/**
* Prefetch courses that will be printed by course areas
*/
function local_prefetch_course_areas(&$excludedcourses)
{
global $DB;
$allcourses = enrol_get_my_courses('id, shortname');
$config = get_config('local_my');
if (!empty($excludedcourses)) {
foreach ($excludedcourses as $id => $c) {
unset($allcourses[$id]);
}
}
if (empty($config->courseareas)) {
// Performance quick trap.
return array();
}
$prefetchareacourses = array();
for ($i = 0; $i < $config->courseareas; $i++) {
$coursearea = 'coursearea' . $i;
if (!empty($config->{$coursearea})) {
$mastercategory = $DB->get_record('course_categories', array('id' => $config->{$coursearea}));
// Filter courses of this area.
$retainedcategories = local_get_cat_branch_ids_rec($mastercategory->id);
foreach ($allcourses as $c) {
if (in_array($c->category, $retainedcategories)) {
$c->summary = $DB->get_field('course', 'summary', array('id' => $c->id));
$prefetchareacourses[$c->id] = $c;
}
}
}
}
return $prefetchareacourses;
}
/**
* Prints the specific courses area as a 3 column link list
*/
function local_my_print_course_areas_and_availables(&$excludedcourses, &$courseareacourses)
{
global $USER, $CFG, $OUTPUT, $DB;
$debug = 0;
$mycourses = enrol_get_my_courses('id,shortname,fullname');
$availablecourses = local_get_enrollable_courses();
$config = get_config('local_my');
if (!$config->courseareas) {
// Performance quick trap.
return;
}
if (empty($mycourses)) {
$mycourses = array();
// Be sure of that !
}
if (empty($availablecourses)) {
$availablecourses = array();
}
if (empty($courseareacourses)) {
$courseareacourses = array();
}
if (!empty($excludedcourses)) {
foreach ($excludedcourses as $id => $c) {
if (in_array($id, array_keys($courseareacourses))) {
continue;
}
if ($debug) {
echo "reject enrolled as excluded {$id} <br/>";
}
if (array_key_exists($id, $mycourses)) {
unset($mycourses[$id]);
}
if (array_key_exists($id, $availablecourses)) {
if ($debug) {
echo "reject available as excluded {$id} <br/>";
}
unset($availablecourses[$id]);
}
}
}
foreach ($mycourses as $id => $c) {
$mycourses[$id]->lastaccess = $DB->get_field('log', 'max(time)', array('course' => $id));
}
$str = '';
$str .= '<table id="mycourseareas" width="100%">';
$str .= '<tr valign="top">';
$options['noheading'] = 1;
$options['nooverview'] = 1;
$options['withdescription'] = 0;
$options['withcats'] = $config->printcategories;
$options['withcats'] = 0;
// Which one ???
$options['gaugewidth'] = 60;
$options['gaugeheight'] = 15;
$reali = 1;
for ($i = 0; $i < $config->courseareas; $i++) {
$coursearea = 'coursearea' . $i;
$mastercategory = $DB->get_record('course_categories', array('id' => $config->{$coursearea}));
$key = 'coursearea' . $i;
$categoryid = $config->{$key};
if ($debug) {
echo " > coursearea {$i} <br/>";
}
// Filter courses of this area.
$retainedcategories = local_get_cat_branch_ids_rec($categoryid);
$myareacourses = array();
foreach ($mycourses as $c) {
if ($debug) {
echo " checking enrolled {$c->id} ... ";
}
if (in_array($c->category, $retainedcategories)) {
if ($debug) {
echo " accept enrolled {$c->id} <br/>";
}
$myareacourses[$c->id] = $c;
$excludedcourses[$c->id] = 1;
} else {
if ($debug) {
echo " reject enrolled {$c->id} not in cat <br/>";
}
}
}
$availableareacourses = array();
foreach ($availablecourses as $c) {
if ($debug) {
echo " checking available {$c->id} ... ";
}
if (!isset($c->summary)) {
$c->summary = $DB->get_field('course', 'summary', array('id' => $id));
}
if (in_array($c->category, $retainedcategories)) {
if ($debug) {
echo " accept available {$c->id} ... ";
}
$availableareacourses[$c->id] = $c;
$excludedcourses[$c->id] = 1;
} else {
if ($debug) {
echo " reject enrollable {$c->id} not in cat <br/>";
}
}
}
if (!empty($myareacourses) || !empty($availableareacourses)) {
if ($reali % 3 == 0) {
$str .= '</tr><tr valign="top">';
}
$str .= '<td width="33%">';
$str .= '<div class="block block_coursearea_courses">';
$str .= '<div class="header">';
$str .= '<div class="title">';
$str .= $OUTPUT->heading(format_string($mastercategory->name), 2, 'headingblock header');
$str .= '</div>';
$str .= '</div>';
$str .= '<div class="content">';
$str .= '<table id="courselistarea' . $reali . '" width="100%" class="courselist">';
$str .= '<tr valign="top">';
$str .= '<td>';
if (empty($options['nooverview'])) {
if (count($myareacourses) < $config->maxoverviewedlistsize) {
$str .= local_print_course_overview($myareacourses, $options);
} else {
// Solve a performance issue for people having wide access to courses.
$str .= local_print_courses_by_cats($myareacourses, $options);
}
} else {
// Aggregate my courses with the available and print in one unique list.
$availableareacourses = $myareacourses + $availableareacourses;
}
if (!empty($availableareacourses)) {
$str .= local_my_print_courses('available', $availableareacourses, $options);
}
$str .= '</td>';
$str .= '</tr>';
$str .= '</table>';
$str .= '</div>';
$str .= '</div>';
$str .= '</td>';
$reali++;
}
}
$str .= '</tr>';
$str .= '</table>';
return $str;
}
