1 files changed, 35 insertions, 0 deletions
diff --git a/lib/models/calendar/CalendarCourseExDate.php b/lib/models/calendar/CalendarCourseExDate.php
new file mode 100644
index 0000000..eb23aeb
--- /dev/null
+++ b/lib/models/calendar/CalendarCourseExDate.php
@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * CalendarCourseExDate is a specialisation of CourseExDate for
+ * cancelled course dates that are displayed in the personal calendar.
+ */
+class CalendarCourseExDate extends CourseExDate
+{
+    public static function getEvents(DateTime $begin, DateTime $end, string $range_id): array
+    {
+        return parent::findBySQL(
+            "JOIN `seminar_user`
+               ON `seminar_user`.`seminar_id` = `ex_termine`.`range_id`
+             WHERE `seminar_user`.`user_id` = :user_id
+               AND `seminar_user`.`bind_calendar` = '1'
+               AND `ex_termine`.`date` BETWEEN :begin AND :end
+               AND `ex_termine`.`content` <> ''
+               AND (
+                   IFNULL(`ex_termine`.`metadate_id`, '') = ''
+                   OR `ex_termine`.`metadate_id` NOT IN (
+                       SELECT `metadate_id`
+                       FROM `schedule_seminare`
+                       WHERE `user_id` = :user_id
+                         AND `visible` = 0
+                 )
+             )
+             ORDER BY date",
+            [
+                'begin'   => $begin->getTimestamp(),
+                'end'     => $end->getTimestamp(),
+                'user_id' => $range_id
+            ]
+        );
+    }
+}