actions/showgroup.php

   1 <?php
   2 /**
   3  * Laconica, the distributed open-source microblogging tool
   4  *
   5  * Group main page
   6  *
   7  * PHP version 5
   8  *
   9  * LICENCE: This program is free software: you can redistribute it and/or modify
  10  * it under the terms of the GNU Affero General Public License as published by
  11  * the Free Software Foundation, either version 3 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU Affero General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Affero General Public License
  20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  * @category  Group
  23  * @package   Laconica
  24  * @author    Evan Prodromou <evan@controlyourself.ca>
  25  * @author    Sarven Capadisli <csarven@controlyourself.ca>
  26  * @copyright 2008-2009 Control Yourself, Inc.
  27  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  28  * @link      http://laconi.ca/
  29  */
  30
  31 if (!defined('LACONICA')) {
  32     exit(1);
  33 }
  34
  35 require_once INSTALLDIR.'/lib/noticelist.php';
  36 require_once INSTALLDIR.'/lib/feedlist.php';
  37
  38 define('MEMBERS_PER_SECTION', 81);
  39
  40 /**
  41  * Group main page
  42  *
  43  * @category Group
  44  * @package  Laconica
  45  * @author   Evan Prodromou <evan@controlyourself.ca>
  46  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  47  * @link     http://laconi.ca/
  48  */
  49
  50 class ShowgroupAction extends Action
  51 {
  52     /** group we're viewing. */
  53     var $group = null;
  54     /** page we're viewing. */
  55     var $page = null;
  56
  57     /**
  58      * Is this page read-only?
  59      *
  60      * @return boolean true
  61      */
  62
  63     function isReadOnly()
  64     {
  65         return true;
  66     }
  67
  68     /**
  69      * Title of the page
  70      *
  71      * @return string page title, with page number
  72      */
  73
  74     function title()
  75     {
  76         if ($this->page == 1) {
  77             return sprintf(_("%s group"), $this->group->nickname);
  78         } else {
  79             return sprintf(_("%s group, page %d"),
  80                            $this->group->nickname,
  81                            $this->page);
  82         }
  83     }
  84
  85     /**
  86      * Prepare the action
  87      *
  88      * Reads and validates arguments and instantiates the attributes.
  89      *
  90      * @param array $args $_REQUEST args
  91      *
  92      * @return boolean success flag
  93      */
  94
  95     function prepare($args)
  96     {
  97         parent::prepare($args);
  98
  99         if (!common_config('inboxes','enabled')) {
 100             $this->serverError(_('Inboxes must be enabled for groups to work'));
 101             return false;
 102         }
 103
 104         $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
 105
 106         $nickname_arg = $this->arg('nickname');
 107         $nickname = common_canonical_nickname($nickname_arg);
 108
 109         // Permanent redirect on non-canonical nickname
 110
 111         if ($nickname_arg != $nickname) {
 112             $args = array('nickname' => $nickname);
 113             if ($this->page != 1) {
 114                 $args['page'] = $this->page;
 115             }
 116             common_redirect(common_local_url('showgroup', $args), 301);
 117             return false;
 118         }
 119
 120         if (!$nickname) {
 121             $this->clientError(_('No nickname'), 404);
 122             return false;
 123         }
 124
 125         $this->group = User_group::staticGet('nickname', $nickname);
 126
 127         if (!$this->group) {
 128             $this->clientError(_('No such group'), 404);
 129             return false;
 130         }
 131
 132         return true;
 133     }
 134
 135     /**
 136      * Handle the request
 137      *
 138      * Shows a profile for the group, some controls, and a list of
 139      * group notices.
 140      *
 141      * @return void
 142      */
 143
 144     function handle($args)
 145     {
 146         $this->showPage();
 147     }
 148
 149     /**
 150      * Local menu
 151      *
 152      * @return void
 153      */
 154
 155     function showLocalNav()
 156     {
 157         $nav = new GroupNav($this, $this->group);
 158         $nav->show();
 159     }
 160
 161     /**
 162      * Show the page content
 163      *
 164      * Shows a group profile and a list of group notices
 165      */
 166
 167     function showContent()
 168     {
 169         $this->showGroupProfile();
 170         $this->showGroupNotices();
 171     }
 172
 173     /**
 174      * Show the group notices
 175      *
 176      * @return void
 177      */
 178
 179     function showGroupNotices()
 180     {
 181         $notice = $this->group->getNotices(($this->page-1)*NOTICES_PER_PAGE,
 182                                            NOTICES_PER_PAGE + 1);
 183
 184         $nl = new NoticeList($notice, $this);
 185         $cnt = $nl->show();
 186
 187         $this->pagination($this->page > 1,
 188                           $cnt > NOTICES_PER_PAGE,
 189                           $this->page,
 190                           'showgroup',
 191                           array('nickname' => $this->group->nickname));
 192     }
 193
 194     /**
 195      * Show the group profile
 196      *
 197      * Information about the group
 198      *
 199      * @return void
 200      */
 201
 202     function showGroupProfile()
 203     {
 204         $this->elementStart('div', 'entity_profile vcard author');
 205
 206         $this->element('h2', null, _('Group profile'));
 207
 208         $this->elementStart('dl', 'entity_depiction');
 209         $this->element('dt', null, _('Avatar'));
 210         $this->elementStart('dd');
 211
 212         $logo = ($this->group->homepage_logo) ?
