id) (CL,pk->id) // | | // ------------------------------------------------------------------- | // | | | | |....................................... // | | | | | . // | | | | | . // quiz_attempts quiz_grades quiz_question_grades quiz_question_versions | ----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 | question question_dataset_definitions // (UL,pk->id, fk->attempt)----------------------------------------------------(CL,pk->id,fk->category,files) (CL,pk->id,fk->category) // | | // | | // | | // | question_dataset_items // | (CL,pk->id,fk->definition) // | // | // | // -------------------------------------------------------------------------------------------------------------- // | | | | | | | // | | | | | | | // | | | | question_calculated | | question_randomsamatch // question_truefalse | question_multichoice | (CL,pl->id,fk->question) | |--(CL,pl->id,fk->question) // (CL,pl->id,fk->question) | (CL,pl->id,fk->question) | . | | // . | . | . | | // . question_shortanswer . question_numerical . question_multianswer. | // . (CL,pl->id,fk->question) . (CL,pl->id,fk->question) . (CL,pl->id,fk->question) | question_match // . . . . . . |--(CL,pl->id,fk->question) // . . . . . . | . // . . . . . . | . // . . . . . . | . // . . . . . . | question_match_sub // . . . . . . |--(CL,pl->id,fk->question) // ........................................................................................ | // . | // . | // . | question_numerical_units // question_answers |--(CL,pl->id,fk->question) // (CL,pk->id,fk->question)---------------------------------------------------------- // // Meaning: pk->primary key field of the table // fk->foreign key to link with parent // nt->nested field (recursive data) // CL->course level info // UL->user level info // files->table may have files // //----------------------------------------------------------- //This module is special, because we make the restore in two steps: // 1.-We restore every category and their questions (complete structure). It includes this tables: // - question_categories // - question // - question_truefalse // - question_shortanswer // - question_multianswer // - question_multichoice // - question_numerical // - question_randomsamatch // - question_match // - question_match_sub // - question_calculated // - question_answers // - question_numerical_units // - question_datasets // - question_dataset_definitions // - question_dataset_items // 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 restore quizzes has been selected !! // It's invoked with quiz_restore_question_categories. (course independent). // 2.-Standard module restore (Invoked via quiz_restore_mods). It includes this tables: // - quiz // - quiz_question_versions // - quiz_question_grades // - quiz_attempts // - quiz_grades // - quiz_responses // This step is the standard mod backup. (course dependent). //We are going to nedd quiz libs to be able to mimic the upgrade process require_once("$CFG->dirroot/mod/quiz/locallib.php"); //STEP 1. Restore categories/questions and associated structures // (course independent) function quiz_restore_pre15_question_categories($category,$restore) { global $CFG; $status = true; //Get record from backup_ids $data = backup_getid($restore->backup_unique_code,"question_categories",$category->id); if ($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 question_categories record structure $quiz_cat->course = $restore->course_id; $quiz_cat->name = backup_todb($info['QUESTION_CATEGORY']['#']['NAME']['0']['#']); $quiz_cat->info = backup_todb($info['QUESTION_CATEGORY']['#']['INFO']['0']['#']); $quiz_cat->publish = backup_todb($info['QUESTION_CATEGORY']['#']['PUBLISH']['0']['#']); $quiz_cat->stamp = backup_todb($info['QUESTION_CATEGORY']['#']['STAMP']['0']['#']); $quiz_cat->parent = backup_todb($info['QUESTION_CATEGORY']['#']['PARENT']['0']['#']); $quiz_cat->sortorder = backup_todb($info['QUESTION_CATEGORY']['#']['SORTORDER']['0']['#']); if ($catfound = restore_get_best_question_category($quiz_cat, $restore->course_id)) { $newid = $catfound; } else { if (!$quiz_cat->stamp) { $quiz_cat->stamp = make_unique_id_code(); } $newid = insert_record ("question_categories",$quiz_cat); } //Do some output if ($newid) { if (!defined('RESTORE_SILENTLY')) { echo "
  • ".get_string('category', 'quiz')." \"".$quiz_cat->name."\"
    "; } } else { if (!defined('RESTORE_SILENTLY')) { //We must never arrive here !! echo "
  • ".get_string('category', 'quiz')." \"".$quiz_cat->name."\" Error!
