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290 lines
11 KiB
PHP
290 lines
11 KiB
PHP
<?PHP //$Id$
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//This php script contains all the stuff to backup/restore
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//survey mods
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//This is the "graphical" structure of the survey mod:
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// --------------------
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// survey | survey_questions |
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// (CL,pk->id) |(CL,pk->id,?????) |
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// | --------------------
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// |
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// -----------------------------------
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// | |
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// survey_analysis survey_answers
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// (UL,pk->id, fk->survey) (UL,pk->id, fk->survey)
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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 survey_restore_mods($mod,$restore) {
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global $CFG,$db;
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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 SURVEY record structure
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$survey->course = $restore->course_id;
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$survey->template = backup_todb($info['MOD']['#']['TEMPLATE']['0']['#']);
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$survey->days = backup_todb($info['MOD']['#']['DAYS']['0']['#']);
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$survey->timecreated = backup_todb($info['MOD']['#']['TIMECREATED']['0']['#']);
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$survey->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
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$survey->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
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$survey->intro = backup_todb($info['MOD']['#']['INTRO']['0']['#']);
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$survey->questions = backup_todb($info['MOD']['#']['QUESTIONS']['0']['#']);
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//The structure is equal to the db, so insert the survey
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$newid = insert_record ("survey",$survey);
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//Do some output
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echo "<ul><li>".get_string("modulename","survey")." \"".$survey->name."\"<br>";
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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['survey']->userinfo) {
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//Restore survey_answers
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$status = survey_answers_restore_mods ($newid,$info,$restore);
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//Restore survey_analysis
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if ($status) {
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$status = survey_analysis_restore_mods ($newid,$info,$restore);
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}
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}
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} else {
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$status = false;
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}
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//Finalize ul
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echo "</ul>";
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} else {
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$status = false;
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}
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return $status;
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}
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//This function restores the survey_answers
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function survey_answers_restore_mods($survey_id,$info,$restore) {
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global $CFG;
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$status = true;
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//Get the answers array
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$answers = $info['MOD']['#']['ANSWERS']['0']['#']['ANSWER'];
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//Iterate over answers
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for($i = 0; $i < sizeof($answers); $i++) {
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$sub_info = $answers[$i];
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//traverse_xmlize($sub_info); //Debug
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//print_object ($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($sub_info['#']['ID']['0']['#']);
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$olduserid = backup_todb($sub_info['#']['USERID']['0']['#']);
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//Now, build the SURVEY_ANSWERS record structure
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$answer->survey = $survey_id;
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$answer->userid = backup_todb($sub_info['#']['USERID']['0']['#']);
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$answer->question = backup_todb($sub_info['#']['QUESTION']['0']['#']);
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$answer->time = backup_todb($sub_info['#']['TIME']['0']['#']);
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$answer->answer1 = backup_todb($sub_info['#']['ANSWER1']['0']['#']);
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$answer->answer2 = backup_todb($sub_info['#']['ANSWER2']['0']['#']);
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//We have to recode the userid field
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$user = backup_getid($restore->backup_unique_code,"user",$answer->userid);
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if ($user) {
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$answer->userid = $user->new_id;
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}
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//The structure is equal to the db, so insert the survey_answers
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$newid = insert_record ("survey_answers",$answer);
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//Do some output
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if (($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($restore->backup_unique_code,"survey_answers",$oldid,
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$newid);
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} else {
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$status = false;
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}
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}
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return $status;
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}
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//This function restores the survey_analysis
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function survey_analysis_restore_mods($survey_id,$info,$restore) {
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global $CFG;
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$status = true;
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//Get the analysis array
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$analysis = $info['MOD']['#']['ANALYSIS']['0']['#']['ANALYS'];
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//Iterate over analysis
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for($i = 0; $i < sizeof($analysis); $i++) {
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$sub_info = $analysis[$i];
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//traverse_xmlize($sub_info); //Debug
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//print_object ($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($sub_info['#']['ID']['0']['#']);
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$olduserid = backup_todb($sub_info['#']['USERID']['0']['#']);
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//Now, build the SURVEY_ANALYSIS record structure
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$analys->survey = $survey_id;
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$analys->userid = backup_todb($sub_info['#']['USERID']['0']['#']);
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$analys->notes = backup_todb($sub_info['#']['NOTES']['0']['#']);
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//We have to recode the userid field
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$user = backup_getid($restore->backup_unique_code,"user",$analys->userid);
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if ($user) {
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$analys->userid = $user->new_id;
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}
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//The structure is equal to the db, so insert the survey_analysis
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$newid = insert_record ("survey_analysis",$analys);
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//Do some output
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if (($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($restore->backup_unique_code,"survey_analysis",$oldid,
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$newid);
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} else {
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$status = false;
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}
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}
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return $status;
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}
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//This function returns a log record with all the necessay transformations
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//done. It's used by restore_log_module() to restore modules log.
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function survey_restore_logs($restore,$log) {
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$status = false;
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//Depending of the action, we recode different things
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switch ($log->action) {
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case "add":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "view.php?id=".$log->cmid;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "submit":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "view.php?id=".$log->cmid;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "update":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "view.php?id=".$log->cmid;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "view form":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "view.php?id=".$log->cmid;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "view graph":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "view.php?id=".$log->cmid;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "view report":
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if ($log->cmid) {
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//Get the new_id of the module (to recode the info field)
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$mod = backup_getid($restore->backup_unique_code,$log->module,$log->info);
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if ($mod) {
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$log->url = "report.php?id=".$log->cmid;
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$log->info = $mod->new_id;
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$status = true;
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}
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}
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break;
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case "view all":
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$log->url = "index.php?id=".$log->course;
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$status = true;
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break;
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default:
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echo "action (".$log->module."-".$log->action.") unknow. Not restored<br>"; //Debug
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break;
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}
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if ($status) {
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$status = $log;
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}
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return $status;
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}
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?>
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