actions/showgroup.php

   1 <?php
   2 /**
   3  * StatusNet, 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   StatusNet
  24  * @author    Evan Prodromou <evan@status.net>
  25  * @author    Sarven Capadisli <csarven@status.net>
  26  * @copyright 2008-2009 StatusNet, Inc.
  27  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  28  * @link      http://status.net/
  29  */
  30
  31 if (!defined('STATUSNET') && !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', 27);
  39
  40 /**
  41  * Group main page
  42  *
  43  * @category Group
  44  * @package  StatusNet
  45  * @author   Evan Prodromou <evan@status.net>
  46  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  47  * @link     http://status.net/
  48  */
  49
  50 class ShowgroupAction extends GroupDesignAction
  51 {
  52
  53     /** page we're viewing. */
  54     var $page = null;
  55
  56     /**
  57      * Is this page read-only?
  58      *
  59      * @return boolean true
  60      */
  61
  62     function isReadOnly($args)
  63     {
  64         return true;
  65     }
  66
  67     /**
  68      * Title of the page
  69      *
  70      * @return string page title, with page number
  71      */
  72
  73     function title()
  74     {
  75         if (!empty($this->group->fullname)) {
  76             $base = $this->group->fullname . ' (' . $this->group->nickname . ')';
  77         } else {
  78             $base = $this->group->nickname;
  79         }
  80
  81         if ($this->page == 1) {
  82             return sprintf(_("%s group"), $base);
  83         } else {
  84             return sprintf(_("%s group, page %d"),
  85                            $base,
  86                            $this->page);
  87         }
  88     }
  89
  90     /**
  91      * Prepare the action
  92      *
  93      * Reads and validates arguments and instantiates the attributes.
  94      *
  95      * @param array $args $_REQUEST args
  96      *
  97      * @return boolean success flag
  98      */
  99
 100     function prepare($args)
 101     {
 102         parent::prepare($args);
 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             $alias = Group_alias::staticGet('alias', $nickname);
 129             if ($alias) {
 130                 $args = array('id' => $alias->group_id);
 131                 if ($this->page != 1) {
 132                     $args['page'] = $this->page;
 133                 }
 134                 common_redirect(common_local_url('groupbyid', $args), 301);
 135                 return false;
 136             } else {
 137                 $this->clientError(_('No such group'), 404);
 138                 return false;
 139             }
 140         }
 141
 142         common_set_returnto($this->selfUrl());
 143
 144         return true;
 145     }
 146
 147     /**
 148      * Handle the request
 149      *
 150      * Shows a profile for the group, some controls, and a list of
 151      * group notices.
 152      *
 153      * @return void
 154      */
 155
 156     function handle($args)
 157     {
 158         $this->showPage();
 159     }
 160
 161     /**
 162      * Local menu
 163      *
 164      * @return void
 165      */
 166
 167     function showLocalNav()
 168     {
 169         $nav = new GroupNav($this, $this->group);
 170         $nav->show();
 171     }
 172
 173     /**
 174      * Show the page content
 175      *
 176      * Shows a group profile and a list of group notices
 177      */
 178
 179     function showContent()
 180     {
 181         $this->showGroupProfile();
 182         $this->showGroupNotices();
 183     }
 184
 185     /**
 186      * Show the group notices
 187      *
 188      * @return void
 189      */
 190
 191     function showGroupNotices()
 192     {
 193         $notice = $this->group->getNotices(($this->page-1)*NOTICES_PER_PAGE,
 194                                            NOTICES_PER_PAGE + 1);
 195
 196         $nl = new NoticeList($notice, $this);
 197         $cnt = $nl->show();
 198
 199         $this->pagination($this->page > 1,
 200                           $cnt > NOTICES_PER_PAGE,
 201                           $this->page,
 202                           'showgroup',
 203                           array('nickname' => $this->group->nickname));
 204     }
 205
 206     /**
 207      * Show the group profile
 208      *
 209      * Information about the group
 210      *
 211      * @return void
 212      */
 213
 214     function showGroupProfile()
 215     {
 216         $this->elementStart('div', 'entity_profile vcard author');
 217
 218         $this->element('h2', null, _('Group profile'));
 219
 220         $this->elementStart('dl', 'entity_depiction');
 221         $this->element('dt', null, _('Avatar'));
 222         $this->elementStart('dd');
 223
 224         $logo = ($this->group->homepage_logo) ?
