From 5980f94d431da9f7c9badbde8cef6d9c359d20ca Mon Sep 17 00:00:00 2001
From: Dominik George <nik@naturalnet.de>
Date: Fri, 23 Aug 2019 09:09:21 +0200
Subject: [PATCH] Add comments.

---
 biscuit/apps/alsijil/views.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/biscuit/apps/alsijil/views.py b/biscuit/apps/alsijil/views.py
index 1a8e1ab28..84a4c9b66 100644
--- a/biscuit/apps/alsijil/views.py
+++ b/biscuit/apps/alsijil/views.py
@@ -17,9 +17,11 @@ def lesson(request: HttpRequest, week: Optional[int] = None, period_id: Optional
     context = {}
 
     if week and period_id:
+        # Get a specific lesson period if provided in URL
         lesson_period = LessonPeriod.objects.get(pk=period_id)
         wanted_week = week
     else:
+        # Determine current lesson by current date and time
         lesson_period = current_lesson_periods().filter(
             lesson__teachers=request.user.person).first()
         wanted_week = current_week()
@@ -28,11 +30,13 @@ def lesson(request: HttpRequest, week: Optional[int] = None, period_id: Optional
     context['week'] = wanted_week
 
     if lesson_period:
+        # Create or get lesson documentation object; can be empty when first opening lesson
         lesson_documentation, created = LessonDocumentation.objects.get_or_create(lesson_period=lesson_period, week=wanted_week)
         lesson_documentation_form = LessonDocumentationForm(request.POST or None, instance=lesson_documentation)
 
         if request.method == 'POST':
             if request.POST.get('action', None) == 'lesson_documentation':
+                # Save the lesson documentation
                 if lesson_documentation_form.is_valid():
                     lesson_documentation_form.save()
 
-- 
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