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1 | <?php |
2 | /*************************************************************************** | |
e92ecb8c | 3 | * Copyright (C) 2003-2011 Polytechnique.org * |
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4 | * http://opensource.polytechnique.org/ * |
5 | * * | |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 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 General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the Free Software * | |
18 | * Foundation, Inc., * | |
19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * | |
20 | ***************************************************************************/ | |
21 | ||
22 | /** A feed article. | |
23 | */ | |
24 | class PlFeedArticle | |
25 | { | |
26 | public $id; | |
27 | ||
28 | public $author; | |
29 | public $author_email; | |
30 | ||
31 | public $publication; | |
32 | public $last_modification; | |
33 | ||
34 | public $title; | |
35 | public $link; | |
36 | ||
37 | public $template; | |
38 | ||
39 | public function __construct($tpl, array& $data) | |
40 | { | |
41 | $this->template = $tpl; | |
42 | foreach ($data as $key => $value) { | |
43 | $this->$key = $value; | |
44 | } | |
45 | } | |
46 | } | |
47 | ||
48 | /** An abstract feed. A feed is nothing more than a set of article. | |
49 | */ | |
50 | abstract class PlFeed implements PlIterator | |
51 | { | |
52 | public $title; | |
53 | public $link; | |
54 | public $description; | |
55 | ||
56 | public $img_link; | |
57 | ||
58 | private $article_tpl; | |
59 | private $iterator; | |
60 | ||
61 | public function __construct($title, $link, $desc, $img_link, | |
62 | $article_tpl) { | |
63 | $this->title = $title; | |
64 | $this->link = $link; | |
65 | $this->description = $desc; | |
66 | $this->img_link = $img_link; | |
67 | $this->article_tpl = $article_tpl; | |
68 | } | |
69 | ||
70 | /** Fetch the feed for the given user. | |
71 | */ | |
ed4f7de0 | 72 | abstract protected function fetch(PlUser $user); |
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73 | |
74 | public function next() | |
75 | { | |
76 | $data = $this->iterator->next(); | |
77 | if (!empty($data)) { | |
78 | return new PlFeedArticle($this->article_tpl, $data); | |
79 | } | |
80 | return null; | |
81 | } | |
82 | ||
83 | public function total() | |
84 | { | |
85 | return $this->iterator->total(); | |
86 | } | |
87 | ||
88 | public function first() | |
89 | { | |
90 | return $this->iterator->first(); | |
91 | } | |
92 | ||
93 | public function last() | |
94 | { | |
95 | return $this->iterator->last(); | |
96 | } | |
97 | ||
ed4f7de0 | 98 | public function run(PlPage $page, PlUser $user, $require_auth = true, $type = 'rss2') |
9879250a | 99 | { |
a59a4446 VZ |
100 | if (empty($user) && $require_auth) { |
101 | return PL_FORBIDDEN; | |
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102 | } |
103 | ||
104 | $page->assign('rss_hash', $token); | |
a286fc7a | 105 | pl_content_headers("application/rss+xml"); |
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106 | $this->iterator = $this->fetch($user); |
107 | $page->coreTpl('feed.' . $type . '.tpl', NO_SKIN); | |
108 | $page->assign_by_ref('feed', $this); | |
109 | $page->run(); | |
110 | } | |
111 | } | |
112 | ||
113 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: | |
114 | ?> |