Added metadata sample code (#58)

* Added metadata sample code

* Fixed function name.

* Ran prettier.

speech/recognize.v1p1beta1.js

@@ -141,7 +141,7 @@ function syncRecognizeWithAutoPunctuation(
   // [START speech_transcribe_file_with_auto_punctuation]
   // Imports the Google Cloud client library
   const fs = require('fs');
-  const speech = require('@google-cloud/speech');
+  const speech = require('@google-cloud/speech').v1p1beta1;
 
   // Creates a client
   const client = new speech.SpeechClient();
@@ -184,6 +184,67 @@ function syncRecognizeWithAutoPunctuation(
   // [END speech_transcribe_file_with_auto_punctuation]
 }
 
+function syncRecognizeWithMetaData(
+  filename,
+  encoding,
+  sampleRateHertz,
+  languageCode
+) {
+  // [START speech_transcribe_file_with_metadata]
+  // Imports the Google Cloud client library
+  const fs = require('fs');
+  const speech = require('@google-cloud/speech').v1p1beta1;
+
+  // Creates a client
+  const client = new speech.SpeechClient();
+
+  /**
+   * TODO(developer): Uncomment the following lines before running the sample.
+   */
+  // const filename = 'Local path to audio file, e.g. /path/to/audio.raw';
+  // const encoding = 'Encoding of the audio file, e.g. LINEAR16';
+  // const sampleRateHertz = 16000;
+  // const languageCode = 'BCP-47 language code, e.g. en-US';
+
+  const recognitionMetadata = {
+    interactionType: 'DISCUSSION',
+    microphoneDistance: 'NEARFIELD',
+    recordingDeviceType: 'SMARTPHONE',
+    recordingDeviceName: 'Pixel 2 XL',
+    industryNaicsCodeOfAudio: 519190,
+  };
+
+  const config = {
+    encoding: encoding,
+    languageCode: languageCode,
+    metadata: recognitionMetadata,
+  };
+
+  const audio = {
+    content: fs.readFileSync(filename).toString('base64'),
+  };
+
+  const request = {
+    config: config,
+    audio: audio,
+  };
+
+  // Detects speech in the audio file
+  client
+    .recognize(request)
+    .then(data => {
+      const response = data[0];
+      response.results.forEach(result => {
+        const alternative = result.alternatives[0];
+        console.log(alternative.transcript);
+      });
+    })
+    .catch(err => {
+      console.error('ERROR:', err);
+    });
+  // [END speech_transcribe_file_with_metadata]
+}
+
 require(`yargs`)
   .demand(1)
   .command(
@@ -224,6 +285,18 @@ require(`yargs`)
         opts.languageCode
       )
   )
+  .command(
+    `sync-metadata <filename>`,
+    `Detects speech in a local audio file with metadata.`,
+    {},
+    opts =>
+      syncRecognizeWithMetaData(
+        opts.filename,
+        opts.encoding,
+        opts.sampleRateHertz,
+        opts.languageCode
+      )
+  )
   .options({
     encoding: {
       alias: 'e',
@@ -254,6 +327,7 @@ require(`yargs`)
     `node $0 sync-model-gcs gs://gcs-test-data/Google_Gnome.wav phone_call -e FLAC -r 16000`
   )
   .example(`node $0 sync-auto-punctuation ./resources/commercial_mono.wav`)
+  .example(`node $0 sync-metadata ./resources/commercial_mono.wav`)
   .wrap(120)
   .recommendCommands()
   .epilogue(`For more information, see https://cloud.google.com/speech/docs`)

speech/system-test/recognize.v1p1beta1.test.js

@@ -31,6 +31,7 @@ const filepath1 = path.join(__dirname, `../resources/${filename1}`);
 const filepath2 = path.join(__dirname, `../resources/${filename2}`);
 const text1 = `the weather outside is sunny`;
 const text2 = `Terrific. It's on the way.`;
+const text3 = `Chrome`;
 
 test.before(async () => {
   const [bucket] = await storage.createBucket(bucketName);
@@ -68,3 +69,8 @@ test(`should run sync recognize with auto punctuation`, async t => {
   );
   t.true(output.includes(text2));
 });
+
+test(`should run sync recognize with metadata`, async t => {
+  const output = await runAsync(`${cmd} sync-metadata ${filepath2}`, cwd);
+  t.true(output.includes(text3));
+});