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Now, restoring quizzes too (STEP 2).

But incomplete, yet !!
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1 parent 242c6fe commit 4db6f3f46aff5baf3ce54c6702453fa2339429a2 stronk7 committed
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  1. +259 −0 backup/mod/quiz/restorelib.php
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259 backup/mod/quiz/restorelib.php
@@ -539,7 +539,266 @@ function quiz_restore_mods($mod,$restore) {
$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 QUIZ record structure
+ $quiz->course = $restore->course_id;
+ $quiz->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
+ $quiz->intro = backup_todb($info['MOD']['#']['INTRO']['0']['#']);
+ $quiz->timeopen = backup_todb($info['MOD']['#']['TIMEOPEN']['0']['#']);
+ $quiz->timeclose = backup_todb($info['MOD']['#']['TIMECLOSE']['0']['#']);
+ $quiz->attempts = backup_todb($info['MOD']['#']['ATTEMPTS_NUMBER']['0']['#']);
+ $quiz->feedback = backup_todb($info['MOD']['#']['FEEDBACK']['0']['#']);
+ $quiz->correctanswers = backup_todb($info['MOD']['#']['CORRECTANSWERS']['0']['#']);
+ $quiz->grademethod = backup_todb($info['MOD']['#']['GRADEMETHOD']['0']['#']);
+ $quiz->review = backup_todb($info['MOD']['#']['REVIEW']['0']['#']);
+ $quiz->shufflequestions = backup_todb($info['MOD']['#']['SHUFFLEQUESTIONS']['0']['#']);
+ $quiz->shuffleanswers = backup_todb($info['MOD']['#']['SHUFFLEANSWERS']['0']['#']);
+ $quiz->questions = backup_todb($info['MOD']['#']['QUESTIONS']['0']['#']);
+ $quiz->sumgrades = backup_todb($info['MOD']['#']['SUMGRADES']['0']['#']);
+ $quiz->grade = backup_todb($info['MOD']['#']['GRADE']['0']['#']);
+ $quiz->timecreated = backup_todb($info['MOD']['#']['TIMECREATED']['0']['#']);
+ $quiz->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
+
+ //We have to recode the questions field (a list of questions id)
+ //Extracts question id from sequence
+ $questions_field = "";
+ $in_first = true;
+ $tok = strtok($quiz->questions,",");
+ while ($tok) {
+ //Get the question from backup_ids
+ $question = backup_getid($restore->backup_unique_code,"quiz_questions",$tok);
+ if ($question) {
+ if ($in_first) {
+ $questions_field .= $question->new_id;
+ $in_first = false;
+ } else {
+ $questions_field .= ",".$question->new_id;
+ }
+ }
+ //check for next
+ $tok = strtok(",");
+ }
+ //We have the questions field recoded to its new ids
+ $quiz->questions = $questions_field;
+
+ //The structure is equal to the db, so insert the quiz
+ $newid = insert_record ("quiz",$quiz);
+
+ //Do some output
+ echo "<ul><li>Quiz \"".$quiz->name."\"<br>";
+ backup_flush(300);
+
+ if ($newid) {
+ //We have the newid, update backup_ids
+ backup_putid($restore->backup_unique_code,$mod->modtype,
+ $mod->id, $newid);
+ //We have to restore the question_grades now (course level table)
+ $status = quiz_question_grades_restore_mods($newid,$info,$restore);
+ //Now check if want to restore user data and do it.
+ if ($restore->mods[quiz]->userinfo) {
+ //Restore quiz_attempts
+ $status = quiz_attempts_restore_mods ($newid,$info,$restore);
+ if ($status) {
+ //Restore quiz_grades
+ $status = quiz_grades_restore_mods ($newid,$info,$restore);
+ }
+ }
+ } else {
+ $status = false;
+ }
+
+ //Finalize ul
+ echo "</ul>";
+
+ } else {
+ $status = false;
+ }
+
return $status;
}
+ //This function restores the quiz_question_grades
+ function quiz_question_grades_restore_mods($quiz_id,$info,$restore) {
+
+ global $CFG;
+
+ $status = true;
+
+ //Get the quiz_question_grades array
+ $grades = $info['MOD']['#']['QUESTION_GRADES']['0']['#']['QUESTION_GRADE'];
+
+ //Iterate over question_grades
+ for($i = 0; $i < sizeof($grades); $i++) {
+ $gra_info = $grades[$i];
+ //traverse_xmlize($gra_info); //Debug
+ //print_object ($GLOBALS['traverse_array']); //Debug
+ //$GLOBALS['traverse_array']=""; //Debug
+
+ //We'll need this later!!
