model.ts

import { queryTags } from './service';
import { ITag } from './data';
import { Reducer } from 'redux';
import { EffectsCommandMap } from 'dva';
import { AnyAction } from 'redux';

export interface IStateType {
  tags: ITag[];
}

export type Effect = (
  action: AnyAction,
  effects: EffectsCommandMap & { select: <T>(func: (state: IStateType) => T) => T }
) => void;

export interface ModelType {
  namespace: string;
  state: IStateType;
  effects: {
    fetchTags: Effect;
  };
  reducers: {
    saveTags: Reducer<IStateType>;
  };
}

const Model: ModelType = {
  namespace: 'BLOCK_NAME_CAMEL_CASE',

  state: {
    tags: [],
  },

  effects: {
    *fetchTags(_, { call, put }) {
      const response = yield call(queryTags);
      yield put({
        type: 'saveTags',
        payload: response.list,
      });
    },
  },

  reducers: {
    saveTags(state, action) {
      return {
        ...state,
        tags: action.payload,
      };
    },
  },
};

export default Model;