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 /**
  39  * Group main page
  40  *
  41  * @category Group
  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 $page = null;
  54
  55     /**
  56      * Is this page read-only?
  57      *
  58      * @return boolean true
  59      */
  60
  61     function isReadOnly()
  62     {
  63         return true;
  64     }
  65
  66     /**
  67      * Title of the page
  68      *
  69      * @return string page title, with page number
  70      */
  71
  72     function title()
  73     {
  74         if ($this->page == 1) {
  75             return sprintf(_("%s group"), $this->group->nickname);
  76         } else {
  77             return sprintf(_("%s group, page %d"),
  78                            $this->group->nickname,
  79                            $this->page);
  80         }
  81     }
  82
  83     /**
  84      * Prepare the action
  85      *
  86      * Reads and validates arguments and instantiates the attributes.
  87      *
  88      * @param array $args $_REQUEST args
  89      *
  90      * @return boolean success flag
  91      */
  92
  93     function prepare($args)
  94     {
  95         parent::prepare($args);
  96
  97         if (!common_config('inboxes','enabled')) {
  98             $this->serverError(_('Inboxes must be enabled for groups to work'));
  99             return false;
 100         }
 101
 102         $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
 103
 104         $nickname_arg = $this->arg('nickname');
 105         $nickname = common_canonical_nickname($nickname_arg);
 106
 107         // Permanent redirect on non-canonical nickname
 108
 109         if ($nickname_arg != $nickname) {
 110             $args = array('nickname' => $nickname);
 111             if ($this->page != 1) {
 112                 $args['page'] = $this->page;
 113             }
 114             common_redirect(common_local_url('showgroup', $args), 301);
 115             return false;
 116         }
 117
 118         if (!$nickname) {
 119             $this->clientError(_('No nickname'), 404);
 120             return false;
 121         }
 122
 123         $this->group = User_group::staticGet('nickname', $nickname);
 124
 125         if (!$this->group) {
 126             $this->clientError(_('No such group'), 404);
 127             return false;
 128         }
 129
 130         return true;
 131     }
 132
 133     /**
 134      * Handle the request
 135      *
 136      * Shows a profile for the group, some controls, and a list of
 137      * group notices.
 138      *
 139      * @return void
 140      */
 141
 142     function handle($args)
 143     {
 144         $this->showPage();
 145     }
 146
 147     /**
 148      * Show the page content
 149      *
 150      * Shows a group profile and a list of group notices
 151      */
 152
 153     function showContent()
 154     {
 155         $this->showGroupProfile();
 156         $this->showGroupNotices();
 157     }
 158
 159     /**
 160      * Show the group notices
 161      *
 162      * @return void
 163      */
 164
 165     function showGroupNotices()
 166     {
 167         $notice = $this->group->getNotices(($this->page-1)*NOTICES_PER_PAGE,
 168                                            NOTICES_PER_PAGE + 1);
 169
 170         $nl = new NoticeList($notice, $this);
 171         $cnt = $nl->show();
 172
 173         $this->pagination($this->page > 1,
 174                           $cnt > NOTICES_PER_PAGE,
 175                           $this->page,
 176                           'showgroup',
 177                           array('nickname' => $this->group->nickname));
 178     }
 179
 180     /**
 181      * Show the group profile
 182      *
 183      * Information about the group
 184      *
 185      * @return void
 186      */
 187
 188     function showGroupProfile()
 189     {
 190         $this->elementStart('div', array('id' => 'group_profile',
 191                                          'class' => 'vcard author'));
 192
 193         $this->element('h2', null, _('Group profile'));
 194
 195         $this->elementStart('dl', 'group_depiction');
 196         $this->element('dt', null, _('Photo'));
 197         $this->elementStart('dd');
 198
 199         $logo = ($this->group->homepage_logo) ?
