re route and resubmit

app/applicationlayer/cms/form/serializers.py

@@ -63,7 +63,7 @@ class ChangeRequestFormDetailsSerializer(
 
 
 class ChangeRequestFormHeaderSerializer(
-    serializers.ModelSerializer
+    WritableNestedModelSerializer
 ):
     frm_approvers = ChangeRequestFormApproversSerializer(
         many=True, required=False)
@@ -73,13 +73,15 @@ class ChangeRequestFormHeaderSerializer(
         many=True, required=False)
     frm_details = ChangeRequestFormDetailsSerializer(
         many=True, required=False)
-
+    
     def to_representation(self, instance):
         ret = super().to_representation(instance)
         try:
             # id_number = self.context.get('request').META.get('user')
-            
-            id_number = "USER-20190909-0000005"
+            user = self.context['request'].user
+            print(user)
+
+            # id_number = "USER-20190909-0000005"
             current_level = models.ChangeRequestFormApprovers.objects.filter(
                 Q(form_code=ret['form_code']) &
                 Q(archived_at=None) &
@@ -105,5 +107,15 @@ class ChangeRequestFormHeaderSerializer(
 
     class Meta:
         model = models.ChangeRequestFormHeader
-        fields = '__all__'
+        # fields = '__all__'
+        fields = ('form_code', 'requested_to_template_name', 'requested_to_objective',
+                  'requested_to_target_date', 'requested_to_priority',
+                  'description', 'created', 'cancel_date', 'status',
+                  'company_desc', 'department_desc', 'requested_desc',
+                  'requested_to_template_id', 'requested_to_company',
+                  'requested_to_department', 'requested_to_user',
+                  'requested_by_user', 'requested_by_department',
+                  'template_no', 'frm_approvers', 'frm_stakes',
+                  'frm_attachments', 'frm_details')
+
         read_only_fields = ['created', 'archived_at', 'form_code']

app/applicationlayer/cms/form/views.py

@@ -23,6 +23,8 @@ from django.db import transaction, IntegrityError, connection
 from app.applicationlayer.utils import QuerySetHelper
 from app.businesslayer.changerequest import change_request
 from app.applicationlayer.cms.utils_cr import number_generator
+from app.entities import enums
+from django.forms.models import model_to_dict
 
 
 APPROVER_MESSAGE = settings.APPROVER_MESSAGE
@@ -263,42 +265,109 @@ class ChangeRequestFormsViewset(meviewsets.ModelViewSet):
         serializer = self.get_serializer(instance)
         return Response(serializer.data)
 
-    @transaction.atomic
-    def partial_update(self, request, *args, **kwargs):
-
-        partial = kwargs.pop('partial', False)
-        instance = self.get_object()
+    @action(
+        methods=['PATCH'], detail=True,
+        url_path='re_route', url_name='re_route'
+    )
+    def re_route(self, request, *args, **kwargs):
 
-        template_no = kwargs['template_no']
+        form_code = kwargs['form_code']
+        print(form_code)
+        
+        models.ChangeRequestFormHeader.objects.filter(
+            form_code=form_code).update(status='Pending')
 
-        tmp_no_exists = models.ChangeRequestFormHeader.objects.filter(
-            template_no=template_no)
+        models.ChangeRequestFormApprovers.objects.filter(
+            form_code=form_code).update(action=None, remarks=None,
+                                        date_sent=None)
+        
+        return Response(
+            "Change request form successfully re routed",
+                status=status.HTTP_200_OK
+        )
+    
+    @action(
+        methods=['PATCH'], detail=True,
+        url_path='re_submit', url_name='re_submit'
+    )
+    def re_submit(self, request, *args, **kwargs):
 
-        if not tmp_no_exists:
-            serializer = self.get_serializer(instance, data=request.data, partial=partial)
-            serializer.is_valid(raise_exception=True)
+        # get form code to be re created
+        form_code = kwargs['form_code']
+        
+        frm_id = models.ChangeRequestFormHeader.objects.get(
+            form_code=form_code)
+        
+        obj = models.ChangeRequestFormHeader.objects.get(pk=frm_id.pk)
+        obj.pk = None
+        obj.form_code = "Temp-Form-Code"
+        obj.old_form_code = form_code
+        obj.status = 'Draft'
+        obj.save()
+        
+        new_frmheader_code = number_generator(
+            enums.GenerateCode.FORM.value, obj.id)
+        
+        models.ChangeRequestFormHeader.objects.filter(
+            pk=obj.id).update(form_code=new_frmheader_code)
 
-            old_instance = model_to_dict(instance)
-            self.perform_update(serializer)
-            new_instance = serializer.data
+        # re create approvers
+        approvers = models.ChangeRequestFormApprovers.objects.filter(
+            form_code=form_code)
 
-            # print(new_instance)
+        counter = 0
+        
+        for approver in approvers:
+            to_delete = approver.pk
+            counter = counter + 1
+            approver.pk = None
+            approver.code = counter
+            approver.remarks =None
+            approver.action = None
+            approver.date_sent = None
+            approver.save()
+
+            new_frmapp_code = number_generator(
+                enums.GenerateCode.FORM_APPROVER.value, approver.id)
 
-            crhistory_save(
-                enums.LogEnum.UPDATE.value,
-                enums.CREntitiesEnum.CR_TMP_HEADER.value,
-                new_instance['template_no'],
-                old_instance,
-                new_instance
-            )
+            models.ChangeRequestFormApprovers.objects.filter(
+                pk=approver.id).update(code=new_frmapp_code,
+                                       form_code=new_frmheader_code)
+            
+            # delete old data
+            models.ChangeRequestFormApprovers.objects.filter(
+                pk=to_delete).delete()
+            
+        # re create stakeholders
+        stakes = models.ChangeRequestFormStakeHolders.objects.filter(
+            form_code=form_code)
 
-            return Response(serializer.data)
+        counter = 0
+        
+        for stake in stakes:
+            to_delete = stake.pk
+            counter = counter + 1
+            stake.pk = None
+            stake.code = counter
+            stake.save()
+
+            new_frmstake_code = number_generator(
+                enums.GenerateCode.FORM_STAKE.value, stake.id)
+
+            models.ChangeRequestFormStakeHolders.objects.filter(
+                pk=stake.id).update(code=new_frmstake_code,
+                                       form_code=new_frmheader_code)
+            
+            # delete old data
+            models.ChangeRequestFormStakeHolders.objects.filter(
+                pk=to_delete).delete()
+        
 
         return Response(
-            "Template cannot edit due to existing transaction/s",
-                status=status.HTTP_400_BAD_REQUEST
+            "Change request form successfully resubmitted",
+                status=status.HTTP_200_OK
         )
-        
+
 
 class ChangeRequestFormApproversViewset(meviewsets.ModelViewSet):