diff --git a/advlabdb/adminModelViews.py b/advlabdb/adminModelViews.py
index ee22906..c3b73d6 100644
--- a/advlabdb/adminModelViews.py
+++ b/advlabdb/adminModelViews.py
@@ -74,16 +74,14 @@ def semesterExperimentQueryFactory():
     return SemesterExperiment.query.filter(SemesterExperiment.semester == userActiveSemester())
 
 
-def semesterFilterOptions():
-    semesters = Semester.query.order_by(Semester.id.desc())
-    return tuple((semester.id, semester.repr()) for semester in semesters)
+class SemesterRowFilter(FilterEqual):
+    def get_options(self, view):
+        semesters = Semester.query.order_by(Semester.id.desc())
+        return tuple((semester.id, semester.repr()) for semester in semesters)
 
 
 class UserView(SecureAdminModelView):
-    class SemesterFilter(FilterEqual):
-        def get_options(self, view):
-            return semesterFilterOptions()
-
+    class SemesterFilter(SemesterRowFilter):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.active_semester_id == int(value))
 
@@ -435,17 +433,15 @@ def groupQueryFactory():
     return Group.query.filter(Group.semester == userActiveSemester())
 
 
-def partFilterOptions():
-    if has_request_context():
-        parts = Part.query.filter(Part.semester == userActiveSemester())
-        return tuple((part.id, f"{part.program.repr()}{part.number}") for part in parts)
+class PartRowFilter(FilterEqual):
+    def get_options(self, view):
+        if has_request_context():
+            parts = Part.query.filter(Part.semester == userActiveSemester())
+            return tuple((part.id, f"{part.program.repr()}{part.number}") for part in parts)
 
 
 class PartStudentView(SecureAdminModelView):
-    class PartFilter(FilterEqual):
-        def get_options(self, view):
-            return partFilterOptions()
-
+    class PartFilter(PartRowFilter):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.part_id == int(value))
 
@@ -537,16 +533,14 @@ def partStudentQueryFactory():
     return PartStudent.query.filter(PartStudent.part.has(Part.semester == userActiveSemester()))
 
 
-def programFilterOptions():
-    programs = Program.query
-    return tuple((program.id, program.repr()) for program in programs)
+class ProgramRowFilter(FilterEqual):
+    def get_options(self, view):
+        programs = Program.query
+        return tuple((program.id, program.repr()) for program in programs)
 
 
 class GroupView(SecureAdminModelView):
-    class ProgramFilter(FilterEqual):
-        def get_options(self, view):
-            return programFilterOptions()
-
+    class ProgramFilter(ProgramRowFilter):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.program_id == int(value))
 
@@ -608,10 +602,7 @@ class GroupView(SecureAdminModelView):
 
 
 class ExperimentView(SecureAdminModelView):
-    class ProgramFilter(FilterEqual):
-        def get_options(self, view):
-            return programFilterOptions()
-
+    class ProgramFilter(ProgramRowFilter):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.program_id == int(value))
 
@@ -670,10 +661,7 @@ def assistantQueryFactory():
 
 
 class SemesterExperimentView(SecureAdminModelView):
-    class ProgramFilter(FilterEqual):
-        def get_options(self, view):
-            return programFilterOptions()
-
+    class ProgramFilter(ProgramRowFilter):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.experiment.has(Experiment.program_id == int(value)))
 
@@ -872,22 +860,20 @@ class AdminView(SecureAdminModelView):
 assistantBlankText = "Auto assign if experiment has only one assistant"
 
