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,
  56                                                    array($this, 'show_header'), $user,
  57                                                    array($this, 'show_top'));
  58
  59                 $cur = common_current_user();
  60
  61                 if ($cur && $cur->id == $profile->id) {
  62                         common_notice_form();
  63                 }
  64
  65                 $this->views_menu();
  66
  67                 $this->show_profile($profile);
  68
  69                 $this->show_notices($profile);
  70
  71                 common_show_footer();
  72         }
  73
  74         function show_top($user) {
  75
  76                 $cur = common_current_user();
  77
  78                 if ($cur && $cur->id == $user->id) {
  79                         common_notice_form();
  80                 }
  81
  82                 $this->views_menu();
  83         }
  84
  85         function show_header($user) {
  86                 common_element('link', array('rel' => 'alternate',
  87                                                                          'href' => common_local_url('userrss', array('nickname' =>
  88                                                                                                                                                            $user->nickname)),
  89                                                                          'type' => 'application/rss+xml',
  90                                                                          'title' => _t('Notice feed for ') . $user->nickname));
  91                 common_element('link', array('rel' => 'meta',
  92                                                                          'href' => common_local_url('foaf', array('nickname' =>
  93                                                                                                                                                           $user->nickname)),
  94                                                                          'type' => 'application/rdf+xml',
  95                                                                          'title' => 'FOAF'));
  96                 # for remote subscriptions etc.
  97                 common_element('meta', array('http-equiv' => 'X-XRDS-Location',
  98                                                                          'content' => common_local_url('xrds', array('nickname' =>
  99                                                                                                                                                            $user->nickname))));
 100         }
 101
 102         function no_such_user() {
 103                 common_user_error('No such user');
 104         }
 105
 106         function show_profile($profile) {
 107
 108                 common_element_start('div', array('id' => 'profile'));
 109
 110                 $this->show_personal($profile);
 111
 112                 $this->show_last_notice($profile);
 113
 114                 $cur = common_current_user();
 115
 116                 $this->show_subscriptions($profile);
 117
 118                 common_element_end('div');
 119         }
 120
 121         function show_personal($profile) {
 122
 123                 $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
 124                 if ($avatar) {
 125                         common_element_start('div', array('id' => 'profile_avatar'));
 126                         common_element('img', array('src' => $avatar->url,
 127                                                                                 'class' => 'avatar profile',
 128                                                                                 'width' => AVATAR_PROFILE_SIZE,
 129                                                                                 'height' => AVATAR_PROFILE_SIZE,
 130                                                                                 'alt' => $profile->nickname));
 131                         $cur = common_current_user();
 132                         if ($cur) {
 133                                 if ($cur->id != $profile->id) {
 134                                         if ($cur->isSubscribed($profile)) {
 135                                                 $this->show_unsubscribe_form($profile);
 136                                         } else {
 137                                                 $this->show_subscribe_form($profile);
 138                                         }
 139                                 }
 140                         } else {
 141                                 $this->show_remote_subscribe_form($profile);
 142                         }
 143                         common_element_end('div');
 144                 }
 145                 common_element_start('div', array('id' => 'profile_information'));
 146
 147                 if ($profile->fullname) {
 148                         common_element('h1', NULL, $profile->fullname);
 149                 }
 150                 if ($profile->location) {
 151                         common_element('p', 'location', $profile->location);
 152                 }
 153                 if ($profile->bio) {
 154                         common_element('p', 'description', htmlspecialchars($profile->bio));
 155                 }
 156                 if ($profile->homepage) {
 157                         common_element('p', 'website', $profile->homepage);
 158                 }
 159
 160                 $this->show_statistics($profile);
 161
 162                 common_element_end('div');
 163         }
 164
 165         function show_subscribe_form($profile) {
 166                 common_element_start('form', array('id' => 'subscribe', 'method' => 'POST',
 167                                                                                    'action' => common_local_url('subscribe')));
 168                 common_element('input', array('id' => 'subscribeto',
 169                                                                           'name' => 'subscribeto',
 170                                                                           'type' => 'hidden',
 171                                                                           'value' => $profile->nickname));
 172                 common_element('input', array('type' => 'submit',
 173                                                                           'class' => 'button',
 174                                                                           'value' => _t('Subscribe')));
 175                 common_element_end('form');
 176         }
 177
 178         function show_remote_subscribe_form($profile) {
 179                 common_element_start('form', array('id' => 'remotesubscribe',
 180                                                                                    'method' => 'POST',
 181                                                                                    'action' => common_local_url('remotesubscribe')));
 182                 common_hidden('nickname', $profile->nickname);
 183                 common_element('input', array('name' => 'profile',
 184                                                                           'type' => 'text',
 185                                                                           'id' => 'profile',
 186                                                                           'size' => '15'));
 187                 common_element('input', array('type' => 'submit',
 188                                                                           'id' => 'submit',
 189                                                                           'name' => 'submit',
 190                                                                           'value' => _t('Subscribe'),
 191                                                                           'class' => 'button'));
 192                 common_element_end('form');
 193         }
 194
 195         function show_unsubscribe_form($profile) {
 196                 common_element_start('form', array('id' => 'unsubscribe', 'method' => 'POST',
 197                                                                                    'action' => common_local_url('unsubscribe')));
 198                 common_element('input', array('id' => 'unsubscribeto',
 199                                                                           'name' => 'unsubscribeto',
 200                                                                           'type' => 'hidden',
 201                                                                           'value' => $profile->nickname));
 202                 common_element('input', array('type' => 'submit',
 203                                                                           'class' => 'button',
 204                                                                           'value' => _t('Unsubscribe')));
 205                 common_element_end('form');
 206         }
 207
 208         function show_subscriptions($profile) {
 209                 global $config;
 210
 211                 # XXX: add a limit
 212                 $subs = DB_DataObject::factory('subscription');
 213                 $subs->subscriber = $profile->id;
 214
 215                 # We ask for an extra one to know if we need to do another page
 216
 217                 $subs->limit(0, SUBSCRIPTIONS);
 218
 219                 $subs_count = $subs->find();
 220
 221                 common_element_start('div', array('id' => 'subscriptions'));
 222
 223                 common_element('h2', NULL, _t('Subscriptions'));
 224
 225                 if ($subs_count > 0) {
 226
 227                         common_element_start('ul', array('id' => 'subscriptions_avatars'));
 228
 229                         while ($subs->fetch()) {
 230
 231                                 $other = Profile::staticGet($subs->subscribed);
 232
 233                                 common_element_start('li');
 234                                 common_element_start('a', array('title' => ($other->fullname) ?
