I have *App named Company* and in *models.py* there is a model named
*CompanyProfile*
models.py
```python
class CompanyProfile(models.Model):
id = models.UUIDField(default=uuid.uuid4,
editable=False,
primary_key=True,
verbose_name='ID',)
full_name = models.CharField(max_length=255,
unique = True,
default='NA')
contact_person_email = models.EmailField(unique=True,
null=True,
blank=True)
def __str__(self):
return str(self.full_name)
```
serializers.py
````python
class CompanyProfileSerializer(serializers.ModelSerializer):
"""List all the Company Profile"""
class Meta:
model = CompanyProfile
fields = '__all__'
read_only_fields = ['id']
```
views.py
````python
class CompanyProfileViewSet(viewsets.ModelViewSet):
"""Update and Detail for Company Profile"""
queryset = CompanyProfile.objects.all()
serializer_class = CompanyProfileSerializer
permission_classes = (permissions.IsAuthenticated,)
lookup_field = 'id'
def update(self, request, id ,*args, **kwargs):
instance = self.get_object()
import pdb; pdb.set_trace()
if instance.full_name != request.data.get("full_name"):
instance.full_name = request.data.get("full_name")
if instance.contact_person_email !=
request.data.get("contact_person_email"):
instance.contact_person_email =
request.data.get("contact_person_email")
instance.save()
return super().update(request, *args, **kwargs)
````
Now if you see above am actually comparing each field and checking weather
update is possible there or if the field needs to be updated?
**1. Doing this one each field is quite cumbersome** as I have already set the
required validation
But now I have to check on each field whether the user has updated them or not!
**2. If I don't have an update in any of the fields then it gives me this
error** ``` already exists ``` and sometimes as some field are marked unique in
that case ``` duplicate key value violates unique constraint ```
----------
I understand Technically it's correct is there any simple approach rather than
this level of workaround.
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