    "; } $status = false; } backup_flush(300); //Here category has been created or selected, so save results in backup_ids and start with questions if ($newid and $status) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,"question_categories", $category->id, $newid); //Now restore question $status = quiz_restore_pre15_questions ($category->id, $newid,$info,$restore); } else { $status = false; } if (!defined('RESTORE_SILENTLY')) { echo '
  • '; } } return $status; } function quiz_restore_pre15_questions ($old_category_id,$new_category_id,$info,$restore) { global $CFG; $status = true; //Get the questions array $questions = $info['QUESTION_CATEGORY']['#']['QUESTIONS']['0']['#']['QUESTION']; //Iterate over questions for($i = 0; $i < sizeof($questions); $i++) { $question = new object; $que_info = $questions[$i]; //traverse_xmlize($que_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //We'll need this later!! $oldid = backup_todb($que_info['#']['ID']['0']['#']); //Now, build the question record structure $question->category = $new_category_id; $question->parent = backup_todb($que_info['#']['PARENT']['0']['#']); $question->name = backup_todb($que_info['#']['NAME']['0']['#']); $question->questiontext = backup_todb($que_info['#']['QUESTIONTEXT']['0']['#']); $question->questiontextformat = backup_todb($que_info['#']['QUESTIONTEXTFORMAT']['0']['#']); $question->image = backup_todb($que_info['#']['IMAGE']['0']['#']); $question->defaultgrade = backup_todb($que_info['#']['DEFAULTGRADE']['0']['#']); if (isset($que_info['#']['PENALTY']['0']['#'])) { //Only if it's set, to apply DB default else. $question->penalty = backup_todb($que_info['#']['PENALTY']['0']['#']); } $question->qtype = backup_todb($que_info['#']['QTYPE']['0']['#']); if (isset($que_info['#']['LENGTH']['0']['#'])) { //Only if it's set, to apply DB default else. $question->length = backup_todb($que_info['#']['LENGTH']['0']['#']); } $question->stamp = backup_todb($que_info['#']['STAMP']['0']['#']); if (isset($que_info['#']['VERSION']['0']['#'])) { //Only if it's set, to apply DB default else. $question->version = backup_todb($que_info['#']['VERSION']['0']['#']); } if (isset($que_info['#']['HIDDEN']['0']['#'])) { //Only if it's set, to apply DB default else. $question->hidden = backup_todb($que_info['#']['HIDDEN']['0']['#']); } //Although only a few backups can have questions with parent, we try to recode it //if it contains something if ($question->parent and $parent = backup_getid($restore->backup_unique_code,"question",$question->parent)) { $question->parent = $parent->new_id; } // If it is a random question then hide it if ($question->qtype == RANDOM) { $question->hidden = 1; } //If it is a description question, length = 0 if ($question->qtype == DESCRIPTION) { $question->length = 0; } //Check if the question exists //by category and stamp $question_exists = get_record ("question","category",$question->category, "stamp",$question->stamp); //If the stamp doesn't exists, check if question exists //by category, name and questiontext and calculate stamp //Mantains pre Beta 1.1 compatibility !! if (!$question->stamp) { $question->stamp = make_unique_id_code(); $question->version = 1; $question_exists = get_record ("question","category",$question->category, "name",$question->name, "questiontext",$question->questiontext); } //If the question exists, only record its id if ($question_exists) { $newid = $question_exists->id; $creatingnewquestion = false; //Else, create a new question } else { //The structure is equal to the db, so insert the question $newid = insert_record ("question",$question); //If it is a random question, parent = id if ($newid && $question->qtype == RANDOM) { set_field ('question', 'parent', $newid, 'id', $newid); } $creatingnewquestion = true; } //Do some output if (($i+1) % 2 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 40 == 0) { echo "
    "; } } backup_flush(300); } //Save newid to backup tables if ($newid) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,"question",$oldid, $newid); } //If it's a new question in the DB, restore it if ($creatingnewquestion) { //Now, restore every question_answers in this question $status = quiz_restore_pre15_answers($oldid,$newid,$que_info,$restore); //Now, depending of the type of questions, invoke different functions if ($question->qtype == "1") { $status = quiz_restore_pre15_shortanswer($oldid,$newid,$que_info,$restore); } else if ($question->qtype == "2") { $status = quiz_restore_pre15_truefalse($oldid,$newid,$que_info,$restore); } else if ($question->qtype == "3") { $status = quiz_restore_pre15_multichoice($oldid,$newid,$que_info,$restore); } else if ($question->qtype == "4") { //Random question. Nothing to do. } else if ($question->qtype == "5") { $status = quiz_restore_pre15_match($oldid,$newid,$que_info,$restore); } else if ($question->qtype == "6") { $status = quiz_restore_pre15_randomsamatch($oldid,$newid,$que_info,$restore); } else if ($question->qtype == "7") { //Description question. Nothing to do. } else if ($question->qtype == "8") { $status = quiz_restore_pre15_numerical($oldid,$newid,$que_info,$restore); } else if ($question->qtype == "9") { $status = quiz_restore_pre15_multianswer($oldid,$newid,$que_info,$restore); } else if ($question->qtype == "10") { $status = quiz_restore_pre15_calculated($oldid,$newid,$que_info,$restore); } } else { //We are NOT creating the question, but we need to know every question_answers //map between the XML file and the database to be able to restore the responses //in each attempt. $status = quiz_restore_pre15_map_answers($oldid,$newid,$que_info,$restore); //Now, depending of the type of questions, invoke different functions //to create the necessary mappings in backup_ids, because we are not //creating the question, but need some records in backup table if ($question->qtype == "1") { //Shortanswer question. Nothing to remap } else if ($question->qtype == "2") { //Truefalse question. Nothing to remap } else if ($question->qtype == "3") { //Multichoice question. Nothing to remap } else if ($question->qtype == "4") { //Random question. Nothing to remap } else if ($question->qtype == "5") { $status = quiz_restore_pre15_map_match($oldid,$newid,$que_info,$restore); } else if ($question->qtype == "6") { //Randomsamatch question. Nothing to remap } else if ($question->qtype == "7") { //Description question. Nothing to remap } else if ($question->qtype == "8") { //Numerical question. Nothing to remap } else if ($question->qtype == "9") { //Multianswer question. Nothing to remap } else if ($question->qtype == "10") { //Calculated question. Nothing to remap } } } return $status; } function quiz_restore_pre15_answers ($old_question_id,$new_question_id,$info,$restore) { global $CFG; $status = true; //Get the answers array if (isset($info['#']['ANSWERS']['0']['#']['ANSWER'])) { $answers = $info['#']['ANSWERS']['0']['#']['ANSWER']; //Iterate over answers for($i = 0; $i < sizeof($answers); $i++) { $ans_info = $answers[$i]; //traverse_xmlize($ans_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //We'll need this later!! $oldid = backup_todb($ans_info['#']['ID']['0']['#']); //Now, build the question_answers record structure $answer->question = $new_question_id; $answer->answer = backup_todb($ans_info['#']['ANSWER_TEXT']['0']['#']); $answer->fraction = backup_todb($ans_info['#']['FRACTION']['0']['#']); $answer->feedback = backup_todb($ans_info['#']['FEEDBACK']['0']['#']); //The structure is equal to the db, so insert the question_answers $newid = insert_record ("question_answers",$answer); //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } if ($newid) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,"question_answers",$oldid, $newid); } else { $status = false; } } } return $status; } function quiz_restore_pre15_map_answers ($old_question_id,$new_question_id,$info,$restore) { global $CFG; $status = true; if (!isset($info['#']['ANSWERS'])) { // No answers in this question (eg random) return $status; } //Get the answers array $answers = $info['#']['ANSWERS']['0']['#']['ANSWER']; //Iterate over answers for($i = 0; $i < sizeof($answers); $i++) { $ans_info = $answers[$i]; //traverse_xmlize($ans_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //We'll need this later!! $oldid = backup_todb($ans_info['#']['ID']['0']['#']); //Now, build the question_answers record structure $answer->question = $new_question_id; $answer->answer = backup_todb($ans_info['#']['ANSWER_TEXT']['0']['#']); $answer->fraction = backup_todb($ans_info['#']['FRACTION']['0']['#']); $answer->feedback = backup_todb($ans_info['#']['FEEDBACK']['0']['#']); //If we are in this method is because the question exists in DB, so its //answers must exist too. //Now, we are going to look for that answer in DB and to create the //mappings in backup_ids to use them later where restoring responses (user level). //Get the answer from DB (by question, answer and fraction) $db_answer = get_record ("question_answers","question",$new_question_id, "answer",$answer->answer, "fraction",$answer->fraction); //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } if ($db_answer) { //We have the database answer, update backup_ids backup_putid($restore->backup_unique_code,"question_answers",$oldid, $db_answer->id); } else { $status = false; } } return $status; } function quiz_restore_pre15_shortanswer ($old_question_id,$new_question_id,$info,$restore,$restrictto = '') { global $CFG; $status = true; //Get the shortanswers array $shortanswers = $info['#']['SHORTANSWER']; //Iterate over shortanswers for($i = 0; $i < sizeof($shortanswers); $i++) { $sho_info = $shortanswers[$i]; //traverse_xmlize($sho_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //Now, build the question_shortanswer record structure $shortanswer->question = $new_question_id; $shortanswer->answers = backup_todb($sho_info['#']['ANSWERS']['0']['#']); $shortanswer->usecase = backup_todb($sho_info['#']['USECASE']['0']['#']); //We have to recode the answers field (a list of answers id) //Extracts answer id from sequence $answers_field = ""; $in_first = true; $tok = strtok($shortanswer->answers,","); while ($tok) { //Get the answer from backup_ids $answer = backup_getid($restore->backup_unique_code,"question_answers",$tok); if ($answer) { if ($in_first) { $answers_field .= $answer->new_id; $in_first = false; } else { $answers_field .= ",".$answer->new_id; } } //check for next $tok = strtok(","); } //We have the answers field recoded to its new ids $shortanswer->answers = $answers_field; //The structure is equal to the db, so insert the question_shortanswer //Only if there aren't restrictions or there are restriction concordance if (empty($restrictto) || (!empty($restrictto) && $shortanswer->answers == $restrictto)) { $newid = insert_record ("question_shortanswer",$shortanswer); } //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } if (!$newid && !$restrictto) { $status = false; } } return $status; } function quiz_restore_pre15_truefalse ($old_question_id,$new_question_id,$info,$restore) { global $CFG; $status = true; //Get the truefalse array $truefalses = $info['#']['TRUEFALSE']; //Iterate over truefalse for($i = 0; $i < sizeof($truefalses); $i++) { $tru_info = $truefalses[$i]; //traverse_xmlize($tru_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //Now, build the question_truefalse record structure $truefalse->question = $new_question_id; $truefalse->trueanswer = backup_todb($tru_info['#']['TRUEANSWER']['0']['#']); $truefalse->falseanswer = backup_todb($tru_info['#']['FALSEANSWER']['0']['#']); ////We have to recode the trueanswer field $answer = backup_getid($restore->backup_unique_code,"question_answers",$truefalse->trueanswer); if ($answer) { $truefalse->trueanswer = $answer->new_id; } ////We have to recode the falseanswer field $answer = backup_getid($restore->backup_unique_code,"question_answers",$truefalse->falseanswer); if ($answer) { $truefalse->falseanswer = $answer->new_id; } //The structure is equal to the db, so insert the question_truefalse $newid = insert_record ("question_truefalse",$truefalse); //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } if (!$newid) { $status = false; } } return $status; } function quiz_restore_pre15_multichoice ($old_question_id,$new_question_id,$info,$restore, $restrictto = '') { global $CFG; $status = true; //Get the multichoices array $multichoices = $info['#']['MULTICHOICE']; //Iterate over multichoices for($i = 0; $i < sizeof($multichoices); $i++) { $mul_info = $multichoices[$i]; //traverse_xmlize($mul_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //Now, build the question_multichoice record structure $multichoice->question = $new_question_id; $multichoice->layout = backup_todb($mul_info['#']['LAYOUT']['0']['#']); $multichoice->answers = backup_todb($mul_info['#']['ANSWERS']['0']['#']); $multichoice->single = backup_todb($mul_info['#']['SINGLE']['0']['#']); //We have to recode the answers field (a list of answers id) //Extracts answer id from sequence $answers_field = ""; $in_first = true; $tok = strtok($multichoice->answers,","); while ($tok) { //Get the answer from backup_ids $answer = backup_getid($restore->backup_unique_code,"question_answers",$tok); if ($answer) { if ($in_first) { $answers_field .