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
|
<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\DAV\Connector\Sabre;
use OCP\Comments\ICommentsManager;
use OCP\IUserSession;
use Sabre\DAV\PropFind;
use Sabre\DAV\ServerPlugin;
class CommentPropertiesPlugin extends ServerPlugin {
const PROPERTY_NAME_HREF = '{http://owncloud.org/ns}comments-href';
const PROPERTY_NAME_COUNT = '{http://owncloud.org/ns}comments-count';
const PROPERTY_NAME_UNREAD = '{http://owncloud.org/ns}comments-unread';
/** @var \Sabre\DAV\Server */
protected $server;
/** @var ICommentsManager */
private $commentsManager;
/** @var IUserSession */
private $userSession;
public function __construct(ICommentsManager $commentsManager, IUserSession $userSession) {
$this->commentsManager = $commentsManager;
$this->userSession = $userSession;
}
/**
* This initializes the plugin.
*
* This function is called by Sabre\DAV\Server, after
* addPlugin is called.
*
* This method should set up the required event subscriptions.
*
* @param \Sabre\DAV\Server $server
* @return void
*/
function initialize(\Sabre\DAV\Server $server) {
$this->server = $server;
$this->server->on('propFind', array($this, 'handleGetProperties'));
}
/**
* Adds tags and favorites properties to the response,
* if requested.
*
* @param PropFind $propFind
* @param \Sabre\DAV\INode $node
* @return void
*/
public function handleGetProperties(
PropFind $propFind,
\Sabre\DAV\INode $node
) {
if (!($node instanceof File) && !($node instanceof Directory)) {
return;
}
$propFind->handle(self::PROPERTY_NAME_COUNT, function() use ($node) {
return $this->commentsManager->getNumberOfCommentsForObject('files', strval($node->getId()));
});
$propFind->handle(self::PROPERTY_NAME_HREF, function() use ($node) {
return $this->getCommentsLink($node);
});
$propFind->handle(self::PROPERTY_NAME_UNREAD, function() use ($node) {
return $this->getUnreadCount($node);
});
}
/**
* returns a reference to the comments node
*
* @param Node $node
* @return mixed|string
*/
public function getCommentsLink(Node $node) {
$href = $this->server->getBaseUri();
$entryPoint = strpos($href, '/remote.php/');
if($entryPoint === false) {
// in case we end up somewhere else, unexpectedly.
return null;
}
$commentsPart = 'dav/comments/files/' . rawurldecode($node->getId());
$href = substr_replace($href, $commentsPart, $entryPoint + strlen('/remote.php/'));
return $href;
}
/**
* returns the number of unread comments for the currently logged in user
* on the given file or directory node
*
* @param Node $node
* @return Int|null
*/
public function getUnreadCount(Node $node) {
$user = $this->userSession->getUser();
if(is_null($user)) {
return null;
}
$lastRead = $this->commentsManager->getReadMark('files', strval($node->getId()), $user);
return $this->commentsManager->getNumberOfCommentsForObject('files', strval($node->getId()), $lastRead);
}
}
|
