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                 $this->show_profile($profile);
  60
  61                 $this->show_notices($profile);
  62
  63                 common_show_footer();
  64         }
  65
  66         function show_top($user) {
  67
  68                 $cur = common_current_user();
  69
  70                 if ($cur && $cur->id == $user->id) {
  71                         common_notice_form();
  72                 }
  73
  74                 $this->views_menu();
  75         }
  76
  77         function show_header($user) {
  78                 common_element('link', array('rel' => 'alternate',
  79                                                                          'href' => common_local_url('userrss', array('nickname' =>
  80                                                                                                                                                            $user->nickname)),
  81                                                                          'type' => 'application/rss+xml',
  82                                                                          'title' => _t('Notice feed for ') . $user->nickname));
  83                 common_element('link', array('rel' => 'meta',
  84                                                                          'href' => common_local_url('foaf', array('nickname' =>
  85                                                                                                                                                           $user->nickname)),
  86                                                                          'type' => 'application/rdf+xml',
  87                                                                          'title' => 'FOAF'));
  88                 # for remote subscriptions etc.
  89                 common_element('meta', array('http-equiv' => 'X-XRDS-Location',
  90                                                                          'content' => common_local_url('xrds', array('nickname' =>
  91                                                                                                                                                            $user->nickname))));
  92         }
  93
  94         function no_such_user() {
  95                 common_user_error('No such user');
  96         }
  97
  98         function show_profile($profile) {
  99
 100                 common_element_start('div', array('id' => 'profile'));
 101
 102                 $this->show_personal($profile);
 103
 104                 $this->show_last_notice($profile);
 105
 106                 $cur = common_current_user();
 107
 108                 $this->show_subscriptions($profile);
 109
 110                 common_element_end('div');
 111         }
 112
 113         function show_personal($profile) {
 114
 115                 $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
 116                 if ($avatar) {
 117                         common_element_start('div', array('id' => 'profile_avatar'));
 118                         common_element('img', array('src' => $avatar->url,
 119                                                                                 'class' => 'avatar profile',
 120                                                                                 'width' => AVATAR_PROFILE_SIZE,
 121                                                                                 'height' => AVATAR_PROFILE_SIZE,
 122                                                                                 'alt' => $profile->nickname));
 123                         $cur = common_current_user();
 124                         if ($cur) {
 125                                 if ($cur->id != $profile->id) {
 126                                         if ($cur->isSubscribed($profile)) {
 127                                                 $this->show_unsubscribe_form($profile);
 128                                         } else {
 129                                                 $this->show_subscribe_form($profile);
 130                                         }
 131                                 }
 132                         } else {
 133                                 $this->show_remote_subscribe_form($profile);
 134                         }
 135                         common_element_end('div');
 136                 }
 137                 common_element_start('div', array('id' => 'profile_information'));
 138
 139                 if ($profile->fullname) {
 140                         common_element('h1', NULL, $profile->fullname);
 141                 }
 142                 if ($profile->location) {
 143                         common_element('p', 'location', $profile->location);
 144                 }
 145                 if ($profile->bio) {
 146                         common_element('p', 'description', htmlspecialchars($profile->bio));
 147                 }
 148                 if ($profile->homepage) {
 149                         common_element_start('p', 'website');
 150                         common_element('a', array('href' => $profile->homepage),
 151                                                    $profile->homepage);
 152                         common_element_end('p');
 153                 }
 154
 155                 $this->show_statistics($profile);
 156
 157                 common_element_end('div');
 158         }
 159
 160         function show_subscribe_form($profile) {
 161                 common_element_start('form', array('id' => 'subscribe', 'method' => 'POST',
 162                                                                                    'action' => common_local_url('subscribe')));
