Add procedures filter to NormalCaseFilter; update fields and queryset handling

atlas/filters.py

@@ -11,6 +11,7 @@ from .models import (
     Finding,
     PathologicalProcess,
     Presentation,
+    Procedure,
     QuestionSchema,
     Series,
     Structure,
@@ -437,6 +438,7 @@ class NormalCaseFilter(django_filters.FilterSet):
     """
     examination = django_filters.ModelChoiceFilter(queryset=Series.objects.none())
     modality = django_filters.ModelChoiceFilter(queryset=Series.objects.none())
+    procedures = django_filters.ModelMultipleChoiceFilter(field_name="case__procedures", queryset=Procedure.objects.all(), label="Procedure")
     # Accept min/max as years in the UI but filter against the canonical
     # `age_days` field by converting years -> days.
     # Numeric min/max values entered by the user (interpreted via `age_unit`)
@@ -452,7 +454,7 @@ class NormalCaseFilter(django_filters.FilterSet):
 
     class Meta:
         model = NormalCase
-        fields = ("examination", "modality", "age_days")
+        fields = ("examination", "modality", "procedures", "age_days")
 
     def __init__(self, data=None, queryset=None, prefix=None, strict=None, user=None, request=None):
         # Use the global Examination and Modality querysets from the Series model
@@ -479,8 +481,10 @@ class NormalCaseFilter(django_filters.FilterSet):
         try:
             exam_ids = nc_qs.values_list("examination_id", flat=True)
             mod_ids = nc_qs.values_list("modality_id", flat=True)
+            proc_ids = nc_qs.values_list("case__procedures", flat=True)
             self.base_filters.get("examination").queryset = Examination.objects.filter(id__in=exam_ids).distinct()
             self.base_filters.get("modality").queryset = Modality.objects.filter(id__in=mod_ids).distinct()
+            self.base_filters.get("procedures").queryset = Procedure.objects.filter(id__in=proc_ids).distinct()
         except Exception:
             # Fallback to all if something goes wrong
             self.base_filters.get("examination").queryset = Examination.objects.all()
@@ -500,6 +504,7 @@ class NormalCaseFilter(django_filters.FilterSet):
                 Div(
                     Div("examination", css_class="col-md-3"),
                     Div("modality", css_class="col-md-3"),
+                    Div("procedures", css_class="col-md-3"),
                     css_class="row g-2",
                 ),
                 Div(