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421 lines
17 KiB
PHP
421 lines
17 KiB
PHP
<?php
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//This php script contains all the stuff to backup/restore data mod
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//This is the "graphical" structure of the data mod:
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//
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// data
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// (CL,pk->id)
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// |
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// |
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// |
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// ---------------------------------------------------------------------------------
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// | |
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//data_records (UL,pk->id, fk->data) data_fields (pk->id, fk->data)
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// | |
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// | |
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// ----------------------------------------------------------------------------- |
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// | | | |
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//data_ratings(fk->recordid, pk->id) data_comments (fk->recordid, pk->id) | |
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// data_content(pk->id, fk->recordid, fk->fieldid)
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//
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//
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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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//Backup data files because we've selected to backup user info
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//and files are user info's level
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$fieldids = array(); //array in the format of $fieldids[$oldid]=$newid. This is needed because of double dependencies of multiple tables.
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//Return a content encoded to support interactivities linking. Every module
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function data_restore_mods($mod,$restore) {
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global $CFG;
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$status = true;
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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 = $data->info;
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// if necessary, write to restorelog and adjust date/time fields
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if ($restore->course_startdateoffset) {
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restore_log_date_changes('Database', $restore, $info['MOD']['#'], array('TIMEAVAILABLEFROM', 'TIMEAVAILABLETO','TIMEVIEWFROM', 'TIMEVIEWTO'));
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}
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//traverse_xmlize($info); //Debug
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//print_object ($GLOBALS['traverse_array']); //Debug
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//$GLOBALS['traverse_array']=""; //Debug
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$database->course = $restore->course_id;
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$database->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
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$database->intro = backup_todb($info['MOD']['#']['INTRO']['0']['#']);
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// Only relevant for restoring backups from 1.6 in a 1.7 install.
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if (isset($info['MOD']['#']['RATINGS']['0']['#'])) {
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$database->ratings = backup_todb($info['MOD']['#']['RATINGS']['0']['#']);
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}
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$database->comments = backup_todb($info['MOD']['#']['COMMENTS']['0']['#']);
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$database->timeavailablefrom = backup_todb($info['MOD']['#']['TIMEAVAILABLEFROM']['0']['#']);
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$database->timeavailableto = backup_todb($info['MOD']['#']['TIMEAVAILABLETO']['0']['#']);
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$database->timeviewfrom = backup_todb($info['MOD']['#']['TIMEVIEWFROM']['0']['#']);
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$database->timeviewto = backup_todb($info['MOD']['#']['TIMEVIEWTO']['0']['#']);
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// Only relevant for restoring backups from 1.6 in a 1.7 install.
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if (isset($info['MOD']['#']['PARTICIPANTS']['0']['#'])) {
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$database->participants = backup_todb($info['MOD']['#']['PARTICIPANTS']['0']['#']);
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}
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$database->requiredentries = backup_todb($info['MOD']['#']['REQUIREDENTRIES']['0']['#']);
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$database->requiredentriestoview = backup_todb($info['MOD']['#']['REQUIREDENTRIESTOVIEW']['0']['#']);
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$database->maxentries = backup_todb($info['MOD']['#']['MAXENTRIES']['0']['#']);
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$database->rssarticles = backup_todb($info['MOD']['#']['RSSARTICLES']['0']['#']);
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$database->singletemplate = backup_todb($info['MOD']['#']['SINGLETEMPLATE']['0']['#']);
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$database->listtemplate = backup_todb($info['MOD']['#']['LISTTEMPLATE']['0']['#']);
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$database->listtemplateheader = backup_todb($info['MOD']['#']['LISTTEMPLATEHEADER']['0']['#']);
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$database->listtemplatefooter = backup_todb($info['MOD']['#']['LISTTEMPLATEFOOTER']['0']['#']);
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$database->addtemplate = backup_todb($info['MOD']['#']['ADDTEMPLATE']['0']['#']);
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$database->rsstemplate = backup_todb($info['MOD']['#']['RSSTEMPLATE']['0']['#']);
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$database->rsstitletemplate = backup_todb($info['MOD']['#']['RSSTITLETEMPLATE']['0']['#']);
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$database->csstemplate = backup_todb($info['MOD']['#']['CSSTEMPLATE']['0']['#']);
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$database->jstemplate = backup_todb($info['MOD']['#']['JSTEMPLATE']['0']['#']);
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$database->approval = backup_todb($info['MOD']['#']['APPROVAL']['0']['#']);
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$database->scale = backup_todb($info['MOD']['#']['SCALE']['0']['#']);
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$database->assessed = backup_todb($info['MOD']['#']['ASSESSED']['0']['#']);
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// Only relevant for restoring backups from 1.6 in a 1.7 install.
