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
157
158
159
160
161
162
163
164
165
|
<?php
namespace dokuwiki;
/**
* Class Draft
*
* @package dokuwiki
*/
class Draft
{
protected $errors = [];
protected $cname;
protected $id;
protected $client;
/**
* Draft constructor.
*
* @param string $ID the page id for this draft
* @param string $client the client identification (username or ip or similar) for this draft
*/
public function __construct($ID, $client)
{
$this->id = $ID;
$this->client = $client;
$this->cname = getCacheName("$client\n$ID", '.draft');
if(file_exists($this->cname) && file_exists(wikiFN($ID))) {
if (filemtime($this->cname) < filemtime(wikiFN($ID))) {
// remove stale draft
$this->deleteDraft();
}
}
}
/**
* Get the filename for this draft (whether or not it exists)
*
* @return string
*/
public function getDraftFilename()
{
return $this->cname;
}
/**
* Checks if this draft exists on the filesystem
*
* @return bool
*/
public function isDraftAvailable()
{
return file_exists($this->cname);
}
/**
* Save a draft of a current edit session
*
* The draft will not be saved if
* - drafts are deactivated in the config
* - or the editarea is empty and there are no event handlers registered
* - or the event is prevented
*
* @triggers DRAFT_SAVE
*
* @return bool whether has the draft been saved
*/
public function saveDraft()
{
global $INPUT, $INFO, $EVENT_HANDLER, $conf;
if (!$conf['usedraft']) {
return false;
}
if (!$INPUT->post->has('wikitext') &&
!$EVENT_HANDLER->hasHandlerForEvent('DRAFT_SAVE')) {
return false;
}
$draft = [
'id' => $this->id,
'prefix' => substr($INPUT->post->str('prefix'), 0, -1),
'text' => $INPUT->post->str('wikitext'),
'suffix' => $INPUT->post->str('suffix'),
'date' => $INPUT->post->int('date'),
'client' => $this->client,
'cname' => $this->cname,
'errors' => [],
];
$event = new Extension\Event('DRAFT_SAVE', $draft);
if ($event->advise_before()) {
$draft['hasBeenSaved'] = io_saveFile($draft['cname'], serialize($draft));
if ($draft['hasBeenSaved']) {
$INFO['draft'] = $draft['cname'];
}
} else {
$draft['hasBeenSaved'] = false;
}
$event->advise_after();
$this->errors = $draft['errors'];
return $draft['hasBeenSaved'];
}
/**
* Get the text from the draft file
*
* @throws \RuntimeException if the draft file doesn't exist
*
* @return string
*/
public function getDraftText()
{
if (!file_exists($this->cname)) {
throw new \RuntimeException(
"Draft for page $this->id and user $this->client doesn't exist at $this->cname."
);
}
$draft = unserialize(io_readFile($this->cname,false));
return cleanText(con($draft['prefix'],$draft['text'],$draft['suffix'],true));
}
/**
* Remove the draft from the filesystem
*
* Also sets $INFO['draft'] to null
*/
public function deleteDraft()
{
global $INFO;
@unlink($this->cname);
$INFO['draft'] = null;
}
/**
* Get a formatted message stating when the draft was saved
*
* @return string
*/
public function getDraftMessage()
{
global $lang;
return $lang['draftdate'] . ' ' . dformat(filemtime($this->cname));
}
/**
* Retrieve the errors that occured when saving the draft
*
* @return array
*/
public function getErrors()
{
return $this->errors;
}
/**
* Get the timestamp when this draft was saved
*
* @return int
*/
public function getDraftDate()
{
return filemtime($this->cname);
}
}
|
