Resolve "Add export functionality to course book"

Closes #258 (closed)

aleksis/apps/alsijil/model_extensions.py

@@ -115,6 +115,19 @@ def annotate_person_statistics(
     return persons
 
 
+def annotate_person_statistics_from_documentations(
+    persons: QuerySet[Person], docs: QuerySet[Documentation]
+) -> QuerySet[Person]:
+    """Annotate a queryset of persons with class register statistics from documentations."""
+    docs = list(docs.values_list("pk", flat=True))
+    return annotate_person_statistics(
+        persons,
+        Q(participations__related_documentation__in=docs),
+        Q(new_personal_notes__documentation__in=docs),
+        ignore_filters=len(docs) == 0,
+    )
+
+
 def annotate_person_statistics_for_school_term(
     persons: QuerySet[Person], school_term: SchoolTerm, group: Group | None = None
 ) -> QuerySet[Person]:
@@ -133,10 +146,4 @@ def annotate_person_statistics_for_school_term(
                 )
             )
         )
-    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),
-        ignore_filters=len(docs) == 0,
-    )
+    return annotate_person_statistics_from_documentations(persons, documentations)