request.js 1.81 KB
import fetch from 'dva/fetch';
// import { Modal } from 'antd';
// import * as commonFunc from '../components/Common/commonFunc';

function parseJSON(response) {
  return response.json();
}

function checkStatus(response) {
  if (response.status >= 200 && response.status < 300) {
    return response;
  }

  const error = new Error(response.statusText);
  error.response = response;
  throw error;
}

const fetchLoading = () => {
  const fetchCount = new CustomEvent('fetchCount', { detail: { value: window.fetchCount } });
  window.dispatchEvent(fetchCount);
};

/**
 * Requests a URL, returning a promise.
 *
 * @param  {string} url       The URL we want to request
 * @param  {object} [options] The options we want to pass to "fetch"
 * @return {object}           An object containing either "data" or "err"
 */
export default function request(url, options) {
  // const bInterfaceDefine = url && url.includes('interfaceDefine');
  // let modal;
  // if (bInterfaceDefine) {
  //   modal = Modal.info({
  //     content: commonFunc.showMessage(app.commonConst, 'SAPInterfaceInfo'),
  //   });
  // }

  if (window.fetchCount > 0) {
    window.fetchCount += 1;
  } else {
    window.fetchCount = 1;
    fetchLoading();
  }

  return fetch(url, options)
    .then(checkStatus)
    .then(parseJSON)
    .then((data) => {
      // if (bInterfaceDefine) {
      //   setTimeout(() => {
      //     modal.destroy();
      //   }, 500);
      // }
      window.fetchCount -= 1;
      if (window.fetchCount <= 0) {
        fetchLoading();
      }
      return { data };
    })
    .catch((err) => {
      // if (bInterfaceDefine) {
      //   setTimeout(() => {
      //     // modal.destroy();
      //   }, 500);
      // }
      window.fetchCount -= 1;
      if (window.fetchCount <= 0) {
        fetchLoading();
      }
      return { err };
    });
}