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; show the header
  49
  50                 common_show_header($profile->nickname, array($this, 'show_header'), $user);
  51
  52                 $cur = common_current_user();
  53
  54                 if ($cur && $profile->id == $cur->id) {
  55                         common_notice_form();
  56                 }
  57
  58                 $this->show_sidebar($profile);
  59
  60                 $this->show_notices($profile);
  61
  62                 common_show_footer();
  63         }
  64
  65         function show_header($user) {
  66                 common_element('link', array('rel' => 'alternate',
  67                                                                          'href' => common_local_url('userrss', array('nickname' =>
  68                                                                                                                                                            $user->nickname)),
  69                                                                          'type' => 'application/rss+xml',
  70                                                                          'title' => _t('Notice feed for ') . $user->nickname));
  71                 # for remote subscriptions etc.
  72                 common_element('meta', array('http-equiv' => 'X-XRDS-Location',
  73                                                                          'content' => common_local_url('xrds', array('nickname' =>
  74                                                                                                                                                            $user->nickname))));
  75         }
  76
  77         function no_such_user() {
  78                 common_user_error('No such user');
  79         }
  80
  81         function show_sidebar($profile) {
  82
  83                 common_element_start('div', 'sidebar width33 floatRight greenBg');
  84
  85                 $this->show_profile($profile);
  86
  87                 $this->show_last_notice($profile);
  88
  89                 $cur = common_current_user();
  90
  91                 if ($cur) {
  92                         if ($cur->id != $profile->id) {
  93                                 if ($cur->isSubscribed($profile)) {
  94                                         $this->show_unsubscribe_form($profile);
  95                                 } else {
  96                                         $this->show_subscribe_form($profile);
  97                                 }
  98                         }
  99                 } else {
 100                         $this->show_remote_subscribe_form($profile);
 101                 }
 102
 103                 $this->show_statistics($profile);
 104
 105                 $this->show_subscriptions($profile);
 106
 107                 common_element_end('div');
 108         }
 109
 110         function show_profile($profile) {
 111                 common_element_start('div', 'profile');
 112
 113                 $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
 114                 if ($avatar) {
 115                         common_element('img', array('src' => $avatar->url,
 116                                                                                 'class' => 'avatar profile',
 117                                                                                 'width' => AVATAR_PROFILE_SIZE,
 118                                                                                 'height' => AVATAR_PROFILE_SIZE,
 119                                                                                 'alt' => $profile->nickname));
 120                 }
 121                 if ($profile->fullname) {
 122                         common_element_start('div', 'fullname');
 123                         if ($profile->homepage) {
 124                                 common_element('a', array('href' => $profile->homepage),
 125                                                            $profile->fullname);
 126                         } else {
 127                                 common_text($profile->fullname);
 128                         }
 129                         common_element_end('div');
 130                 }
 131                 if ($profile->location) {
 132                         common_element('div', 'location', $profile->location);
 133                 }
 134                 if ($profile->bio) {
 135                         common_element('div', 'bio', $profile->bio);
 136                 }
 137                 common_element_end('div');
 138         }
 139
 140         function show_subscribe_form($profile) {
 141                 common_element_start('form', array('id' => 'subscribe', 'method' => 'POST',
 142                                                                                    'action' => common_local_url('subscribe')));
 143                 common_element('input', array('id' => 'subscribeto',
 144                                                                           'name' => 'subscribeto',
 145                                                                           'type' => 'hidden',
 146                                                                           'value' => $profile->nickname));
 147                 common_element('input', array('type' => 'submit',
 148                                                                           'class' => 'button',
 149                                                                           'value' => _t('Subscribe')));
 150                 common_element_end('form');
 151         }
 152
 153         function show_remote_subscribe_form($profile) {
 154                 common_element_start('form', array('id' => 'remotesubscribe', 'method' => 'POST',
 155                                                                                    'action' => common_local_url('remotesubscribe')));
 156                 common_hidden('nickname', $profile->nickname);
 157                 common_input('profile', _t('Profile'));
 158                 common_submit('submit',_t('Subscribe'));
 159                 common_element_end('form');
 160         }
 161
 162         function show_unsubscribe_form($profile) {
 163                 common_element_start('form', array('id' => 'unsubscribe', 'method' => 'POST',
 164                                                                                    'action' => common_local_url('unsubscribe')));
 165                 common_element('input', array('id' => 'unsubscribeto',
 166                                                                           'name' => 'unsubscribeto',
 167                                                                           'type' => 'hidden',
 168                                                                           'value' => $profile->nickname));
 169                 common_element('input', array('type' => 'submit',
 170                                                                           'class' => 'button',
 171                                                                           'value' => _t('Unsubscribe')));
 172                 common_element_end('form');
 173         }
 174
 175         function show_subscriptions($profile) {
 176                 global $config;
 177
 178                 # XXX: add a limit
 179                 $subs = DB_DataObject::factory('subscription');
 180                 $subs->subscriber = $profile->id;
 181
 182                 # We ask for an extra one to know if we need to do another page
 183
 184                 $subs->limit(0, SUBSCRIPTIONS);
 185
 186                 $subs_count = $subs->find();
 187
 188                 common_element_start('div', 'subscriptions');
 189
 190                 common_element('h2', 'subscriptions', _t('Subscriptions'));
 191
 192                 $idx = 0;
 193
 194                 while ($subs->fetch()) {
 195                         $idx++;
 196                         if ($idx % SUBSCRIPTIONS_PER_ROW == 1) {
 197                                 common_element_start('div', 'row');
 198                         }
 199
 200                         $other = Profile::staticGet($subs->subscribed);
 201
 202                         common_element_start('a', array('title' => ($other->fullname) ?
