Rework how slugs are generated/referenced #393

src/documents/admin.py

@@ -125,6 +125,8 @@ class CorrespondentAdmin(CommonAdmin):
     list_filter = ("matching_algorithm",)
     list_editable = ("match", "matching_algorithm")
 
+    readonly_fields = ("slug",)
+
     def get_queryset(self, request):
         qs = super(CorrespondentAdmin, self).get_queryset(request)
         qs = qs.annotate(
@@ -149,6 +151,8 @@ class TagAdmin(CommonAdmin):
     list_filter = ("colour", "matching_algorithm")
     list_editable = ("colour", "match", "matching_algorithm")
 
+    readonly_fields = ("slug",)
+
     def get_queryset(self, request):
         qs = super(TagAdmin, self).get_queryset(request)
         qs = qs.annotate(document_count=models.Count("documents"))