id,files) // // 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 resource_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 RESOURCE record structure $resource->course = $restore->course_id; $resource->name = backup_todb($info['MOD']['#']['NAME']['0']['#']); $resource->type = $info['MOD']['#']['TYPE']['0']['#']; $resource->reference = backup_todb($info['MOD']['#']['REFERENCE']['0']['#']); $resource->summary = backup_todb($info['MOD']['#']['SUMMARY']['0']['#']); $resource->alltext = backup_todb($info['MOD']['#']['ALLTEXT']['0']['#']); $resource->popup = backup_todb($info['MOD']['#']['POPUP']['0']['#']); $resource->options = backup_todb($info['MOD']['#']['OPTIONS']['0']['#']); $resource->timemodified = $info['MOD']['#']['TIMEMODIFIED']['0']['#']; //To mantain compatibility, in 1.4 the type and alltext meaning has changed and //two new fields have arrived (popup and options). We have to modify somethigs //if the popup field isn't present in the backup file to be upwards compatible. if (! isset($info['MOD']['#']['POPUP']['0']['#'])) { //It's a pre-14 backup file //Move alltext to popup in 3 and 5 resource types if ($resource->type == 3 || $resource->type == 5) { $resource->popup = $resource->alltext; $resource->alltext = ''; } //Move reference to alltext for references if ($resource->type == 1) { $resource->popup = ''; $resource->alltext = $resource->reference; $resource->reference = ''; } //Reencode the type field to its new values and fill the options field as needed //Array 1-9 of new types $types = array ('','html','file','file','text','file', 'html','file','text','directory'); //Array 1-9 of corresponding options $options = array ('','','frame','','0','', '','','3',''); //Make the conversion $oldtype = $resource->type; $resource->type = $types[$oldtype]; $resource->options = $options[$oldtype]; } if ($resource->type == 'reference') { // Obsolete type of resource $resource->type == 'html'; $resource->alltext = $resource->reference; $resource->reference = ''; } //The structure is equal to the db, so insert the resource $newid = insert_record ("resource",$resource); //Do some output if (!defined('RESTORE_SILENTLY')) { echo "
  • ".get_string("modulename","resource")." \"".format_string(stripslashes($resource->name),true)."\"
  • "; } backup_flush(300); if ($newid) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,$mod->modtype, $mod->id, $newid); // restore any associated files... if ($resource->type == 'file' || $resource->type == 'directory' || $resource->type == 'ims') { resource_restore_files($mod->id,$newid,$resource,$restore); } } else { $status = false; } } else { $status = false; } return $status; } //Return a content decoded to support interactivities linking. Every module //should have its own. They are called automatically from //resource_decode_content_links_caller() function in each module //in the restore process function resource_decode_content_links ($content,$restore) { global $CFG; $result = $content; //Link to the list of resources $searchstring='/\$@(RESOURCEINDEX)\*([0-9]+)@\$/'; //We look for it preg_match_all($searchstring,$content,$foundset); //If found, then we are going to look for its new id (in backup tables) if ($foundset[0]) { //print_object($foundset); //Debug //Iterate over foundset[2]. They are the old_ids foreach($foundset[2] as $old_id) { //We get the needed variables here (course id) $rec = backup_getid($restore->backup_unique_code,"course",$old_id); //Personalize the searchstring $searchstring='/\$@(RESOURCEINDEX)\*('.$old_id.')@\$/'; //If it is a link to this course, update the link to its new location if (!empty($rec->new_id)) { //Now replace it $result= preg_replace($searchstring,$CFG->wwwroot.'/mod/resource/index.php?id='.$rec->new_id,$result); } else { //It's a foreign link so leave it as original $result= preg_replace($searchstring,$restore->original_wwwroot.'/mod/resource/index.php?id='.$old_id,$result); } } } //Link to resource view by moduleid $searchstring='/\$@(RESOURCEVIEWBYID)\*([0-9]+)@\$/'; //We look for it preg_match_all($searchstring,$result,$foundset); //If found, then we are going to look for its new id (in backup tables) if ($foundset[0]) { //print_object($foundset); //Debug //Iterate over foundset[2]. They are the old_ids foreach($foundset[2] as $old_id) { //We get the needed variables here (course_modules id) $rec = backup_getid($restore->backup_unique_code,"course_modules",$old_id); //Personalize the searchstring $searchstring='/\$@(RESOURCEVIEWBYID)\*('.$old_id.')@\$/'; //If it is a link to this course, update the link to its new location if (!empty($rec->new_id)) { //Now replace it $result= preg_replace($searchstring,$CFG->wwwroot.'/mod/resource/view.php?id='.$rec->new_id,$result); } else { //It's a foreign link so leave it as original $result= preg_replace($searchstring,$restore->original_wwwroot.'/mod/resource/view.php?id='.$old_id,$result); } } } //Link to resource view by resourceid $searchstring='/\$@(RESOURCEVIEWBYR)\*([0-9]+)@\$/'; //We look for it preg_match_all($searchstring,$result,$foundset); //If found, then we are going to look for its new id (in backup tables) if ($foundset[0]) { //print_object($foundset); //Debug //Iterate over foundset[2]. They are the old_ids foreach($foundset[2] as $old_id) { //We get the needed variables here (forum id) $rec = backup_getid($restore->backup_unique_code,"resource",$old_id); //Personalize the searchstring $searchstring='/\$@(RESOURCEVIEWBYR)\*('.$old_id.')@\$/'; //If it is a link to this course, update the link to its new location if($rec->new_id) { //Now replace it $result= preg_replace($searchstring,$CFG->wwwroot.'/mod/resource/view.php?r='.$rec->new_id,$result); } else { //It's a foreign link so leave it as original $result= preg_replace($searchstring,$restore->original_wwwroot.'/mod/resource/view.php?r='.$old_id,$result); } } } return $result; } //This function makes all the necessary calls to xxxx_decode_content_links() //function in each module, passing them the desired contents to be decoded //from backup format to destination site/course in order to mantain inter-activities //working in the backup/restore process. It's called from restore_decode_content_links() //function in restore process function resource_decode_content_links_caller($restore) { global $CFG; $status = true; if ($resources = get_records_sql ("SELECT r.id, r.alltext, r.summary, r.reference FROM {$CFG->prefix}resource r WHERE r.course = $restore->course_id")) { $i = 0; //Counter to send some output to the browser to avoid timeouts foreach ($resources as $resource) { //Increment counter $i++; $content1 = $resource->alltext; $content2 = $resource->summary; $content3 = $resource->reference; $result1 = restore_decode_content_links_worker($content1,$restore); $result2 = restore_decode_content_links_worker($content2,$restore); $result3 = restore_decode_content_links_worker($content3,$restore); if ($result1 != $content1 || $result2 != $content2 || $result3 != $content3) { //Update record $resource->alltext = addslashes($result1); $resource->summary = addslashes($result2); $resource->reference = addslashes($result3); $status = update_record("resource",$resource); if (debugging()) { if (!defined('RESTORE_SILENTLY')) { echo '