 203                                                                                         $other->fullname :
 204                                                                                         $other->nickname,
 205                                                                                         'href' => $other->profileurl,
 206                                                                                         'class' => 'subscription'));
 207                         $avatar = $other->getAvatar(AVATAR_MINI_SIZE);
 208                         common_element('img', array('src' => (($avatar) ? $avatar->url :  common_default_avatar(AVATAR_MINI_SIZE)),
 209                                                                                 'width' => AVATAR_MINI_SIZE,
 210                                                                                 'height' => AVATAR_MINI_SIZE,
 211                                                                                 'class' => 'avatar mini',
 212                                                                                 'alt' =>  ($other->fullname) ?
 213                                                                                 $other->fullname :
 214                                                                                 $other->nickname));
 215                         common_element_end('a');
 216
 217                         if ($idx % SUBSCRIPTIONS_PER_ROW == 0) {
 218                                 common_element_end('div');
 219                         }
 220
 221                         if ($idx == SUBSCRIPTIONS) {
 222                                 break;
 223                         }
 224                 }
 225
 226                 # close any unclosed row
 227                 if ($idx % SUBSCRIPTIONS_PER_ROW != 0) {
 228                         common_element_end('div');
 229                 }
 230
 231                 common_element('a', array('href' => common_local_url('subscriptions',
 232                                                                                                                          array('nickname' => $profile->nickname)),
 233                                                                   'class' => 'moresubscriptions'),
 234                                            _t('All subscriptions'));
 235
 236                 common_element_end('div');
 237         }
 238
 239         function show_statistics($profile) {
 240
 241                 // XXX: WORM cache this
 242                 $subs = DB_DataObject::factory('subscription');
 243                 $subs->subscriber = $profile->id;
 244                 $subs_count = (int) $subs->count();
 245
 246                 $subbed = DB_DataObject::factory('subscription');
 247                 $subbed->subscribed = $profile->id;
 248                 $subbed_count = (int) $subbed->count();
 249
 250                 $notices = DB_DataObject::factory('notice');
 251                 $notices->profile_id = $profile->id;
 252                 $notice_count = (int) $notices->count();
 253
 254                 common_element_start('div', 'statistics');
 255                 common_element('h2', 'statistics', _t('Statistics'));
 256
 257                 # Other stats...?
 258                 common_element_start('dl', 'statistics');
 259                 common_element('dt', 'subscriptions', _t('Subscriptions'));
 260                 common_element('dd', 'subscriptions', $subs_count);
 261                 common_element('dt', 'subscribers', _t('Subscribers'));
 262                 common_element('dd', 'subscribers', $subbed_count);
 263                 common_element('dt', 'notices', _t('Notices'));
 264                 common_element('dd', 'notices', $notice_count);
 265                 common_element_end('dl');
 266
 267                 common_element_end('div');
 268         }
 269
 270         function show_notices($profile) {
 271
 272                 $notice = DB_DataObject::factory('notice');
 273                 $notice->profile_id = $profile->id;
 274
 275                 $notice->orderBy('created DESC');
 276
 277                 $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
 278
 279                 $notice->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
 280
 281                 $cnt = $notice->find();
 282
 283                 common_element_start('div', 'notices width66 floatLeft');
 284
 285                 for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
 286                         if ($notice->fetch()) {
 287                                 $this->show_notice($notice);
 288                         } else {
 289                                 // shouldn't happen!
 290                                 break;
 291                         }
 292                 }
 293
 294                 if ($page > 1) {
 295                         common_element_start('span', 'floatLeft width25');
 296                         common_element('a', array('href' => common_local_url('showstream',
 297                                                                                                                                  array('nickname' => $profile->nickname,
 298                                                                                                                                            'page' => $page-1)),
 299                                                                           'class' => 'newer'),
 300                                                    _t('Newer'));
 301                         common_element_end('span');
 302                 }
 303
 304                 if ($cnt > NOTICES_PER_PAGE) {
 305                         common_element_start('span', 'floatRight width25');
 306                         common_element('a', array('href' => common_local_url('showstream',
 307                                                                                                                                  array('nickname' => $profile->nickname,
 308                                                                                                                                            'page' => $page+1)),
 309                                                                           'class' => 'older'),
 310                                                    _t('Older'));
 311                         common_element_end('span');
 312                 }
 313
 314                 # XXX: show a link for the next page
 315                 common_element_end('div');
 316         }
 317
 318         function show_last_notice($profile) {
 319
 320                 common_element_start('div', 'lastnotice');
 321                 common_element('h2', 'lastnotice', _t('Currently'));
 322
 323                 $notice = DB_DataObject::factory('notice');
 324                 $notice->profile_id = $profile->id;
 325                 $notice->orderBy('created DESC');
 326                 $notice->limit(0, 1);
 327
 328                 if ($notice->find(true)) {
 329                         # FIXME: URL, image, video, audio
 330                         common_element_start('span', array('class' => 'content'));
 331                         common_raw(common_render_content($notice->content, $notice));
 332                         common_element_end('span');
 333                 }
 334
 335                 common_element_end('div');
 336         }
 337
 338         function show_notice($notice) {
 339                 $profile = $notice->getProfile();
 340                 # XXX: RDFa
 341                 common_element_start('div', array('class' => 'notice',
 342                                                                                   'id' => 'notice-' . $notice->id));
 343                 $noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
 344                 # FIXME: URL, image, video, audio
 345                 common_element_start('span', array('class' => 'content'));
 346                 common_raw(common_render_content($notice->content, $notice));
 347                 common_element_end('span');
 348                 common_element('a', array('class' => 'notice',
 349                                                                   'href' => $noticeurl),
 350                                            common_date_string($notice->created));
 351                 common_element_end('div');
 352         }
 353 }