From 804350a646291e95e271366d3e83e32479839ac7 Mon Sep 17 00:00:00 2001
From: Dominik George <dominik.george@teckids.org>
Date: Thu, 7 Nov 2019 22:11:24 +0100
Subject: [PATCH] Add model extensions for a person's lesson periods.
---
biscuit/apps/chronos/model_extensions.py | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/biscuit/apps/chronos/model_extensions.py b/biscuit/apps/chronos/model_extensions.py
index 25acbd54..b4a6d4ad 100644
--- a/biscuit/apps/chronos/model_extensions.py
+++ b/biscuit/apps/chronos/model_extensions.py
@@ -1,8 +1,18 @@
from biscuit.core.models import Person
-from .models import Lesson
+from .models import Lesson, LessonPeriod
@Person.property
def lessons_as_participant(self):
return Lesson.objects.filter(groups__members=self)
+
+
+@Person.property
+def lesson_periods_as_participant(self):
+ return LessonPeriod.objects.filter(lesson__groups__members=self)
+
+
+@Person.property
+def lesson_periods_as_teacher(self):
+ return LessonPeriod.objects.filter(lesson__teachers=self)
--
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