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266 lines
10 KiB
PHP
Executable File
266 lines
10 KiB
PHP
Executable File
<?php //$Id$
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//This php script contains all the stuff to backup/restore
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//reservation mods
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//This is the "graphical" structure of the scorm mod:
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//
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// scorm
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// (CL,pk->id)---------------------
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// | |
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// | |
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// | |
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// scorm_scoes |
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// (UL,pk->id, fk->scorm) |
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// | |
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// | |
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// | |
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// scorm_scoes_track |
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// (UL,pk->id, fk->scormid, fk->scoid, fk->userid)--
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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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//This function executes all the restore procedure about this mod
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function scorm_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 SCORM record structure
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$scorm->course = $restore->course_id;
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$scorm->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
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$scorm->reference = backup_todb($info['MOD']['#']['REFERENCE']['0']['#']);
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$scorm->reference = backup_todb($info['MOD']['#']['MAXGRADE']['0']['#']);
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$scorm->reference = backup_todb($info['MOD']['#']['GRADEMETHOD']['0']['#']);
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$scorm->launch = backup_todb($info['MOD']['#']['LAUNCH']['0']['#']);
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$scorm->summary = backup_todb($info['MOD']['#']['SUMMARY']['0']['#']);
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$scorm->auto = backup_todb($info['MOD']['#']['AUTO']['0']['#']);
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$scorm->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
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//The structure is equal to the db, so insert the scorm
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$newid = insert_record ("scorm",$scorm);
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//Do some output
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echo "<li>".get_string("modulename","scorm")." \"".$scorm->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, $newid);
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//Now copy moddata associated files
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$status = scorm_restore_files ($scorm, $restore);
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if ($status)
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$status = scorm_scoes_restore_mods ($newid,$info,$restore);
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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 $status;
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}
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//This function restores the scorm_scoes
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function scorm_scoes_restore_mods($scorm_id,$info,$restore) {
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global $CFG;
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$status = true;
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//Get the sco array
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$scoes = $info['MOD']['#']['SCOES']['0']['#']['SCO'];
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//Iterate over scoes
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for($i = 0; $i < sizeof($scoes); $i++) {
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$sub_info = $scoes[$i];
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//We'll need this later!!
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$oldid = backup_todb($sub_info['#']['ID']['0']['#']);
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//Now, build the scorm_scoes record structure
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$sco->scorm = $scorm_id;
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$sco->manifest = backup_todb($sub_info['#']['MANIFEST']['0']['#']);
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$sco->organization = backup_todb($sub_info['#']['ORGANIZATION']['0']['#']);
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$sco->parent = backup_todb($sub_info['#']['PARENT']['0']['#']);
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$sco->identifier = backup_todb($sub_info['#']['IDENTIFIER']['0']['#']);
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$sco->launch = backup_todb($sub_info['#']['LAUNCH']['0']['#']);
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$sco->scormtype = backup_todb($sub_info['#']['SCORMTYPE']['0']['#']);
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$sco->title = backup_todb($sub_info['#']['TITLE']['0']['#']);
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$sco->title = backup_todb($sub_info['#']['PREREQUISITES']['0']['#']);
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$sco->title = backup_todb($sub_info['#']['MAXTIMEALLOWED']['0']['#']);
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$sco->title = backup_todb($sub_info['#']['TIMELIMITACTION']['0']['#']);
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$sco->datafromlms = backup_todb($sub_info['#']['DATAFROMLMS']['0']['#']);
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$sco->title = backup_todb($sub_info['#']['MASTERYSCORE']['0']['#']);
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$sco->next = backup_todb($sub_info['#']['NEXT']['0']['#']);
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$sco->previous = backup_todb($sub_info['#']['PREVIOUS']['0']['#']);
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//The structure is equal to the db, so insert the scorm_scoes
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$newid = insert_record ("scorm_scoes",$sco);
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//Now check if want to restore user data and do it.
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if ($restore->mods['scorm']->userinfo) {
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//Restore scorm_scoes
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if ($status) {
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$status = scorm_scoes_tracks_restore_mods ($scorm_id,$info,$restore);
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}
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}
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//Do some output
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if (($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,"scorm_scoes", $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 $status;
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}
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//This function restores the scorm_scoes_track
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function scorm_scoes_tracks_restore_mods($scorm_id,$info,$restore) {
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global $CFG;
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$status = true;
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$sco_tracks = NULL;
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//Get the sco array
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if (!empty($info['MOD']['#']['SCO_TRACKS']['0']['#']['SCO_TRACK']))
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$sco_tracks = $info['MOD']['#']['SCO_TRACKS']['0']['#']['SCO_TRACK'];
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//Iterate over sco_users
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for($i = 0; $i < sizeof($sco_tracks); $i++) {
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$sco_track = $sco_tracks[$i];
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//We'll need this later!!
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$oldid = backup_todb($sub_info['#']['ID']['0']['#']);
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$oldscoid = backup_todb($sub_info['#']['SCOID']['0']['#']);
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$olduserid = backup_todb($sub_info['#']['USERID']['0']['#']);
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//Now, build the scorm_scoes_track record structure
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$sco_user->scormid = $scorm_id;
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$sco_user->userid = backup_todb($sub_info['#']['USERID']['0']['#']);
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$sco_user->scoid = backup_todb($sub_info['#']['SCOID']['0']['#']);
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$sco_user->element = backup_todb($sub_info['#']['ELEMENT']['0']['#']);
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$sco_user->value = backup_todb($sub_info['#']['VALUE']['0']['#']);
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//We have to recode the userid field
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$user = backup_getid($restore->backup_unique_code,"user",$sco_track->userid);
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if ($user) {
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$sco_track->userid = $user->new_id;
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}
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//We have to recode the scoid field
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$sco = backup_getid($restore->backup_unique_code,"scorm_scoes",$sco_track->scoid);
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if ($sco) {
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$sco_track->scoid = $sco->new_id;
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}
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//The structure is equal to the db, so insert the scorm_scoes_track
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$newid = insert_record ("scorm_scoes_track",$sco_track);
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//Do some output
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if (($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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}
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return $status;
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}
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//This function copies the scorm related info from backup temp dir to course moddata folder,
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//creating it if needed
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function scorm_restore_files ($package, $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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$scorm_path = "";
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$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($moddata_path,true);
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//Now, locate scorm directory
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if ($status) {
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$scorm_path = $moddata_path."/scorm";
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//Check it exists and create it
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$status = check_dir_exists($scorm_path,true);
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}
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//Now locate the temp dir we are restoring from
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if ($status) {
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$temp_path = $CFG->dataroot."/temp/backup/".$restore->backup_unique_code.
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"/moddata/scorm/".$package->id;
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//Check it exists
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if (is_dir($temp_path)) {
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$todo = true;
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}
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}
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//If todo, we create the neccesary dirs in course moddata/scorm
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if ($status and $todo) {
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//Make scorm package directory path
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$this_scorm_path = $scorm_path."/".$package->id;
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$status = backup_copy_file($temp_path, $this_scorm_path);
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}
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return $status;
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}
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//This function returns a log record with all the necessay transformations
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//done. It's used by restore_log_module() to restore modules log.
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function scorm_restore_logs($restore,$log) {
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$status = true;
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return $status;
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}
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?>
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