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/schema/documentation.py

@@ -116,7 +116,7 @@ class DocumentationBatchPatchMutation(PermissionBatchPatchMixin, DjangoBatchPatc
         permissions = ("alsijil.edit_documentation_rule",)  # FIXME
 
 
-class DocumentationInputType(graphene.ObjectType):
+class DocumentationInputType(graphene.InputObjectType):
     course = graphene.ID(required=False)
     subject = graphene.ID(required=False)
 
@@ -130,7 +130,7 @@ class DocumentationCreateOrUpdateMutation(graphene.Mutation):
         id = graphene.ID(required=True)
         input = DocumentationInputType(required=False)
 
-    documentation = DocumentationType()
+    documentation = graphene.Field(DocumentationType)
 
     @classmethod
     def mutate(cls, root, info, id, input):