= $answer->new_id; $in_first = false; } else { $answers_field .= ",".$answer->new_id; } } //check for next $tok = strtok(","); } //We have the answers field recoded to its new ids $multichoice->answers = $answers_field; //The structure is equal to the db, so insert the question_shortanswer //Only if there aren't restrictions or there are restriction concordance if (empty($restrictto) || (!empty($restrictto) && $multichoice->answers == $restrictto)) { $newid = insert_record ("question_multichoice",$multichoice); } //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } if (!$newid && !$restrictto) { $status = false; } } return $status; } function quiz_restore_pre15_match ($old_question_id,$new_question_id,$info,$restore) { global $CFG; $status = true; //Get the matchs array $matchs = $info['#']['MATCHS']['0']['#']['MATCH']; //We have to build the subquestions field (a list of match_sub id) $subquestions_field = ""; $in_first = true; //Iterate over matchs for($i = 0; $i < sizeof($matchs); $i++) { $mat_info = $matchs[$i]; //traverse_xmlize($mat_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //We'll need this later!! $oldid = backup_todb($mat_info['#']['ID']['0']['#']); //Now, build the question_match_SUB record structure $match_sub->question = $new_question_id; $match_sub->questiontext = backup_todb($mat_info['#']['QUESTIONTEXT']['0']['#']); $match_sub->answertext = backup_todb($mat_info['#']['ANSWERTEXT']['0']['#']); //The structure is equal to the db, so insert the question_match_sub $newid = insert_record ("question_match_sub",$match_sub); //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } if ($newid) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,"question_match_sub",$oldid, $newid); //We have a new match_sub, append it to subquestions_field if ($in_first) { $subquestions_field .= $newid; $in_first = false; } else { $subquestions_field .= ",".$newid; } } else { $status = false; } } //We have created every match_sub, now create the match $match->question = $new_question_id; $match->subquestions = $subquestions_field; //The structure is equal to the db, so insert the question_match_sub $newid = insert_record ("question_match",$match); if (!$newid) { $status = false; } return $status; } function quiz_restore_pre15_map_match ($old_question_id,$new_question_id,$info,$restore) { global $CFG; $status = true; //Get the matchs array $matchs = $info['#']['MATCHS']['0']['#']['MATCH']; //We have to build the subquestions field (a list of match_sub id) $subquestions_field = ""; $in_first = true; //Iterate over matchs for($i = 0; $i < sizeof($matchs); $i++) { $mat_info = $matchs[$i]; //traverse_xmlize($mat_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //We'll need this later!! $oldid = backup_todb($mat_info['#']['ID']['0']['#']); //Now, build the question_match_SUB record structure $match_sub->question = $new_question_id; $match_sub->questiontext = backup_todb($mat_info['#']['QUESTIONTEXT']['0']['#']); $match_sub->answertext = backup_todb($mat_info['#']['ANSWERTEXT']['0']['#']); //If we are in this method is because the question exists in DB, so its //match_sub must exist too. //Now, we are going to look for that match_sub in DB and to create the //mappings in backup_ids to use them later where restoring responses (user level). //Get the match_sub from DB (by question, questiontext and answertext) $db_match_sub = get_record ("question_match_sub","question",$new_question_id, "questiontext",$match_sub->questiontext, "answertext",$match_sub->answertext); //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } //We have the database match_sub, so update backup_ids if ($db_match_sub) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,"question_match_sub",$oldid, $db_match_sub->id); } else { $status = false; } } return $status; } function quiz_restore_pre15_randomsamatch ($old_question_id,$new_question_id,$info,$restore) { global $CFG; $status = true; //Get the randomsamatchs array $randomsamatchs = $info['#']['RANDOMSAMATCH']; //Iterate over randomsamatchs for($i = 0; $i < sizeof($randomsamatchs); $i++) { $ran_info = $randomsamatchs[$i]; //traverse_xmlize($ran_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //Now, build the question_randomsamatch record structure $randomsamatch->question = $new_question_id; $randomsamatch->choose = backup_todb($ran_info['#']['CHOOSE']['0']['#']); //The structure is equal to the db, so insert the question_randomsamatch $newid = insert_record ("question_randomsamatch",$randomsamatch); //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } if (!$newid) { $status = false; } } return $status; } function quiz_restore_pre15_numerical ($old_question_id,$new_question_id,$info,$restore, $restrictto = '') { global $CFG; $status = true; //Get the numerical array $numericals = $info['#']['NUMERICAL']; //Iterate over numericals for($i = 0; $i < sizeof($numericals); $i++) { $num_info = $numericals[$i]; //traverse_xmlize($num_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //Now, build the question_numerical record structure $numerical->question = $new_question_id; $numerical->answer = backup_todb($num_info['#']['ANSWER']['0']['#']); $numerical->min = backup_todb($num_info['#']['MIN']['0']['#']); $numerical->max = backup_todb($num_info['#']['MAX']['0']['#']); ////We have to recode the answer field $answer = backup_getid($restore->backup_unique_code,"question_answers",$numerical->answer); if ($answer) { $numerical->answer = $answer->new_id; } //Answer goes to answers in 1.5 (although it continues being only one!) //Changed 12-05 (chating with Gustav and Julian this remains = pre15 = answer) //$numerical->answers = $numerical->answer; //We have to calculate the tolerance field of the numerical question $numerical->tolerance = ($numerical->max - $numerical->min)/2; //The structure is equal to the db, so insert the question_numerical //Only if there aren't restrictions or there are restriction concordance if (empty($restrictto) || (!empty($restrictto) && in_array($numerical->answer,explode(",",$restrictto)))) { $newid = insert_record ("question_numerical",$numerical); } //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } //Now restore numerical_units if ($newid) { $status = quiz_restore_pre15_numerical_units ($old_question_id,$new_question_id,$num_info,$restore); } if (!$newid && !