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fix for some notices in insert_category_ids function.

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This commit is contained in:
jamiesensei 2007-08-08 03:29:29 +00:00
parent 9f7882159b
commit 62f34fdb20
1 changed files with 39 additions and 37 deletions
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76
mod/quiz/backuplib.php
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@ -42,49 +42,49 @@
// Create missing categories and reasign orphaned questions.
fix_orphaned_questions($course);
// First, all categories from this course.
// First, ALL categories from this course.
$status = execute_sql("INSERT INTO {$CFG->prefix}backup_ids
(backup_code, table_name, old_id, info)
SELECT '$backup_unique_code', 'question_categories', qc.id, ''
FROM {$CFG->prefix}question_categories qc
WHERE qc.course = $course", false);
// Then published categories from other courses used by the quizzes we are backing up.
$from = "{$CFG->prefix}quiz quiz,";
$where = "AND quiz.course = '$course'
AND qqi.quiz = quiz.id";
if (!empty($instances) && is_array($instances) && count($instances)) {
$from = '';
$where = 'AND qqi.quiz IN ('.implode(',',array_keys($instances)).')';
$questionselectsqlfrom = '';
$questionselectsqlwhere = 'AND qqi.quiz IN ('.implode(',',array_keys($instances)).')';
} else {
$questionselectsqlfrom = "{$CFG->prefix}quiz quiz,";
$questionselectsqlwhere = "AND quiz.course = '$course'
AND qqi.quiz = quiz.id";
}
$categories = get_records_sql("
$categoriesinothercourses = get_records_sql("
SELECT id, parent, 0 AS childrendone
FROM {$CFG->prefix}question_categories
WHERE course <> $course
AND id IN (
SELECT DISTINCT question.category
SELECT DISTINCT question.category
FROM {$CFG->prefix}question question,
$from
$questionselectsqlfrom
{$CFG->prefix}quiz_question_instances qqi
WHERE qqi.question = question.id
$where
$questionselectsqlwhere
)", false);
if (!$categories) {
$categories = array();
if (!$categoriesinothercourses) {
$categoriesinothercourses = array();
}
// Add the parent categories, of these categories up to the top of the category tree.
foreach ($categories as $category) {
foreach ($categoriesinothercourses as $category) {
while ($category->parent != 0) {
if (array_key_exists($category->parent, $categories)) {
if (array_key_exists($category->parent, $categoriesinothercourses)) {
// Parent category already on the list.
break;
}
$currentid = $category->id;
$category = get_record('question_categories', 'id', $category->parent, '', '', '', '', 'id, parent, 0 AS childrendone');
if ($category) {
$categories[$category->id] = $category;
$categoriesinothercourses[$category->id] = $category;
} else {
// Parent not found: this indicates an error, but just fix it.
set_field('question_categories', 'parent', 0, 'id', $currentid);
@ -92,35 +92,37 @@
}
}
}
// Now we look for categories from other courses containing random questions
// in our quiz that select from the category and its subcategories. That implies
// Now we look for random questions used in our quizzes
// that select from subcategories in other courses. That implies
// those subcategories also need to be backed up. (The categories themselves
// and their parents will already have been included.)
$categorieswithrandom = get_records_sql("
SELECT DISTINCT question.category AS id
FROM {$CFG->prefix}quiz_question_instances qqi,
$from
$questionselectsqlfrom
{$CFG->prefix}question question
WHERE question.id = qqi.question
AND question.qtype = '" . RANDOM . "'
AND question.questiontext = '1'
$where
$questionselectsqlwhere
");
if ($categorieswithrandom) {
foreach ($categorieswithrandom as $category) {
$status = quiz_backup_add_sub_categories($categories, $category->id);
if (isset($categoriesinothercourses[$category->id])){
$status = quiz_backup_add_sub_categories($categoriesinothercourses, $category->id);
}
}
}
// Finally, add all these extra categories to the backup_ids table.
foreach ($categories as $category) {
foreach ($categoriesinothercourses as $category) {
$status = $status && backup_putid($backup_unique_code, 'question_categories', $category->id, 0);
}
return $status;
}
/**
* Helper function adding the id of all the subcategories of a category to an array.
*/
@ -140,7 +142,7 @@
$categories[$categoryid]->childrendone = 1;
return $status;
}
//This function is used to detect orphaned questions (pointing to a
//non existing category) and to recreate such category. This function
@ -191,7 +193,7 @@
if (is_numeric($quiz)) {
$quiz = get_record('quiz','id',$quiz);
}
//Start mod
fwrite ($bf,start_tag("MOD",3,true));
//Print quiz data
@ -239,7 +241,7 @@
}
//End mod
$status = fwrite ($bf,end_tag("MOD",3,true));
return $status;
}
@ -297,30 +299,30 @@
if ($quiz_feedback) {
// Write start tag.
$status = $status & fwrite($bf,start_tag('FEEDBACKS', 4, true));
// Iterate over each question_instance.
foreach ($quiz_feedback as $feedback) {
//Start feedback instance
$status = $status & fwrite($bf, start_tag('FEEDBACK',5,true));
//Print question_instance contents.
$status = $status & fwrite($bf, full_tag('ID', 6, false, $feedback->id));
$status = $status & fwrite($bf, full_tag('QUIZID', 6, false, $feedback->quizid));
$status = $status & fwrite($bf, full_tag('FEEDBACKTEXT', 6, false, $feedback->feedbacktext));
$status = $status & fwrite($bf, full_tag('MINGRADE', 6, false, $feedback->mingrade));
$status = $status & fwrite($bf, full_tag('MAXGRADE', 6, false, $feedback->maxgrade));
// End feedback instance.
$status = $status & fwrite($bf, end_tag('FEEDBACK', 5, true));
}
// Write end tag.
$status = $status & fwrite($bf, end_tag('FEEDBACKS', 4, true));
}
return $status;
}
//Backup quiz_question_versions contents (executed from quiz_backup_mods)
function backup_quiz_question_versions ($bf,$preferences,$quiz) {
$status = true;
@ -447,7 +449,7 @@
}
return $info;
}
////Return an array of info (name,value)
/// $instances is an array with key = instanceid, value = object (name,id,userdata)
function quiz_check_backup_mods($course,$user_data= false,$backup_unique_code,$instances=null) {