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

        dao = EnvironmentDAO(session_id)
        environments = dao.get_environment_names_by_threat_vulnerability(threat, vulnerability)
        dao.close()

        resp = make_response(json_serialize(environments, session_id=session_id), httplib.OK)
        resp.headers['Content-type'] = 'application/json'
        return resp
    def get(self):
        session_id = get_session_id(session, request)

        dao = EnvironmentDAO(session_id)
        environment_names = dao.get_environment_names()
        dao.close()

        resp = make_response(json_serialize(environment_names, session_id=session_id), httplib.OK)
        resp.headers['Content-type'] = 'application/json'
        return resp
    def get(self):
        session_id = get_session_id(session, request)
        constraintsId = request.args.get('constraints_id', -1)

        dao = EnvironmentDAO(session_id)
        environments = dao.get_environments(constraintsId)
        dao.close()

        resp = make_response(json_serialize(environments, session_id=session_id), httplib.OK)
        resp.headers['Content-type'] = 'application/json'
        return resp
    def delete(self, name):
        session_id = get_session_id(session, request)

        dao = EnvironmentDAO(session_id)
        dao.delete_environment(name=name)
        dao.close()

        resp_dict = {'message': 'Environment successfully deleted'}
        resp = make_response(json_serialize(resp_dict), httplib.OK)
        resp.headers['Content-type'] = 'application/json'
        return resp
    def post(self):
        session_id = get_session_id(session, request)

        dao = EnvironmentDAO(session_id)
        new_environment = dao.from_json(request)
        new_environment_id = dao.add_environment(new_environment)
        dao.close()

        resp_dict = {'message': 'Environment successfully added', 'environment_id': new_environment_id}
        resp = make_response(json_serialize(resp_dict), httplib.OK)
        resp.headers['Content-type'] = 'application/json'
        return resp