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 = $profile->getAvatar(AVATAR_PROFILE_SIZE);
 116                 common_element_start('div', array('id' => 'profile_avatar'));
 117                 common_element('img', array('src' => ($avatar) ? $avatar->url : common_default_avatar(AVATAR_PROFILE_SIZE),
 118                                                                         'class' => 'avatar profile',
 119                                                                         'width' => AVATAR_PROFILE_SIZE,
 120                                                                         'height' => AVATAR_PROFILE_SIZE,
 121                                                                         'alt' => $profile->nickname));
 122                 $cur = common_current_user();
 123                 if ($cur) {
 124                         if ($cur->id != $profile->id) {
 125                                 if ($cur->isSubscribed($profile)) {
 126                                         $this->show_unsubscribe_form($profile);
 127                                 } else {
 128                                         $this->show_subscribe_form($profile);
 129                                 }
 130                         }
 131                 } else {
 132                         $this->show_remote_subscribe_form($profile);
 133                 }
 134                 common_element_end('div');
 135
 136                 common_element_start('div', array('id' => 'profile_information'));
 137
 138                 if ($profile->fullname) {
 139                         common_element('h1', NULL, $profile->fullname);
 140                 }
 141                 if ($profile->location) {
 142                         common_element('p', 'location', $profile->location);
 143                 }
 144                 if ($profile->bio) {
 145                         common_element('p', 'description', htmlspecialchars($profile->bio));
 146                 }
 147                 if ($profile->homepage) {
 148                         common_element_start('p', 'website');
 149                         common_element('a', array('href' => $profile->homepage),
 150                                                    $profile->homepage);
 151                         common_element_end('p');
 152                 }
 153
 154                 $this->show_statistics($profile);
 155
 156                 common_element_end('div');
 157         }
 158
 159         function show_subscribe_form($profile) {
 160                 common_element_start('form', array('id' => 'subscribe', 'method' => 'POST',
 161                                                                                    'action' => common_local_url('subscribe')));
 162                 common_element('input', array('id' => 'subscribeto',
 163                                                                           'name' => 'subscribeto',
 164                                                                           'type' => 'hidden',
 165                                                                           'value' => $profile->nickname));
 166                 common_element('input', array('type' => 'submit',
 167                                                                           'class' => 'button',
 168                                                                           'value' => _t('Subscribe')));
 169                 common_element_end('form');
 170         }
 171
 172         function show_remote_subscribe_form($profile) {
 173                 common_element_start('form', array('id' => 'remotesubscribe',
 174                                                                                    'method' => 'POST',
 175                                                                                    'action' => common_local_url('remotesubscribe')));
 176                 common_hidden('nickname', $profile->nickname);
 177                 common_element('input', array('name' => 'profile_url',
 178                                                                           'type' => 'text',
 179                                                                           'id' => 'profile_url',
 180                                                                           'size' => '15'));
 181                 common_element('input', array('type' => 'submit',
 182                                                                           'id' => 'submit',
 183                                                                           'name' => 'submit',
 184                                                                           'value' => _t('Subscribe'),
 185                                                                           'class' => 'button'));
 186                 common_element_end('form');
 187         }
 188
 189         function show_unsubscribe_form($profile) {
 190                 common_element_start('form', array('id' => 'unsubscribe', 'method' => 'POST',
 191                                                                                    'action' => common_local_url('unsubscribe')));
 192                 common_element('input', array('id' => 'unsubscribeto',
 193                                                                           'name' => 'unsubscribeto',
 194                                                                           'type' => 'hidden',
 195                                                                           'value' => $profile->nickname));
 196                 common_element('input', array('type' => 'submit',
 197                                                                           'class' => 'button',
 198                                                                           'value' => _t('Unsubscribe')));
 199                 common_element_end('form');
 200         }
 201
 202         function show_subscriptions($profile) {
 203                 global $config;
 204
 205                 $subs = DB_DataObject::factory('subscription');
 206                 $subs->subscriber = $profile->id;
 207
 208                 # We ask for an extra one to know if we need to do another page
 209
 210                 $subs->limit(0, SUBSCRIPTIONS + 1);
 211
 212                 $subs_count = $subs->find();
 213
 214                 common_element_start('div', array('id' => 'subscriptions'));
 215
 216                 common_element('h2', NULL, _t('Subscriptions'));
 217
 218                 if ($subs_count > 0) {
 219
 220                         common_element_start('ul', array('id' => 'subscriptions_avatars'));
 221
 222                         for ($i = 0; $i < min($subs_count, SUBSCRIPTIONS); $i++) {
 223
 224                                 if (!$subs->fetch()) {
 225                                         common_debug('Weirdly, broke out of subscriptions loop early', __FILE__);
 226                                         break;
 227                                 }
 228
 229                                 $other = Profile::staticGet($subs->subscribed);
 230
 231                                 common_element_start('li');
 232                                 common_element_start('a', array('title' => ($other->fullname) ?