 225           $this->group->homepage_logo : User_group::defaultLogo(AVATAR_PROFILE_SIZE);
 226
 227         $this->element('img', array('src' => $logo,
 228                                     'class' => 'photo avatar',
 229                                     'width' => AVATAR_PROFILE_SIZE,
 230                                     'height' => AVATAR_PROFILE_SIZE,
 231                                     'alt' => $this->group->nickname));
 232         $this->elementEnd('dd');
 233         $this->elementEnd('dl');
 234
 235         $this->elementStart('dl', 'entity_nickname');
 236         $this->element('dt', null, _('Nickname'));
 237         $this->elementStart('dd');
 238         $hasFN = ($this->group->fullname) ? 'nickname url uid' : 'fn org nickname url uid';
 239         $this->element('a', array('href' => $this->group->homeUrl(),
 240                                   'rel' => 'me', 'class' => $hasFN),
 241                             $this->group->nickname);
 242         $this->elementEnd('dd');
 243         $this->elementEnd('dl');
 244
 245         if ($this->group->fullname) {
 246             $this->elementStart('dl', 'entity_fn');
 247             $this->element('dt', null, _('Full name'));
 248             $this->elementStart('dd');
 249             $this->element('span', 'fn org', $this->group->fullname);
 250             $this->elementEnd('dd');
 251             $this->elementEnd('dl');
 252         }
 253
 254         if ($this->group->location) {
 255             $this->elementStart('dl', 'entity_location');
 256             $this->element('dt', null, _('Location'));
 257             $this->element('dd', 'label', $this->group->location);
 258             $this->elementEnd('dl');
 259         }
 260
 261         if ($this->group->homepage) {
 262             $this->elementStart('dl', 'entity_url');
 263             $this->element('dt', null, _('URL'));
 264             $this->elementStart('dd');
 265             $this->element('a', array('href' => $this->group->homepage,
 266                                       'rel' => 'me', 'class' => 'url'),
 267                            $this->group->homepage);
 268             $this->elementEnd('dd');
 269             $this->elementEnd('dl');
 270         }
 271
 272         if ($this->group->description) {
 273             $this->elementStart('dl', 'entity_note');
 274             $this->element('dt', null, _('Note'));
 275             $this->element('dd', 'note', $this->group->description);
 276             $this->elementEnd('dl');
 277         }
 278
 279         if (common_config('group', 'maxaliases') > 0) {
 280             $aliases = $this->group->getAliases();
 281
 282             if (!empty($aliases)) {
 283                 $this->elementStart('dl', 'entity_aliases');
 284                 $this->element('dt', null, _('Aliases'));
 285                 $this->element('dd', 'aliases', implode(' ', $aliases));
 286                 $this->elementEnd('dl');
 287             }
 288         }
 289
 290         $this->elementEnd('div');
 291
 292         $this->elementStart('div', 'entity_actions');
 293         $this->element('h2', null, _('Group actions'));
 294         $this->elementStart('ul');
 295         $this->elementStart('li', 'entity_subscribe');
 296         $cur = common_current_user();
 297         if ($cur) {
 298             if ($cur->isMember($this->group)) {
 299                 $lf = new LeaveForm($this, $this->group);
 300                 $lf->show();
 301             } else if (!Group_block::isBlocked($this->group, $cur->getProfile())) {
 302                 $jf = new JoinForm($this, $this->group);
 303                 $jf->show();
 304             }
 305         }
 306
 307         $this->elementEnd('li');
 308
 309         $this->elementEnd('ul');
 310         $this->elementEnd('div');
 311     }
 312
 313     /**
 314      * Get a list of the feeds for this page
 315      *
 316      * @return void
 317      */
 318
 319     function getFeeds()
 320     {
 321         $url =
 322           common_local_url('grouprss',
 323                            array('nickname' => $this->group->nickname));
 324
 325         return array(new Feed(Feed::RSS1,
 326                               common_local_url('grouprss',
 327                                                array('nickname' => $this->group->nickname)),
 328                               sprintf(_('Notice feed for %s group (RSS 1.0)'),
 329                                       $this->group->nickname)),
 330                      new Feed(Feed::RSS2,
 331                               common_local_url('ApiTimelineGroup',
 332                                                array('format' => 'rss',
 333                                                      'id' => $this->group->nickname)),
 334                               sprintf(_('Notice feed for %s group (RSS 2.0)'),
 335                                       $this->group->nickname)),
 336                      new Feed(Feed::ATOM,
 337                               common_local_url('ApiTimelineGroup',
 338                                                array('format' => 'atom',
 339                                                      'id' => $this->group->nickname)),
 340                               sprintf(_('Notice feed for %s group (Atom)'),
 341                                       $this->group->nickname)),
 342                      new Feed(Feed::FOAF,
 343                               common_local_url('foafgroup',
 344                                                array('nickname' => $this->group->nickname)),
 345                               sprintf(_('FOAF for %s group'),
 346                                        $this->group->nickname)));
 347     }
 348
 349     /**
 350      * Fill in the sidebar.