 163                 common_element('input', array('id' => 'subscribeto',
 164                                                                           'name' => 'subscribeto',
 165                                                                           'type' => 'hidden',
 166                                                                           'value' => $profile->nickname));
 167                 common_element('input', array('type' => 'submit',
 168                                                                           'class' => 'button',
 169                                                                           'value' => _t('Subscribe')));
 170                 common_element_end('form');
 171         }
 172
 173         function show_remote_subscribe_form($profile) {
 174                 common_element_start('form', array('id' => 'remotesubscribe',
 175                                                                                    'method' => 'POST',
 176                                                                                    'action' => common_local_url('remotesubscribe')));
 177                 common_hidden('nickname', $profile->nickname);
 178                 common_element('input', array('name' => 'profile_url',
 179                                                                           'type' => 'text',
 180                                                                           'id' => 'profile_url',
 181                                                                           'size' => '15'));
 182                 common_element('input', array('type' => 'submit',
 183                                                                           'id' => 'submit',
 184                                                                           'name' => 'submit',
 185                                                                           'value' => _t('Subscribe'),
 186                                                                           'class' => 'button'));
 187                 common_element_end('form');
 188         }
 189
 190         function show_unsubscribe_form($profile) {
 191                 common_element_start('form', array('id' => 'unsubscribe', 'method' => 'POST',
 192                                                                                    'action' => common_local_url('unsubscribe')));
 193                 common_element('input', array('id' => 'unsubscribeto',
 194                                                                           'name' => 'unsubscribeto',
 195                                                                           'type' => 'hidden',
 196                                                                           'value' => $profile->nickname));
 197                 common_element('input', array('type' => 'submit',
 198                                                                           'class' => 'button',
 199                                                                           'value' => _t('Unsubscribe')));
 200                 common_element_end('form');
 201         }
 202
 203         function show_subscriptions($profile) {
 204                 global $config;
 205
 206                 $subs = DB_DataObject::factory('subscription');
 207                 $subs->subscriber = $profile->id;
 208
 209                 # We ask for an extra one to know if we need to do another page
 210
 211                 $subs->limit(0, SUBSCRIPTIONS + 1);
 212
 213                 $subs_count = $subs->find();
 214
 215                 common_element_start('div', array('id' => 'subscriptions'));
 216
 217                 common_element('h2', NULL, _t('Subscriptions'));
 218
 219                 if ($subs_count > 0) {
 220
 221                         common_element_start('ul', array('id' => 'subscriptions_avatars'));
 222
 223                         for ($i = 0; $i < min($subs_count, SUBSCRIPTIONS); $i++) {
 224
 225                                 if (!$subs->fetch()) {
 226                                         common_debug('Weirdly, broke out of subscriptions loop early', __FILE__);
 227                                         break;
 228                                 }
 229
 230                                 $other = Profile::staticGet($subs->subscribed);
 231
 232                                 common_element_start('li');
 233                                 common_element_start('a', array('title' => ($other->fullname) ?
 234                                                                                                 $other->fullname :
 235                                                                                                 $other->nickname,
 236                                                                                                 'href' => $other->profileurl,
 237                                                                                                 'class' => 'subscription'));
 238                                 $avatar = $other->getAvatar(AVATAR_MINI_SIZE);
 239                                 common_element('img', array('src' => (($avatar) ? $avatar->url :  common_default_avatar(AVATAR_MINI_SIZE)),
 240                                                                                         'width' => AVATAR_MINI_SIZE,
 241                                                                                         'height' => AVATAR_MINI_SIZE,
 242                                                                                         'class' => 'avatar mini',
 243                                                                                         'alt' =>  ($other->fullname) ?
