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<?PHP //$Id$
//This php script contains all the stuff to backup/restore
//glossary mods
//This is the "graphical" structure of the glossary mod:
//
// glossary ---------------------- glossary_categories
// (CL,pk->id) (CL,pk->id,fk->glossaryid)
// | |
// | |
// | |
// glossary_entries -------------- glossary_entries_categories
// (UL,pk->id, fk->glossaryid, files) (UL, [pk->categoryid,entryid]
//
// 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 restore procedure about this mod
function glossary_restore_mods($mod,$restore) {
global $CFG;
$status = true;
//Get record from backup_ids
$data = backup_getid($restore->backup_unique_code,$mod->modtype,$mod->id);
if ($data) {
//Now get completed xmlized object
$info = $data->info;
//traverse_xmlize($info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//Now, build the glossary record structure
$glossary->course = $restore->course_id;
$glossary->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
$glossary->intro = backup_todb($info['MOD']['#']['INTRO']['0']['#']);
$glossary->studentcanpost = backup_todb($info['MOD']['#']['STUDENTCANPOST']['0']['#']);
$glossary->allowduplicatedentries = backup_todb($info['MOD']['#']['ALLOWDUPLICATEDENTRIES']['0']['#']);
$glossary->displayformat = backup_todb($info['MOD']['#']['DISPLAYFORMAT']['0']['#']);
$glossary->mainglossary = backup_todb($info['MOD']['#']['MAINGLOSSARY']['0']['#']);
$glossary->showspecial = backup_todb($info['MOD']['#']['SHOWSPECIAL']['0']['#']);
$glossary->showalphabet = backup_todb($info['MOD']['#']['SHOWALPHABET']['0']['#']);
$glossary->showall = backup_todb($info['MOD']['#']['SHOWALL']['0']['#']);
$glossary->timecreated = backup_todb($info['MOD']['#']['TIMECREATED']['0']['#']);
$glossary->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
//The structure is equal to the db, so insert the glossary
$newid = insert_record ("glossary",$glossary);
//Do some output
echo "<ul><li>".get_string("modulename","glossary")." \"".$glossary->name."\"<br>";
backup_flush(300);
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,$mod->modtype,
$mod->id, $newid);
//Now check if want to restore user data and do it.
//Restore glossary_entries
$status = glossary_entries_restore_mods($mod->id,$newid,$info,$restore);
//Restore glossary_categories and glossary_category_entries
$status = glossary_categories_restore_mods($mod->id,$newid,$info,$restore);
} else {
$status = false;
}
//Finalize ul
echo "</ul>";
} else {
$status = false;
}
return $status;
}
//This function restores the glossary_entries
function glossary_entries_restore_mods($old_glossary_id,$new_glossary_id,$info,$restore) {
global $CFG;
$status = true;
//Get the entries array
$entries = $info['MOD']['#']['ENTRIES']['0']['#']['ENTRY'];
//Iterate over entries
for($i = 0; $i < sizeof($entries); $i++) {
$ent_info = $entries[$i];
//traverse_xmlize($ent_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($ent_info['#']['ID']['0']['#']);
$olduserid = backup_todb($ent_info['#']['USERID']['0']['#']);
//Now, build the GLOSSARY_ENTRIES record structure
$entry->glossaryid = $new_glossary_id;
$entry->userid = backup_todb($ent_info['#']['USERID']['0']['#']);
$entry->concept = backup_todb($ent_info['#']['CONCEPT']['0']['#']);
$entry->definition = backup_todb($ent_info['#']['DEFINITION']['0']['#']);
$entry->format = backup_todb($ent_info['#']['FORMAT']['0']['#']);
$entry->attachment = backup_todb($ent_info['#']['ATTACHMENT']['0']['#']);
$entry->sourceglossaryid = backup_todb($ent_info['#']['SOURCEGLOSSARYID']['0']['#']);
$entry->timecreated = backup_todb($ent_info['#']['TIMECREATED']['0']['#']);
$entry->timemodified = backup_todb($ent_info['#']['TIMEMODIFIED']['0']['#']);
$entry->teacherentry = backup_todb($ent_info['#']['TEACHERENTRY']['0']['#']);
//We have to recode the userid field
$user = backup_getid($restore->backup_unique_code,"user",$entry->userid);
if ($user) {
$entry->userid = $user->new_id;
}
//We have to recode the sourceglossaryid field
$source = backup_getid($restore->backup_unique_code,"glossary",$entry->sourceglossaryid);
if ($source) {
$entry->sourceglossaryid = $source->new_id;
}
//If it's a teacher entry or userinfo was selected, restore the entry
if ($entry->teacherentry or $restore->mods['glossary']->userinfo) {
