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ac3f72c899
It wasn' working fine because the wiki_pages table hadn't an id (primary key) field. I've created, in the upgrade process, a temporary table to copy all the wiki_pages records and then, drop and create again the table. Tested under MySQL. Need to be tested (both creation and upgrade) under PostgreSQL!!! Minor modifications to ewikimoodlelib.php to work with this new id field too. Seems to work although deeper tests will be welcome (attachements, binary contents...) Cross your fingers! ;-)
263 lines
11 KiB
PHP
263 lines
11 KiB
PHP
<?PHP //$Id$
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//This php script contains all the stuff to backup/restore
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//wiki mods
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//This is the "graphical" structure of the wiki mod:
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//
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// wiki
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// (CL,pk->id)
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//
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// wiki_entries
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// (pk->id, fk->wikiid)
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//
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// wiki_pages
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// (pk->pagename,version,wiki, fk->wiki)
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//
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// Meaning: pk->primary key field of the table
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// fk->foreign key to link with parent
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// nt->nested field (recursive data)
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// CL->course level info
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// UL->user level info
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// files->table may have files)
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//
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//-----------------------------------------------------------
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function wiki_restore_mods($mod,$restore) {
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global $CFG;
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$status = true;
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//Get record from backup_ids
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$data = backup_getid($restore->backup_unique_code,$mod->modtype,$mod->id);
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if ($data) {
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//Now get completed xmlized object
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$info = $data->info;
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//traverse_xmlize($info); //Debug
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//print_object ($GLOBALS['traverse_array']); //Debug
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//$GLOBALS['traverse_array']=""; //Debug
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//Now, build the wiki record structure
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$wiki->course = $restore->course_id;
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$wiki->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
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$wiki->summary = backup_todb($info['MOD']['#']['SUMMARY']['0']['#']);
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$wiki->pagename = backup_todb($info['MOD']['#']['PAGENAME']['0']['#']);
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$wiki->wtype = backup_todb($info['MOD']['#']['WTYPE']['0']['#']);
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$wiki->ewikiprinttitle = backup_todb($info['MOD']['#']['EWIKIPRINTTITLE']['0']['#']);
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$wiki->htmlmode = backup_todb($info['MOD']['#']['HTMLMODE']['0']['#']);
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$wiki->ewikiacceptbinary = backup_todb($info['MOD']['#']['EWIKIACCEPTBINARY']['0']['#']);
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$wiki->disablecamelcase = backup_todb($info['MOD']['#']['DISABLECAMELCASE']['0']['#']);
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$wiki->setpageflags = backup_todb($info['MOD']['#']['SETPAGEFLAGS']['0']['#']);
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$wiki->strippages = backup_todb($info['MOD']['#']['STRIPPAGES']['0']['#']);
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$wiki->removepages = backup_todb($info['MOD']['#']['REMOVEPAGES']['0']['#']);
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$wiki->revertchanges = backup_todb($info['MOD']['#']['REVERTCHANGES']['0']['#']);
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$wiki->initialcontent = backup_todb($info['MOD']['#']['INITIALCONTENT']['0']['#']);
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$wiki->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
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//The structure is equal to the db, so insert the wiki
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$newid = insert_record ("wiki",$wiki);
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//Do some output
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echo "<li>".get_string("modulename","wiki")." \"".$wiki->name."\"</li>";
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backup_flush(300);
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if ($newid) {
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//We have the newid, update backup_ids
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backup_putid($restore->backup_unique_code,$mod->modtype,
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$mod->id, $newid);
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//Now check if want to restore user data and do it.
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if ($restore->mods['wiki']->userinfo) {
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//Restore wiki_entries
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$status = wiki_entries_restore_mods($mod->id,$newid,$info,$restore);
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}
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} else {
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$status = false;
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}
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} else {
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$status = false;
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}
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return $status;
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}
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//This function restores the wiki_entries
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function wiki_entries_restore_mods($old_wiki_id,$new_wiki_id,$info,$restore) {
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global $CFG;
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$status = true;
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//Get the entries array
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$entries = $info['MOD']['#']['ENTRIES']['0']['#']['ENTRY'];
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//Iterate over entries
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for($i = 0; $i < sizeof($entries); $i++) {
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$ent_info = $entries[$i];
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//traverse_xmlize($ent_info); //Debug
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//print_object ($GLOBALS['traverse_array']); //Debug
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//$GLOBALS['traverse_array']=""; //Debug
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//We'll need this later!!
