Resolve "Add simple course book list"

Closes #256 (closed) Closes #63 (closed)

Screenshots

Frontend todos

• Uhrzeit so wie im Mockup
  • Rechtsbuendig @ZugBahnHof
• Kasten nicht höher als input-feld
• fach und subject strukturierter nebeneinander
• Kursnamen irgendwie hervorheben
• datum gleiche einrückung wie das datum
• datum sollte überschrift sein und prominenter gestaltet
• datum braucht Wochentag
• mittlere spalte linksaligned
• Indikator ob Stundenthema richtig gespeichert wurde (@yuha )
  • when hovering over icon & success: show some fancy success message
  • when hovering over icon & error: show error message
• verify that changes are being tracked using revisions (using a mixin in core creating revisions when mutating) (blocked by AlekSIS-Core!1433 (merged))
• Remove outer card
• Move search, group select, ... into an app bar (see also this)
• Bottom sheet for date select should not be full width of screen (@yuha )
• Statusicon am Anfang der Zeile fehlt (#63 (closed) explains the different stati)

aleksis/apps/alsijil/models.py

@@ -521,11 +521,9 @@ class Documentation(CalendarEvent):
 
         obj_type may be one of TEACHER, GROUP, ROOM, COURSE
         """
-        # documentations = Documentation.objects.filter(
-        #     Q(course__pk=course_id) | Q(lesson_event__course__pk=course_id)
-        # )
 
         # 1. Find all LessonEvents for all Lessons of this Course in this date range
+        #  TODO: verify that substitutions don't break this
         events = LessonEvent.get_single_events(date_start, date_end, request, {"type": obj_type, "id": obj_id, }, with_reference_obj=True)
         # (1.5 filter them by permissions)
         ...
@@ -534,20 +532,21 @@ class Documentation(CalendarEvent):
         # if so, add the documentation to a list, if not, create a new one
         return [
             (
-                event_reference_obj.first()
-                if event_reference_obj.documentation.exists() else
+                event_reference_obj.documentation.first()  # TODO: probably show all documentations
+                if (event_reference_obj := event["REFERENCE_OBJ"]).documentation.exists() else
                 cls(
                     pk=f"DUMMY:{event_reference_obj.id}",
                     lesson_event=event_reference_obj,
-                    # course=Course.objects.filter(id=event_meta["course"]["id"]).first(),
-                    # subject=Subject.objects.get(id=event_meta["subject"]["id"] or event_meta["course"]["subject"]["id"]),
+                    course=event_reference_obj.course,
+                    subject=event_reference_obj.subject,
+                    datetime_start=event["DTSTART"].dt,
+                    datetime_end=event["DTEND"].dt,
                 )
             )
-            for event_reference_obj in [e["REFERENCE_OBJ"] for e in events]
+            for event in events
         ]
 
 
-
 class ParticipationStatus(ExtensibleModel):
     """A participation or absence record about a single person.