import json

from django.http import HttpResponse

MIMEANY = '*/*'
MIMEJSON = 'application/json'
MIMETEXT = 'text/plain'


def response_mimetype(request):
    can_json = MIMEJSON in request.META['HTTP_ACCEPT']
    can_json |= MIMEANY in request.META['HTTP_ACCEPT']
    return MIMEJSON if can_json else MIMETEXT


class JSONResponse(HttpResponse):
    def __init__(self, obj='', json_opts=None, mimetype=MIMEJSON, *args, **kwargs):
        json_opts = json_opts if isinstance(json_opts, dict) else {}
        content = json.dumps(obj, **json_opts)
        super().__init__(content, mimetype, *args, **kwargs)