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$oldid = backup_todb($ent_info['#']['ID']['0']['#']);
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//Now, build the wiki_ENTRIES record structure
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$entry->wikiid = $new_wiki_id;
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$entry->course = $restore->course_id;
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$entry->userid = backup_todb($ent_info['#']['USERID']['0']['#']);
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$entry->groupid = backup_todb($ent_info['#']['GROUPID']['0']['#']);
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$entry->pagename = backup_todb($ent_info['#']['PAGENAME']['0']['#']);
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$entry->timemodified = backup_todb($ent_info['#']['TIMEMODIFIED']['0']['#']);
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//We have to recode the userid field
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$user = backup_getid($restore->backup_unique_code,"user",$entry->userid);
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if ($user) {
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$entry->userid = $user->new_id;
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}
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//We have to recode the groupid field
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$group = backup_getid($restore->backup_unique_code,"group",$entry->groupid);
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if ($group) {
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$entry->groupid = $group->new_id;
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}
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//The structure is equal to the db, so insert the wiki_entries
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$newid = insert_record ("wiki_entries",$entry);
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//Do some output
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if (($i+1) % 50 == 0) {
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echo ".";
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if (($i+1) % 1000 == 0) {
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echo "<br />";
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}
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backup_flush(300);
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}
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if ($newid) {
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//We have the newid, update backup_ids
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backup_putid($restore->backup_unique_code,"wiki_entries",$oldid,$newid);
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//Restore wiki_pages
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$status = wiki_pages_restore_mods($oldid,$newid,$ent_info,$restore);
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//Now copy moddata associated files
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$status = wiki_restore_files ($old_wiki_id, $new_wiki_id, $oldid, $newid, $restore);
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} else {
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$status = false;
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}
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}
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return $status;
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}
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//This function restores the wiki_pages
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function wiki_pages_restore_mods($old_entry_id,$new_entry_id,$info,$restore) {
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global $CFG;
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$status = true;
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//Get the comments array
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$pages = $info['#']['PAGES']['0']['#']['PAGE'];
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//Iterate over pages
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for($i = 0; $i < sizeof($pages); $i++) {
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$pag_info = $pages[$i];
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//traverse_xmlize($pag_info); //Debug
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//print_object ($GLOBALS['traverse_array']); //Debug
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//$GLOBALS['traverse_array']=""; //Debug
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//We'll need this later!!
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$oldid = backup_todb($pag_info['#']['ID']['0']['#']);
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//Now, build the wiki_page record structure
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$page->wiki = $new_entry_id;
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$page->pagename = backup_todb($pag_info['#']['PAGENAME']['0']['#']);
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$page->version = backup_todb($pag_info['#']['VERSION']['0']['#']);
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$page->flags = backup_todb($pag_info['#']['FLAGS']['0']['#']);
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$page->content = backup_todb($pag_info['#']['CONTENT']['0']['#']);
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$page->author = backup_todb($pag_info['#']['AUTHOR']['0']['#']);
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$page->userid = backup_todb($pag_info['#']['USERID']['0']['#']);
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$page->created = backup_todb($pag_info['#']['CREATED']['0']['#']);
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$page->lastmodified = backup_todb($pag_info['#']['LASTMODIFIED']['0']['#']);
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$page->refs = str_replace("$@LINEFEED@$","\n",backup_todb($pag_info['#']['REFS']['0']['#']));
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$page->meta = backup_todb($pag_info['#']['META']['0']['#']);
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$page->hits = backup_todb($pag_info['#']['HITS']['0']['#']);
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//We have to recode the userid field
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$user = backup_getid($restore->backup_unique_code,"user",$page->userid);
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if ($user) {
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$page->userid = $user->new_id;
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}
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//The structure is equal to the db, so insert the wiki_pages
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$newid = insert_record ("wiki_pages",$page);
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//Do some output
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if (($i+1) % 50 == 0) {
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echo ".";
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if (($i+1) % 1000 == 0) {
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echo "<br />";
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}
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backup_flush(300);
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}
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if ($newid) {
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//We have the newid, update backup_ids
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backup_putid($restore->backup_unique_code,"wiki_pages",$oldid,$newid);
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} else {
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$status = false;
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}
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}
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return $status;
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}
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function wiki_restore_files ($oldwikiid, $newwikiid, $oldentryid, $newentryid, $restore) {
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global $CFG;
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$status = true;
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$todo = false;
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$moddata_path = "";
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$forum_path = "";
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$temp_path = "";
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//First, we check to "course_id" exists and create is as necessary
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//in CFG->dataroot
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$dest_dir = $CFG->dataroot."/".$restore->course_id;
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$status = check_dir_exists($dest_dir,true);
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//First, locate course's moddata directory
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$moddata_path = $CFG->dataroot."/".$restore->course_id."/".$CFG->moddata;
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//Check it exists and create it
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$status = check_dir_exists($moddata_path,true);
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//Now, locate wiki directory
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if ($status) {
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$wiki_path = $moddata_path."/wiki";
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//Check it exists and create it
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$status = check_dir_exists($wiki_path,true);
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}
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//Now locate the temp dir we are restoring from
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if ($status) {
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$temp_path = $CFG->dataroot."/temp/backup/".$restore->backup_unique_code.
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"/moddata/wiki/".$oldwikiid."/".$oldentryid;
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//Check it exists
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if (is_dir($temp_path)) {
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$todo = true;
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}
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}
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//If todo, we create the neccesary dirs in course moddata/wiki
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if ($status and $todo) {
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//First this wiki id
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$this_wiki_path = $wiki_path."/".$newwikiid;
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$status = check_dir_exists($this_wiki_path,true);
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//Now this entry id
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$entry_wiki_path = $this_wiki_path."/".$newentryid;
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//And now, copy temp_path to entry_wiki_path
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$status = backup_copy_file($temp_path, $entry_wiki_path);
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}
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return $status;
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}
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?>
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