added is_valid template temporary

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

@@ -7,27 +7,27 @@ class ChangeRequestFormAttachmentsSerializer(
     serializers.ModelSerializer
 ):
     def to_representation(self, instance):
-        try:
-            ret = super().to_representation(instance)
-            user_object = {
-                "id": instance.uploaded_by.id,
-                "name": instance.uploaded_by.name,
-                "username": instance.uploaded_by.username,
-                "code": instance.uploaded_by.code,
-                "email": instance.uploaded_by.email,
-                "contact_no": instance.uploaded_by.contact_no
-            }
-            ret['uploaded_by'] = user_object
-            ret['file_upload'] = self.context['request'].build_absolute_uri(
-                instance.file_upload.url.url)
-            ret['file_upload_id'] = self.context['request'].build_absolute_uri(
-                instance.file_upload.url
-            )
-            return ret
-        except Exception as e:
-            ret['uploaded_by'] = user_object
-            ret['file_upload'] = "none"
-            return ret
+        # try:
+        ret = super().to_representation(instance)
+        user_object = {
+            "id": instance.uploaded_by.id,
+            "name": instance.uploaded_by.name,
+            "username": instance.uploaded_by.username,
+            "code": instance.uploaded_by.code,
+            "email": instance.uploaded_by.email,
+            "contact_no": instance.uploaded_by.contact_no
+        }
+        ret['uploaded_by'] = user_object
+        ret['file_upload'] = self.context['request'].build_absolute_uri(
+            instance.file_upload.url.url)
+        ret['file_upload_id'] = self.context['request'].build_absolute_uri(
+            instance.file_upload.id
+        )
+        return ret
+        # except Exception as e:
+        #     ret['uploaded_by'] = user_object
+        #     ret['file_upload'] = "none"
+        #     return ret
 
     class Meta:
         model = models.ChangeRequestFormAttachments

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

@@ -16,6 +16,11 @@ from app.applicationlayer.cms.template.details.serializers import ChangeRequestT
 
 from django.conf import settings
 
+from rest_framework.exceptions import ValidationError
+from app.applicationlayer.cms.utils_cr import (
+    BadRequestException
+)
+
 
 class ChangeRequestTemplatesSerializer(
     serializers.ModelSerializer
@@ -65,6 +70,46 @@ class ChangeRequestTemplatesSerializer(
 
             return ret
 
+    def is_valid(self, raise_exception=False):
+
+        assert not hasattr(self, 'restore_object'), (
+            'Serializer `%s.%s` has old-style version 2 `.restore_object()` '
+            'that is no longer compatible with REST framework 3. '
+            'Use the new-style `.create()` and `.update()` methods instead.' %
+            (self.__class__.__module__, self.__class__.__name__)
+        )
+
+        assert hasattr(self, 'initial_data'), (
+            'Cannot call `.is_valid()` as no `data=` keyword argument was '
+            'passed when instantiating the serializer instance.'
+        )
+
+        if not hasattr(self, '_validated_data'):
+            try:
+                self._validated_data = self.run_validation(self.initial_data)
+            except ValidationError as exc:
+                self._validated_data = {}
+                self._errors = exc.detail
+            else:
+                self._errors = {}
+
+        # if validation failed
+        if self._errors and raise_exception:
+            error_message = {}
+            message = str(self.errors)
+
+            for k, v in self.errors.items():
+                message = str(v)
+                start = message.find('string=') + 8
+                end = message.find(', code=') - 1
+                message = message[start:end]
+
+                error_message[str(k)] = message
+
+            raise BadRequestException(error_message)
+
+        return not bool(self._errors)
+
     class Meta:
         model = models.ChangeRequestTemplateHeader
         # fields = '__all__'

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

@@ -370,7 +370,7 @@ class ChangeRequestTemplatePost(APIView):
 
             if serializer.is_valid(raise_exception=True):
                 serializer.save()
-            
+
             tmp_id = serializer.data['template_no']
 
             # create template approvers

app/applicationlayer/cms/utils_cr.py

@@ -516,4 +516,8 @@ def crhistory_create_save(batch_no, main_action,
             template_no=template_no
     )
     
-    return True
\ No newline at end of file
+    return True
+
+
+class BadRequestException(Exception):
+    pass
\ No newline at end of file

app/businesslayer/changerequest/change_request.py

@@ -366,8 +366,18 @@ def attachment_add_edit_delete(form_request_body,
                 pk=i['id']
             )
             
+            data_old = {
+                'id': frm_instance.id,
+                'attachment_type': frm_instance.attachment_type,
+                'attachment_name': frm_instance.attachment_name,
+                'file_name': frm_instance.file_name,
+                'description': frm_instance.description,
+                'file_upload': frm_instance.file_upload.id
+            }
+            
             frm_code = {
-                "form_code": form_code
+                "form_code": form_code,
+                "uploaded_by": id_number
             }
             data = {**i, **frm_code}
 
@@ -376,20 +386,21 @@ def attachment_add_edit_delete(form_request_body,
                                          partial=partial)
 
             serializer.is_valid(raise_exception=True)
-
             old_instance = model_to_dict(frm_instance)
-            self.perform_update(serializer)
-            new_instance = serializer.data
-            # comment
-            crhistory_save(
-                batch_no,
-                main_action,
-                enums.CREnum.UPDATE.value,
-                entity,
-                form_code,
-                old_instance,
-                new_instance
-            )
+            
+            if not data_old == i:
+                self.perform_update(serializer)
+                new_instance = serializer.data
+                # comment
+                crhistory_save(
+                    batch_no,
+                    main_action,
+                    enums.CREnum.UPDATE.value,
+                    entity,
+                    form_code,
+                    old_instance,
+                    new_instance
+                )
 
         else:
             frm_code = {

app/entities/migrations/0017_auto_20191009_1640.py

+# Generated by Django 2.2 on 2019-10-09 16:40
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entities', '0016_auto_20191008_1730'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='changerequesttemplateheader',
+            options={'ordering': ['-created']},
+        ),
+    ]

app/entities/models.py

@@ -531,6 +531,7 @@ class ChangeRequestTemplateHeader(BaseHeader):
     
     class Meta:
         db_table = 'change_request_template_headers'
+        ordering = ['-created']
 
     def __str__(self):
         return f'{self.requested_to_template_name}'