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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
<?PHP //$Id: backuplib.php,v 1.6 2006/01/13 03:45:30 mjollnir_ Exp $
//This php script contains all the stuff to backup/restore
//wiki mods
//This is the "graphical" structure of the wiki mod:
//
// wiki
// (CL,pk->id)
//
// wiki_entries
// (pk->id, fk->wikiid)
//
// wiki_pages
// (pk->pagename,version,wiki, fk->wiki)
//
// Meaning: pk->primary key field of the table
// fk->foreign key to link with parent
// nt->nested field (recursive data)
// CL->course level info
// UL->user level info
// files->table may have files)
//
//-----------------------------------------------------------
//This function executes all the backup procedure about this mod
function wiki_backup_mods($bf,$preferences) {
global $CFG;
$status = true;
////Iterate over wiki table
if ($wikis = get_records ("wiki","course", $preferences->backup_course,"id")) {
foreach ($wikis as $wiki) {
if (backup_mod_selected($preferences,'wiki',$wiki->id)) {
wiki_backup_one_mod($bf,$preferences,$wiki);
}
}
}
return $status;
}
function wiki_backup_one_mod($bf,$preferences,$wiki) {
$status = true;
if (is_numeric($wiki)) {
$wiki = get_record('wiki','id',$wiki);
}
//Start mod
fwrite ($bf,start_tag("MOD",3,true));
//Print assignment data
fwrite ($bf,full_tag("ID",4,false,$wiki->id));
fwrite ($bf,full_tag("MODTYPE",4,false,"wiki"));
fwrite ($bf,full_tag("NAME",4,false,$wiki->name));
fwrite ($bf,full_tag("SUMMARY",4,false,$wiki->summary));
fwrite ($bf,full_tag("PAGENAME",4,false,$wiki->wtype));
fwrite ($bf,full_tag("WTYPE",4,false,$wiki->wtype));
fwrite ($bf,full_tag("EWIKIPRINTTITLE",4,false,$wiki->ewikiprinttitle));
fwrite ($bf,full_tag("HTMLMODE",4,false,$wiki->htmlmode));
fwrite ($bf,full_tag("EWIKIACCEPTBINARY",4,false,$wiki->ewikiacceptbinary));
fwrite ($bf,full_tag("DISABLECAMELCASE",4,false,$wiki->disablecamelcase));
fwrite ($bf,full_tag("SETPAGEFLAGS",4,false,$wiki->setpageflags));
fwrite ($bf,full_tag("STRIPPAGES",4,false,$wiki->strippages));
fwrite ($bf,full_tag("REMOVEPAGES",4,false,$wiki->removepages));
fwrite ($bf,full_tag("REVERTCHANGES",4,false,$wiki->revertchanges));
fwrite ($bf,full_tag("INITIALCONTENT",4,false,$wiki->initialcontent));
fwrite ($bf,full_tag("TIMEMODIFIED",4,false,$wiki->timemodified));
//backup entries and pages
if (backup_userdata_selected($preferences,'wiki',$wiki->id)) {
$status = backup_wiki_entries($bf,$preferences,$wiki->id, $preferences->mods["wiki"]->userinfo);
$status = backup_wiki_files_instance($bf,$preferences,$wiki->id);
}
//End mod
fwrite ($bf,end_tag("MOD",3,true));
return $status;
}
function wiki_check_backup_mods_instances($instance,$backup_unique_code) {
$info[$instance->id.'0'][0] = $instance->name;
$info[$instance->id.'0'][1] = '';
// wiki_check_backup_mods ignores userdata, so we do too.
