 255         }
 256
 257         function show_statistics($profile) {
 258
 259                 // XXX: WORM cache this
 260                 $subs = DB_DataObject::factory('subscription');
 261                 $subs->subscriber = $profile->id;
 262                 $subs_count = (int) $subs->count();
 263
 264                 $subbed = DB_DataObject::factory('subscription');
 265                 $subbed->subscribed = $profile->id;
 266                 $subbed_count = (int) $subbed->count();
 267
 268                 $notices = DB_DataObject::factory('notice');
 269                 $notices->profile_id = $profile->id;
 270                 $notice_count = (int) $notices->count();
 271
 272                 common_element_start('div', 'statistics');
 273                 common_element('h2', 'statistics', _t('Statistics'));
 274
 275                 # Other stats...?
 276                 common_element_start('dl', 'statistics');
 277                 common_element('dt', 'subscriptions', _t('Subscriptions'));
 278                 common_element('dd', 'subscriptions', $subs_count);
 279                 common_element('dt', 'subscribers', _t('Subscribers'));
 280                 common_element('dd', 'subscribers', $subbed_count);
 281                 common_element('dt', 'notices', _t('Notices'));
 282                 common_element('dd', 'notices', $notice_count);
 283                 common_element_end('dl');
 284
 285                 common_element_end('div');
 286         }
 287
 288         function show_notices($profile) {
 289
 290                 $notice = DB_DataObject::factory('notice');
 291                 $notice->profile_id = $profile->id;
 292
 293                 $notice->orderBy('created DESC');
 294
 295                 $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
 296
 297                 $notice->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
 298
 299                 $cnt = $notice->find();
 300
 301                 common_element_start('div', 'notices width66 floatLeft');
 302
 303                 for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
 304                         if ($notice->fetch()) {
 305                                 $this->show_notice($notice);
 306                         } else {
 307                                 // shouldn't happen!
 308                                 break;
 309                         }
 310                 }
 311
 312                 if ($page > 1) {
 313                         common_element_start('span', 'floatLeft width25');
 314                         common_element('a', array('href' => common_local_url('showstream',
 315                                                                                                                                  array('nickname' => $profile->nickname,
 316                                                                                                                                            'page' => $page-1)),
 317                                                                           'class' => 'newer'),
 318                                                    _t('Newer'));
 319                         common_element_end('span');
 320                 }
 321
 322                 if ($cnt > NOTICES_PER_PAGE) {
 323                         common_element_start('span', 'floatRight width25');
 324                         common_element('a', array('href' => common_local_url('showstream',
 325                                                                                                                                  array('nickname' => $profile->nickname,
 326                                                                                                                                            'page' => $page+1)),
 327                                                                           'class' => 'older'),
 328                                                    _t('Older'));
 329                         common_element_end('span');
 330                 }
 331
 332                 # XXX: show a link for the next page
 333                 common_element_end('div');
 334         }
 335
 336         function show_last_notice($profile) {
 337
 338                 common_element_start('div', 'lastnotice');
 339                 common_element('h2', 'lastnotice', _t('Currently'));
 340
 341                 $notice = DB_DataObject::factory('notice');
 342                 $notice->profile_id = $profile->id;
 343                 $notice->orderBy('created DESC');
 344                 $notice->limit(0, 1);
 345
 346                 if ($notice->find(true)) {
 347                         # FIXME: URL, image, video, audio
 348                         common_element_start('span', array('class' => 'content'));
 349                         common_raw(common_render_content($notice->content, $notice));
 350                         common_element_end('span');
 351                 }
 352
 353                 common_element_end('div');
 354         }
 355
 356         function show_notice($notice) {
 357                 $profile = $notice->getProfile();
 358                 # XXX: RDFa
 359                 common_element_start('div', array('class' => 'notice',
 360                                                                                   'id' => 'notice-' . $notice->id));
 361                 $noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
 362                 # FIXME: URL, image, video, audio
 363                 common_element_start('span', array('class' => 'content'));
 364                 common_raw(common_render_content($notice->content, $notice));
 365                 common_element_end('span');
 366                 common_element('a', array('class' => 'notice',
 367                                                                   'href' => $noticeurl),
 368                                            common_date_string($notice->created));
 369                 common_element_end('div');
 370         }
 371 }