소비성 디지털 트랜잭션 빌드 (Dialogflow)

  const serviceAccount = {'my-file.json'};
  const request = require('request');
  const {google} = require('googleapis');

  const jwtClient = new google.auth.JWT(
    serviceAccount.client_email, null, serviceAccount.private_key,
    ['https://www.googleapis.com/auth/actions.purchases.digital'],
    null
  );

app.intent('Default Welcome Intent', async (conv, { SKU }) => {
  // Immediately invoke digital purchase check intent to confirm
  // purchase eligibility.
  conv.ask(new DigitalPurchaseCheck());
});

app.intent('Digital Purchase Check', async (conv) => {
  const arg = conv.arguments.get('DIGITAL_PURCHASE_CHECK_RESULT');
  if (!arg || !arg.resultType) {
    conv.close('Digital Purchase check failed. Please check logs.');
    return;
  }
  // User does not meet necessary conditions for completing a digital purchase
  if (arg.resultType === 'CANNOT_PURCHASE' || arg.resultType === 'RESULT_TYPE_UNSPECIFIED') {
    conv.close(`It looks like you aren't able to make digital purchases. Please check your Google Pay configuration and try again.`);
    return;
  }
  conv.ask('Welcome to the Digital Goods Sample. Would you like to see what I have for sale?');
});

body = {
  skus: [
    skuId: {
      skuType: one of "APP" or "UNSPECIFIED"
      id: string,
      packageName: string
    }
    formattedPrice: string,
    title: string,
    description: string
  ]
}

return jwtClient.authorize((err, tokens) => {
    if (err) {
      throw new Error(`Auth error: ${err}`);
    }

    const packageName = 'com.example.projectname';

    request.post(`https://actions.googleapis.com/v3/packages/${packageName}/skus:batchGet`, {
      'auth': {
        'bearer': tokens.access_token,
      },
      'json': true,
      'body': {
        'conversationId': conversationId,
        'skuType': 'APP',
        // This request is filtered to only retrieve SKUs for the following product IDs
        'ids': ['consumable.1']
      },
    }, (err, httpResponse, body) => {
      if (err) {
        throw new Error(`API request error: ${err}`);
      }
      console.log(`${httpResponse.statusCode}: ${httpResponse.statusMessage}`);
      console.log(JSON.stringify(body));
    });
  });
});

skus.forEach((sku) => {
  const key = `${sku.skuId.skuType},${sku.skuId.id}`
  list.items[key] = {
    title: sku.title,
    description: `${sku.description} | ${sku.formattedPrice}`,
  };
});

app.intent('Send Purchase', (conv, params, option) => {
  let [skuType, id] = option.split(',');

  conv.ask(new CompletePurchase({
    skuId: {
      skuType: skuType,
      id: id,
      packageName: <PACKAGE_NAME>,
    },
  }));
});

app.intent('Purchase Result', (conv) => {
  const arg = conv.arguments.get('COMPLETE_PURCHASE_VALUE');
  console.log('User Decision: ' + JSON.stringify(arg));
  if (!arg || !arg.purchaseStatus) {
    conv.close('Purchase failed. Please check logs.');
    return;
  }
  if (arg.purchaseStatus === 'PURCHASE_STATUS_OK') {
    conv.close(`Purchase completed! You're all set!`);
  } else if (arg.purchaseStatus === 'PURCHASE_STATUS_ALREADY_OWNED') {
    conv.close('Purchase failed. You already own this item.');
  } else if (arg.purchaseStatus === 'PURCHASE_STATUS_ITEM_UNAVAILABLE') {
    conv.close('Purchase failed. Item is not available.');
  } else if (arg.purchaseStatus === 'PURCHASE_STATUS_ITEM_CHANGE_REQUESTED') {
    // Reprompt with your item selection dialog
  }  else {
    conv.close('Purchase Failed:' + arg.purchaseStatus);
  }
});

body = {
  skus: [
    skuId: {
      skuType: one of "APP" or "UNSPECIFIED"
      id: string,
      packageName: string
    }
    formattedPrice: string,
    title: string,
    description: string
  ]
}

return jwtClient.authorize((err, tokens) => {
    if (err) {
      throw new Error(`Auth error: ${err}`);
    }

    const packageName = 'com.example.projectname';

    request.post(`https://actions.googleapis.com/v3/packages/${packageName}/skus:batchGet`, {
      'auth': {
        'bearer': tokens.access_token,
      },
      'json': true,
      'body': {
        'conversationId': conversationId,
        'skuType': 'APP',
        // This request is filtered to only retrieve SKUs for the following product IDs
        'ids': ['consumable.1']
      },
    }, (err, httpResponse, body) => {
      if (err) {
        throw new Error(`API request error: ${err}`);
      }
      console.log(`${httpResponse.statusCode}: ${httpResponse.statusMessage}`);
      console.log(JSON.stringify(body));
    });
  });
});

  "user": {
    "userId": "xxxx",
    "locale": "en-US",
    "lastSeen": "2018-02-09T01:49:23Z",
    "packageEntitlements": [
      {
        "packageName": "com.digitalgoods.application",
        "entitlements": [
          {
            "sku": "non-consumable.1",
            "skuType": "APP"
          }
          {
            "sku": "consumable.2",
            "skuType": "APP"
          }
        ]
      },
      {
        "packageName": "com.digitalgoods.application",
        "entitlements": [
          {
            "sku": "annual.subscription",
            "skuType": "SUBSCRIPTION",
            "inAppDetails": {
              "inAppPurchaseData": {
                "autoRenewing": true,
                "purchaseState": 0,
                "productId": "annual.subscription",
                "purchaseToken": "12345",
                "developerPayload": "HSUSER_IW82",
                "packageName": "com.digitalgoods.application",
                "orderId": "GPA.233.2.32.3300783",
                "purchaseTime": 1517385876421
              },
              "inAppDataSignature": "V+Q=="
            }
          }
        ]
      }
    ]
  },
  "conversation": {
    "conversationId": "1518141160297",
    "type": "NEW"
  },
  "inputs": [
    {
      "intent": "actions.intent.MAIN",
      "rawInputs": [
        {
          "inputType": "VOICE",
          "query": "Talk to My Test App"
        }
      ]
    }
  ],
  ...
}