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MDL-15095 core backup/restore conversion finished

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This commit is contained in:
skodak 2008-06-04 20:51:02 +00:00
parent 72a56f6713
commit bae736241a
3 changed files with 279 additions and 326 deletions
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466
backup/backuplib.php
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122
question/backuplib.php
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@ -78,6 +78,8 @@
require_once("$CFG->libdir/questionlib.php");
function backup_question_category_context($bf, $contextid, $course) {
global $DB;
$status = true;
$context = get_context_instance_by_id($contextid);
$status = $status && fwrite($bf,start_tag("CONTEXT",4,true));
@ -90,7 +92,7 @@
$status = $status && fwrite($bf,full_tag("LEVEL",5,false, 'course'));
break;
case CONTEXT_COURSECAT:
$thiscourse = get_record('course', 'id', $course);
$thiscourse = $DB->get_record('course', array('id'=>$course));
$cat = $thiscourse->category;
$catno = 1;
while($context->instanceid != $cat){
@ -98,7 +100,7 @@
if ($cat ==0) {
return false;
}
$cat = get_field('course_categories', 'parent', 'id', $cat);
$cat = $DB->get_field('course_categories', 'parent', array('id'=>$cat));
}
$status = $status && fwrite($bf,full_tag("LEVEL",5,false, 'coursecategory'));
$status = $status && fwrite($bf,full_tag("COURSECATEGORYLEVEL",5,false, $catno));
@ -114,8 +116,7 @@
}
function backup_question_categories($bf,$preferences) {
global $CFG;
global $CFG, $DB;
$status = true;
@ -131,7 +132,7 @@
//Start category
$status = $status && fwrite ($bf,start_tag("QUESTION_CATEGORY",3,true));
//Get category data from question_categories
$category = get_record ("question_categories","id",$cat->old_id);
$category = $DB->get_record ("question_categories", array("id"=>$cat->old_id));
//Print category contents
$status = $status && fwrite($bf,full_tag("ID",4,false,$category->id));
$status = $status && fwrite($bf,full_tag("NAME",4,false,$category->name));
@ -155,8 +156,7 @@
//This function backups all the questions in selected category and their
//asociated data
function backup_question($bf,$preferences,$category, $level = 4) {
global $CFG, $QTYPES;
global $CFG, $QTYPES, $DB;
$status = true;
@ -164,11 +164,11 @@
// (these are the ones which could be parents themselves) are backed up first. This
// is important for the recoding of the parent field during the restore process
// Only select questions with ids in backup_ids table
$questions = get_records_sql("SELECT q.* FROM {$CFG->prefix}backup_ids bk, {$CFG->prefix}question q ".
"WHERE q.category= $category AND ".
"bk.old_id=q.id AND ".
"bk.backup_code = {$preferences->backup_unique_code} ".
"ORDER BY parent ASC, id");
$questions = $DB->get_records_sql("SELECT q.* FROM {backup_ids} bk, {question} q
WHERE q.category= ? AND
bk.old_id=q.id AND
bk.backup_code = ?
ORDER BY parent ASC, id", array($category, $preferences->backup_unique_code));
//If there are questions
if ($questions) {
//Write start tag
@ -220,12 +220,11 @@
//This function backups the answers data in some question types
//(truefalse, shortanswer,multichoice,numerical,calculated)
function question_backup_answers($bf,$preferences,$question, $level = 6) {
global $CFG;
global $CFG, $DB;
$status = true;
$answers = get_records("question_answers","question",$question,"id");
$answers = $DB->get_records("question_answers", array("question"=>$question), "id");
//If there are answers
if ($answers) {
$status = $status && fwrite ($bf,start_tag("ANSWERS",$level,true));
@ -246,12 +245,11 @@
//This function backups question_numerical_units from different question types
function question_backup_numerical_units($bf,$preferences,$question,$level=7) {
global $CFG;
global $CFG, $DB;
$status = true;
$numerical_units = get_records("question_numerical_units","question",$question,"id");
$numerical_units = $DB->get_records("question_numerical_units", array("question"=>$question), "id");
//If there are numericals_units
if ($numerical_units) {
$status = $status && fwrite ($bf,start_tag("NUMERICAL_UNITS",$level,true));
@ -273,13 +271,12 @@
//This function backups dataset_definitions (via question_datasets) from different question types
function question_backup_datasets($bf,$preferences,$question,$level=7) {
global $CFG;
global $CFG, $DB;
$status = true;
//First, we get the used datasets for this question
