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MDL-61615 Questions: Fix multiple top cats when deleting a course cat

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Prevent having multiple top question categories when deleting a course category.
This commit also fix the problem of question files' contexts not being updated when moving them.
This commit is contained in:
Shamim Rezaie 2018-03-13 13:34:07 +11:00
parent 15f80bf579
commit bd94e16e95
1 changed files with 6 additions and 4 deletions
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10
lib/questionlib.php
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@ -464,11 +464,13 @@ function question_delete_course_category($category, $newcategory, $feedback=true
if (!$newcontext = context_coursecat::instance($newcategory->id)) {
return false;
}
$topcategory = question_get_top_category($context->id, true);
$newtopcategory = question_get_top_category($newcontext->id, true);
// Update the contextid for any tag instances for questions in the old context.
core_tag_tag::move_context('core_question', 'question', $context, $newcontext);
$DB->set_field('question_categories', 'contextid', $newcontext->id, array('contextid' => $context->id));
question_move_category_to_context($topcategory->id, $context->id, $newcontext->id);
$DB->set_field('question_categories', 'parent', $newtopcategory->id, array('parent' => $topcategory->id));
// Now delete the top category.
$DB->delete_records('question_categories', array('id' => $topcategory->id));
if ($feedback) {
$a = new stdClass();