$restrictto) { $status = false; } } return $status; } function quiz_restore_pre15_calculated ($old_question_id,$new_question_id,$info,$restore) { global $CFG; $status = true; //Get the calculated-s array $calculateds = $info['#']['CALCULATED']; //Iterate over calculateds for($i = 0; $i < sizeof($calculateds); $i++) { $cal_info = $calculateds[$i]; //traverse_xmlize($cal_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //Now, build the question_calculated record structure $calculated->question = $new_question_id; $calculated->answer = backup_todb($cal_info['#']['ANSWER']['0']['#']); $calculated->tolerance = backup_todb($cal_info['#']['TOLERANCE']['0']['#']); $calculated->tolerancetype = backup_todb($cal_info['#']['TOLERANCETYPE']['0']['#']); $calculated->correctanswerlength = backup_todb($cal_info['#']['CORRECTANSWERLENGTH']['0']['#']); $calculated->correctanswerformat = backup_todb($cal_info['#']['CORRECTANSWERFORMAT']['0']['#']); ////We have to recode the answer field $answer = backup_getid($restore->backup_unique_code,"question_answers",$calculated->answer); if ($answer) { $calculated->answer = $answer->new_id; } //If we haven't correctanswerformat, it defaults to 2 (in DB) if (empty($calculated->correctanswerformat)) { $calculated->correctanswerformat = 2; } //The structure is equal to the db, so insert the question_calculated $newid = insert_record ("question_calculated",$calculated); //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } //Now restore numerical_units $status = quiz_restore_pre15_numerical_units ($old_question_id,$new_question_id,$cal_info,$restore); //Now restore dataset_definitions if ($status && $newid) { $status = quiz_restore_pre15_dataset_definitions ($old_question_id,$new_question_id,$cal_info,$restore); } if (!$newid) { $status = false; } } return $status; } function quiz_restore_pre15_multianswer ($old_question_id,$new_question_id,$info,$restore) { global $CFG; $status = true; //We need some question fields here so we get the full record from DB $parentquestion = get_record('question','id',$new_question_id); //We need to store all the positions with their created questions //to be able to calculate the sequence field $createdquestions = array(); //Under 1.5, every multianswer record becomes a question itself //with its parent set to the cloze question. And there is only //ONE multianswer record with the sequence of questions used. //Get the multianswers array $multianswers_array = $info['#']['MULTIANSWERS']['0']['#']['MULTIANSWER']; //Iterate over multianswers_array for($i = 0; $i < sizeof($multianswers_array); $i++) { $mul_info = $multianswers_array[$i]; //traverse_xmlize($mul_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //We need this later $oldid = backup_todb($mul_info['#']['ID']['0']['#']); //Now, build the question_multianswer record structure $multianswer->question = $new_question_id; $multianswer->answers = backup_todb($mul_info['#']['ANSWERS']['0']['#']); $multianswer->positionkey = backup_todb($mul_info['#']['POSITIONKEY']['0']['#']); $multianswer->answertype = backup_todb($mul_info['#']['ANSWERTYPE']['0']['#']); $multianswer->norm = backup_todb($mul_info['#']['NORM']['0']['#']); //Saving multianswer and positionkey to use them later restoring states backup_putid ($restore->backup_unique_code,'multianswer-pos',$oldid,$multianswer->positionkey); //We have to recode all the answers to their new ids $ansarr = explode(",", $multianswer->answers); foreach ($ansarr as $key => $value) { //Get the answer from backup_ids $answer = backup_getid($restore->backup_unique_code,'question_answers',$value); $ansarr[$key] = $answer->new_id; } $multianswer->answers = implode(",",$ansarr); //Build the new question structure $question = new object; $question->category = $parentquestion->category; $question->parent = $parentquestion->id; $question->name = $parentquestion->name; $question->questiontextformat = $parentquestion->questiontextformat; $question->defaultgrade = $multianswer->norm; $question->penalty = $parentquestion->penalty; $question->qtype = $multianswer->answertype; $question->version = $parentquestion->version; $question->hidden = $parentquestion->hidden; $question->length = 0; $question->questiontext = ''; $question->stamp = make_unique_id_code(); //Save the new question to DB $newid = insert_record('question', $question); if ($newid) { $createdquestions[$multianswer->positionkey] = $newid; } //Do some output if (($i+1) % 50 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 1000 == 0) { echo "
    "; } } backup_flush(300); } //Remap question_answers records from the original multianswer question //to their newly created question if ($newid) { $answersdb = get_records_list('question_answers','id',$multianswer->answers); foreach ($answersdb as $answerdb) { set_field('question_answers','question',$newid,'id',$answerdb->id); } } //If we have created the question record, now, depending of the //answertype, delegate the restore to every qtype function if ($newid) { if ($multianswer->answertype == "1") { $status = quiz_restore_pre15_shortanswer ($old_question_id,$newid,$mul_info,$restore,$multianswer->answers); } else if ($multianswer->answertype == "3") { $status = quiz_restore_pre15_multichoice ($old_question_id,$newid,$mul_info,$restore,$multianswer->answers); } else if ($multianswer->answertype == "8") { $status = quiz_restore_pre15_numerical ($old_question_id,$newid,$mul_info,$restore,$multianswer->answers); } } else { $status = false; } } //Everything is created, just going to create the multianswer record if ($status) { ksort($createdquestions); $multianswerdb = new object; $multianswerdb->question = $parentquestion->id; $multianswerdb->sequence = implode(",",$createdquestions); $mid = insert_record('question_multianswer', $multianswerdb); if (!$mid) { $status = false; } } return $status; } function quiz_restore_pre15_numerical_units ($old_question_id,$new_question_id,$info,$restore) { global $CFG; $status = true; //Get the numerical array $numerical_units = $info['#']['NUMERICAL_UNITS']['0']['#']['NUMERICAL_UNIT']; //Iterate over numerical_units for($i = 0; $i < sizeof($numerical_units); $i++) { $nu_info = $numerical_units[$i]; //traverse_xmlize($nu_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //Now, build the question_numerical_UNITS record structure $numerical_unit->question = $new_question_id; $numerical_unit->multiplier = backup_todb($nu_info['#']['MULTIPLIER']['0']['#']); $numerical_unit->unit = backup_todb($nu_info['#']['UNIT']['0']['#']); //The structure is equal to the db, so insert the question_numerical_units $newid = insert_record ("question_numerical_units",$numerical_unit); if (!