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Now, at backup time (not restore yet):

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- quiz_questions->hidden
- quiz_responses->originalquestion
- quiz_question_version table
are properly exported. Restore code coming soon.
This commit is contained in:
stronk7 2005-03-20 20:00:43 +00:00
parent 9d5ef89280
commit e4acc4ce48
2 changed files with 74 additions and 20 deletions
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52
mod/quiz/backuplib.php
View File

@ -9,16 +9,16 @@
// quiz quiz_categories
// (CL,pk->id) (CL,pk->id)
// | |
// ----------------------------------------------- |
// | | | |.......................................
// | | | | .
// | | | | .
// quiz_attempts quiz_grades quiz_question_grades | ----quiz_question_datasets---- .
// (UL,pk->id, fk->quiz) (UL,pk->id,fk->quiz) (CL,pk->id,fk->quiz) | | (CL,pk->id,fk->question, | .
// | | | | fk->dataset_definition) | .
// | | | | | .
// ------------------------------------------------------------------- |
// | | | | |.......................................
// | | | | | .
// | | | | | .
// quiz_attempts quiz_grades quiz_question_grades quiz_question_version | ----quiz_question_datasets---- .
// (UL,pk->id, fk->quiz) (UL,pk->id,fk->quiz) (CL,pk->id,fk->quiz) (CL,pk->id,fk->quiz) | | (CL,pk->id,fk->question, | .
// | | . | | fk->dataset_definition) | .
// | | . | | | .
// | | . | | | .
// | | . | | | .
// quiz_responses | quiz_questions quiz_dataset_definitions
// (UL,pk->id, fk->attempt)----------------------------------------------------(CL,pk->id,fk->category,files) (CL,pk->id,fk->category)
// | |
@ -86,6 +86,7 @@
// 2.-Standard module backup (Invoked via quiz_backup_mods). It includes this tables:
// - quiz
// - quiz_question_version
// - quiz_question_grades
// - quiz_attempts
// - quiz_grades
@ -161,6 +162,7 @@
fwrite ($bf,full_tag("QTYPE",6,false,$question->qtype));
fwrite ($bf,full_tag("STAMP",6,false,$question->stamp));
fwrite ($bf,full_tag("VERSION",6,false,$question->version));
fwrite ($bf,full_tag("HIDDEN",6,false,$question->hidden));
//Now, depending of the qtype, call one function or other
if ($question->qtype == "1") {
$status = quiz_backup_shortanswer($bf,$preferences,$question->id);
@ -598,6 +600,8 @@
fwrite ($bf,full_tag("POPUP",4,false,$quiz->popup));
//Now we print to xml question_grades (Course Level)
$status = backup_quiz_question_grades($bf,$preferences,$quiz->id);
//Now we print to xml question_versions (Course Level)
$status = backup_quiz_question_versions($bf,$preferences,$quiz->id);
//if we've selected to backup users info, then execute:
// - backup_quiz_grades
// - backup_quiz_attempts
@ -643,6 +647,37 @@
return $status;
}
//Backup quiz_question_versions contents (executed from quiz_backup_mods)
function backup_quiz_question_versions ($bf,$preferences,$quiz) {
global $CFG;
$status = true;
$quiz_question_versions = get_records("quiz_question_version","quiz",$quiz,"id");
//If there are question_versions
if ($quiz_question_versions) {
//Write start tag
$status =fwrite ($bf,start_tag("QUESTION_VERSIONS",4,true));
//Iterate over each question_version
foreach ($quiz_question_versions as $que_ver) {
//Start question version
$status =fwrite ($bf,start_tag("QUESTION_VERSION",5,true));
//Print question_version contents
fwrite ($bf,full_tag("ID",6,false,$que_ver->id));
fwrite ($bf,full_tag("OLDQUESTION",6,false,$que_ver->oldquestion));
fwrite ($bf,full_tag("NEWQUESTION",6,false,$que_ver->newquestion));
fwrite ($bf,full_tag("USERID",6,false,$que_ver->userid));
fwrite ($bf,full_tag("TIMESTAMP",6,false,$que_ver->timestamp));
//End question version
$status =fwrite ($bf,end_tag("QUESTION_VERSION",5,true));
}
//Write end tag
$status =fwrite ($bf,end_tag("QUESTION_VERSIONS",4,true));
}
return $status;
}
//Backup quiz_grades contents (executed from quiz_backup_mods)
function backup_quiz_grades ($bf,$preferences,$quiz) {
@ -727,6 +762,7 @@
//Print response contents
fwrite ($bf,full_tag("ID",8,false,$response->id));
fwrite ($bf,full_tag("QUESTION",8,false,$response->question));
fwrite ($bf,full_tag("ORIGINALQUESTION",8,false,$response->originalquestion));
fwrite ($bf,full_tag("ANSWER",8,false,$response->answer));
fwrite ($bf,full_tag("GRADE",8,false,$response->grade));
//End response

22
mod/quiz/lib.php
View File

@ -267,15 +267,33 @@ function quiz_grades($quizid) {
function quiz_get_participants($quizid) {
/// Returns an array of users who have data in a given quiz
/// (users with records in quiz_attempts, students)
/// (users with records in quiz_attempts and quiz_question_versions)
global $CFG;
return get_records_sql("SELECT DISTINCT u.id, u.id
//Get users from attempts
$us_attempts = get_records_sql("SELECT DISTINCT u.id, u.id
FROM {$CFG->prefix}user u,
{$CFG->prefix}quiz_attempts a
WHERE a.quiz = '$quizid' and
u.id = a.userid");
//Get users from question_versions
$us_versions = get_records_sql("SELECT DISTINCT u.id, u.id
FROM {$CFG->prefix}user u,
{$CFG->prefix}quiz_question_version v
WHERE v.quiz = '$quizid' and
u.id = v.userid");
//Add us_versions to us_attempts
if ($us_versions) {
foreach ($us_versions as $us_version) {
$us_attempts[$us_version->id] = $us_version;
}
}
//Return us_attempts array (it contains an array of unique users)
return ($us_attempts);
}
function quiz_refresh_events($courseid = 0) {