 200           $this->group->homepage_logo : User_group::defaultLogo(AVATAR_PROFILE_SIZE);
 201
 202         $this->element('img', array('src' => $logo,
 203                                     'class' => 'photo avatar',
 204                                     'width' => AVATAR_PROFILE_SIZE,
 205                                     'height' => AVATAR_PROFILE_SIZE,
 206                                     'alt' => $this->group->nickname));
 207         $this->elementEnd('dd');
 208         $this->elementEnd('dl');
 209
 210         $this->elementStart('dl', 'group_nickname');
 211         $this->element('dt', null, _('Nickname'));
 212         $this->elementStart('dd');
 213         $hasFN = ($this->group->fullname) ? 'nickname url uid' : 'fn nickname url uid';
 214         $this->element('a', array('href' => $this->group->homeUrl(),
 215                                   'rel' => 'me', 'class' => $hasFN),
 216                             $this->group->nickname);
 217         $this->elementEnd('dd');
 218         $this->elementEnd('dl');
 219
 220         if ($this->group->fullname) {
 221             $this->elementStart('dl', 'group_fn');
 222             $this->element('dt', null, _('Full name'));
 223             $this->elementStart('dd');
 224             $this->element('span', 'fn', $this->group->fullname);
 225             $this->elementEnd('dd');
 226             $this->elementEnd('dl');
 227         }
 228
 229         if ($this->group->location) {
 230             $this->elementStart('dl', 'group_location');
 231             $this->element('dt', null, _('Location'));
 232             $this->element('dd', 'location', $this->group->location);
 233             $this->elementEnd('dl');
 234         }
 235
 236         if ($this->group->homepage) {
 237             $this->elementStart('dl', 'group_url');
 238             $this->element('dt', null, _('URL'));
 239             $this->elementStart('dd');
 240             $this->element('a', array('href' => $this->group->homepage,
 241                                       'rel' => 'me', 'class' => 'url'),
 242                            $this->group->homepage);
 243             $this->elementEnd('dd');
 244             $this->elementEnd('dl');
 245         }
 246
 247         if ($this->group->description) {
 248             $this->elementStart('dl', 'group_note');
 249             $this->element('dt', null, _('Note'));
 250             $this->element('dd', 'note', $this->group->description);
 251             $this->elementEnd('dl');
 252         }
 253
 254         $this->elementEnd('div');
 255
 256         $this->elementStart('div', array('id' => 'group_actions'));
 257         $this->element('h2', null, _('Group actions'));
 258         $this->elementStart('ul');
 259         $this->elementStart('li', array('id' => 'group_subscribe'));
 260         $cur = common_current_user();
 261         if ($cur) {
 262             if ($cur->isMember($this->group)) {
 263                 $lf = new LeaveForm($this, $this->group);
 264                 $lf->show();
 265                 if ($cur->isAdmin($this->group)) {
 266                     $edit = common_local_url('editgroup',
 267                                              array('nickname' => $this->group->nickname));
 268                     $this->element('a',
 269                                    array('href' => $edit,
 270                                          'id' => 'group_admin'),
 271                                    _('Admin'));
 272                 }
 273             } else {
 274                 $jf = new JoinForm($this, $this->group);
 275                 $jf->show();
 276             }
 277         }
 278
 279         $this->elementEnd('li');
 280
 281         $this->elementEnd('ul');
 282         $this->elementEnd('div');
 283     }
 284
 285     /**
 286      * Show a list of links to feeds this page produces
 287      *
 288      * @return void
 289      */
 290
 291     function showExportData()
 292     {
 293         $fl = new FeedList($this);
 294         $fl->show(array(0=>array('href'=>common_local_url('grouprss',
 295                                                           array('nickname' => $this->group->nickname)),
 296                                  'type' => 'rss',
 297                                  'version' => 'RSS 1.0',
 298                                  'item' => 'notices')));
 299     }
 300
 301     /**
 302      * Show a list of links to feeds this page produces
 303      *
 304      * @return void
 305      */
 306
 307     function showFeeds()
 308     {
 309         $url =
 310           common_local_url('grouprss',
 311                            array('nickname' => $this->group->nickname));
 312
 313         $this->element('link', array('rel' => 'alternate',
 314                                      'href' => $url,
 315                                      'type' => 'application/rss+xml',
 316                                      'title' => sprintf(_('Notice feed for %s group'),
 317                                                         $this->group->nickname)));
 318     }
 319 }