$newid) { $status = false; } } return $status; } function quiz_restore_pre15_dataset_definitions ($old_question_id,$new_question_id,$info,$restore) { global $CFG; $status = true; //Get the dataset_definitions array $dataset_definitions = $info['#']['DATASET_DEFINITIONS']['0']['#']['DATASET_DEFINITION']; //Iterate over dataset_definitions for($i = 0; $i < sizeof($dataset_definitions); $i++) { $dd_info = $dataset_definitions[$i]; //traverse_xmlize($dd_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //Now, build the question_dataset_DEFINITION record structure $dataset_definition->category = backup_todb($dd_info['#']['CATEGORY']['0']['#']); $dataset_definition->name = backup_todb($dd_info['#']['NAME']['0']['#']); $dataset_definition->type = backup_todb($dd_info['#']['TYPE']['0']['#']); $dataset_definition->options = backup_todb($dd_info['#']['OPTIONS']['0']['#']); $dataset_definition->itemcount = backup_todb($dd_info['#']['ITEMCOUNT']['0']['#']); //We have to recode the category field (only if the category != 0) if ($dataset_definition->category != 0) { $category = backup_getid($restore->backup_unique_code,"question_categories",$dataset_definition->category); if ($category) { $dataset_definition->category = $category->new_id; } } //Now, we hace to decide when to create the new records or reuse an existing one $create_definition = false; //If the dataset_definition->category = 0, it's a individual question dataset_definition, so we'll create it if ($dataset_definition->category == 0) { $create_definition = true; } else { //The category isn't 0, so it's a category question dataset_definition, we have to see if it exists //Look for a definition with the same category, name and type if ($definitionrec = get_record_sql("SELECT d.* FROM {$CFG->prefix}question_dataset_definitions d WHERE d.category = '$dataset_definition->category' AND d.name = '$dataset_definition->name' AND d.type = '$dataset_definition->type'")) { //Such dataset_definition exist. Now we must check if it has enough itemcount if ($definitionrec->itemcount < $dataset_definition->itemcount) { //We haven't enough itemcount, so we have to create the definition as an individual question one. $dataset_definition->category = 0; $create_definition = true; } else { //We have enough itemcount, so we'll reuse the existing definition $create_definition = false; $newid = $definitionrec->id; } } else { //Such dataset_definition doesn't exist. We'll create it. $create_definition = true; } } //If we've to create the definition, do it if ($create_definition) { //The structure is equal to the db, so insert the question_dataset_definitions $newid = insert_record ("question_dataset_definitions",$dataset_definition); if ($newid) { //Restore question_dataset_items $status = quiz_restore_pre15_dataset_items($newid,$dd_info,$restore); } } //Now, we must have a definition (created o reused). Its id is in newid. Create the question_datasets record //to join the question and the dataset_definition if ($newid) { $question_dataset->question = $new_question_id; $question_dataset->datasetdefinition = $newid; $newid = insert_record ("question_datasets",$question_dataset); } if (!$newid) { $status = false; } } return $status; } function quiz_restore_pre15_dataset_items ($definitionid,$info,$restore) { global $CFG; $status = true; //Get the items array $dataset_items = $info['#']['DATASET_ITEMS']['0']['#']['DATASET_ITEM']; //Iterate over dataset_items for($i = 0; $i < sizeof($dataset_items); $i++) { $di_info = $dataset_items[$i]; //traverse_xmlize($di_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //Now, build the question_dataset_ITEMS record structure $dataset_item->definition = $definitionid; $dataset_item->itemnumber = backup_todb($di_info['#']['NUMBER']['0']['#']); $dataset_item->value = backup_todb($di_info['#']['VALUE']['0']['#']); //The structure is equal to the db, so insert the question_dataset_items $newid = insert_record ("question_dataset_items",$dataset_item); if (!$newid) { $status = false; } } return $status; } //STEP 2. Restore quizzes and associated structures // (course dependent) function quiz_restore_pre15_mods($mod,$restore) { global $CFG; $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 = $data->info; //if necessary, write to restorelog and adjust date/time fields if ($restore->course_startdateoffset) { restore_log_date_changes('Quiz', $restore, $info['MOD']['#'], array('TIMEOPEN', 'TIMECLOSE')); } //traverse_xmlize($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']['#']); $quiz->attemptonlast = backup_todb($info['MOD']['#']['ATTEMPTONLAST']['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']['#']); if (isset($info['MOD']['#']['DECIMALPOINTS']['0']['#'])) { //Only if it's set, to apply DB default else. $quiz->decimalpoints = backup_todb($info['MOD']['#']['DECIMALPOINTS']['0']['#']); } $quiz->review = backup_todb($info['MOD']['#']['REVIEW']['0']['#']); $quiz->questionsperpage = backup_todb($info['MOD']['#']['QUESTIONSPERPAGE']['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']['#']); $quiz->timelimit = backup_todb($info['MOD']['#']['TIMELIMIT']['0']['#']); $quiz->password = backup_todb($info['MOD']['#']['PASSWORD']['0']['#']); $quiz->subnet = backup_todb($info['MOD']['#']['SUBNET']['0']['#']); $quiz->popup = backup_todb($info['MOD']['#']['POPUP']['0']['#']); //We have to recode the questions field (a list of questions id) $newquestions = array(); if ($questionsarr = explode (",",$quiz->questions)) { foreach ($questionsarr as $key => $value) { if ($question = backup_getid($restore->backup_unique_code,"question",$value)) { $newquestions[] = $question->new_id; } } } $quiz->questions = implode (",", $newquestions); //Recalculate the questions field to include page breaks if necessary $quiz->questions = quiz_repaginate($quiz->questions, $quiz->questionsperpage); //Calculate the new review field contents (logic extracted from upgrade) $review = (QUIZ_REVIEW_IMMEDIATELY & (QUIZ_REVIEW_RESPONSES + QUIZ_REVIEW_SCORES)); if ($quiz->feedback) { $review += (QUIZ_REVIEW_IMMEDIATELY & QUIZ_REVIEW_FEEDBACK); } if ($quiz->correctanswers) { $review += (QUIZ_REVIEW_IMMEDIATELY & QUIZ_REVIEW_ANSWERS); } if ($quiz->review & 1) { $review += QUIZ_REVIEW_CLOSED; } if ($quiz->review & 2) { $review += QUIZ_REVIEW_OPEN; } $quiz->review = $review; //The structure is equal to the db, so insert the quiz $newid = insert_record ("quiz",$quiz); //Do some output if (!defined('RESTORE_SILENTLY')) { echo "
  • ".get_string("modulename","quiz")." \"".format_string(stripslashes($quiz->name),true)."\"