 351      *
 352      * @return void
 353      */
 354
 355     function showSections()
 356     {
 357         $this->showMembers();
 358         $this->showStatistics();
 359         $this->showAdmins();
 360         $cloud = new GroupTagCloudSection($this, $this->group);
 361         $cloud->show();
 362     }
 363
 364     /**
 365      * Show mini-list of members
 366      *
 367      * @return void
 368      */
 369
 370     function showMembers()
 371     {
 372         $member = $this->group->getMembers(0, MEMBERS_PER_SECTION);
 373
 374         if (!$member) {
 375             return;
 376         }
 377
 378         $this->elementStart('div', array('id' => 'entity_members',
 379                                          'class' => 'section'));
 380
 381         $this->element('h2', null, _('Members'));
 382
 383         $pml = new ProfileMiniList($member, $this);
 384         $cnt = $pml->show();
 385         if ($cnt == 0) {
 386              $this->element('p', null, _('(None)'));
 387         }
 388
 389         if ($cnt > MEMBERS_PER_SECTION) {
 390             $this->element('a', array('href' => common_local_url('groupmembers',
 391                                                                  array('nickname' => $this->group->nickname))),
 392                            _('All members'));
 393         }
 394
 395         $this->elementEnd('div');
 396     }
 397
 398     /**
 399      * Show list of admins
 400      *
 401      * @return void
 402      */
 403
 404     function showAdmins()
 405     {
 406         $adminSection = new GroupAdminSection($this, $this->group);
 407         $adminSection->show();
 408     }
 409
 410     /**
 411      * Show some statistics
 412      *
 413      * @return void
 414      */
 415
 416     function showStatistics()
 417     {
 418         // XXX: WORM cache this
 419         $members = $this->group->getMembers();
 420         $members_count = 0;
 421         /** $member->count() doesn't work. */
 422         while ($members->fetch()) {
 423             $members_count++;
 424         }
 425
 426         $this->elementStart('div', array('id' => 'entity_statistics',
 427                                          'class' => 'section'));
 428
 429         $this->element('h2', null, _('Statistics'));
 430
 431         $this->elementStart('dl', 'entity_created');
 432         $this->element('dt', null, _('Created'));
 433         $this->element('dd', null, date('j M Y',
 434                                                  strtotime($this->group->created)));
 435         $this->elementEnd('dl');
 436
 437         $this->elementStart('dl', 'entity_members');
 438         $this->element('dt', null, _('Members'));
 439         $this->element('dd', null, (is_int($members_count)) ? $members_count : '0');
 440         $this->elementEnd('dl');
 441
 442         $this->elementEnd('div');
 443     }
 444
 445     function showAnonymousMessage()
 446     {
 447         if (!(common_config('site','closed') || common_config('site','inviteonly'))) {
 448             $m = sprintf(_('**%s** is a user group on %%%%site.name%%%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
 449                 'based on the Free Software [StatusNet](http://status.net/) tool. Its members share ' .
 450                 'short messages about their life and interests. '.
 451                 '[Join now](%%%%action.register%%%%) to become part of this group and many more! ([Read more](%%%%doc.help%%%%))'),
 452                      $this->group->nickname);
 453         } else {
 454             $m = sprintf(_('**%s** is a user group on %%%%site.name%%%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
 455                 'based on the Free Software [StatusNet](http://status.net/) tool. Its members share ' .
 456                 'short messages about their life and interests. '),
 457                      $this->group->nickname);
 458         }
 459         $this->elementStart('div', array('id' => 'anon_notice'));
 460         $this->raw(common_markup_to_html($m));
 461         $this->elementEnd('div');
 462     }
 463 }
 464
 465 class GroupAdminSection extends ProfileSection
 466 {
 467     var $group;
 468
 469     function __construct($out, $group)
 470     {
 471         parent::__construct($out);
 472         $this->group = $group;
 473     }
 474
 475     function getProfiles()
 476     {
 477         return $this->group->getAdmins();
 478     }
 479
 480     function title()
 481     {
 482         return _('Admins');
 483     }
 484
 485     function divId()
 486     {
 487         return 'group_admins';
 488     }
 489
 490     function moreUrl()
 491     {
 492         return null;
 493     }
 494 }