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if (isset($info['MOD']['#']['ASSESSPUBLIC']['0']['#'])) {
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$database->assesspublic = backup_todb($info['MOD']['#']['ASSESSPUBLIC']['0']['#']);
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}
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$newid = insert_record ('data', $database);
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//Do some output
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if (!defined('RESTORE_SILENTLY')) {
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echo "<li>".get_string("modulename","data")." \"".format_string(stripslashes($database->name),true)."\"</li>";
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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,$mod->modtype,
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$mod->id, $newid);
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//Now check if want to restore user data and do it.
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if (function_exists('restore_userdata_selected')) {
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// Moodle 1.6
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$restore_userdata_selected = restore_userdata_selected($restore, 'data', $mod->id);
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} else {
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// Moodle 1.5
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$restore_userdata_selected = $restore->mods['data']->userinfo;
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}
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//Restore data_fields first!!! need to hold an array of [oldid]=>newid due to double dependencies
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$status = $status and data_fields_restore_mods ($mod->id, $newid, $info, $restore);
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if ($restore_userdata_selected) {
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$status = $status and data_records_restore_mods ($mod->id, $newid, $info, $restore);
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}
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// If the backup contained $data->participants, $data->assesspublic
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// and $data->groupmode, we need to convert the data to use Roles.
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// It means the backup was made pre Moodle 1.7. We check the
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// backup_version to make sure.
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if (isset($database->participants) && isset($database->assesspublic)) {
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if (!$teacherroles = get_roles_with_capability('moodle/legacy:teacher', CAP_ALLOW)) {
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notice('Default teacher role was not found. Roles and permissions '.
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'for your database modules will have to be manually set.');
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}
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if (!$studentroles = get_roles_with_capability('moodle/legacy:student', CAP_ALLOW)) {
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notice('Default student role was not found. Roles and permissions '.
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'for all your database modules will have to be manually set.');
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}
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if (!$guestroles = get_roles_with_capability('moodle/legacy:guest', CAP_ALLOW)) {
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notice('Default guest role was not found. Roles and permissions '.
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'for all your database modules will have to be manually set.');
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}
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require_once($CFG->dirroot.'/mod/data/lib.php');
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data_convert_to_roles($database, $teacherroles, $studentroles,
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$restore->mods['data']->instances[$mod->id]->restored_as_course_module);
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}
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} else {
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$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 $status;
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}
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function data_fields_restore_mods ($old_data_id, $new_data_id, $info, $restore) {
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global $CFG, $fieldids;
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$fields = $info['MOD']['#']['FIELDS']['0']['#']['FIELD'];
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for ($i = 0; $i < sizeof($fields); $i++) {
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$fie_info = $fields[$i];
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$oldid = backup_todb($fie_info['#']['ID']['0']['#']);
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$field -> dataid = $new_data_id;
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$field -> type = backup_todb($fie_info['#']['TYPE']['0']['#']);
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$field -> name = backup_todb($fie_info['#']['NAME']['0']['#']);
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$field -> description = backup_todb($fie_info['#']['DESCRIPTION']['0']['#']);
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$field -> param1 = backup_todb($fie_info['#']['PARAM1']['0']['#']);
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$field -> param2 = backup_todb($fie_info['#']['PARAM2']['0']['#']);
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$field -> param3 = backup_todb($fie_info['#']['PARAM3']['0']['#']);
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$field -> param4 = backup_todb($fie_info['#']['PARAM4']['0']['#']);
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$field -> param5 = backup_todb($fie_info['#']['PARAM5']['0']['#']);
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$field -> param6 = backup_todb($fie_info['#']['PARAM6']['0']['#']);
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$field -> param7 = backup_todb($fie_info['#']['PARAM7']['0']['#']);
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$field -> param8 = backup_todb($fie_info['#']['PARAM8']['0']['#']);
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$field -> param9 = backup_todb($fie_info['#']['PARAM9']['0']['#']);
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$field -> param10 = backup_todb($fie_info['#']['PARAM10']['0']['#']);
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$newid = insert_record ("data_fields",$field);
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$fieldids[$oldid] = $newid; //so we can use them in sub tables that depends on both fieldid and recordid
