public static function get_unit_availability_status($unit_id)
{
$unit_details = false;
$unit = new Unit((int) $unit_id);
$unit_details = $unit->get_unit();
$unit_available_date = get_post_meta($unit_id, 'unit_availability', true);
/* Not filtering date format as it could cause conflicts. Only filter date on display. */
$current_date = date('Y-m-d', current_time('timestamp', 0));
/* Check if previous has conditions */
$previous_unit_id = self::get_previous_unit_from_the_same_course($unit->course_id, $unit_id);
$force_current_unit_completion = !empty($previous_unit_id) ? get_post_meta($previous_unit_id, 'force_current_unit_completion', true) : '';
$force_current_unit_successful_completion = !empty($previous_unit_id) ? get_post_meta($previous_unit_id, 'force_current_unit_successful_completion', true) : '';
$available = true;
$student_id = get_current_user_id();
$mandatory_done = Student_Completion::is_mandatory_complete($student_id, $unit->course_id, $previous_unit_id);
$unit_completed = Student_Completion::is_unit_complete($student_id, $unit->course_id, $previous_unit_id);
$unit->status['mandatory_required']['enabled'] = !empty($force_current_unit_completion) && 'on' == $force_current_unit_completion;
$unit->status['mandatory_required']['result'] = $mandatory_done;
$unit->status['completion_required']['enabled'] = !empty($force_current_unit_successful_completion) && 'on' == $force_current_unit_successful_completion;
$unit->status['completion_required']['result'] = $unit_completed;
$available = $unit->status['mandatory_required']['enabled'] ? $unit->status['mandatory_required']['result'] : $available;
$available = $unit->status['completion_required']['enabled'] ? $unit->status['completion_required']['result'] : $available;
$unit->status['date_restriction']['result'] = $current_date >= $unit_available_date;
if (!$unit->status['date_restriction']['result'] || !$available) {
$available = false;
} else {
$available = true;
}
/**
* Perform action if unit is available.
*
* @since 1.2.2
* */
do_action('coursepress_unit_availble', $available, $unit_id);
/**
* Return filtered value.
*
* Can be used by other plugins to filter unit availability.
*
* @since 1.2.2
* */
$available = apply_filters('coursepress_filter_unit_availability', $available, $unit_id);
$status = $unit->status;
$status['available'] = $available;
return $status;
}