//The structure is equal to the db, so insert the glossary_entries
$newid = insert_record ("glossary_entries",$entry);
//Do some output
if (($i+1) % 50 == 0) {
echo ".";
if (($i+1) % 1000 == 0) {
echo "<br>";
}
backup_flush(300);
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,"glossary_entries",$oldid,$newid);
//Now copy moddata associated files if needed
if ($entry->attachment) {
$status = glossary_restore_files ($old_glossary_id, $new_glossary_id,
$oldid, $newid, $restore);
}
} else {
$status = false;
}
}
}
return $status;
}
//This function restores the glossary_categories
function glossary_categories_restore_mods($old_glossary_id,$new_glossary_id,$info,$restore) {
global $CFG;
$status = true;
//Get the categories array
$categories = $info['MOD']['#']['CATEGORIES']['0']['#']['CATEGORY'];
//Iterate over categories
for($i = 0; $i < sizeof($categories); $i++) {
$cat_info = $categories[$i];
//traverse_xmlize($cat_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($cat_info['#']['ID']['0']['#']);
//Now, build the GLOSSARY_CATEGORIES record structure
$category->glossaryid = $new_glossary_id;
$category->name = backup_todb($cat_info['#']['NAME']['0']['#']);
$newid = insert_record ("glossary_categories",$category);
//Do some output
if (($i+1) % 50 == 0) {
echo ".";
if (($i+1) % 1000 == 0) {
echo "<br>";
}
backup_flush(300);
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,"glossary_categories",$oldid,$newid);
//Now restore glossary_entries_categories
$status = glossary_entries_categories_restore_mods($old,$newid,$cat_info,$restore);
} else {
$status = false;
}
}
return $status;
}
//This function restores the glossary_entries_categories
function glossary_entries_categories_restore_mods($old_category_id,$new_category_id,$info,$restore) {
global $CFG;
$status = true;
//Get the entryids array
$entryids = $info['#']['ENTRIES']['0']['#']['ENTRY'];
//Iterate over entryids
for($i = 0; $i < sizeof($entryids); $i++) {
$ent_info = $entryids[$i];
//traverse_xmlize($ent_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//Now, build the GLOSSARY_ENTRIES_CATEGORIES record structure
$entry_category->categoryid = $new_category_id;
$entry_category->entryid = backup_todb($ent_info['#']['ENTRYID']['0']['#']);
//We have to recode the entryid field
$entry = backup_getid($restore->backup_unique_code,"glossary_entries",$entry_category->entryid);
if ($entry) {
$entry_category->entryid = $entry->new_id;
}
$newid = insert_record ("glossary_entries_categories",$entry_category);
//Do some output
if (($i+1) % 50 == 0) {
echo ".";
if (($i+1) % 1000 == 0) {
echo "<br>";
}
backup_flush(300);
}
if (!$newid) {
$status = false;
}
}
return $status;
}
//This function copies the glossary related info from backup temp dir to course moddata folder,
//creating it if needed and recoding everything (glossary id and entry id)
function glossary_restore_files ($oldgloid, $newgloid, $oldentryid, $newentryid, $restore) {
global $CFG;
$status = true;
$todo = false;
$moddata_path = "";
$glossary_path = "";
$temp_path = "";
//First, we check to "course_id" exists and create is as necessary
//in CFG->dataroot
$dest_dir = $CFG->dataroot."/".$restore->course_id;
$status = check_dir_exists($dest_dir,true);
//Now, locate course's moddata directory
$moddata_path = $CFG->dataroot."/".$restore->course_id."/".$CFG->moddata;
//Check it exists and create it
$status = check_dir_exists($moddata_path,true);
//Now, locate glossary directory
if ($status) {
$glossary_path = $moddata_path."/glossary";
//Check it exists and create it
$status = check_dir_exists($glossary_path,true);
}
//Now locate the temp dir we are restoring from
if ($status) {
$temp_path = $CFG->dataroot."/temp/backup/".$restore->backup_unique_code.
"/moddata/glossary/".$oldgloid."/".$oldentryid;
//Check it exists
if (is_dir($temp_path)) {
$todo = true;
}
}
//If todo, we create the neccesary dirs in course moddata/glossary
if ($status and $todo) {
//First this glossary id
$this_glossary_path = $glossary_path."/".$newgloid;
$status = check_dir_exists($this_glossary_path,true);
//Now this entry id
$entry_glossary_path = $this_glossary_path."/".$newentryid;
//And now, copy temp_path to entry_glossary_path
$status = backup_copy_file($temp_path, $entry_glossary_path);
}
return $status;
}
?>
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