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//Do some output
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if (($i+1) % 50 == 0) {
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if (!defined('RESTORE_SILENTLY')) {
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echo ".";
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if (($i+1) % 1000 == 0) {
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echo "<br />";
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}
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}
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backup_flush(300);
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}
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if ($newid) {
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//We have the newid, update backup_ids
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$status = backup_putid($restore->backup_unique_code,"data_fields",$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 $status;
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}
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function data_records_restore_mods ($old_data_id, $new_data_id, $info, $restore) {
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global $CFG, $fieldids;
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$status = true;
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$records = $info['MOD']['#']['RECORDS']['0']['#']['RECORD'];
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for ($i = 0; $i < sizeof($records); $i++) {
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$rec_info = $records[$i];
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$oldid = backup_todb($rec_info['#']['ID']['0']['#']);
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$record -> dataid = $new_data_id;
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$record -> userid = backup_todb($rec_info['#']['USERID']['0']['#']);
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$record -> groupid = backup_todb($rec_info['#']['GROUPID']['0']['#']);
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$record -> timecreated = backup_todb($rec_info['#']['TIMECREATED']['0']['#']);
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$record -> timemodified = backup_todb($rec_info['#']['TIMEMODIFIED']['0']['#']);
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$record -> approved = backup_todb($rec_info['#']['APPROVED']['0']['#']);
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$user = backup_getid($restore->backup_unique_code,"user",$record->userid);
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if ($user) {
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$record->userid = $user->new_id;
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}
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$newid = insert_record ("data_records",$record);
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//Do some output
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if (($i+1) % 50 == 0) {
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if (!defined('RESTORE_SILENTLY')) {
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echo ".";
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if (($i+1) % 1000 == 0) {
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echo "<br />";
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}
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}
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backup_flush(300);
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}
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if ($newid) {
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//We have the newid, update backup_ids
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$status = $status and backup_putid($restore->backup_unique_code,"data_records",$oldid, $newid);
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$status = $status and data_content_restore_mods ($oldid, $newid, $old_data_id, $new_data_id, $rec_info, $restore);
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$status = $status and data_ratings_restore_mods ($oldid, $newid, $info, $rec_info);
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$status = $status and data_comments_restore_mods ($oldid, $newid, $info, $rec_info);
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} else {
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$status = false;
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}
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}
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return $status;
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}
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function data_content_restore_mods ($old_record_id, $new_record_id, $old_data_id, $new_data_id, $recinfo, $restore) {
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global $CFG, $fieldids;
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$status = true;
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$contents = $recinfo['#']['CONTENTS']['0']['#']['CONTENT'];
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for ($i = 0; $i < sizeof($contents); $i++) {
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$con_info = $contents[$i];
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$oldid = backup_todb($con_info['#']['ID']['0']['#']);
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$oldfieldid = backup_todb($con_info['#']['FIELDID']['0']['#']);
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$oldrecordid = backup_todb($con_info['#']['RECORDID']['0']['#']);
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$content -> recordid = $new_record_id;
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$content -> fieldid = $fieldids[$oldfieldid];
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$content -> content = backup_todb($con_info['#']['CONTENT']['0']['#']);
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$content -> content1 = backup_todb($con_info['#']['CONTENT1']['0']['#']);
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$content -> content2 = backup_todb($con_info['#']['CONTENT2']['0']['#']);
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$content -> content3 = backup_todb($con_info['#']['CONTENT3']['0']['#']);
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$content -> content4 = backup_todb($con_info['#']['CONTENT4']['0']['#']);
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$newid = insert_record ("data_content",$content);
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//Do some output
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if (($i+1) % 50 == 0) {
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if (!defined('RESTORE_SILENTLY')) {
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echo ".";
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if (($i+1) % 1000 == 0) {
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echo "<br />";
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}
