feat(project_management): Project Milestone Notes ViewSet

ref: #525 #542

app/api/urls_v2.py

@@ -97,6 +97,7 @@ from project_management.viewsets import (
     index as project_management_v2,
     project as project_v2,
     project_milestone as project_milestone_v2,
+    project_milestone_notes,
     project_notes,
     project_state as project_state_v2,
     project_task,
@@ -188,6 +189,7 @@ router.register('itim/service/(?P<model_id>[0-9]+)/notes', service_notes.ViewSet
 router.register('project_management', project_management_v2.Index, basename='_api_v2_project_management_home')
 router.register('project_management/project', project_v2.ViewSet, basename='_api_v2_project')
 router.register('project_management/project/(?P<project_id>[0-9]+)/milestone', project_milestone_v2.ViewSet, basename='_api_v2_project_milestone')
+router.register('project_management/project/(?P<project_id>[0-9]+)/milestone/(?P<model_id>[0-9]+)/notes', project_milestone_notes.ViewSet, basename='_api_v2_project_milestone_note')
 router.register('project_management/project/(?P<model_id>[0-9]+)/notes', project_notes.ViewSet, basename='_api_v2_project_note')
 router.register('project_management/project/(?P<project_id>[0-9]+)/project_task', project_task.ViewSet, basename='_api_v2_ticket_project_task')
 

app/project_management/serializers/project_milestone.py

@@ -66,6 +66,14 @@ class ProjectMilestoneModelSerializer(
                     'model_pk': item.pk
                 }
             ),
+            'notes': reverse(
+                "v2:_api_v2_project_milestone_note-list",
+                request=self._context['view'].request,
+                kwargs={
+                    'project_id': item.project.pk,
+                    'model_id': item.pk
+                }
+            ),
         }
 
 

app/project_management/viewsets/project_milestone_notes.py

@@ -0,0 +1,66 @@
+from drf_spectacular.utils import extend_schema, extend_schema_view, OpenApiResponse
+
+from core.viewsets.model_notes import ModelNoteViewSet
+
+from project_management.serializers.project_milestone_notes import (
+    ProjectMilestoneNotes,
+    ProjectMilestoneNoteModelSerializer,
+    ProjectMilestoneNoteViewSerializer,
+)
+
+
+
+
+@extend_schema_view(
+    create=extend_schema(
+        summary = 'Add a note to a Project Milestone',
+        description = '',
+        responses = {
+            201: OpenApiResponse(description='created', response=ProjectMilestoneNoteViewSerializer),
+            400: OpenApiResponse(description='Validation failed.'),
+            403: OpenApiResponse(description='User is missing create permissions'),
+        }
+    ),
+    destroy = extend_schema(
+        summary = 'Delete a Project Milestone note',
+        description = ''
+    ),
+    list = extend_schema(
+        summary = 'Fetch all Project Milestone notes',
+        description='',
+    ),
+    retrieve = extend_schema(
+        summary = 'Fetch a single Project Milestone note',
+        description='',
+    ),
+    update = extend_schema(exclude = True),
+    partial_update = extend_schema(
+        summary = 'Update a Project Milestone note',
+        description = ''
+    ),
+)
+class ViewSet(ModelNoteViewSet):
+
+    model = ProjectMilestoneNotes
+
+
+    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 = ProjectMilestoneNoteViewSerializer
+
+
+        else:
+            
+            self.serializer_class = ProjectMilestoneNoteModelSerializer
+
+        return self.serializer_class