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Now quizzes are in backup.

Only STEP 2. Read comments in source !!!
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1 parent a5f25c0 commit a94891a727a25440c3959809c13c868c53ae08bd stronk7 committed
Showing with 210 additions and 5 deletions.
  1. +210 −5 backup/mod/quiz/backuplib.php
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215 backup/mod/quiz/backuplib.php
@@ -13,8 +13,8 @@
// | | | |
// | | | |
// | | | |
- // quiz_attemps quiz_grades quiz_question_grades |
- // (UL,pk->id, fk->quiz) (UL,pk->id,fk->quiz) (UL,pk->id,fk->quiz) |
+ // quiz_attempts quiz_grades quiz_question_grades |
+ // (UL,pk->id, fk->quiz) (UL,pk->id,fk->quiz) (CL,pk->id,fk->quiz) |
// | | |
// | | |
// | | |
@@ -50,12 +50,217 @@
//THIS MOD BACKUP NEEDS TO USE THE mdl_backup_ids TABLE
- function quiz_backup_mods($course,$user_data=false,$backup_unique_code) {
- print "hola";
+ //This module is special, because we make the backup in two steps:
+ // 1.-We backup every category and their questions (complete structure). It includes this tables:
+ // - quiz_categories
+ // - quiz_questions
+ // - quiz_truefalse
+ // - quiz_shortanswer
+ // - quiz_multichoice
+ // - quiz_randomsamatch
+ // - quiz_match
+ // - quiz_match_sub
+ // - quiz_answers
+ // All this backup info have its own section in moodle.xml (QUESTION_CATEGORIES) and it's generated
+ // before every module backup standard invocation. And only if to backup quizzes has been selected !!
+ // It's invoked with quiz_backup_question_categories. (course independent).
+
+ // 2.-Standard module backup (Invoked via quiz_backup_mods). It includes this tables:
+ // - quiz
+ // - quiz_question_grades
+ // - quiz_attempts
+ // - quiz_grades
+ // - quiz_responses
+ // This step is the standard mod backup. (course dependent).
+
+ //STEP 1. Backup categories/questions and associated structures
+ // (course independent)
+ function quiz_backup_question_categories($bf,$preferences) {
+
+ }
+
+ //STEP 2. Backup quizzes and associated structures
+ // (course dependent)
+ function quiz_backup_mods($bf,$preferences) {
+
+ global $CFG;
+
+ $status = true;
+
+ //Iterate over quiz table
+ $quizzes = get_records ("quiz","course",$preferences->backup_course,"id");
+ if ($quizzes) {
+ foreach ($quizzes as $quiz) {
+ //Start mod
+ fwrite ($bf,start_tag("MOD",3,true));
+ //Print quiz data
+ fwrite ($bf,full_tag("ID",4,false,$quiz->id));
+ fwrite ($bf,full_tag("MODTYPE",4,false,"quiz"));
+ fwrite ($bf,full_tag("NAME",4,false,$quiz->name));
+ fwrite ($bf,full_tag("INTRO",4,false,$quiz->intro));
+ fwrite ($bf,full_tag("TIMEOPEN",4,false,$quiz->timeopen));
+ fwrite ($bf,full_tag("TIMECLOSE",4,false,$quiz->timeclose));
+ fwrite ($bf,full_tag("ATTEMPTS",4,false,$quiz->attempts));
+ fwrite ($bf,full_tag("FEEDBACK",4,false,$quiz->feedback));
+ fwrite ($bf,full_tag("CORRECTANSWERS",4,false,$quiz->correctanswers));
+ fwrite ($bf,full_tag("GRADEMETHOD",4,false,$quiz->grademethod));
+ fwrite ($bf,full_tag("REVIEW",4,false,$quiz->review));
+ fwrite ($bf,full_tag("SHUFFLEQUESTIONS",4,false,$quiz->shufflequestions));
+ fwrite ($bf,full_tag("SHUFFLEANSWERS",4,false,$quiz->shuffleanswers));
+ fwrite ($bf,full_tag("QUESTIONS",4,false,$quiz->questions));
+ fwrite ($bf,full_tag("SUMGRADES",4,false,$quiz->sumgrades));
+ fwrite ($bf,full_tag("GRADE",4,false,$quiz->grade));
+ fwrite ($bf,full_tag("TIMECREATED",4,false,$quiz->timecreated));
+ fwrite ($bf,full_tag("TIMEMODIFIED",4,false,$quiz->timemodified));
+ //Now we print to xml question_grades (Course Level)
+ $status = backup_quiz_question_grades($bf,$preferences,$quiz->id);
+ //if we've selected to backup users info, then execute:
+ // - backup_quiz_grades
+ // - backup_quiz_attempts
+ if ($preferences->mods["quiz"]->userinfo and $status) {
+ $status = backup_quiz_grades($bf,$preferences,$quiz->id);
+ if ($status) {
+ $status = backup_quiz_attempts($bf,$preferences,$quiz->id);
+ }
+ }
+ //End mod
+ $status =fwrite ($bf,end_tag("MOD",3,true));
+ }
+ }
+ return $status;
+ }
+
+ //Backup quiz_question_grades contents (executed from quiz_backup_mods)
+ function backup_quiz_question_grades ($bf,$preferences,$quiz) {
+
+ global $CFG;
+
+ $status = true;
+
+ $quiz_question_grades = get_records("quiz_question_grades","quiz",$quiz,"id");
