actions/tag.php

   1 <?php
   2 /*
   3  * StatusNet - the distributed open-source microblogging tool
   4  * Copyright (C) 2008, 2009, StatusNet, Inc.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 if (!defined('LACONICA')) { exit(1); }
  21
  22 class TagAction extends Action
  23 {
  24
  25     var $notice;
  26
  27     function prepare($args)
  28     {
  29         parent::prepare($args);
  30         $taginput = $this->trimmed('tag');
  31         $this->tag = common_canonical_tag($taginput);
  32
  33         if (!$this->tag) {
  34             common_redirect(common_local_url('publictagcloud'), 301);
  35             return false;
  36         }
  37
  38         if ($this->tag != $taginput) {
  39             common_redirect(common_local_url('tag', array('tag' => $this->tag)),
  40                             301);
  41             return false;
  42         }
  43
  44         $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
  45
  46         common_set_returnto($this->selfUrl());
  47
  48         $this->notice = Notice_tag::getStream($this->tag, (($this->page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
  49
  50         if($this->page > 1 && $this->notice->N == 0){
  51             $this->serverError(_('No such page'),$code=404);
  52         }
  53
  54         return true;
  55     }
  56
  57     function showSections()
  58     {
  59         $pop = new PopularNoticeSection($this);
  60         $pop->show();
  61     }
  62
  63     function title()
  64     {
  65         if ($this->page == 1) {
  66             return sprintf(_("Notices tagged with %s"), $this->tag);
  67         } else {
  68             return sprintf(_("Notices tagged with %s, page %d"),
  69                            $this->tag,
  70                            $this->page);
  71         }
  72     }
  73
  74     function handle($args)
  75     {
  76         parent::handle($args);
  77
  78         $this->showPage();
  79     }
  80
  81     function getFeeds()
  82     {
  83         return array(new Feed(Feed::RSS1,
  84                               common_local_url('tagrss',
  85                                                array('tag' => $this->tag)),
  86                               sprintf(_('Notice feed for tag %s (RSS 1.0)'),
  87                                       $this->tag)),
  88                      new Feed(Feed::RSS2,
  89                               common_local_url('api',
  90                                                array('apiaction' => 'tags',
  91                                                      'method' => 'timeline',
  92                                                      'argument' => $this->tag.'.rss')),
  93                               sprintf(_('Notice feed for %s group (RSS 2.0)'),
  94                                       $this->tag)),
  95                      new Feed(Feed::ATOM,
  96                               common_local_url('api',
  97                                                array('apiaction' => 'tags',
  98                                                      'method' => 'timeline',
  99                                                      'argument' => $this->tag.'.atom')),
 100                               sprintf(_('Notice feed for tag %s (Atom)'),
 101                                       $this->tag)));
 102     }
 103
 104     function showContent()
 105     {
 106         $nl = new NoticeList($this->notice, $this);
 107
 108         $cnt = $nl->show();
 109
 110         $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
 111                           $this->page, 'tag', array('tag' => $this->tag));
 112     }
 113
 114     function isReadOnly($args)
 115     {
 116         return true;
 117     }
 118 }