    '.s($content1).'
    changed to
    '.s($result1).'

    '; echo '

    '.s($content2).'
    changed to
    '.s($result2).'

    '; echo '

    '.s($content3).'
    changed to
    '.s($result3).'

    '; } } } //Do some output if (($i+1) % 5 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 100 == 0) { echo "
    "; } } backup_flush(300); } } } return $status; } //This function converts texts in FORMAT_WIKI to FORMAT_MARKDOWN for //some texts in the module function resource_restore_wiki2markdown ($restore) { global $CFG; $status = true; //Convert resource->alltext if ($records = get_records_sql ("SELECT r.id, r.alltext, r.options FROM {$CFG->prefix}resource r, {$CFG->prefix}backup_ids b WHERE r.course = $restore->course_id AND options = ".FORMAT_WIKI. " AND b.backup_code = $restore->backup_unique_code AND b.table_name = 'resource' AND b.new_id = r.id")) { foreach ($records as $record) { //Rebuild wiki links $record->alltext = restore_decode_wiki_content($record->alltext, $restore); //Convert to Markdown $wtm = new WikiToMarkdown(); $record->alltext = $wtm->convert($record->alltext, $restore->course_id); $record->options = FORMAT_MARKDOWN; $status = update_record('resource', addslashes_object($record)); //Do some output $i++; if (($i+1) % 1 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 20 == 0) { echo "
    "; } } backup_flush(300); } } } return $status; } //This function returns a log record with all the necessay transformations //done. It's used by restore_log_module() to restore modules log. function resource_restore_logs($restore,$log) { $status = false; //Depending of the action, we recode different things switch ($log->action) { case "add": if ($log->cmid) { //Get the new_id of the module (to recode the info field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { $log->url = "view.php?id=".$log->cmid; $log->info = $mod->new_id; $status = true; } } break; case "update": if ($log->cmid) { //Get the new_id of the module (to recode the info field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { $log->url = "view.php?id=".$log->cmid; $log->info = $mod->new_id; $status = true; } } break; case "view": if ($log->cmid) { //Get the new_id of the module (to recode the info field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { $log->url = "view.php?id=".$log->cmid; $log->info = $mod->new_id; $status = true; } } break; case "view all": $log->url = "index.php?id=".$log->course; $status = true; break; default: if (!defined('RESTORE_SILENTLY')) { echo "action (".$log->module."-".$log->action.") unknown. Not restored
    "; //Debug } break; } if ($status) { $status = $log; } return $status; } function resource_restore_files($oldid,$newid,$resource,$restore) { global $CFG; $status = true; $status = check_dir_exists($CFG->dataroot."/".$restore->course_id,true); // we need to do anything referenced by $resource->reference and anything in moddata/resource/instance // do referenced files/dirs first. $temp_path = $CFG->dataroot."/temp/backup/".$restore->backup_unique_code.'/course_files/'.$resource->reference; if (file_exists($temp_path)) { // ok, it was backed up, restore it. $new_path = $CFG->dataroot.'/'.$restore->course_id.'/'.$resource->reference; // if this is somewhere deeply nested we need to do all the structure stuff first..... $bits = explode('/',$resource->reference); $newbit = ''; for ($i = 0; $i< count($bits)-1; $i++) { $newbit .= $bits[$i].'/'; $status = $status && check_dir_exists($CFG->dataroot.'/'.$restore->course_id.'/'.$newbit,true); } $status = $status && backup_copy_file($temp_path,$new_path); } // and now for moddata. $temp_path = $CFG->dataroot."/temp/backup/".$restore->backup_unique_code. "/moddata/resource/".$oldid; if (file_exists($temp_path)) { // there's something to back up, restore it. $new_path = $CFG->dataroot."/".$restore->course_id."/".$CFG->moddata; $status = $status && check_dir_exists($new_path,true); $new_path .= '/resource'; $status = $status && check_dir_exists($new_path,true); $new_path .= '/'.$newid; $status = $status && backup_copy_file($temp_path,$new_path); } return $status; } ?>