delete form

app/applicationlayer/cms/form/header/serializers.py

@@ -44,21 +44,9 @@ class ChangeRequestFormHeaderSerializer(
                     approver = 'Yes'
             else:
                 approver = 'No'
-            ret['action'] = approver
-
-            requested_to_company = {
-                "id": instance.requested_to_company.id,
-                "name": instance.requested_to_company.name,
-                "contact": instance.requested_to_company.contact_details,
-                "code": instance.requested_to_company.code
-            }
-
-            requested_to_department = {
-                "id": instance.requested_to_department.id,
-                "name": instance.requested_to_department.name,
-                "code": instance.requested_to_department.code
-            }
 
+            ret['action'] = approver
+            
             requested_to_user = {
                 "id": instance.requested_to_user.id,
                 "name": instance.requested_to_user.name,
@@ -77,17 +65,11 @@ class ChangeRequestFormHeaderSerializer(
                 "contact_no": instance.requested_by_user.contact_no
             }
 
-            requested_by_department = {
-                "id": instance.requested_by_department.id,
-                "name": instance.requested_by_department.name,
-                "code": instance.requested_by_department.code
-            }
-
-            ret['requested_to_company'] = requested_to_company
-            ret['requested_to_department'] = requested_to_department
+            ret['requested_to_company'] = model_to_dict(instance.requested_to_company)
+            ret['requested_to_department'] = model_to_dict(instance.requested_to_department)
             ret['requested_to_user'] = requested_to_user
             ret['requested_by_user'] = requested_by_user
-            ret['requested_by_department'] = requested_by_department
+            ret['requested_by_department'] = model_to_dict(instance.requested_by_department)
             
             return ret
         except Exception as e:

app/applicationlayer/cms/form/header/views.py

@@ -26,7 +26,8 @@ from app.applicationlayer.cms.utils_cr import (number_generator,
                                                send_mail_vendor,
                                                get_max_batchno,
                                                generate_template_id,
-                                               crhistory_create_save)
+                                               crhistory_create_save,
+                                               entity_log_bulk)
 
 from app.entities import enums
 from django.forms.models import model_to_dict
@@ -366,6 +367,83 @@ class ChangeRequestFormsViewset(viewsets.ModelViewSet):
         instance = self.get_object()
         serializer = self.get_serializer(instance)
         return Response(serializer.data)
+    
+    @transaction.atomic()
+    def destroy(self, request, *args, **kwargs):
+        try:
+            form_code = self.kwargs['form_code']
+            existing_transaction = models.ChangeRequestHistory.objects.filter(
+                form_code=form_code
+            )
+            
+            if not existing_transaction.count() > 0:
+                enum_approver = enums.LogEntitiesEnum.ChangeRequestFormApprovers.value
+                enum_stake = enums.LogEntitiesEnum.ChangeRequestFormStakeHolders.value
+                enum_attach = enums.LogEntitiesEnum.ChangeRequestFormAttachments.value
+                enum_detail = enums.LogEntitiesEnum.ChangeRequestFormDetails.value
+                enum_header = enums.LogEntitiesEnum.ChangeRequestFormHeader.value
+
+                approver = models.ChangeRequestFormApprovers.objects.filter(
+                    form_code=form_code
+                )
+
+                if approver.count() > 0:
+                    entity_log_bulk(
+                        approver, enum_approver,
+                        models.ChangeRequestFormApprovers
+                    )
+                
+                stake = models.ChangeRequestFormStakeHolders.objects.filter(
+                    form_code=form_code
+                )
+
+                if stake.count() > 0:
+                    entity_log_bulk(
+                        stake, enum_stake,
+                        models.ChangeRequestFormStakeHolders
+                    )
+
+                attachment = models.ChangeRequestFormAttachments.objects.filter(
+                    form_code=form_code
+                )
+
+                if attachment.count() > 0:
+                    entity_log_bulk(
+                        attachment, enum_attach,
+                        models.ChangeRequestFormAttachments
+                    )
+
+                details = models.ChangeRequestFormDetails.objects.filter(
+                    form_code=form_code
+                )
+
+                if details.count() > 0:
+                    entity_log_bulk(
+                        details, enum_detail,
+                        models.ChangeRequestFormDetails
+                    )
+
+                header = models.ChangeRequestFormHeader.objects.filter(
+                    form_code=form_code
+                )
+
+                if header.count() > 0:
+                    entity_log_bulk(
+                        header, enum_header,
+                        models.ChangeRequestFormHeader
+                    )
+                
+                return Response({"message": "Deleted"},
+                status=status.HTTP_200_OK)
+            
+            else:
+                return Response(
+                    {"message": "Change request cannot be deleted due to previous transaction/s"},
+                    status=status.HTTP_400_BAD_REQUEST)
+
+        except Exception as e:
+            return Response(e,
+                            status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 
     @action(
         methods=['PATCH'], detail=True,

app/applicationlayer/cms/template/header/serializers.py

@@ -32,7 +32,6 @@ class ChangeRequestTemplatesSerializer(
     def to_representation(self, instance):
         ret = super().to_representation(instance)
         try:
-            
             requested_to_user_object = {
                 "id": instance.requested_to_user.id,
                 "name": instance.requested_to_user.name,
@@ -53,6 +52,10 @@ class ChangeRequestTemplatesSerializer(
 
             return ret
         except Exception as e:
+            
+            ret['requested_to_company_object'] = "none"
+            ret['requested_to_department_object'] = "none"
+            ret['requested_to_user_object'] = "none"
 
             ret['company'] = "none"
             ret['department'] = "none"
@@ -83,20 +86,6 @@ class ChangeRequestTemplatesSerializerList(
     def to_representation(self, instance):
         ret = super().to_representation(instance)
         try:
-
-            requested_to_user_object = {
-                "id": instance.requested_to_user.id,
-                "name": instance.requested_to_user.name,
-                "username": instance.requested_to_user.username,
-                "code": instance.requested_to_user.code,
-                "email": instance.requested_to_user.email,
-                "contact_no": instance.requested_to_user.contact_no
-            }
-
-            ret['requested_to_company_object'] = model_to_dict(instance.requested_to_company)
-            ret['requested_to_department_object'] = model_to_dict(instance.requested_to_department)
-            ret['requested_to_user_object'] = requested_to_user_object
-            
             ret['company'] = instance.requested_to_company.name
             ret['department'] = instance.requested_to_department.name
             ret['point_of_contact'] = instance.requested_to_user.name

app/entities/enums.py

@@ -67,6 +67,12 @@ class LogEntitiesEnum(Enum):
     ChangeRequestTemplateAttachments = "ChangeRequestTemplateAttachments"
     ChangeRequestTemplateDetails = "ChangeRequestTemplateDetails"
 
+    ChangeRequestFormHeader = "ChangeRequestFormHeader"
+    ChangeRequestFormApprovers = "ChangeRequestFormApprovers"
+    ChangeRequestFormStakeHolders = "ChangeRequestFormStakeHolders"
+    ChangeRequestFormAttachments = "ChangeRequestFormAttachments"
+    ChangeRequestFormDetails = "ChangeRequestFormDetails"
+
     # BRAND = "Brand"
     # CATEGORY = "Category"
     # CURRENCY = "Currency"