async function detectAudioIntent()

in dialogflow/detect.js [169:241]
59 lines of code
4 McCabe index (conditional complexity)

async function detectAudioIntent(
  projectId,
  sessionId,
  filename,
  encoding,
  sampleRateHertz,
  languageCode
) {
  // [START dialogflow_detect_intent_audio]
  const fs = require('fs');
  const util = require('util');
  const {struct} = require('pb-util');
  // Imports the Dialogflow library
  const dialogflow = require('@google-cloud/dialogflow');

  // Instantiates a session client
  const sessionClient = new dialogflow.SessionsClient();

  // The path to identify the agent that owns the created intent.
  const sessionPath = sessionClient.projectAgentSessionPath(
    projectId,
    sessionId
  );

  // Read the content of the audio file and send it as part of the request.
  const readFile = util.promisify(fs.readFile);
  const inputAudio = await readFile(filename);
  const request = {
    session: sessionPath,
    queryInput: {
      audioConfig: {
        audioEncoding: encoding,
        sampleRateHertz: sampleRateHertz,
        languageCode: languageCode,
      },
    },
    inputAudio: inputAudio,
  };

  // Recognizes the speech in the audio and detects its intent.
  const [response] = await sessionClient.detectIntent(request);

  console.log('Detected intent:');
  const result = response.queryResult;
  // Instantiates a context client
  const contextClient = new dialogflow.ContextsClient();

  console.log(`  Query: ${result.queryText}`);
  console.log(`  Response: ${result.fulfillmentText}`);
  if (result.intent) {
    console.log(`  Intent: ${result.intent.displayName}`);
  } else {
    console.log('  No intent matched.');
  }
  const parameters = JSON.stringify(struct.decode(result.parameters));
  console.log(`  Parameters: ${parameters}`);
  if (result.outputContexts && result.outputContexts.length) {
    console.log('  Output contexts:');
    result.outputContexts.forEach(context => {
      const contextId =
        contextClient.matchContextFromProjectAgentSessionContextName(
          context.name
        );
      const contextParameters = JSON.stringify(
        struct.decode(context.parameters)
      );
      console.log(`    ${contextId}`);
      console.log(`      lifespan: ${context.lifespanCount}`);
      console.log(`      parameters: ${contextParameters}`);
    });
  }
  // [END dialogflow_detect_intent_audio]
}