$question_datasets = get_records("question_datasets","question",$question,"id");
$question_datasets = $DB->get_records("question_datasets", array("question"=>$question), "id");
//If there are question_datasets
if ($question_datasets) {
$status = $status &&fwrite ($bf,start_tag("DATASET_DEFINITIONS",$level,true));
@ -287,7 +284,7 @@
foreach ($question_datasets as $question_dataset) {
$def = NULL;
//Get dataset_definition
if ($def = get_record("question_dataset_definitions","id",$question_dataset->datasetdefinition)) {;
if ($def = $DB->get_record("question_dataset_definitions", array("id"=>$question_dataset->datasetdefinition))) {;
$status = $status &&fwrite ($bf,start_tag("DATASET_DEFINITION",$level+1,true));
//Print question_dataset contents
fwrite ($bf,full_tag("CATEGORY",$level+2,false,$def->category));
@ -310,13 +307,12 @@
//This function backups datases_items from dataset_definitions
function question_backup_dataset_items($bf,$preferences,$datasetdefinition,$level=9) {
global $CFG;
global $CFG, $DB;
$status = true;
//First, we get the datasets_items for this dataset_definition
$dataset_items = get_records("question_dataset_items","definition",$datasetdefinition,"id");
$dataset_items = $DB->get_records("question_dataset_items", array("definition"=>$datasetdefinition), "id");
//If there are dataset_items
if ($dataset_items) {
$status = $status &&fwrite ($bf,start_tag("DATASET_ITEMS",$level,true));
@ -339,12 +335,11 @@
//Backup question_states contents (executed from backup_quiz_attempts)
function backup_question_states ($bf,$preferences,$attempt, $level = 6) {
global $CFG;
global $CFG, $DB;
$status = true;
$question_states = get_records("question_states","attempt",$attempt,"id");
$question_states = $DB->get_records("question_states", array("attempt"=>$attempt),"id");
//If there are states
if ($question_states) {
//Write start tag
@ -374,11 +369,11 @@
//Backup question_sessions contents (executed from backup_quiz_attempts)
function backup_question_sessions ($bf,$preferences,$attempt, $level = 6) {
global $CFG;
global $CFG, $DB;
$status = true;
$question_sessions = get_records("question_sessions","attemptid",$attempt,"id");
$question_sessions = $DB->get_records("question_sessions", array("attemptid"=>$attempt), "id");
//If there are sessions
if ($question_sessions) {
//Write start tag (the funny name 'newest states' has historical reasons)
@ -405,54 +400,50 @@
//Returns an array of categories id
function question_category_ids_by_backup ($backup_unique_code) {
global $CFG, $DB;
global $CFG;
return get_records_sql ("SELECT a.old_id, a.backup_code
FROM {$CFG->prefix}backup_ids a
WHERE a.backup_code = '$backup_unique_code' AND
a.table_name = 'question_categories'");
return $DB->get_records_sql("SELECT a.old_id, a.backup_code
FROM {backup_ids} a
WHERE a.backup_code = ? AND
a.table_name = 'question_categories'", array($backup_unique_code));
}
function question_ids_by_backup ($backup_unique_code) {
global $CFG, $DB;
global $CFG;
return get_records_sql ("SELECT old_id, backup_code
FROM {$CFG->prefix}backup_ids
WHERE backup_code = '$backup_unique_code' AND
table_name = 'question'");
return $DB->get_records_sql("SELECT old_id, backup_code
FROM {backup_ids}
WHERE backup_code = ? AND
table_name = 'question'", array($backup_unique_code));
}
//Function for inserting question and category ids into db that are all called from
// quiz_check_backup_mods during execution of backup_check.html
function question_insert_c_and_q_ids_for_course($coursecontext, $backup_unique_code){
global $CFG;
global $CFG, $DB;
// First, all categories from this course's context.
$status = execute_sql("INSERT INTO {$CFG->prefix}backup_ids
(backup_code, table_name, old_id, info)
SELECT '$backup_unique_code', 'question_categories', qc.id, 'course'
FROM {$CFG->prefix}question_categories qc
WHERE qc.contextid = {$coursecontext->id}", false);
$status = $DB->execute("INSERT INTO {backup_ids} (backup_code, table_name, old_id, info)
SELECT '$backup_unique_code', 'question_categories', qc.id, 'course'
FROM {question_categories} qc
WHERE qc.contextid = ?", array($coursecontext->id));
$status = $status && question_insert_q_ids($backup_unique_code, 'course');
return $status;
}
/*
/**
* Insert all question ids for categories whose ids have already been inserted in the backup_ids table
* Insert code to identify categories to later insert all question ids later eg. course, quiz or other module name.
