def get(self, name):
        session_id = get_session_id(session, request)

        dao = ExternalDocumentDAO(session_id)
        found_edoc = dao.get_external_document(name)
        dao.close()

        resp = make_response(json_serialize(found_edoc, session_id=session_id))
        resp.headers['Content-Type'] = "application/json"
        return resp
    def delete(self, name):
        session_id = get_session_id(session, request)

        dao = ExternalDocumentDAO(session_id)
        dao.delete_external_document(name)
        dao.close()

        resp_dict = {'message': 'External Document successfully deleted'}
        resp = make_response(json_serialize(resp_dict), OK)
        resp.contenttype = 'application/json'
        return resp
    def get(self):
        session_id = get_session_id(session, request)
        constraint_id = request.args.get('constraint_id', -1)

        dao = ExternalDocumentDAO(session_id)
        edocs = dao.get_external_documents(constraint_id=constraint_id)
        dao.close()

        resp = make_response(json_serialize(edocs, session_id=session_id))
        resp.headers['Content-Type'] = "application/json"
        return resp
    def put(self, name):
        session_id = get_session_id(session, request)

        dao = ExternalDocumentDAO(session_id)
        upd_edoc = dao.from_json(request)
        dao.update_external_document(upd_edoc, name)
        dao.close()

        resp_dict = {'message': 'External Document successfully updated'}
        resp = make_response(json_serialize(resp_dict), OK)
        resp.contenttype = 'application/json'
        return resp
    def post(self):
        session_id = get_session_id(session, request)
        dao = ExternalDocumentDAO(session_id)
        new_edoc = dao.from_json(request)
        dao.add_external_document(new_edoc)
        dao.close()

        resp_dict = {'message': 'External Document successfully added'}
        resp = make_response(json_serialize(resp_dict, session_id=session_id),
                             OK)
        resp.contenttype = 'application/json'
        return resp