quickstart_json_credentials.js

// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

'use strict';

/** Google Analytics Data API sample quickstart application.

 This application demonstrates the usage of the Analytics Data API using
 service account credentials from a JSON file downloaded from
 the Google Cloud Console.

 Before you start the application, please review the comments starting with
 "TODO(developer)" and update the code to use correct values.

 Usage:
 npm install
 node quickstart_json_credentials.js
 */

function main(propertyId = 'YOUR-GA4-PROPERTY-ID', credentialsJsonPath = '') {
  // [START analyticsdata_json_credentials_quickstart]
  /**
   * TODO(developer): Uncomment this variable and replace with your
   *   Google Analytics 4 property ID before running the sample.
   */
  // propertyId = 'YOUR-GA4-PROPERTY-ID';

  // [START analyticsdata_json_credentials_initialize]
  /** TODO(developer): Uncomment this variable and replace with a valid path to
   *  the credentials.json file for your service account downloaded from the
   *  Cloud Console.
   */
  // credentialsJsonPath = '/path/to/credentials.json';

  // Imports the Google Analytics Data API client library.
  const {BetaAnalyticsDataClient} = require('@google-analytics/data');

  // Explicitly use service account credentials by specifying
  // the private key file.
  const analyticsDataClient = new BetaAnalyticsDataClient({
    keyFilename: credentialsJsonPath,
  });
  // [END analyticsdata_json_credentials_initialize]

  // Runs a simple report.
  async function runReport() {
    // [START analyticsdata_json_credentials_run_report]
    const [response] = await analyticsDataClient.runReport({
      property: `properties/${propertyId}`,
      dateRanges: [
        {
          startDate: '2020-03-31',
          endDate: 'today',
        },
      ],
      dimensions: [
        {
          name: 'country',
        },
      ],
      metrics: [
        {
          name: 'activeUsers',
        },
      ],
    });
    // [END analyticsdata_json_credentials_run_report]

    console.log('Report result:');
    response.rows.forEach((row) => {
      console.log(row.dimensionValues[0], row.metricValues[0]);
    });
  }

  runReport();
  // [END analyticsdata_json_credentials_quickstart]
}

process.on('unhandledRejection', (err) => {
  console.error(err.message);
  process.exitCode = 1;
});
main(...process.argv.slice(2));