mirror_php/moodle
1
0
Fork 0
mirror of https://github.com/moodle/moodle.git synced 2025-03-14 04:30:15 +01:00
Code Issues Projects Releases Wiki Activity

Now quizzes are restored completely.

Browse Source 
Bronken backup compatibility again !!
This commit is contained in:
stronk7 2003-07-03 23:15:18 +00:00
parent 90c2f403e2
commit 39851da158
1 changed files with 171 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

173
backup/mod/quiz/restorelib.php
View File

@ -444,6 +444,9 @@
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($mat_info['#']['ID']['0']['#']);
//Now, build the QUIZ_MATCH_SUB record structure
$match_sub->question = $new_question_id;
$match_sub->questiontext = backup_todb($mat_info['#']['QUESTIONTEXT']['0']['#']);
@ -462,6 +465,9 @@
}
if ($newid) {
//We have the newid, update backup_ids
backup_putid($restore->backup_unique_code,"quiz_match_sub",$oldid,
$newid);
//We have a new match_sub, append it to subquestions_field
if ($in_first) {
$subquestions_field .= $newid;
@ -734,7 +740,171 @@
backup_putid($restore->backup_unique_code,"quiz_attempts",$oldid,
$newid);
//Now process quiz_responses
echo "process responses";
$status = quiz_responses_restore_mods($newid,$att_info,$restore);
} else {
$status = false;
}
}
return $status;
}
//This function restores the quiz_responses
function quiz_responses_restore_mods($attempt_id,$info,$restore) {
global $CFG;
$status = true;
//Get the quiz_responses array
$responses = $info['#']['RESPONSES']['0']['#']['RESPONSE'];
//Iterate over responses
for($i = 0; $i < sizeof($responses); $i++) {
$res_info = $responses[$i];
//traverse_xmlize($res_info); //Debug
//print_object ($GLOBALS['traverse_array']); //Debug
//$GLOBALS['traverse_array']=""; //Debug
//We'll need this later!!
$oldid = backup_todb($res_info['#']['ID']['0']['#']);
//Now, build the RESPONSES record structure
$response->attempt = $attempt_id;
$response->question = backup_todb($res_info['#']['QUESTION']['0']['#']);
$response->answer = backup_todb($res_info['#']['ANSWER']['0']['#']);
$response->grade = backup_todb($res_info['#']['GRADE']['0']['#']);
//We have to recode the question field
$question = backup_getid($restore->backup_unique_code,"quiz_questions",$response->question);
if ($question) {
$response->question = $question->new_id;
}
//We have to recode the answer field
//It depends of the question type !!
//We get the question first
$question = get_record("quiz_questions","id",$response->question);
//It exists
if ($question) {
//Depending of the qtype, we make different recodes
switch ($question->qtype) {
case 1: //SHORTANSWER QTYPE
//Nothing to do. The response is a text.
break;
case 2: //TRUEFALSE QTYPE
//The answer is one answer id. We must recode it
$answer = backup_getid($restore->backup_unique_code,"quiz_answers",$response->answer);
if ($answer) {
$response->answer = $answer->new_id;
}
break;
case 3: //MULTICHOICE QTYPE
//The answer is a comma separated list of answers. We must recode them
$answer_field = "";
$in_first = true;
$tok = strtok($response->answer,",");
while ($tok) {
//Get the answer from backup_ids
$answer = backup_getid($restore->backup_unique_code,"quiz_answers",$tok);
if ($answer) {
if ($in_first) {
$answer_field .= $answer->new_id;
$in_first = false;
} else {
$answer_field .= ",".$answer->new_id;
}
}
//check for next
$tok = strtok(",");
}
$response->answer = $answer_field;
break;
case 4: //RANDOM QTYPE
//The answer links to another question id, we must recode it
$answer_link = backup_getid($restore->backup_unique_code,"quiz_questions",$response->answer);
if ($answer_link) {
$response->answer = $answer_link->new_id;
}
break;
case 5: //MATCH QTYPE
//The answer is a comma separated list of hypen separated math_subs (for question and answer)
$answer_field = "";
$in_first = true;
$tok = strtok($response->answer,",");
while ($tok) {
//Extract the match_sub for the question and the answer
$exploded = explode("-",$tok);
$match_question_id = $exploded[0];
$match_answer_id = $exploded[1];
//Get the match_sub from backup_ids
$match_que = backup_getid($restore->backup_unique_code,"quiz_match_sub",$match_question_id);
//Get the answer from backup_ids
$match_ans = backup_getid($restore->backup_unique_code,"quiz_match_sub",$match_answer_id);
if ($match_que and $match_ans) {
if ($in_first) {
$answer_field .= $match_que->new_id."-".$match_ans->new_id;
$in_first = false;
} else {
$answer_field .= ",".$match_que->new_id."-".$match_ans->new_id;
}
}
//check for next
$tok = strtok(",");
}
$response->answer = $answer_field;
break;
case 6: //RANDOMSAMATCH QTYPE
//The answer is a comma separated list of hypen separated question_id and answer_id. We must recode them
$answer_field = "";
$in_first = true;
$tok = strtok($response->answer,",");
while ($tok) {
//Extract the question_id and the answer_id
$exploded = explode("-",$tok);
$question_id = $exploded[0];
$answer_id = $exploded[1];
//Get the question from backup_ids
$que = backup_getid($restore->backup_unique_code,"quiz_questions",$question_id);
//Get the answer from backup_ids
$ans = backup_getid($restore->backup_unique_code,"quiz_answers",$answer_id);
if ($que and $ans) {
if ($in_first) {
$answer_field .= $que->new_id."-".$ans->new_id;
$in_first = false;
} else {
$answer_field .= ",".$que->new_id."-".$ans->new_id;
}
}
//check for next
$tok = strtok(",");
}
$response->answer = $answer_field;
break;
default: //UNMATCHED QTYPE.
//This is an error (unimplemented qtype)
$status = false;
break;
}
} else {
$status = false;
}
//The structure is equal to the db, so insert the quiz_attempts
$newid = insert_record ("quiz_responses",$response);
//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_responses",$oldid,
$newid);
} else {
$status = false;
}
@ -800,5 +970,4 @@
return $status;
}
?>