1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
<?php
/**
* ownCloud - News app
*
* @author Alessandro Cosentino
* @copyright 2012 Alessandro Cosentino cosenal@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* This class maps a feed to an entry in the feeds table of the database.
*/
class OC_News_FeedMapper {
const tableName = '*PREFIX*news_feeds';
/**
* @brief Retrieve a feed from the database
* @param id The id of the feed in the database table.
* @returns
*/
public function findById($id){
$stmt = OCP\DB::prepare('SELECT * FROM ' . self::tableName . ' WHERE id = ?');
$result = $stmt->execute(array($id));
$row = $result->fetchRow();
$url = $row['url'];
$title = $row['title'];
$feed = new OC_News_Feed($url, $title, null, $id);
return $feed;
}
/**
* @brief Retrieve a feed and all its items from the database
* @param id The id of the feed in the database table.
* @returns
*/
public function findWithItems($id){
$stmt = OCP\DB::prepare('SELECT * FROM ' . self::tableName . ' WHERE id = ?');
$result = $stmt->execute(array($id));
$row = $result->fetchRow();
$url = $row['url'];
$title = $row['title'];
$feed = new OC_News_Feed($url, $title, null,$id);
$itemMapper = new OC_News_ItemMapper();
$items = $itemMapper->findAll($id);
$feed->setItems($items);
return $feed;
}
/**
* @brief Find the id of a feed and all its items from the database
* @param url url of the feed
* @return id of the feed corresponding to the url passed as parameters
* null - if there is no such feed
*/
public function findIdFromUrl($url){
$stmt = OCP\DB::prepare('SELECT * FROM ' . self::tableName . ' WHERE url = ?');
$result = $stmt->execute(array($url));
$row = $result->fetchRow();
$id = null;
if ($row != null){
$id = $row['id'];
}
return $id;
}
/**
* @brief Save the feed and all its items into the database
* @param feed the feed to be saved
* @returns The id of the feed in the database table.
*/
//TODO: handle error case
public function save(OC_News_Feed $feed, $folderid){
$CONFIG_DBTYPE = OCP\Config::getSystemValue( "dbtype", "sqlite" );
if( $CONFIG_DBTYPE == 'sqlite' or $CONFIG_DBTYPE == 'sqlite3' ){
$_ut = "strftime('%s','now')";
} elseif($CONFIG_DBTYPE == 'pgsql') {
$_ut = 'date_part(\'epoch\',now())::integer';
} else {
$_ut = "UNIX_TIMESTAMP()";
}
$title = $feed->getTitle();
$url = htmlspecialchars_decode($feed->getUrl());
if(empty($title)) {
$l = OC_L10N::get('news');
$title = $l->t('no title');
}
//FIXME: Detect when feed contains already a database id
$feedid = $this->findIdFromUrl($url);
if ($feedid == null){
$query = OCP\DB::prepare('
INSERT INTO ' . self::tableName .
'(url, title, folder_id, added, lastmodified)
VALUES (?, ?, ?, ?, ?)
');
$params=array(
$url,
htmlspecialchars_decode($title),
$folderid,
$_ut,
$_ut
);
$query->execute($params);
$feedid = OCP\DB::insertid(self::tableName);
}
$feed->setId($feedid);
$itemMapper = new OC_News_ItemMapper();
$items = $feed->getItems();
foreach($items as $item){
$itemMapper->save($item, $feedid);
}
return $feedid;
}
public function delete(OC_News_Feed $feed){
$id = $feed->getId();
$stmt = OCP\DB::prepare("
DELETE FROM " . self::tableName .
"WHERE id = $id
");
$result = $stmt->execute();
$itemMapper = new OC_News_ItemMapper();
//TODO: handle the value that the execute returns
$itemMapper->deleteAll($id);
return true;
}
}
|