  • "; } backup_flush(300); if ($newid) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,$mod->modtype, $mod->id, $newid); //We have to restore the quiz_question_instances now (old quiz_question_grades, course level) $status = quiz_question_instances_restore_pre15_mods($newid,$info,$restore); //We have to restore the question_versions now (course level table) $status = quiz_question_versions_restore_pre15_mods($newid,$info,$restore); //Now check if want to restore user data and do it. if (restore_userdata_selected($restore,'quiz',$mod->id)) { //Restore quiz_attempts $status = quiz_attempts_restore_pre15_mods ($newid,$info,$restore, $quiz->questions); if ($status) { //Restore quiz_grades $status = quiz_grades_restore_pre15_mods ($newid,$info,$restore); } } } else { $status = false; } } else { $status = false; } return $status; } //This function restores the quiz_question_instances (old quiz_question_grades) function quiz_question_instances_restore_pre15_mods($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,"question",$grade->question); if ($question) { $grade->question = $question->new_id; } //The structure is equal to the db, so insert the quiz_question_grades $newid = insert_record ("quiz_question_instances",$grade); //Do some output if (($i+1) % 10 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 200 == 0) { echo "
    "; } } backup_flush(300); } if ($newid) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,"quiz_question_instances",$oldid, $newid); } else { $status = false; } } return $status; } //This function restores the quiz_question_versions function quiz_question_versions_restore_pre15_mods($quiz_id,$info,$restore) { global $CFG, $USER; $status = true; //Get the quiz_question_versions array $versions = $info['MOD']['#']['QUESTION_VERSIONS']['0']['#']['QUESTION_VERSION']; //Iterate over question_versions for($i = 0; $i < sizeof($versions); $i++) { $ver_info = $versions[$i]; //traverse_xmlize($ver_info); //Debug //print_object ($GLOBALS['traverse_array']); //Debug //$GLOBALS['traverse_array']=""; //Debug //We'll need this later!! $oldid = backup_todb($ver_info['#']['ID']['0']['#']); //Now, build the QUESTION_VERSIONS record structure $version->quiz = $quiz_id; $version->oldquestion = backup_todb($ver_info['#']['OLDQUESTION']['0']['#']); $version->newquestion = backup_todb($ver_info['#']['NEWQUESTION']['0']['#']); $version->userid = backup_todb($ver_info['#']['USERID']['0']['#']); $version->timestamp = backup_todb($ver_info['#']['TIMESTAMP']['0']['#']); //We have to recode the oldquestion field $question = backup_getid($restore->backup_unique_code,"question",$version->oldquestion); if ($question) { $version->oldquestion = $question->new_id; } //We have to recode the newquestion field $question = backup_getid($restore->backup_unique_code,"question",$version->newquestion); if ($question) { $version->newquestion = $question->new_id; } //We have to recode the userid field $user = backup_getid($restore->backup_unique_code,"user",$version->userid); if ($user) { $version->userid = $user->new_id; } else { //Assign to current user $version->userid = $USER->id; } //The structure is equal to the db, so insert the quiz_question_versions $newid = insert_record ("quiz_question_versions",$version); //Do some output if (($i+1) % 10 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 200 == 0) { echo "
    "; } } backup_flush(300); } if ($newid) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,"quiz_question_versions",$oldid, $newid); } else { $status = false; } } return $status; } //This function restores the quiz_attempts function quiz_attempts_restore_pre15_mods($quiz_id,$info,$restore,$quizquestions) { 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; } //Set the layout field (inherited from quiz by default) $attempt->layout = $quizquestions; //Set the preview field (code from upgrade) $cm = get_coursemodule_from_instance('quiz', $quiz_id); if (has_capability('mod/quiz:preview', get_context_instance(CONTEXT_MODULE, $cm->id))) { $attempt->preview = 1; } //Set the uniqueid field $attempt->uniqueid = question_new_attempt_uniqueid(); //The structure is equal to the db, so insert the quiz_attempts $newid = insert_record ("quiz_attempts",$attempt); //Do some output if (($i+1) % 10 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 200 == 0) { echo "
    "; } } backup_flush(300); } if ($newid) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,"quiz_attempts",$oldid, $newid); //Now process question_states (old quiz_responses table) $status = question_states_restore_pre15_mods($newid,$att_info,$restore); } else { $status = false; } } return $status; } //This function restores the question_states (old quiz_responses) function question_states_restore_pre15_mods($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']['#']); $response->originalquestion = backup_todb($res_info['#']['ORIGINALQUESTION']['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,"question",$response->question); if ($question) { $response->question = $question->new_id; } //We have to recode the originalquestion field $question = backup_getid($restore->backup_unique_code,"question",$response->originalquestion); if ($question) { $response->originalquestion = $question->new_id; } //Set the raw_grade field (default to the existing grade one, no penalty in pre15 backups) $response->raw_grade = $response->grade; //We have to recode the answer field //It depends of the question type !! //We get the question first $question = get_record("question","id",$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,"question_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,"question_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,"question",$response->answer); if ($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 (for the question) $match_que = backup_getid($restore->backup_unique_code,"question_match_sub",$match_question_id); //Get the match_sub from backup_ids (for the answer) $match_ans = backup_getid($restore->backup_unique_code,"question_match_sub",$match_answer_id); if ($match_que) { //It the question hasn't response, it must be 0 if (!$match_ans and $match_answer_id == 0) { $match_ans->new_id = 0; } if ($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,"question",$question_id); //Get the answer from backup_ids $ans = backup_getid($restore->backup_unique_code,"question_answers",$answer_id); if ($que) { //It the question hasn't response, it must be 0 if (!