 213           $this->group->homepage_logo : User_group::defaultLogo(AVATAR_PROFILE_SIZE);
 214
 215         $this->element('img', array('src' => $logo,
 216                                     'class' => 'photo avatar',
 217                                     'width' => AVATAR_PROFILE_SIZE,
 218                                     'height' => AVATAR_PROFILE_SIZE,
 219                                     'alt' => $this->group->nickname));
 220         $this->elementEnd('dd');
 221         $this->elementEnd('dl');
 222
 223         $this->elementStart('dl', 'entity_nickname');
 224         $this->element('dt', null, _('Nickname'));
 225         $this->elementStart('dd');
 226         $hasFN = ($this->group->fullname) ? 'nickname url uid' : 'fn org nickname url uid';
 227         $this->element('a', array('href' => $this->group->homeUrl(),
 228                                   'rel' => 'me', 'class' => $hasFN),
 229                             $this->group->nickname);
 230         $this->elementEnd('dd');
 231         $this->elementEnd('dl');
 232
 233         if ($this->group->fullname) {
 234             $this->elementStart('dl', 'entity_fn');
 235             $this->element('dt', null, _('Full name'));
 236             $this->elementStart('dd');
 237             $this->element('span', 'fn org', $this->group->fullname);
 238             $this->elementEnd('dd');
 239             $this->elementEnd('dl');
 240         }
 241
 242         if ($this->group->location) {
 243             $this->elementStart('dl', 'entity_location');
 244             $this->element('dt', null, _('Location'));
 245             $this->element('dd', 'location', $this->group->location);
 246             $this->elementEnd('dl');
 247         }
 248
 249         if ($this->group->homepage) {
 250             $this->elementStart('dl', 'entity_url');
 251             $this->element('dt', null, _('URL'));
 252             $this->elementStart('dd');
 253             $this->element('a', array('href' => $this->group->homepage,
 254                                       'rel' => 'me', 'class' => 'url'),
 255                            $this->group->homepage);
 256             $this->elementEnd('dd');
 257             $this->elementEnd('dl');
 258         }
 259
 260         if ($this->group->description) {
 261             $this->elementStart('dl', 'entity_note');
 262             $this->element('dt', null, _('Note'));
 263             $this->element('dd', 'note', $this->group->description);
 264             $this->elementEnd('dl');
 265         }
 266
 267         $this->elementEnd('div');
 268
 269         $this->elementStart('div', 'entity_actions');
 270         $this->element('h2', null, _('Group actions'));
 271         $this->elementStart('ul');
 272         $this->elementStart('li', array('id' => 'entity_subscribe'));
 273         $cur = common_current_user();
 274         if ($cur) {
 275             if ($cur->isMember($this->group)) {
 276                 if (!$cur->isAdmin($this->group)) {
 277                     $lf = new LeaveForm($this, $this->group);
 278                     $lf->show();
 279                 }
 280             } else {
 281                 $jf = new JoinForm($this, $this->group);
 282                 $jf->show();
 283             }
 284         }
 285
 286         $this->elementEnd('li');
 287
 288         $this->elementEnd('ul');
 289         $this->elementEnd('div');
 290     }
 291
 292     /**
 293      * Show a list of links to feeds this page produces
 294      *
 295      * @return void
 296      */
 297
 298     function showExportData()
 299     {
 300         $fl = new FeedList($this);
 301         $fl->show(array(0=>array('href'=>common_local_url('grouprss',
 302                                                           array('nickname' => $this->group->nickname)),
 303                                  'type' => 'rss',
 304                                  'version' => 'RSS 1.0',
 305                                  'item' => 'notices')));
 306     }
 307
 308     /**
 309      * Show a list of links to feeds this page produces
 310      *
 311      * @return void
 312      */
 313
 314     function showFeeds()
 315     {
 316         $url =
 317           common_local_url('grouprss',
 318                            array('nickname' => $this->group->nickname));
 319
 320         $this->element('link', array('rel' => 'alternate',
 321                                      'href' => $url,
 322                                      'type' => 'application/rss+xml',
 323                                      'title' => sprintf(_('Notice feed for %s group'),
 324                                                         $this->group->nickname)));
 325     }
 326
 327     /**
 328      * Fill in the sidebar.
 329      *
 330      * @return void
 331      */
 332
 333     function showSections()
 334     {
 335         $this->showMembers();
 336         $cloud = new GroupTagCloudSection($this, $this->group);
 337         $cloud->show();
 338     }
 339
 340     /**
 341      * Show mini-list of members
 342      *
 343      * @return void
 344      */
 345
 346     function showMembers()
 347     {
 348         $member = $this->group->getMembers(0, MEMBERS_PER_SECTION);
 349
 350         if (!$member) {
 351             return;
 352         }
 353
 354         $this->elementStart('div', array('id' => 'entity_members',
 355                                          'class' => 'section'));
 356
 357         $this->element('h2', null, _('Members'));
 358
 359         if ($member) {
 360             $pml = new ProfileMiniList($member, null, $this);
 361             $cnt = $pml->show();
 362             if ($cnt == 0) {
 363                 $this->element('p', null, _('(None)'));
 364             }
 365         }
 366
 367         if ($cnt == MEMBERS_PER_SECTION) {
 368             $this->element('a', array('href' => common_local_url('groupmembers',
 369                                                                  array('nickname' => $this->group->nickname))),
 370                            _('All members'));
 371         }
 372
 373         $this->elementEnd('div');
 374     }
 375 }