/**
* Builds a list of information about sections on a course to be stored in
* the course cache. (Does not include information that is already cached
* in some other way.)
*
* @param stdClass $course Course object (must contain fields
* @return array Information about sections, indexed by section number (not id)
*/
protected static function build_course_section_cache($course) {
global $DB;
// Get section data
$sections = $DB->get_records('course_sections', array('course' => $course->id), 'section',
'section, id, course, name, summary, summaryformat, sequence, visible, ' .
'availablefrom, availableuntil, showavailability, groupingid');
$compressedsections = array();
$formatoptionsdef = course_get_format($course)->section_format_options();
// Remove unnecessary data and add availability
foreach ($sections as $number => $section) {
// Add cached options from course format to $section object
foreach ($formatoptionsdef as $key => $option) {
if (!empty($option['cache'])) {
$formatoptions = course_get_format($course)->get_format_options($section);
if (!array_key_exists('cachedefault', $option) || $option['cachedefault'] !== $formatoptions[$key]) {
$section->$key = $formatoptions[$key];
}
}
}
// Clone just in case it is reused elsewhere
$compressedsections[$number] = clone($section);
section_info::convert_for_section_cache($compressedsections[$number]);
}
return $compressedsections;
}
/**
* Builds a list of information about sections on a course to be stored in
* the course cache. (Does not include information that is already cached
* in some other way.)
*
* Used internally by rebuild_course_cache function; do not use otherwise.
* @param int $courseid Course ID
* @return array Information about sections, indexed by section number (not id)
*/
public static function build_section_cache($courseid) {
global $DB;
// Get section data
$sections = $DB->get_records('course_sections', array('course' => $courseid), 'section',
'section, id, course, name, summary, summaryformat, sequence, visible, ' .
'availablefrom, availableuntil, showavailability, groupingid');
$compressedsections = array();
// Remove unnecessary data and add availability
foreach ($sections as $number => $section) {
// Clone just in case it is reused elsewhere (get_all_sections cache)
$compressedsections[$number] = clone($section);
section_info::convert_for_section_cache($compressedsections[$number]);
}
return $compressedsections;
}
