actions/public.php

   1 <?php
   2 /*
   3  * Laconica - a distributed open-source microblogging tool
   4  * Copyright (C) 2008, Controlez-Vous, 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 require_once(INSTALLDIR.'/lib/stream.php');
  23
  24 class PublicAction extends StreamAction {
  25
  26         function handle($args) {
  27                 parent::handle($args);
  28
  29                 $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
  30
  31                 header('X-XRDS-Location: '. common_local_url('publicxrds'));
  32
  33                 common_show_header(_('Public timeline'),
  34                                                    array($this, 'show_header'), NULL,
  35                                                    array($this, 'show_top'));
  36
  37                 # XXX: Public sidebar here?
  38
  39                 $this->show_notices($page);
  40
  41                 common_show_footer();
  42         }
  43
  44         function show_top() {
  45                 if (common_logged_in()) {
  46                         common_notice_form('public');
  47                 } else {
  48                         $instr = $this->get_instructions();
  49                         $output = common_markup_to_html($instr);
  50                         common_element_start('div', 'instructions');
  51                         common_raw($output);
  52                         common_element_end('div');
  53                 }
  54
  55                 $this->public_views_menu();
  56
  57                 $this->show_feeds_list(array(0=>array('href'=>common_local_url('publicrss'),
  58                                                                                           'type' => 'rss',
  59                                                                                           'version' => 'RSS 1.0',
  60                                                                                           'item' => 'publicrss'),
  61                                                                          1=>array('href'=>common_local_url('publicatom'),
  62                                                                                           'type' => 'atom',
  63                                                                                           'version' => 'Atom 1.0',
  64                                                                                           'item' => 'publicatom')));
  65         }
  66
  67         function get_instructions() {
  68                 return _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
  69                                  'based on the Free Software [Laconica](http://laconi.ca/) tool. ' .
  70                                  '[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ([Read more](%%doc.help%%))');
  71         }
  72
  73         function show_header() {
  74                 common_element('link', array('rel' => 'alternate',
  75                                                                          'href' => common_local_url('publicrss'),
  76                                                                          'type' => 'application/rss+xml',
  77                                                                          'title' => _('Public Stream Feed')));
  78                 # for client side of OpenID authentication
  79                 common_element('meta', array('http-equiv' => 'X-XRDS-Location',
  80                                                                          'content' => common_local_url('publicxrds')));
  81         }
  82
  83         function show_notices($page) {
  84
  85                 $cnt = 0;
  86                 $notice = Notice::publicStream(($page-1)*NOTICES_PER_PAGE,
  87                                                                            NOTICES_PER_PAGE + 1);
  88
  89                 if (!$notice) {
  90             $this->server_error(_('Could not retrieve public stream.'));
  91             return;
  92                 }
  93
  94         $cnt = $this->show_notice_list($notice);
  95
  96                 common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,
  97                                                   $page, 'public');
  98         }
  99 }