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     function showLocalNav()
 150     {
 151         $nav = new GroupNav($this, $this->group);
 152         $nav->show();
 153     }
 154
 155     /**
 156      * Show the page content
 157      *
 158      * Shows a group profile and a list of group notices
 159      */
 160
 161     function showContent()
 162     {
 163         $this->showGroupProfile();
 164         $this->showGroupNotices();
 165     }
 166
 167     /**
 168      * Show the group notices
 169      *
 170      * @return void
 171      */
 172
 173     function showGroupNotices()
 174     {
 175         $notice = $this->group->getNotices(($this->page-1)*NOTICES_PER_PAGE,
 176                                            NOTICES_PER_PAGE + 1);
 177
 178         $nl = new NoticeList($notice, $this);
 179         $cnt = $nl->show();
 180
 181         $this->pagination($this->page > 1,
 182                           $cnt > NOTICES_PER_PAGE,
 183                           $this->page,
 184                           'showgroup',
 185                           array('nickname' => $this->group->nickname));
 186     }
 187
 188     /**
 189      * Show the group profile
 190      *
 191      * Information about the group
 192      *
 193      * @return void
 194      */
 195
 196     function showGroupProfile()
 197     {
 198         $this->elementStart('div', array('id' => 'group_profile',
 199                                          'class' => 'vcard author'));
 200
 201         $this->element('h2', null, _('Group profile'));
 202
 203         $this->elementStart('dl', 'group_depiction');
 204         $this->element('dt', null, _('Photo'));
 205         $this->elementStart('dd');
 206
 207         $logo = ($this->group->homepage_logo) ?
 208           $this->group->homepage_logo : User_group::defaultLogo(AVATAR_PROFILE_SIZE);
 209
 210         $this->element('img', array('src' => $logo,
 211                                     'class' => 'photo avatar',
 212                                     'width' => AVATAR_PROFILE_SIZE,
 213                                     'height' => AVATAR_PROFILE_SIZE,
 214                                     'alt' => $this->group->nickname));
 215         $this->elementEnd('dd');
 216         $this->elementEnd('dl');
 217
 218         $this->elementStart('dl', 'group_nickname');
 219         $this->element('dt', null, _('Nickname'));
 220         $this->elementStart('dd');
 221         $hasFN = ($this->group->fullname) ? 'nickname url uid' : 'fn nickname url uid';
 222         $this->element('a', array('href' => $this->group->homeUrl(),
 223                                   'rel' => 'me', 'class' => $hasFN),
 224                             $this->group->nickname);
 225         $this->elementEnd('dd');
 226         $this->elementEnd('dl');
 227
 228         if ($this->group->fullname) {
 229             $this->elementStart('dl', 'group_fn');
 230             $this->element('dt', null, _('Full name'));
 231             $this->elementStart('dd');
 232             $this->element('span', 'fn', $this->group->fullname);
 233             $this->elementEnd('dd');
 234             $this->elementEnd('dl');
 235         }
 236
 237         if ($this->group->location) {
 238             $this->elementStart('dl', 'group_location');
 239             $this->element('dt', null, _('Location'));
 240             $this->element('dd', 'location', $this->group->location);
 241             $this->elementEnd('dl');
 242         }
 243
 244         if ($this->group->homepage) {
 245             $this->elementStart('dl', 'group_url');
 246             $this->element('dt', null, _('URL'));
 247             $this->elementStart('dd');
 248             $this->element('a', array('href' => $this->group->homepage,
 249                                       'rel' => 'me', 'class' => 'url'),
 250                            $this->group->homepage);
 251             $this->elementEnd('dd');
 252             $this->elementEnd('dl');
 253         }
 254
 255         if ($this->group->description) {
 256             $this->elementStart('dl', 'group_note');
 257             $this->element('dt', null, _('Note'));
 258             $this->element('dd', 'note', $this->group->description);
 259             $this->elementEnd('dl');
 260         }
 261
 262         $this->elementEnd('div');
 263
 264         $this->elementStart('div', array('id' => 'group_actions'));
 265         $this->element('h2', null, _('Group actions'));
 266         $this->elementStart('ul');
 267         $this->elementStart('li', array('id' => 'group_subscribe'));
 268         $cur = common_current_user();
 269         if ($cur) {
 270             if ($cur->isMember($this->group)) {
 271                 $lf = new LeaveForm($this, $this->group);
 272                 $lf->show();
 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
 320     /**
 321      * Fill in the sidebar.
 322      *
 323      * @return void
 324      */
 325
 326     function showSections()
 327     {
 328         $this->showMembers();
 329     }
 330
 331     /**
 332      * Show mini-list of members
 333      *
 334      * @return void
 335      */
 336
 337     function showMembers()
 338     {
 339         $member = $this->group->getMembers(0, MEMBERS_PER_SECTION);
 340
 341         if (!$member) {
 342             return;
 343         }
 344
 345         $this->elementStart('div', array('id' => 'user_subscriptions',
 346                                          'class' => 'section'));
 347
 348         $this->element('h2', null, _('Members'));
 349
 350         if ($member) {
 351             $pml = new ProfileMiniList($member, null, $this);
 352             $cnt = $pml->show();
 353             if ($cnt == 0) {
 354                 $this->element('p', null, _('(None)'));
 355             }
 356         }
 357
 358         if ($cnt == MEMBERS_PER_SECTION) {
 359             $this->element('a', array('href' => common_local_url('groupmembers',
 360                                                                  array('nickname' => $this->group->nickname))),
 361                            _('All members'));
 362         }
 363     }
 364 }