+ //If there are question_grades
+ if ($quiz_question_grades) {
+ //Write start tag
+ $status =fwrite ($bf,start_tag("QUESTION_GRADES",4,true));
+ //Iterate over each question_grade
+ foreach ($quiz_question_grades as $que_gra) {
+ //Start question grade
+ $status =fwrite ($bf,start_tag("QUESTION_GRADE",5,true));
+ //Print question_grade contents
+ fwrite ($bf,full_tag("ID",6,false,$que_gra->id));
+ fwrite ($bf,full_tag("QUESTION",6,false,$que_gra->question));
+ fwrite ($bf,full_tag("GRADE",6,false,$que_gra->grade));
+ //End question grade
+ $status =fwrite ($bf,end_tag("QUESTION_GRADE",5,true));
+ }
+ //Write end tag
+ $status =fwrite ($bf,end_tag("QUESTION_GRADES",4,true));
+ }
+ return $status;
+ }
+
+ //Backup quiz_grades contents (executed from quiz_backup_mods)
+ function backup_quiz_grades ($bf,$preferences,$quiz) {
+
+ global $CFG;
+
+ $status = true;
+
+ $quiz_grades = get_records("quiz_grades","quiz",$quiz,"id");
+ //If there are grades
+ if ($quiz_grades) {
+ //Write start tag
+ $status =fwrite ($bf,start_tag("GRADES",4,true));
+ //Iterate over each grade
+ foreach ($quiz_grades as $gra) {
+ //Start grade
+ $status =fwrite ($bf,start_tag("GRADE",5,true));
+ //Print grade contents
+ fwrite ($bf,full_tag("ID",6,false,$gra->id));
+ fwrite ($bf,full_tag("USERID",6,false,$gra->userid));
+ fwrite ($bf,full_tag("GRADE",6,false,$gra->grade));
+ fwrite ($bf,full_tag("TIMEMODIFIED",6,false,$gra->timemodified));
+ //End question grade
+ $status =fwrite ($bf,end_tag("GRADE",5,true));
+ }
+ //Write end tag
+ $status =fwrite ($bf,end_tag("GRADES",4,true));
+ }
+ return $status;
+ }
+
+ //Backup quiz_attempts contents (executed from quiz_backup_mods)
+ function backup_quiz_attempts ($bf,$preferences,$quiz) {
+
+ global $CFG;
+
+ $status = true;
+
+ $quiz_attempts = get_records("quiz_attempts","quiz",$quiz,"id");
+ //If there are attempts
+ if ($quiz_attempts) {
+ //Write start tag
+ $status =fwrite ($bf,start_tag("ATTEMPTS",4,true));
+ //Iterate over each attempt
+ foreach ($quiz_attempts as $attempt) {
+ //Start attempt
+ $status =fwrite ($bf,start_tag("ATTEMPT",5,true));
+ //Print attempt contents
+ fwrite ($bf,full_tag("ID",6,false,$attempt->id));
+ fwrite ($bf,full_tag("USERID",6,false,$attempt->userid));
+ fwrite ($bf,full_tag("ATTEMPT",6,false,$attempt->attempt));
+ fwrite ($bf,full_tag("SUMGRADES",6,false,$attempt->sumgrades));
+ fwrite ($bf,full_tag("TIMESTART",6,false,$attempt->timestart));
+ fwrite ($bf,full_tag("TIMEFINISH",6,false,$attempt->timefinish));
+ fwrite ($bf,full_tag("TIMEMODIFIED",6,false,$attempt->timemodified));
+ //Now write to xml the responses (in this attempt)
+ $status = backup_quiz_responses ($bf,$preferences,$attempt->id);
+ //End attempt
+ $status =fwrite ($bf,end_tag("ATTEMPT",5,true));
+ }
+ //Write end tag
+ $status =fwrite ($bf,end_tag("ATTEMPTS",4,true));
+ }
+ return $status;
+ }
+
+ //Backup quiz_responses contents (executed from backup_quiz_attempts)
+ function backup_quiz_responses ($bf,$preferences,$attempt) {
+
+ global $CFG;
+
+ $status = true;
+
+ $quiz_responses = get_records("quiz_responses","attempt",$attempt,"id");
+ //If there are responses
+ if ($quiz_responses) {
+ //Write start tag
+ $status =fwrite ($bf,start_tag("RESPONSES",6,true));
+ //Iterate over each response
+ foreach ($quiz_responses as $response) {
+ //Start response
+ $status =fwrite ($bf,start_tag("RESPONSE",7,true));
+ //Print response contents
+ fwrite ($bf,full_tag("ID",8,false,$response->id));
+ fwrite ($bf,full_tag("QUESTION",8,false,$response->question));
+ fwrite ($bf,full_tag("ANSWER",8,false,$response->answer));
+ fwrite ($bf,full_tag("GRADE",8,false,$response->grade));
+ //End response
+ $status =fwrite ($bf,end_tag("RESPONSE",7,true));
+ }
+ //Write end tag
+ $status =fwrite ($bf,end_tag("RESPONSES",6,true));
+ }
+ return $status;
}
+
+
+
+
+
////Return an array of info (name,value)
- function NO_quiz_check_backup_mods($course,$user_data=false,$backup_unique_code) {
+ function quiz_check_backup_mods($course,$user_data=false,$backup_unique_code) {
//Deletes data from mdl_backup_ids (categories section)
delete_category_ids ($backup_unique_code);
//Create date into mdl_backup_ids (categories section)

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