 
-def experimentFilterOptions():
-    activeExperiments = Experiment.query.filter(Experiment.active == True)
-    return tuple(
-        (
-            f"{activeExperiment.number},{activeExperiment.program_id}",
-            f"{activeExperiment.number} {activeExperiment.program.repr()}",
+class ExperimentRowFilter(FilterEqual):
+    def get_options(self, view):
+        activeExperiments = Experiment.query.filter(Experiment.active == True)
+        return tuple(
+            (
+                f"{activeExperiment.number},{activeExperiment.program_id}",
+                f"{activeExperiment.number} {activeExperiment.program.repr()}",
+            )
+            for activeExperiment in activeExperiments
         )
-        for activeExperiment in activeExperiments
-    )
 
 
 class GroupExperimentView(SecureAdminModelView):
-    class ExperimentFilter(FilterEqual):
-        def get_options(self, view):
-            return experimentFilterOptions()
-
+    class ExperimentFilter(ExperimentRowFilter):
         def apply(self, query, value, alias=None):
             values = value.split(",")
             experimentNumber = int(values[0])
@@ -1014,16 +1000,14 @@ def groupExperimentQueryFactory():
     )
 
 
-def assistantFilterOptions():
-    activeAssistants = assistantQueryFactory()
-    return tuple((assistant.id, assistant.repr()) for assistant in activeAssistants)
+class AssistantRowFilter(FilterEqual):
+    def get_options(self, view):
+        activeAssistants = assistantQueryFactory()
+        return tuple((assistant.id, assistant.repr()) for assistant in activeAssistants)
 
 
 class AppointmentView(SecureAdminModelView):
-    class ExperimentFilter(FilterEqual):
-        def get_options(self, view):
-            return experimentFilterOptions()
-
+    class ExperimentFilter(ExperimentRowFilter):
         def apply(self, query, value, alias=None):
             values = value.split(",")
             experimentNumber = int(values[0])
@@ -1042,10 +1026,7 @@ class AppointmentView(SecureAdminModelView):
                 ),
             )
 
-    class AssistantFilter(FilterEqual):
-        def get_options(self, view):
-            return assistantFilterOptions()
-
+    class AssistantFilter(AssistantRowFilter):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.assistant_id == int(value))
 
@@ -1144,10 +1125,7 @@ class ExperimentMarkView(SecureAdminModelView):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.part_student.has(PartStudent.student_id == int(value)))
 
-    class AssistantFilter(FilterEqual):
-        def get_options(self, view):
-            return assistantFilterOptions()
-
+    class AssistantFilter(AssistantRowFilter):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.assistant_id == int(value))
 
@@ -1159,10 +1137,7 @@ class ExperimentMarkView(SecureAdminModelView):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.admin_id == int(value))
 
-    class ExperimentFilter(FilterEqual):
-        def get_options(self, view):
-            return experimentFilterOptions()
-
+    class ExperimentFilter(ExperimentRowFilter):
         def apply(self, query, value, alias=None):
             values = value.split(",")
             experimentNumber = int(values[0])
@@ -1181,24 +1156,15 @@ class ExperimentMarkView(SecureAdminModelView):
                 ),
             )
 
-    class ProgramFilter(FilterEqual):
-        def get_options(self, view):
-            return programFilterOptions()
-
+    class ProgramFilter(ProgramRowFilter):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.part_student.has(PartStudent.part.has(Part.program_id == int(value))))
 
-    class PartFilter(FilterEqual):
-        def get_options(self, view):
-            return partFilterOptions()
-
+    class PartFilter(PartRowFilter):
         def apply(self, query, value, alias=None):
             return query.filter(self.column.part_student.has(PartStudent.part_id == int(value)))
 
-    class SemesterFilter(FilterEqual):
-        def get_options(self, view):
-            return semesterFilterOptions()
-
+    class SemesterFilter(SemesterRowFilter):
         def apply(self, query, value, alias=None):
             return query.filter(
                 self.column.group_experiment.has(
@@ -1313,9 +1279,9 @@ class ExperimentMarkView(SecureAdminModelView):
             model.part_student.checkThenSetFinalPartMark()
 
             return ret
-        else:
-            # Nothing changed
-            return True
+
+        # Nothing changed
+        return True
 
 
 class ProgramView(SecureAdminModelView):