 235                                                                                                 $other->fullname :
 236                                                                                                 $other->nickname,
 237                                                                                                 'href' => $other->profileurl,
 238                                                                                                 'class' => 'subscription'));
 239                                 $avatar = $other->getAvatar(AVATAR_MINI_SIZE);
 240                                 common_element('img', array('src' => (($avatar) ? $avatar->url :  common_default_avatar(AVATAR_MINI_SIZE)),
 241                                                                                         'width' => AVATAR_MINI_SIZE,
 242                                                                                         'height' => AVATAR_MINI_SIZE,
 243                                                                                         'class' => 'avatar mini',
 244                                                                                         'alt' =>  ($other->fullname) ?
 245                                                                                         $other->fullname :
 246                                                                                         $other->nickname));
 247                                 common_element_end('a');
 248                                 common_element_end('li');
 249                         }
 250                         common_element_end('ul');
 251                 }
 252
 253                 common_element_start('p', array('id' => 'subscriptions_viewall'));
 254
 255                 common_element('a', array('href' => common_local_url('subscriptions',
 256                                                                                                                          array('nickname' => $profile->nickname)),
 257                                                                   'class' => 'moresubscriptions'),
 258                                            _t('All subscriptions'));
 259
 260                 common_element_end('p');
 261
 262                 common_element_end('div');
 263         }
 264
 265         function show_statistics($profile) {
 266
 267                 // XXX: WORM cache this
 268                 $subs = DB_DataObject::factory('subscription');
 269                 $subs->subscriber = $profile->id;
 270                 $subs_count = (int) $subs->count();
 271
 272                 $subbed = DB_DataObject::factory('subscription');
 273                 $subbed->subscribed = $profile->id;
 274                 $subbed_count = (int) $subbed->count();
 275
 276                 $notices = DB_DataObject::factory('notice');
 277                 $notices->profile_id = $profile->id;
 278                 $notice_count = (int) $notices->count();
 279
 280                 common_element_start('div', 'statistics');
 281                 common_element('h2', 'statistics', _t('Statistics'));
 282
 283                 # Other stats...?
 284                 common_element_start('dl', 'statistics');
 285                 common_element('dt', 'subscriptions', _t('Subscriptions'));
 286                 common_element('dd', 'subscriptions', $subs_count);
 287                 common_element('dt', 'subscribers', _t('Subscribers'));
 288                 common_element('dd', 'subscribers', $subbed_count);
 289                 common_element('dt', 'notices', _t('Notices'));
 290                 common_element('dd', 'notices', $notice_count);
 291                 common_element_end('dl');
 292
 293                 common_element_end('div');
 294         }
 295
 296         function show_notices($profile) {
 297
 298                 $notice = DB_DataObject::factory('notice');
 299                 $notice->profile_id = $profile->id;
 300
 301                 $notice->orderBy('created DESC');
 302
 303                 $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
 304
 305                 $notice->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
 306
 307                 $cnt = $notice->find();
 308
 309                 if ($cnt > 0) {
 310                         common_element_start('ul', array('id' => 'notices'));
 311
 312                         for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
 313                                 if ($notice->fetch()) {
 314                                         $this->show_notice($notice);
 315                                 } else {
 316                                         // shouldn't happen!
 317                                         break;
 318                                 }
 319                         }
 320
 321                         common_element_end('ul');
 322                 }
 323                 common_pagination($page>1, $cnt>NOTICES_PER_PAGE, $page,
 324                                                   'showstream', array('nickname' => $profile->nickname));
 325         }
 326
 327         function show_last_notice($profile) {
 328
 329                 common_element('h2', NULL, _t('Currently'));
 330
 331                 $notice = DB_DataObject::factory('notice');
 332                 $notice->profile_id = $profile->id;
 333                 $notice->orderBy('created DESC');
 334                 $notice->limit(0, 1);
 335
 336                 if ($notice->find(true)) {
 337                         # FIXME: URL, image, video, audio
 338                         common_element_start('p', array('class' => 'notice_current'));
 339                         common_raw(common_render_content($notice->content, $notice));
 340                         common_element_end('p');
 341                 }
 342         }
 343
 344         function show_notice($notice) {
 345                 $profile = $notice->getProfile();
 346                 # XXX: RDFa
 347                 common_element_start('li', array('class' => 'notice_single',
 348                                                                                  'id' => 'notice-' . $notice->id));
 349                 $noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
 350                 # FIXME: URL, image, video, audio
 351                 common_element_start('p');
 352                 common_raw(common_render_content($notice->content, $notice));
 353                 common_element_end('p');
 354                 common_element_start('p', array('class' => 'time'));
 355                 common_element('a', array('class' => 'notice',
 356                                                                   'href' => $noticeurl),
 357                                            common_date_string($notice->created));
 358                 common_element_end('p');
 359                 common_element_end('li');
 360         }
 361 }