 233                                                                                                 $other->fullname :
 234                                                                                                 $other->nickname,
 235                                                                                                 'href' => $other->profileurl,
 236                                                                                                 'class' => 'subscription'));
 237                                 $avatar = $other->getAvatar(AVATAR_MINI_SIZE);
 238                                 common_element('img', array('src' => (($avatar) ? $avatar->url :  common_default_avatar(AVATAR_MINI_SIZE)),
 239                                                                                         'width' => AVATAR_MINI_SIZE,
 240                                                                                         'height' => AVATAR_MINI_SIZE,
 241                                                                                         'class' => 'avatar mini',
 242                                                                                         'alt' =>  ($other->fullname) ?
 243                                                                                         $other->fullname :
 244                                                                                         $other->nickname));
 245                                 common_element_end('a');
 246                                 common_element_end('li');
 247                         }
 248
 249                         common_element_end('ul');
 250                 }
 251
 252                 if ($subs_count > SUBSCRIPTIONS) {
 253                         common_element_start('p', array('id' => 'subscriptions_viewall'));
 254
 255                         common_element('a', array('href' => common_local_url('subscriptions',
 256                                                                                                                                  array('nickname' => $profile->nickname)),
 257                                                                           'class' => 'moresubscriptions'),
 258                                                    _t('All subscriptions'));
 259                         common_element_end('p');
 260                 }
 261
 262                 common_element_end('div');
 263         }
 264
 265         function show_statistics($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_start('dt', 'subscriptions');
 286                 common_element('a', array('href' => common_local_url('subscriptions',
 287                                                                                                                          array('nickname' => $profile->nickname))),
 288                                            _t('Subscriptions'));
 289                 common_element_end('dt');
 290                 common_element('dd', 'subscriptions', $subs_count);
 291                 common_element_start('dt', 'subscribers');
 292                 common_element('a', array('href' => common_local_url('subscribed',
 293                                                                                                                          array('nickname' => $profile->nickname))),
 294                                            _t('Subscribers'));
 295                 common_element_end('dt');
 296                 common_element('dd', 'subscribers', $subbed_count);
 297                 common_element('dt', 'notices', _t('Notices'));
 298                 common_element('dd', 'notices', $notice_count);
 299                 common_element_end('dl');
 300
 301                 common_element_end('div');
 302         }
 303
 304         function show_notices($profile) {
 305
 306                 $notice = DB_DataObject::factory('notice');
 307                 $notice->profile_id = $profile->id;
 308
 309                 $notice->orderBy('created DESC');
 310
 311                 $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
 312
 313                 $notice->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
 314
 315                 $cnt = $notice->find();
 316
 317                 if ($cnt > 0) {
 318                         common_element_start('ul', array('id' => 'notices'));
 319
 320                         for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
 321                                 if ($notice->fetch()) {
 322                                         $this->show_notice($notice);
 323                                 } else {
 324                                         // shouldn't happen!
 325                                         break;
 326                                 }
 327                         }
 328
 329                         common_element_end('ul');
 330                 }
 331                 common_pagination($page>1, $cnt>NOTICES_PER_PAGE, $page,
 332                                                   'showstream', array('nickname' => $profile->nickname));
 333         }
 334
 335         function show_last_notice($profile) {
 336
 337                 common_element('h2', NULL, _t('Currently'));
 338
 339                 $notice = DB_DataObject::factory('notice');
 340                 $notice->profile_id = $profile->id;
 341                 $notice->orderBy('created DESC');
 342                 $notice->limit(0, 1);
 343
 344                 if ($notice->find(true)) {
 345                         # FIXME: URL, image, video, audio
 346                         common_element_start('p', array('class' => 'notice_current'));
 347                         common_raw(common_render_content($notice->content, $notice));
 348                         common_element_end('p');
 349                 }
 350         }
 351
 352         function show_notice($notice) {
 353                 $profile = $notice->getProfile();
 354                 # XXX: RDFa
 355                 common_element_start('li', array('class' => 'notice_single',
 356                                                                                  'id' => 'notice-' . $notice->id));
 357                 $noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
 358                 # FIXME: URL, image, video, audio
 359                 common_element_start('p');
 360                 common_raw(common_render_content($notice->content, $notice));
 361                 common_element_end('p');
 362                 common_element_start('p', array('class' => 'time'));
 363                 common_element('a', array('class' => 'notice',
 364                                                                   'href' => $noticeurl),
 365                                            common_date_string($notice->created));
 366                 common_element_end('p');
 367                 common_element_end('li');
 368         }
 369 }