 244                                                                                         $other->fullname :
 245                                                                                         $other->nickname));
 246                                 common_element_end('a');
 247                                 common_element_end('li');
 248                         }
 249
 250                         common_element_end('ul');
 251                 }
 252
 253                 if ($subs_count > SUBSCRIPTIONS) {
 254                         common_element_start('p', array('id' => 'subscriptions_viewall'));
 255
 256                         common_element('a', array('href' => common_local_url('subscriptions',
 257                                                                                                                                  array('nickname' => $profile->nickname)),
 258                                                                           'class' => 'moresubscriptions'),
 259                                                    _t('All subscriptions'));
 260                         common_element_end('p');
 261                 }
 262
 263                 common_element_end('div');
 264         }
 265
 266         function show_statistics($profile) {
 267
 268                 // XXX: WORM cache this
 269                 $subs = DB_DataObject::factory('subscription');
 270                 $subs->subscriber = $profile->id;
 271                 $subs_count = (int) $subs->count();
 272
 273                 $subbed = DB_DataObject::factory('subscription');
 274                 $subbed->subscribed = $profile->id;
 275                 $subbed_count = (int) $subbed->count();
 276
 277                 $notices = DB_DataObject::factory('notice');
 278                 $notices->profile_id = $profile->id;
 279                 $notice_count = (int) $notices->count();
 280
 281                 common_element_start('div', 'statistics');
 282                 common_element('h2', 'statistics', _t('Statistics'));
 283
 284                 # Other stats...?
 285                 common_element_start('dl', 'statistics');
 286                 common_element_start('dt', 'subscriptions');
 287                 common_element('a', array('href' => common_local_url('subscriptions',
 288                                                                                                                          array('nickname' => $profile->nickname))),
 289                                            _t('Subscriptions'));
 290                 common_element_end('dt');
 291                 common_element('dd', 'subscriptions', $subs_count);
 292                 common_element_start('dt', 'subscribers');
 293                 common_element('a', array('href' => common_local_url('subscribed',
 294                                                                                                                          array('nickname' => $profile->nickname))),
 295                                            _t('Subscribers'));
 296                 common_element_end('dt');
 297                 common_element('dd', 'subscribers', $subbed_count);
 298                 common_element('dt', 'notices', _t('Notices'));
 299                 common_element('dd', 'notices', $notice_count);
 300                 common_element_end('dl');
 301
 302                 common_element_end('div');
 303         }
 304
 305         function show_notices($profile) {
 306
 307                 $notice = DB_DataObject::factory('notice');
 308                 $notice->profile_id = $profile->id;
 309
 310                 $notice->orderBy('created DESC');
 311
 312                 $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
 313
 314                 $notice->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
 315
 316                 $cnt = $notice->find();
 317
 318                 if ($cnt > 0) {
 319                         common_element_start('ul', array('id' => 'notices'));
 320
 321                         for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
 322                                 if ($notice->fetch()) {
 323                                         $this->show_notice($notice);
 324                                 } else {
 325                                         // shouldn't happen!
 326                                         break;
 327                                 }
 328                         }
 329
 330                         common_element_end('ul');
 331                 }
 332                 common_pagination($page>1, $cnt>NOTICES_PER_PAGE, $page,
 333                                                   'showstream', array('nickname' => $profile->nickname));
 334         }
 335
 336         function show_last_notice($profile) {
 337
 338                 common_element('h2', NULL, _t('Currently'));
 339
 340                 $notice = DB_DataObject::factory('notice');
 341                 $notice->profile_id = $profile->id;
 342                 $notice->orderBy('created DESC');
 343                 $notice->limit(0, 1);
 344
 345                 if ($notice->find(true)) {
 346                         # FIXME: URL, image, video, audio
 347                         common_element_start('p', array('class' => 'notice_current'));
 348                         common_raw(common_render_content($notice->content, $notice));
 349                         common_element_end('p');
 350                 }
 351         }
 352
 353         function show_notice($notice) {
 354                 $profile = $notice->getProfile();
 355                 # XXX: RDFa
 356                 common_element_start('li', array('class' => 'notice_single',
 357                                                                                  'id' => 'notice-' . $notice->id));
 358                 $noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
 359                 # FIXME: URL, image, video, audio
 360                 common_element_start('p');
 361                 common_raw(common_render_content($notice->content, $notice));
 362                 common_element_end('p');
 363                 common_element_start('p', array('class' => 'time'));
 364                 common_element('a', array('class' => 'notice',
 365                                                                   'href' => $noticeurl),
 366                                            common_date_string($notice->created));
 367                 common_element_end('p');
 368                 common_element_end('li');
 369         }
 370 }