return $info;
}
////Return an array of info (name,value)
function wiki_check_backup_mods($course,$user_data=false,$backup_unique_code,$instances=null) {
if (!empty($instances) && is_array($instances) && count($instances)) {
$info = array();
foreach ($instances as $id => $instance) {
$info += wiki_check_backup_mods_instances($instance,$backup_unique_code);
}
return $info;
}
//First the course data
$info[0][0] = get_string("modulenameplural","wiki");
$info[0][1] = count_records("wiki", "course", "$course");
return $info;
}
//Backup wiki_entries contents (executed from wiki_backup_mods)
function backup_wiki_entries ($bf,$preferences,$wiki, $userinfo) {
global $CFG;
$status = true;
$wiki_entries = get_records("wiki_entries","wikiid",$wiki,"id");
//If there are entries
if ($wiki_entries) {
//Write start tag
$status =fwrite ($bf,start_tag("ENTRIES",4,true));
//Iterate over each entry
foreach ($wiki_entries as $wik_ent) {
//Entry start
$status =fwrite ($bf,start_tag("ENTRY",5,true));
fwrite ($bf,full_tag("ID",6,false,$wik_ent->id));
fwrite ($bf,full_tag("GROUPID",6,false,$wik_ent->groupid));
fwrite ($bf,full_tag("USERID",6,false,$wik_ent->userid));
fwrite ($bf,full_tag("PAGENAME",6,false,$wik_ent->pagename));
fwrite ($bf,full_tag("TIMEMODIFIED",6,false,$wik_ent->timemodified));
//Now save entry pages
$status = backup_wiki_pages($bf,$preferences,$wik_ent->id);
//Entry end
$status =fwrite ($bf,end_tag("ENTRY",5,true));
}
//Write end tag
$status =fwrite ($bf,end_tag("ENTRIES",4,true));
}
return $status;
}
//Write wiki_pages contents
function backup_wiki_pages ($bf,$preferences,$entryid) {
global $CFG;
$status = true;
$pages = get_records("wiki_pages","wiki",$entryid);
if ($pages) {
//Start tag
$status =fwrite ($bf,start_tag("PAGES",6,true));
//Iterate over each page
foreach ($pages as $page) {
$status =fwrite ($bf,start_tag("PAGE",7,true));
fwrite ($bf,full_tag("ID",8,false,$page->id));
fwrite ($bf,full_tag("PAGENAME",8,false,$page->pagename));
fwrite ($bf,full_tag("VERSION",8,false,$page->version));
fwrite ($bf,full_tag("FLAGS",8,false,$page->flags));
fwrite ($bf,full_tag("CONTENT",8,false,$page->content));
fwrite ($bf,full_tag("AUTHOR",8,false,$page->author));
fwrite ($bf,full_tag("USERID",8,false,$page->userid));
fwrite ($bf,full_tag("CREATED",8,false,$page->created));
fwrite ($bf,full_tag("LASTMODIFIED",8,false,$page->lastmodified));
fwrite ($bf,full_tag("REFS",8,false,str_replace("\n","$@LINEFEED@$",$page->refs)));
fwrite ($bf,full_tag("META",8,false,$page->meta));
fwrite ($bf,full_tag("HITS",8,false,$page->hits));
$status =fwrite ($bf,end_tag("PAGE",7,true));
}
$status =fwrite ($bf,end_tag("PAGES",6,true));
}
return $status;
}
function backup_wiki_files_instance($bf,$preferences,$instancid) {
global $CFG;
$status = true;
//First we check to moddata exists and create it as necessary
//in temp/backup/$backup_code dir
$status = check_and_create_moddata_dir($preferences->backup_unique_code);
$status = check_dir_exists($CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/wiki/",true);
//Now copy the forum dir
if ($status) {
//Only if it exists !! Thanks to Daniel Miksik.
if (is_dir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/wiki/".$instanceid)) {
$status = backup_copy_file($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/wiki/".$instanceid,
$CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/wiki/".$instanceid);
}
}
return $status;
}
//Backup wiki binary files
function backup_wiki_files($bf,$preferences) {
global $CFG;
$status = true;
//First we check to moddata exists and create it as necessary
//in temp/backup/$backup_code dir
$status = check_and_create_moddata_dir($preferences->backup_unique_code);
//Now copy the forum dir
if ($status) {
//Only if it exists !! Thanks to Daniel Miksik.
if (is_dir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/wiki")) {
$handle = opendir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/wiki");
while (false!==($item = readdir($handle))) {
if ($item != '.' && $item != '..' && is_dir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/wiki/".$item)
&& array_key_exists($item,$preferences->mods['wiki']->instances)
&& !empty($preferences->mods['wiki']->instances[$item]->backup)) {
$status = backup_copy_file($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/wiki/".$item,
$CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/wiki/",$item);
}
}
}
}
return $status;
}
//Return a content encoded to support interactivities linking. Every module
//should have its own. They are called automatically from the backup procedure.
function wiki_encode_content_links ($content,$preferences) {
global $CFG;
$base = preg_quote($CFG->wwwroot,"/");
//Link to the list of wikis
$buscar="/(".$base."\/mod\/wiki\/index.php\?id\=)([0-9]+)/";
$result= preg_replace($buscar,'$@WIKIINDEX*$2@$',$content);
//Link to wiki view by moduleid
$buscar="/(".$base."\/mod\/wiki\/view.php\?id\=)([0-9]+)/";
$result= preg_replace($buscar,'$@WIKIVIEWBYID*$2@$',$result);
return $result;
}
?>
|
