[post_id,...]) for an
* existing newsletter. Pass null for a fresh month:
* every item is then checked by default.
*/
public function render_sections_html(array $month_data, ?array $checked_ids = null): string {
$groups = Thalim_NL_Post_Query::get_eligible_categories();
// No saved newsletter yet → everything checked by default.
$check_all = ($checked_ids === null);
ob_start();
$has_content = false;
foreach ($groups as $parent_id => $group) {
// Collect all cat IDs in this group: parent + children
$cats_in_group = [$parent_id => $group['name']];
foreach ($group['children'] as $cid => $cname) {
$cats_in_group[$cid] = $cname;
}
// Check if any cat in this group has posts
$group_has_posts = false;
foreach ($cats_in_group as $cid => $cname) {
if (!empty($month_data[$cid])) {
$group_has_posts = true;
break;
}
}
if (!$group_has_posts) {
continue;
}
$has_content = true;
?>
$label):
$posts = $month_data[$cat_id] ?? [];
if (empty($posts)) {
continue;
}
$count = count($posts);
$checked_in_section = $check_all
? []
: (array) ($checked_ids[$cat_id] ?? $checked_ids[(string) $cat_id] ?? []);
$has_checked = $check_all || !empty($checked_in_section);
// Restore the saved drag-and-drop order ($checked_in_section is
// stored in submit order). For seminars this also reorders the
// seminar groups, since grouping below follows first appearance.
if (!$check_all) {
$posts = $this->reorder_posts_by_saved($posts, $checked_in_section);
}
?>
>
()