fix(core): Add ability to add notes for ticket category

ref: #662 #667

app/core/viewsets/ticket_category_notes.py

@@ -0,0 +1,65 @@
+from drf_spectacular.utils import extend_schema, extend_schema_view, OpenApiResponse
+
+from core.serializers.ticket_category_notes import (
+    TicketCategoryNotes,
+    TicketCategoryNoteModelSerializer,
+    TicketCategoryNoteViewSerializer,
+)
+
+from core.viewsets.model_notes import ModelNoteViewSet
+
+
+
+@extend_schema_view(
+    create=extend_schema(
+        summary = 'Add a note to a Ticket Category',
+        description = '',
+        responses = {
+            201: OpenApiResponse(description='created', response=TicketCategoryNoteViewSerializer),
+            400: OpenApiResponse(description='Validation failed.'),
+            403: OpenApiResponse(description='User is missing create permissions'),
+        }
+    ),
+    destroy = extend_schema(
+        summary = 'Delete a Ticket Category note',
+        description = ''
+    ),
+    list = extend_schema(
+        summary = 'Fetch all Ticket Category notes',
+        description='',
+    ),
+    retrieve = extend_schema(
+        summary = 'Fetch a single Ticket Category note',
+        description='',
+    ),
+    update = extend_schema(exclude = True),
+    partial_update = extend_schema(
+        summary = 'Update a Ticket Category note',
+        description = ''
+    ),
+)
+class ViewSet(ModelNoteViewSet):
+
+    model = TicketCategoryNotes
+
+
+    def get_serializer_class(self):
+
+        if self.serializer_class is not None:
+
+            return self.serializer_class
+
+
+        if (
+            self.action == 'list'
+            or self.action == 'retrieve'
+        ):
+
+            self.serializer_class = TicketCategoryNoteViewSerializer
+
+
+        else:
+            
+            self.serializer_class = TicketCategoryNoteModelSerializer
+
+        return self.serializer_class