* method for determining full weeks containing specific month, based on a timezone preference

1 files changed, 17 insertions, 0 deletions

diff --git a/app/php/facades/CalendarFacade.php b/app/php/facades/CalendarFacade.php
index 48dda8e..1f78594 100644
--- a/app/php/facades/CalendarFacade.php
+++ b/app/php/facades/CalendarFacade.php
@@ -4,6 +4,7 @@ Prado::using('Application.facades.Facade');
 Prado::using('Application.facades.EventFacade');
 Prado::using('Application.dto.CalendarDTO');
 Prado::using('Application.dto.CalendarGroupDTO');
+Prado::using('Application.dto.TimezoneDTO');
 Prado::using('Application.model.Calendar');
 Prado::using('Application.model.Category');
 Prado::using('Application.model.UserPreference');
@@ -190,6 +191,22 @@ class CalendarFacade extends Facade {
         return NULL;
     }
 
+    public function getCalendarBoundaries($year, $month, TimezoneDTO $timezone) {
+        $firstDay = new DateTime(sprintf('%d-%02d', $year, $month),
+                                 new DateTimeZone($timezone->Name));
+        $firstDayAfter = clone $firstDay;
+        $firstDayAfter->modify('last day of this month')->modify('+1 day');
+        $firstDayOfTheWeek = $timezone->FirstDayOfTheWeek;
+        if ($firstDay->format('D') !== $firstDayOfTheWeek) {
+            $firstDay->modify('last ' . $firstDayOfTheWeek);
+        }
+        if ($firstDayAfter->format('D') !== $firstDayOfTheWeek) {
+            $firstDayAfter->modify('next ' . $firstDayOfTheWeek);
+        }
+        $firstDayAfter->modify('-1 day');
+        return [$firstDay, $firstDayAfter];
+    }
+
 }
 
 ?>