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  Personal
  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 /**
  39  * Group main page
  40  *
  41  * @category Personal
  42  * @package  Laconica
  43  * @author   Evan Prodromou <evan@controlyourself.ca>
  44  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  45  * @link     http://laconi.ca/
  46  */
  47
  48 class ShowgroupAction extends Action
  49 {
  50     /** group we're viewing. */
  51     var $group = null;
  52     /** page we're viewing. */
  53     var $page = null;
  54
  55     /**
  56      * Title of the page
  57      *
  58      * @return string page title, with page number
  59      */
  60
  61     function title()
  62     {
  63         if ($this->page == 1) {
  64             return sprintf(_("%s group"), $this->group->nickname);
  65         } else {
  66             return sprintf(_("%s group, page %d"),
  67                            $this->group->nickname,
  68                            $this->page);
  69         }
  70     }
  71
  72     /**
  73      * Prepare the action
  74      *
  75      * Reads and validates arguments and instantiates the attributes.
  76      *
  77      * @param array $args $_REQUEST args
  78      *
  79      * @return boolean success flag
  80      */
  81
  82     function prepare($args)
  83     {
  84         parent::prepare($args);
  85
  86         if (!common_config('inboxes','enabled')) {
  87             $this->serverError(_('Inboxes must be enabled for groups to work'));
  88             return false;
  89         }
  90
  91         $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
  92
  93         $nickname_arg = $this->arg('nickname');
  94         $nickname = common_canonical_nickname($nickname_arg);
  95
  96         // Permanent redirect on non-canonical nickname
  97
  98         if ($nickname_arg != $nickname) {
  99             $args = array('nickname' => $nickname);
 100             if ($this->page != 1) {
 101                 $args['page'] = $this->page;
 102             }
 103             common_redirect(common_local_url('showgroup', $args), 301);
 104             return false;
 105         }
 106
 107         if (!$nickname) {
 108             $this->clientError(_('No nickname'), 404);
 109             return false;
 110         }
 111
 112         $this->group = User_group::staticGet('nickname', $nickname);
 113
 114         if (!$this->group) {
 115             $this->clientError(_('No such group'), 404);
 116             return false;
 117         }
 118
 119         return true;
 120     }
 121
 122     /**
 123      * Handle the request
 124      *
 125      * Shows a profile for the group, some controls, and a list of
 126      * group notices.
 127      *
 128      * @return void
 129      */
 130
 131     function handle($args)
 132     {
 133         $this->showPage();
 134     }
 135
 136     /**
 137      * Show the page content
 138      *
 139      * Shows a group profile and a list of group notices
 140      */
 141
 142     function showContent()
 143     {
 144         $this->showGroupProfile();
 145         $this->showGroupNotices();
 146     }
 147
 148     /**
 149      * Show the group notices
 150      *
 151      * @return void
 152      */
 153
 154     function showGroupNotices()
 155     {
 156         $notice = $this->group->getNotices(($this->page-1)*NOTICES_PER_PAGE,
 157                                            NOTICES_PER_PAGE + 1);
 158
 159         $nl = new NoticeList($notice, $this);
 160         $cnt = $nl->show();
 161
 162         $this->pagination($this->page > 1,
 163                           $cnt > NOTICES_PER_PAGE,
 164                           $this->page,
 165                           'showgroup',
 166                           array('nickname' => $this->group->nickname));
 167     }
 168
 169     /**
 170      * Show the group profile
 171      *
 172      * Information about the group
 173      *
 174      * @return void
 175      */
 176
 177     function showGroupProfile()
 178     {
 179         $this->elementStart('div', array('id' => 'group_profile',
 180                                          'class' => 'vcard author'));
 181
 182         $this->element('h2', null, _('Group profile'));
 183
 184         $this->elementStart('dl', 'group_depiction');
 185         $this->element('dt', null, _('Photo'));
 186         $this->elementStart('dd');
 187
 188         $logo = ($this->group->homepage_logo) ?
