public function calendar($args)
{
// @todo Validate args.
$yearNum = isset($args['year']) ? $args['year'] : date('Y');
$monthNum = isset($args['month']) ? $args['month'] : date('m');
$template = new \WordPress\Tabulate\Template('calendar.html');
$table = $this->get_table($args['table']);
$template->table = $table;
$template->action = 'calendar';
$template->record = $table->get_default_record();
$factory = new \CalendR\Calendar();
$template->weekdays = $factory->getWeek(new \DateTime('Monday this week'));
$month = $factory->getMonth(new \DateTime($yearNum . '-' . $monthNum . '-01'));
$template->month = $month;
$records = array();
foreach ($table->get_columns('date') as $dateCol) {
$dateColName = $dateCol->get_name();
// Filter to the just the requested month.
$table->add_filter($dateColName, '>=', $month->getBegin()->format('Y-m-d'));
$table->add_filter($dateColName, '<=', $month->getEnd()->format('Y-m-d'));
foreach ($table->get_records() as $rec) {
$dateVal = $rec->{$dateColName}();
// Initialise the day's list of records.
if (!isset($records[$dateVal])) {
$records[$dateVal] = array();
}
// Add this record to the day's list.
$records[$dateVal][] = $rec;
}
}
// $records is grouped by date, with each item in a single date being
// an array like: ['record'=>Record, 'column'=>$name_of_date_column]
$template->records = $records;
return $template->render();
}
