text: import { addFakeList, queryFakeList, removeFakeList, updateFakeList } from './service';
  
  const Model = {
    namespace: 'listAndbasicList',
    state: {
      list: [],
    },
    effects: {
      *fetch({ payload }, { call, put }) {
        const response = yield call(queryFakeList, payload);
        yield put({
          type: 'queryList',
          payload: Array.isArray(response) ? response : [],
        });
      },
  
      *appendFetch({ payload }, { call, put }) {
        const response = yield call(queryFakeList, payload);
        yield put({
          type: 'appendList',
          payload: Array.isArray(response) ? response : [],
        });
      },
  
      *submit({ payload }, { call, put }) {
        let callback;
  
        if (payload.id) {
          callback = Object.keys(payload).length === 1 ? removeFakeList : updateFakeList;
        } else {
          callback = addFakeList;
        }
  
        const response = yield call(callback, payload); // post
  
        yield put({
          type: 'queryList',
          payload: response,
        });
      },
    },
    reducers: {
      queryList(state, action) {
        return { ...state, list: action.payload };
      },
  
      appendList(
        state = {
          list: [],
        },
        action,
      ) {
        return { ...state, list: state.list.concat(action.payload) };
      },
    },
  };
  export default Model;
  