Resolve "Add export functionality to course book"

Closes #258 (closed)

aleksis/apps/alsijil/model_extensions.py

@@ -93,6 +93,16 @@ def annotate_person_statistics(
     return persons
 
 
+def  annotate_person_statistics_from_documentations(docs: QuerySet[Documentation]) -> QuerySet[Person]:
+    """Annotate a queryset of persons with class register statistics from queryset of documentations."""
+    docs = list(documentations.values_list("pk", flat=True))
+    return annotate_person_statistics(
+        persons,
+        Q(participations__related_documentation__in=docs),
+        Q(new_personal_notes__documentation__in=docs),
+    )
+
+
 def annotate_person_statistics_for_school_term(
     persons: QuerySet[Person], school_term: SchoolTerm, group: Group | None = None
 ) -> QuerySet[Person]:
@@ -103,9 +113,4 @@ def annotate_person_statistics_for_school_term(
     )
     if group:
         documentations.filter(Q(course__groups=group) | Q(course__groups__parent_groups=group))
-    docs = list(documentations.values_list("pk", flat=True))
-    return annotate_person_statistics(
-        persons,
-        Q(participations__related_documentation__in=docs),
-        Q(new_personal_notes__documentation__in=docs),
-    )
+    return annotate_person_statistics_from_documentations(documentations)