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}
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backup_flush(300);
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}
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if ($newid) {
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//We have the newid, update backup_ids
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$status = $status and data_restore_files ($old_data_id, $new_data_id, $oldfieldid, $content->fieldid, $oldrecordid, $content->recordid, $recinfo, $restore);
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$status = $status and backup_putid($restore->backup_unique_code,"data_content",$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 $status;
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}
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function data_restore_files ($old_data_id, $new_data_id, $old_field_id, $new_field_id, $old_record_id, $new_record_id, $recinfo, $restore) {
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global $CFG, $db;
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$status = true;
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$todo = false;
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$moddata_path = "";
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$data_path = "";
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$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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//Now, 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($moddata_path,true);
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//Now, locate data directory
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if ($status) {
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$data_path = $moddata_path."/data";
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//Check it exists and create it
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$status = check_dir_exists($data_path,true);
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}
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//Now locate the temp dir we are gong to restore
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if ($status) {
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$temp_path = $CFG->dataroot."/temp/backup/".$restore->backup_unique_code.
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"/moddata/data/".$old_data_id."/".$old_field_id."/".$old_record_id;
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$todo = check_dir_exists($temp_path);
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}
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//If todo, we create the neccesary dirs in course moddata/data
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if ($status and $todo) {
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//First this data id
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$this_data_path = $data_path."/".$new_data_id;
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$status = check_dir_exists($this_data_path,true);
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//Now this user id
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$this_field_path = $this_data_path."/".$new_field_id;
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$status = check_dir_exists($this_field_path,true);
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$this_record_path = $this_field_path = $this_field_path."/".$new_record_id;
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$status = check_dir_exists($this_record_path,true);
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//And now, copy temp_path to user_data_path
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$status = @backup_copy_file($temp_path, $this_record_path);
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}
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return $status;
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}
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function data_ratings_restore_mods ($oldid, $newid, $info, $rec_info) {
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global $CFG;
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$status = true;
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$ratings= $rec_info['#']['RATINGS']['0']['#']['RATING'];
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if (empty($ratings)) { // no ratings to restore
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return true;
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}
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for ($i = 0; $i < sizeof($ratings); $i++) {
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$rat_info = $ratings[$i];
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$rating -> recordid = $newid;
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$rating -> userid = backup_todb($rat_info['#']['USERID']['0']['#']);
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$rating -> rating = backup_todb($rat_info['#']['RATING']['0']['#']);
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if (! insert_record ("data_ratings",$rating)) {
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$status = false;
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}
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}
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return $status;
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}
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function data_comments_restore_mods ($oldid, $newid, $info, $rec_info) {
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global $CFG;
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$status = true;
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$comments= $rec_info['#']['COMMENTS']['0']['#']['COMMENT'];
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if (empty($comments)) { // no comments to restore
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return true;
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}
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for ($i = 0; $i < sizeof($comments); $i++) {
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$com_info = $comments[$i];
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$comment -> recordid = $newid;
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$comment -> userid = backup_todb($com_info['#']['USERID']['0']['#']);
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$comment -> content = backup_todb($com_info['#']['CONTENT']['0']['#']);
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$comment -> created = backup_todb($com_info['#']['CREATED']['0']['#']);
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$comment -> modified = backup_todb($com_info['#']['MODIFIED']['0']['#']);
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if (! insert_record ("data_comments",$comment)) {
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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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?>
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