 189           $this->group->homepage_logo : User_group::defaultLogo(AVATAR_PROFILE_SIZE);
 190
 191         $this->element('img', array('src' => $logo,
 192                                     'class' => 'photo avatar',
 193                                     'width' => AVATAR_PROFILE_SIZE,
 194                                     'height' => AVATAR_PROFILE_SIZE,
 195                                     'alt' => $this->group->nickname));
 196         $this->elementEnd('dd');
 197         $this->elementEnd('dl');
 198
 199         $this->elementStart('dl', 'group_nickname');
 200         $this->element('dt', null, _('Nickname'));
 201         $this->elementStart('dd');
 202         $hasFN = ($this->group->fullname) ? 'nickname url uid' : 'fn nickname url uid';
 203         $this->element('a', array('href' => $this->group->homeUrl(),
 204                                   'rel' => 'me', 'class' => $hasFN),
 205                             $this->group->nickname);
 206         $this->elementEnd('dd');
 207         $this->elementEnd('dl');
 208
 209         if ($this->group->fullname) {
 210             $this->elementStart('dl', 'group_fn');
 211             $this->element('dt', null, _('Full name'));
 212             $this->elementStart('dd');
 213             $this->element('span', 'fn', $this->group->fullname);
 214             $this->elementEnd('dd');
 215             $this->elementEnd('dl');
 216         }
 217
 218         if ($this->group->location) {
 219             $this->elementStart('dl', 'group_location');
 220             $this->element('dt', null, _('Location'));
 221             $this->element('dd', 'location', $this->group->location);
 222             $this->elementEnd('dl');
 223         }
 224
 225         if ($this->group->homepage) {
 226             $this->elementStart('dl', 'group_url');
 227             $this->element('dt', null, _('URL'));
 228             $this->elementStart('dd');
 229             $this->element('a', array('href' => $this->group->homepage,
 230                                       'rel' => 'me', 'class' => 'url'),
 231                            $this->group->homepage);
 232             $this->elementEnd('dd');
 233             $this->elementEnd('dl');
 234         }
 235
 236         if ($this->group->description) {
 237             $this->elementStart('dl', 'group_note');
 238             $this->element('dt', null, _('Note'));
 239             $this->element('dd', 'note', $this->group->description);
 240             $this->elementEnd('dl');
 241         }
 242
 243         $this->elementEnd('div');
 244
 245         $this->elementStart('div', array('id' => 'group_actions'));
 246         $this->element('h2', null, _('Group actions'));
 247         $this->elementStart('ul');
 248         $this->elementStart('li', array('id' => 'group_subscribe'));
 249         $cur = common_current_user();
 250         if ($cur) {
 251             if ($cur->isMember($this->group)) {
 252                 $lf = new LeaveForm($this, $this->group);
 253                 $lf->show();
 254                 if ($cur->isAdmin($this->group)) {
 255                     $edit = common_local_url('editgroup',
 256                                              array('nickname' => $this->group->nickname));
 257                     $this->element('a',
 258                                    array('href' => $edit,
 259                                          'id' => 'group_admin'),
 260                                    _('Admin'));
 261                 }
 262             } else {
 263                 $jf = new JoinForm($this, $this->group);
 264                 $jf->show();
 265             }
 266         }
 267
 268         $this->elementEnd('li');
 269
 270         $this->elementEnd('ul');
 271         $this->elementEnd('div');
 272     }
 273
 274     /**
 275      * Show a list of links to feeds this page produces
 276      *
 277      * @return void
 278      */
 279
 280     function showExportData()
 281     {
 282         $fl = new FeedList($this);
 283         $fl->show(array(0=>array('href'=>common_local_url('grouprss',
 284                                                           array('nickname' => $this->group->nickname)),
 285                                  'type' => 'rss',
 286                                  'version' => 'RSS 1.0',
 287                                  'item' => 'notices')));
 288     }
 289
 290     /**
 291      * Show a list of links to feeds this page produces
 292      *
 293      * @return void
 294      */
 295
 296     function showFeeds()
 297     {
 298         $url =
 299           common_local_url('grouprss',
 300                            array('nickname' => $this->group->nickname));
 301
 302         $this->element('link', array('rel' => 'alternate',
 303                                      'href' => $url,
 304                                      'type' => 'application/rss+xml',
 305                                      'title' => sprintf(_('Notice feed for %s group'),
 306                                                         $this->group->nickname)));
 307     }
 308 }