*/
function question_insert_q_ids($backup_unique_code, $info){
global $CFG;
//put the ids of the questions from all these categories into the db.
$status = execute_sql("INSERT INTO {$CFG->prefix}backup_ids
(backup_code, table_name, old_id, info)
SELECT '$backup_unique_code', 'question', q.id, ''
FROM {$CFG->prefix}question q, {$CFG->prefix}backup_ids bk
WHERE q.category = bk.old_id AND bk.table_name = 'question_categories'
AND bk.info = '$info'
AND bk.backup_code = '$backup_unique_code'", false);
$status = $DB->execute("INSERT INTO {backup_ids} (backup_code, table_name, old_id, info)
SELECT '$backup_unique_code', 'question', q.id, ''
FROM {question} q, {backup_ids} bk
WHERE q.category = bk.old_id AND bk.table_name = 'question_categories'
AND bk.info = ?
AND bk.backup_code = ?", array($info, $backup_unique_code));
return $status;
}
@ -471,24 +462,23 @@
}
if ($cmcontexts){
$status = $status && execute_sql("INSERT INTO {$CFG->prefix}backup_ids
(backup_code, table_name, old_id, info)
SELECT '$backup_unique_code', 'question_categories', qc.id, '$modulename'
FROM {$CFG->prefix}question_categories qc
WHERE qc.contextid IN (".join(array_keys($cmcontexts), ', ').")", false);
$status = $status && $DB->execute("INSERT INTO {backup_ids} (backup_code, table_name, old_id, info)
SELECT '$backup_unique_code', 'question_categories', qc.id, '$modulename'
FROM {question_categories} qc
WHERE qc.contextid IN (".join(array_keys($cmcontexts), ', ').")");
}
$status = $status && question_insert_q_ids($backup_unique_code, $modulename);
return $status;
}
function question_insert_site_file_names($course, $backup_unique_code){
global $QTYPES, $CFG;
global $QTYPES, $CFG, $DB;
$status = true;
$questionids = question_ids_by_backup ($backup_unique_code);
$urls = array();
if ($questionids){
foreach ($questionids as $question_bk){
$question = get_record('question', 'id', $question_bk->old_id);
$question = $DB->get_record('question', array('id'=>$question_bk->old_id));
$QTYPES[$question->qtype]->get_question_options($question);
$urls = array_merge_recursive($urls, $QTYPES[$question->qtype]->find_file_links($question, SITEID));
}
@ -500,8 +490,8 @@
$inserturl->backup_code = $backup_unique_code;
$inserturl->file_type = 'site';
$url = clean_param($url, PARAM_PATH);
$inserturl->path = addslashes($url);
$status = $status && insert_record('backup_files', $inserturl);
$inserturl->path = $url;
$status = $status && $DB->insert_record('backup_files', $inserturl);
} else {
notify(get_string('linkedfiledoesntexist', 'question', $url));
}

17
question/type/multianswer/db/upgrade.php
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@ -45,20 +45,21 @@ function xmldb_qtype_multianswer_upgrade($oldversion=0) {
* that have been moved between categories will be in the wrong category, This code fixes these up.
*/
function question_multianswer_fix_subquestion_parents_and_categories() {
global $CFG;
global $CFG, $DB;
$result = true;
$rs = get_recordset_sql('SELECT q.id, q.category, qma.sequence FROM ' . $CFG->prefix .
'question q JOIN ' . $CFG->prefix . 'question_multianswer qma ON q.id = qma.question');
$rs = $DB->get_recordset_sql('SELECT q.id, q.category, qma.sequence
FROM {question} q JOIN {question_multianswer} qma ON q.id = qma.question');
if ($rs) {
while ($q = rs_fetch_next_record($rs)) {
foreach ($rs as $q) {
if (!empty($q->sequence)) {
$result = $result && execute_sql('UPDATE ' . $CFG->prefix . 'question' .
' SET parent = ' . $q->id . ', category = ' . $q->category .
' WHERE id IN (' . $q->sequence . ') AND parent <> 0');
$result = $result && $DB->execute("UPDATE {question}
SET parent = ?, category = ?
WHERE id IN ($q->sequence) AND parent <> 0",
array($q->id, $q->category));
}
}
rs_close($rs);
$rs->close();
} else {
$result = false;
}