add google storage writablestream

lib/record/google-storage.js

@@ -1,2 +1,28 @@
-async function upload(logger, socket) {}
-module.exports = upload;
+const { Storage } = require('@google-cloud/storage');
+const { Writable } = require('stream');
+
+class GoogleStorageUploadStream extends Writable {
+
+  constructor(logger, opts) {
+    super(opts);
+    this.logger = logger;
+
+    const storage = new Storage(opts.bucketCredential);
+    this.gcsFile = storage.bucket(opts.bucketName).file(opts.Key);
+    this.writeStream = this.gcsFile.createWriteStream();
+
+    this.writeStream.on('error', (err) => console.error(err));
+    this.writeStream.on('finish', () => console.log('Upload completed.'));
+  }
+
+  _write(chunk, encoding, callback) {
+    this.writeStream.write(chunk, encoding, callback);
+  }
+
+  _final(callback) {
+    this.writeStream.end();
+    this.writeStream.once('finish', callback);
+  }
+}
+
+module.exports = GoogleStorageUploadStream;

lib/record/index.js

@@ -1,19 +1,6 @@
 
-const path = require('node:path');
-async function record(logger, socket, url) {
-  const p = path.basename(url);
-  const idx = p.lastIndexOf('/');
-  const vendor = p.substring(idx + 1);
-  switch (vendor) {
-    case 'aws_s3':
-      return require('./s3')(logger, socket);
-    case 'google':
-      return require('./google-storage')(logger, socket);
-    default:
-      logger.info(`unknown bucket vendor: ${vendor}`);
-      socket.send(`unknown bucket vendor: ${vendor}`);
-      socket.close();
-  }
+async function record(logger, socket) {
+  return require('./upload')(logger, socket);
 }
 
 module.exports = record;

lib/record/upload.js

@@ -1,8 +1,8 @@
 const Account = require('../models/account');
 const Websocket = require('ws');
 const PCMToMP3Encoder = require('./encoder');
-const S3MultipartUploadStream = require('./s3-multipart-upload-stream');
 const wav = require('wav');
+const { getUploader } = require('./utils');
 
 async function upload(logger, socket) {
 
@@ -43,19 +43,7 @@ async function upload(logger, socket) {
           Key += `/${day.getDate().toString().padStart(2, '0')}/${callSid}.${account[0].record_format}`;
 
           // Uploader
-          const uploaderOpts = {
-            bucketName: obj.name,
-            Key,
-            metadata,
-            bucketCredential: {
-              credentials: {
-                accessKeyId: obj.access_key_id,
-                secretAccessKey: obj.secret_access_key,
-              },
-              region: obj.region || 'us-east-1'
-            }
-          };
-          const uploadStream = new S3MultipartUploadStream(logger, uploaderOpts);
+          const uploadStream = getUploader(Key, metadata, obj);
 
           /**encoder */
           let encoder;