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', array('id' => 'group_profile',
 205                                          'class' => 'vcard author'));
 206
 207         $this->element('h2', null, _('Group profile'));
 208
 209         $this->elementStart('dl', 'group_depiction');
 210         $this->element('dt', null, _('Photo'));
 211         $this->elementStart('dd');
 212
 213         $logo = ($this->group->homepage_logo) ?
 214           $this->group->homepage_logo : User_group::defaultLogo(AVATAR_PROFILE_SIZE);
 215
 216         $this->element('img', array('src' => $logo,
 217                                     'class' => 'photo avatar',
 218                                     'width' => AVATAR_PROFILE_SIZE,
 219                                     'height' => AVATAR_PROFILE_SIZE,
 220                                     'alt' => $this->group->nickname));
 221         $this->elementEnd('dd');
 222         $this->elementEnd('dl');
 223
 224         $this->elementStart('dl', 'group_nickname');
 225         $this->element('dt', null, _('Nickname'));
 226         $this->elementStart('dd');
 227         $hasFN = ($this->group->fullname) ? 'nickname url uid' : 'fn nickname url uid';
 228         $this->element('a', array('href' => $this->group->homeUrl(),
 229                                   'rel' => 'me', 'class' => $hasFN),
 230                             $this->group->nickname);
 231         $this->elementEnd('dd');
 232         $this->elementEnd('dl');
 233
 234         if ($this->group->fullname) {
 235             $this->elementStart('dl', 'group_fn');
 236             $this->element('dt', null, _('Full name'));
 237             $this->elementStart('dd');
 238             $this->element('span', 'fn', $this->group->fullname);
 239             $this->elementEnd('dd');
 240             $this->elementEnd('dl');
 241         }
 242
 243         if ($this->group->location) {
 244             $this->elementStart('dl', 'group_location');
 245             $this->element('dt', null, _('Location'));
 246             $this->element('dd', 'location', $this->group->location);
 247             $this->elementEnd('dl');
 248         }
 249
 250         if ($this->group->homepage) {
 251             $this->elementStart('dl', 'group_url');
 252             $this->element('dt', null, _('URL'));
 253             $this->elementStart('dd');
 254             $this->element('a', array('href' => $this->group->homepage,
 255                                       'rel' => 'me', 'class' => 'url'),
 256                            $this->group->homepage);
 257             $this->elementEnd('dd');
 258             $this->elementEnd('dl');
 259         }
 260
 261         if ($this->group->description) {
 262             $this->elementStart('dl', 'group_note');
 263             $this->element('dt', null, _('Note'));
 264             $this->element('dd', 'note', $this->group->description);
 265             $this->elementEnd('dl');
 266         }
 267
 268         $this->elementEnd('div');
 269
 270         $this->elementStart('div', array('id' => 'group_actions'));
 271         $this->element('h2', null, _('Group actions'));
 272         $this->elementStart('ul');
 273         $this->elementStart('li', array('id' => 'group_subscribe'));
 274         $cur = common_current_user();
 275         if ($cur) {
 276             if ($cur->isMember($this->group)) {
 277                 $lf = new LeaveForm($this, $this->group);
 278                 $lf->show();
 279             } else {
 280                 $jf = new JoinForm($this, $this->group);
 281                 $jf->show();
 282             }
 283         }
 284
 285         $this->elementEnd('li');
 286
 287         $this->elementEnd('ul');
 288         $this->elementEnd('div');
 289     }
 290
 291     /**
 292      * Show a list of links to feeds this page produces
 293      *
 294      * @return void
 295      */
 296
 297     function showExportData()
 298     {
 299         $fl = new FeedList($this);
 300         $fl->show(array(0=>array('href'=>common_local_url('grouprss',
 301                                                           array('nickname' => $this->group->nickname)),
 302                                  'type' => 'rss',
 303                                  'version' => 'RSS 1.0',
 304                                  'item' => 'notices')));
 305     }
 306
 307     /**
 308      * Show a list of links to feeds this page produces
 309      *
 310      * @return void
 311      */
 312
 313     function showFeeds()
 314     {
 315         $url =
 316           common_local_url('grouprss',
 317                            array('nickname' => $this->group->nickname));
 318
 319         $this->element('link', array('rel' => 'alternate',
 320                                      'href' => $url,
 321                                      'type' => 'application/rss+xml',
 322                                      'title' => sprintf(_('Notice feed for %s group'),
 323                                                         $this->group->nickname)));
 324     }
 325
 326     /**
 327      * Fill in the sidebar.
 328      *
 329      * @return void
 330      */
 331
 332     function showSections()
 333     {
 334         $this->showMembers();
 335     }
 336
 337     /**
 338      * Show mini-list of members
 339      *
 340      * @return void
 341      */
 342
 343     function showMembers()
 344     {
 345         $member = $this->group->getMembers(0, MEMBERS_PER_SECTION);
 346
 347         if (!$member) {
 348             return;
 349         }
 350
 351         $this->elementStart('div', array('id' => 'user_subscriptions',
 352                                          'class' => 'section'));
 353
 354         $this->element('h2', null, _('Members'));
 355
 356         if ($member) {
 357             $pml = new ProfileMiniList($member, null, $this);
 358             $cnt = $pml->show();
 359             if ($cnt == 0) {
 360                 $this->element('p', null, _('(None)'));
 361             }
 362         }
 363
 364         if ($cnt == MEMBERS_PER_SECTION) {
 365             $this->element('a', array('href' => common_local_url('groupmembers',
 366                                                                  array('nickname' => $this->group->nickname))),
 367                            _('All members'));
 368         }
 369     }
 370 }