from flask_restful import Resource, fields, marshal


country_fields = {
    'title': fields.String
}


class TravelCountryResource(Resource):
    def get(self):
        if request.content_type != 'application/json':
             return 'Cann\'t get travel countries in HTML format', 415

        return {'result': marshal(list(Country.all()), country_fields)}, 200