Django Rest-Framework During Validation, Check the Request Method Type

Question

I am working on API Validation Errors to be called. I have to make sure 2 dates don't overlap when making new "POST" calls, which is working fine. I am doing a model.objects.Filter() query and if anything gets returned, I return a validation error. However, I want to return this error only during POST requests. I have tried

if request.method == "POST":

do something

but I get errors under the "request" word saying "request" is not defined. is there another way to check the Method Type during validation? I am doing this in my serializer. Thanks!

kamran890 · Accepted Answer · 2021-09-21 21:21:30Z

3

You can pass request context to serializer from your view:

serializer = SomeSerializer(context={'request':request}, data=request.data)

In your serializer, you can access the request method as:

self.context['request'].method

answered Sep 21, 2021 at 21:21

kamran890

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3 Comments

MikeV Over a year ago

Perfect. I used: if self.contect['request'].method == 'POST': do validation Thanks alot!

kamran890 Over a year ago

Cool! If this or any other answer helped you to solve your problem, you may consider accepting it.

MikeV Over a year ago

Thanks! I've accepted your answer

Def Soudani · Accepted Answer · 2021-09-21 22:17:34Z

1

Use more than one serializer and redefine get_serializer_class a drf function under your view

def get_serializer_class(self):
        if self.request.method == 'POST':
            return PostSerializer
        return OtherMethodsSerializer

answered Sep 21, 2021 at 22:17

Def Soudani

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1 Comment

MikeV Over a year ago

I'm sure this works, but I went with kamran890's suggestion first because it was easier to test! and that worked

MikeV · Accepted Answer · 2021-09-22 13:10:46Z

0

From kamran890's suggestion, this is what I did on my serializer to do this validation only during a POST method call. Then other types of validation during other calls

if self.contect['request'].method == 'POST':
    *do post validation*
else:
    *do patch/put validation*

answered Sep 22, 2021 at 13:10

MikeV

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1 Comment

typedecker Over a year ago

I will suggest you add this fix in your code, as a part of your question under EDIT section. That way @kamran890 can be credited for the answer and future viewers will be able to know the changes you did to your code to fix it. Thanks

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