chayns-components/dist/esm/utils/fetch.js

A set of beautiful React components for developing chayns® applications.

function extractDomain(url) {
  let domain;
  // find & remove protocol (http, ftp, etc.) and get domain
  if (url.indexOf('://') > -1) {
    // eslint-disable-next-line prefer-destructuring
    domain = url.split('/')[2];
  } else {
    // eslint-disable-next-line prefer-destructuring
    domain = url.split('/')[0];
  }

  // find & remove port number
  // eslint-disable-next-line prefer-destructuring
  domain = domain.split(':')[0];
  return domain;
}

/**
 * This is an example that simulates an API call. Make sure to remove this function and call your own APIs instead.
 * @returns {Promise}
 */
export function fetchDataFromApi(url, method, body, statusCodes) {
  if (method === void 0) {
    method = 'GET';
  }
  /* Allow urls for sending Authorization Informations */
  const allowedUrls = ['tobit.com', 'chayns.net', 'tappqa.tobit.com', 'tapp01.tobit.com'];
  let allowedStatusCodes = statusCodes;

  /* Allow custom status codes (always allowed: 200) */
  if (allowedStatusCodes === undefined || !Array.isArray(allowedStatusCodes)) {
    allowedStatusCodes = [];
  }
  let request;
  if (method === undefined || method === null || method === 'GET') {
    request = {
      headers: {
        Accept: 'application/json',
        'Cache-Control': 'no-cache, no-store, must-revalidate',
        Pragma: 'no-cache',
        Expires: '0'
      },
      method: 'GET'
    };
  } else {
    request = {
      headers: {
        Accept: 'application/json',
        'Content-Type': 'application/json'
      },
      method
    };
    if (body) {
      request.body = JSON.stringify(body);
    }
  }
  if (window.chayns.env.user.isAuthenticated && allowedUrls.indexOf(extractDomain(url)) !== -1) {
    request.headers.authorization = `bearer ${window.chayns.env.user.tobitAccessToken}`;
  }
  return window.fetch(url, request).then(response => {
    if (response.status === 200 || allowedStatusCodes.indexOf(response.status) !== -1) {
      return response.text().then(data => {
        // catch empty response
        if (data !== undefined && data !== null && data !== '') {
          return JSON.parse(data);
        }
        return data;
      });
    }
    const BadStatusError = message => ({
      name: 'BadStatusError',
      message: message || 'Unknown Status',
      stack: new Error().stack
    });
    throw BadStatusError(`Bad Status Code: ${response.status}`); // send own error
  });
}

export function reloadCache(reload) {
  window.extendedWaitCursor.showWaitCursor('reload_cache');
  return new Promise((resolve, reject) => {
    fetchDataFromApi(`##server_url##/cache/${window.chayns.env.site.locationId}`, 'GET', null).then(data => {
      if (data !== true) {
        window.chayns.dialog.alert(window.chayns.utils.lang.get('txt_shopMashup_reloadCache'), window.chayns.utils.lang.get('txt_shopMashup_reloadCacheWarning'));
        reject();
      } else {
        resolve();
        if (reload !== false) {
          window.location.reload();
        }
      }
    }).catch(error => {
      // eslint-disable-next-line no-console
      console.warn(error);
      window.chayns.dialog.alert(window.chayns.utils.lang.get('txt_shopMashup_reloadCache'), window.chayns.utils.lang.get('txt_shopMashup_reloadCacheWarning'));
      reject();
    }).then(() => {
      window.extendedWaitCursor.hideWaitCursor('reload_cache');
    });
  });
}
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