+ $oldid = backup_todb($gra_info['#']['ID']['0']['#']);
+
+ //Now, build the QUESTION_GRADES record structure
+ $grade->quiz = $quiz_id;
+ $grade->question = backup_todb($gra_info['#']['QUESTION']['0']['#']);
+ $grade->grade = backup_todb($gra_info['#']['GRADE']['0']['#']);
+
+ //We have to recode the question field
+ $question = backup_getid($restore->backup_unique_code,"quiz_questions",$grade->question);
+ if ($question) {
+ $grade->question = $question->new_id;
+ }
+
+ //The structure is equal to the db, so insert the quiz_question_grades
+ $newid = insert_record ("quiz_question_grades",$grade);
+
+ //Do some output
+ if (($i+1) % 10 == 0) {
+ echo ".";
+ if (($i+1) % 200 == 0) {
+ echo "<br>";
+ }
+ backup_flush(300);
+ }
+
+ if ($newid) {
+ //We have the newid, update backup_ids
+ backup_putid($restore->backup_unique_code,"quiz_question_grades",$oldid,
+ $newid);
+ } else {
+ $status = false;
+ }
+ }
+
+ return $status;
+ }
+
+ //This function restores the quiz_attempts
+ function quiz_attempts_restore_mods($quiz_id,$info,$restore) {
+
+ global $CFG;
+
+ $status = true;
+
+ //Get the quiz_attempts array
+ $attempts = $info['MOD']['#']['ATTEMPTS']['0']['#']['ATTEMPT'];
+
+ //Iterate over attempts
+ for($i = 0; $i < sizeof($attempts); $i++) {
+ $att_info = $attempts[$i];
+ //traverse_xmlize($att_info); //Debug
+ //print_object ($GLOBALS['traverse_array']); //Debug
+ //$GLOBALS['traverse_array']=""; //Debug
+
+ //We'll need this later!!
+ $oldid = backup_todb($att_info['#']['ID']['0']['#']);
+ $olduserid = backup_todb($att_info['#']['USERID']['0']['#']);
+
+ //Now, build the ATTEMPTS record structure
+ $attempt->quiz = $quiz_id;
+ $attempt->userid = backup_todb($att_info['#']['USERID']['0']['#']);
+ $attempt->attempt = backup_todb($att_info['#']['ATTEMPTNUM']['0']['#']);
+ $attempt->sumgrades = backup_todb($att_info['#']['SUMGRADES']['0']['#']);
+ $attempt->timestart = backup_todb($att_info['#']['TIMESTART']['0']['#']);
+ $attempt->timefinish = backup_todb($att_info['#']['TIMEFINISH']['0']['#']);
+ $attempt->timemodified = backup_todb($att_info['#']['TIMEMODIFIED']['0']['#']);
+
+ //We have to recode the userid field
+ $user = backup_getid($restore->backup_unique_code,"user",$attempt->userid);
+ if ($user) {
+ $attempt->userid = $user->new_id;
+ }
+
+ //The structure is equal to the db, so insert the quiz_attempts
+ $newid = insert_record ("quiz_attempts",$attempt);
+
+ //Do some output
+ if (($i+1) % 10 == 0) {
+ echo ".";
+ if (($i+1) % 200 == 0) {
+ echo "<br>";
+ }
+ backup_flush(300);
+ }
+
+ if ($newid) {
+ //We have the newid, update backup_ids
+ backup_putid($restore->backup_unique_code,"quiz_attempts",$oldid,
+ $newid);
+ //Now process quiz_responses
+ echo "process responses";
+ } else {
+ $status = false;
+ }
+ }
+
+ return $status;
+ }
+
+ //This function restores the quiz_grades
+ function quiz_grades_restore_mods($quiz_id,$info,$restore) {
+
+ global $CFG;
+
+ $status = true;
+
+ //Get the quiz_grades array
+ $grades = $info['MOD']['#']['GRADES']['0']['#']['GRADE'];
+
+ //Iterate over grades
+ for($i = 0; $i < sizeof($grades); $i++) {
+ $gra_info = $grades[$i];
+ //traverse_xmlize($gra_info); //Debug
+ //print_object ($GLOBALS['traverse_array']); //Debug
+ //$GLOBALS['traverse_array']=""; //Debug
+
+ //We'll need this later!!
+ $oldid = backup_todb($gra_info['#']['ID']['0']['#']);
+ $olduserid = backup_todb($gra_info['#']['USERID']['0']['#']);
+
+ //Now, build the GRADES record structure
+ $grade->quiz = $quiz_id;
+ $grade->userid = backup_todb($gra_info['#']['USERID']['0']['#']);
+ $grade->grade = backup_todb($gra_info['#']['GRADEVAL']['0']['#']);
+ $grade->timemodified = backup_todb($gra_info['#']['TIMEMODIFIED']['0']['#']);
+
+ //We have to recode the userid field
+ $user = backup_getid($restore->backup_unique_code,"user",$grade->userid);
+ if ($user) {
+ $grade->userid = $user->new_id;
+ }
+
+ //The structure is equal to the db, so insert the quiz_grades
+ $newid = insert_record ("quiz_grades",$grade);
+
+ //Do some output
+ if (($i+1) % 10 == 0) {
+ echo ".";
+ if (($i+1) % 200 == 0) {
+ echo "<br>";
+ }
+ backup_flush(300);
+ }
+
+ if ($newid) {
+ //We have the newid, update backup_ids
+ backup_putid($restore->backup_unique_code,"quiz_grades",$oldid,
+ $newid);
+ } else {
+ $status = false;
+ }
+ }
+
+ return $status;
+ }
+
+
?>

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