【2023年7月利用可能】GASを使用してGoogleDrive上の画像をTweetする

function tweetWithImage() {
  var value = '******'; // Replace with your tweet message
  
  // Upload the image and get its media ID
  var mediaId = uploadImageFromDrive();

  // Check if the image upload was successful
  if (mediaId) {
    // Tweet with the uploaded image
    const url = "https://api.twitter.com/1.1/statuses/update.json";
    const payload = {
      "status": value,
      "media_ids": mediaId
    };
    const options = {
      'method': 'post',
      'payload': payload,
      'muteHttpExceptions': true
    };
    makeRequest(url, options);
  }
}

// Upload an image from a Google Drive URL to Twitter and return its media ID
function uploadImageFromDrive() {
  var imageFile = DriveApp.getFileById("******"); //https://drive.google.com/file/d/******/view 
  var base64Data = Utilities.base64Encode(imageFile.getBlob().getBytes())


  const url = "https://upload.twitter.com/1.1/media/upload.json";

  const service = getService();
  const mediaUploadParams = {
    'method': 'post',
    'payload': { 'media': base64Data },
    'muteHttpExceptions': true
  };

  const res = service.fetch(url, mediaUploadParams);
  const result = JSON.parse(res.getContentText());

  if (result && result.errors && result.errors[0] && result.errors[0].code === 324) {
    console.log('Error: Unsupported media type. Please ensure the image is in a supported format (JPEG, PNG, GIF).');
    return null;
  }

  if (result && result.media_id_string) {
    return result.media_id_string;
  } else {
    console.log('Image upload failed.');
    console.log(res.getContentText()); // Log the response content text for debugging
    return null;
  }
}

function makeRequest(url, options) {
  const service = getService();
  const res = service.fetch(url, options);
  const result = JSON.parse(res.getContentText());
  console.log(JSON.stringify(result));
}