from djangorestframework_camel_case.parser import CamelCaseMultiPartParser
from formencode.variabledecode import variable_decode
from rest_framework import parsers
from rest_framework.parsers import MultiPartParser


class NestedMultiPartParser(MultiPartParser):
    def parse(self, stream, media_type=None, parser_context=None):
        result = super().parse(
            stream=stream, media_type=media_type, parser_context=parser_context
        )
        data = variable_decode(result.data)
        files = variable_decode(result.files)

        return parsers.DataAndFiles(data, files)


class CamelCaseNestedMultiPartParser(CamelCaseMultiPartParser):
    def parse(self, stream, media_type=None, parser_context=None):
        result = super().parse(
            stream=stream, media_type=media_type, parser_context=parser_context
        )
        data = variable_decode(result.data)
        files = variable_decode(result.files)

        return parsers.DataAndFiles(data, files)