$ans and $answer_id == 0) { $ans->new_id = 0; } if ($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; case 7: //DESCRIPTION QTYPE //Nothing to do (there is no awser to this qtype) //But this case must exist !! break; case 8: //NUMERICAL QTYPE //Nothing to do. The response is a text. break; case 9: //MULTIANSWER QTYPE //The answer is a comma separated list of hypen separated multianswer ids and answers. We must recode them. //We need to have the sequence of questions here to be able to detect qtypes $multianswerdb = get_record('question_multianswer','question',$response->question); //Make an array of sequence to easy access $sequencearr = explode(",",$multianswerdb->sequence); $answer_field = ""; $in_first = true; $tok = strtok($response->answer,","); $counter = 1; while ($tok) { //Extract the multianswer_id and the answer $exploded = explode("-",$tok); $multianswer_id = $exploded[0]; $answer = $exploded[1]; //Get position key (if it fails, next iteration) if ($oldposrec = backup_getid($restore->backup_unique_code,'multianswer-pos',$multianswer_id)) { $positionkey = $oldposrec->new_id; } else { //Next iteration $tok = strtok(","); continue; } //Calculate question type $questiondb = get_record('question','id',$sequencearr[$counter-1]); $questiontype = $questiondb->qtype; //Now, depending of the answertype field in question_multianswer //we do diferent things if ($questiontype == "1") { //Shortanswer //The answer is text, do nothing } else if ($questiontype == "3") { //Multichoice //The answer is an answer_id, look for it in backup_ids $ans = backup_getid($restore->backup_unique_code,"question_answers",$answer); $answer = $ans->new_id; } else if ($questiontype == "8") { //Numeric //The answer is text, do nothing } //Finaly, build the new answer field for each pair if ($in_first) { $answer_field .= $positionkey."-".$answer; $in_first = false; } else { $answer_field .= ",".$positionkey."-".$answer; } //check for next $tok = strtok(","); $counter++; } $response->answer = $answer_field; break; case 10: //CALCULATED QTYPE //Nothing to do. The response is a text. 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 question_states $newid = insert_record ("question_states",$response); //Do some output if (($i+1) % 10 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 200 == 0) { echo "
    "; } } backup_flush(300); } if ($newid) { //We have the newid, update backup_ids backup_putid($restore->backup_unique_code,"question_states",$oldid, $newid); } else { $status = false; } } return $status; } //This function restores the quiz_grades function quiz_grades_restore_pre15_mods($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 (($i+1) % 10 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 200 == 0) { echo "
    "; } } 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 $status; } //This function converts texts in FORMAT_WIKI to FORMAT_MARKDOWN for //some texts in the module function quiz_restore_pre15_wiki2markdown ($restore) { global $CFG; $status = true; //Convert question->questiontext if ($records = get_records_sql ("SELECT q.id, q.questiontext, q.questiontextformat FROM {$CFG->prefix}question q, {$CFG->prefix}backup_ids b WHERE b.backup_code = $restore->backup_unique_code AND b.table_name = 'question' AND q.id = b.new_id AND q.questiontextformat = ".FORMAT_WIKI)) { foreach ($records as $record) { //Rebuild wiki links $record->questiontext = restore_decode_wiki_content($record->questiontext, $restore); //Convert to Markdown $wtm = new WikiToMarkdown(); $record->questiontext = $wtm->convert($record->questiontext, $restore->course_id); $record->questiontextformat = FORMAT_MARKDOWN; $status = update_record('question', addslashes_object($record)); //Do some output $i++; if (($i+1) % 1 == 0) { if (!defined('RESTORE_SILENTLY')) { echo "."; if (($i+1) % 20 == 0) { echo "
    "; } } backup_flush(300); } } } return $status; } //This function returns a log record with all the necessay transformations //done. It's used by restore_log_module() to restore modules log. function quiz_restore_pre15_logs($restore,$log) { $status = false; //Depending of the action, we recode different things switch ($log->action) { case "add": if ($log->cmid) { //Get the new_id of the module (to recode the info field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { $log->url = "view.php?id=".$log->cmid; $log->info = $mod->new_id; $status = true; } } break; case "update": if ($log->cmid) { //Get the new_id of the module (to recode the info field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { $log->url = "view.php?id=".$log->cmid; $log->info = $mod->new_id; $status = true; } } break; case "view": if ($log->cmid) { //Get the new_id of the module (to recode the info field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { $log->url = "view.php?id=".$log->cmid; $log->info = $mod->new_id; $status = true; } } break; case "view all": $log->url = "index.php?id=".$log->course; $status = true; break; case "report": if ($log->cmid) { //Get the new_id of the module (to recode the info field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { $log->url = "report.php?id=".$log->cmid; $log->info = $mod->new_id; $status = true; } } break; case "attempt": if ($log->cmid) { //Get the new_id of the module (to recode the info field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { //Extract the attempt id from the url field $attid = substr(strrchr($log->url,"="),1); //Get the new_id of the attempt (to recode the url field) $att = backup_getid($restore->backup_unique_code,"quiz_attempts",$attid); if ($att) { $log->url = "review.php?id=".$log->cmid."&attempt=".$att->new_id; $log->info = $mod->new_id; $status = true; } } } break; case "submit": if ($log->cmid) { //Get the new_id of the module (to recode the info field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { //Extract the attempt id from the url field $attid = substr(strrchr($log->url,"="),1); //Get the new_id of the attempt (to recode the url field) $att = backup_getid($restore->backup_unique_code,"quiz_attempts",$attid); if ($att) { $log->url = "review.php?id=".$log->cmid."&attempt=".$att->new_id; $log->info = $mod->new_id; $status = true; } } } break; case "review": if ($log->cmid) { //Get the new_id of the module (to recode the info field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { //Extract the attempt id from the url field $attid = substr(strrchr($log->url,"="),1); //Get the new_id of the attempt (to recode the url field) $att = backup_getid($restore->backup_unique_code,"quiz_attempts",$attid); if ($att) { $log->url = "review.php?id=".$log->cmid."&attempt=".$att->new_id; $log->info = $mod->new_id; $status = true; } } } break; case "editquestions": if ($log->cmid) { //Get the new_id of the module (to recode the url field) $mod = backup_getid($restore->backup_unique_code,$log->module,$log->info); if ($mod) { $log->url = "view.php?id=".$log->cmid; $log->info = $mod->new_id; $status = true; } } break; default: if (!defined('RESTORE_SILENTLY')) { echo "action (".$log->module."-".$log->action.") unknow. Not restored
    "; //Debug } break; } if ($status) { $status = $log; } return $status; } ?>