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restore: MDL-17480 Potentially expensive function user_can_create_courses called repeatedly from restore UI.

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tjhunt 2008-12-01 06:55:11 +00:00
parent 77f60b432a
commit df73f8d4e1
3 changed files with 20 additions and 47 deletions
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34
lib/datalib.php
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@ -2255,37 +2255,19 @@ function xmldb_debug($message, $object) {
}
/**
* true or false function to see if user can create any courses at all
* @return bool
* @return boolean Whether the user can create courses in any category in the system.
*/
function user_can_create_courses() {
global $USER;
// if user has course creation capability at any site or course cat, then return true;
if (has_capability('moodle/course:create', get_context_instance(CONTEXT_SYSTEM))) {
return true;
} else {
return (bool) count(get_creatable_categories());
}
}
/**
* Get the list of categories the current user can create courses in
* @return array
*/
function get_creatable_categories() {
global $DB;
$creatablecats = array();
if ($cats = $DB->get_records('course_categories')) {
foreach ($cats as $cat) {
if (has_capability('moodle/course:create', get_context_instance(CONTEXT_COURSECAT, $cat->id))) {
$creatablecats[$cat->id] = $cat->name;
}
$catsrs = $DB->get_recordset('course_categories');
foreach ($cats as $cat) {
if (has_capability('moodle/course:create', get_context_instance(CONTEXT_COURSECAT, $cat->id))) {
$catsrs->close();
return true;
}
}
return $creatablecats;
$catsrs->close();
return false;
}
?>