sampleGetItemsApi.js

/**
 * Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

// Run `npm install` locally before executing following code with `node sampleGetItemsApi.js`

/**
 * This sample code snippet is for ProductAdvertisingAPI 5.0's GetItems API
 * For more details, refer:
 * https://webservices.amazon.com/paapi5/documentation/get-items.html
 */

var ProductAdvertisingAPIv1 = require('./src/index');

var defaultClient = ProductAdvertisingAPIv1.ApiClient.instance;

// Specify your credentials here. These are used to create and sign the request.
defaultClient.accessKey = 'AKIAINXLTJNAZHBE753Q';
defaultClient.secretKey = '2TVWkJOO1ost5oCglZsO9';
// myConfig.accessKey = 'AKIAINXLTJNAZHBE753Q'
// myConfig.secretKey = '2TVWkJOO1ost5oCglZsO9'
// myConfig.partnerTag = 'getaheadphone-20'
/**
 * PAAPI Host and Region to which you want to send request.
 * For more details refer: https://webservices.amazon.com/paapi5/documentation/common-request-parameters.html#host-and-region
 */
defaultClient.host = 'webservices.amazon.com';
defaultClient.region = 'us-east-1';

var api = new ProductAdvertisingAPIv1.DefaultApi();

// Request Initialization

var getItemsRequest = new ProductAdvertisingAPIv1.GetItemsRequest();

/** Enter your partner tag (store/tracking id) and partner type */
getItemsRequest['PartnerTag'] = 'getaheadphone-20';
getItemsRequest['PartnerType'] = 'Associates';

/** Enter the Item IDs for which item information is desired */
getItemsRequest['ItemIds'] = ['B00XBC3BF0'];

getItemsRequest['Condition'] = 'New';

/**
 * Choose resources you want from GetItemsResource enum
 * For more details, refer: https://webservices.amazon.com/paapi5/documentation/get-items.html#resources-parameter
 */
getItemsRequest['Resources'] = ['Images.Primary.Medium', 'ItemInfo.Title', 'Offers.Listings.Price'];

/**
 * Function to parse GetItemsResponse into an object with key as ASIN
 */
function parseResponse(itemsResponseList) {
  var mappedResponse = {};
  for (var i in itemsResponseList) {
    mappedResponse[itemsResponseList[i]['ASIN']] = itemsResponseList[i];
  }
  return mappedResponse;
}

var callback = function (error, data, response) {
  if (error) {
    console.log('Error calling PA-API 5.0!');
    console.log('Printing Full Error Object:\n' + JSON.stringify(error, null, 1));
    console.log('Status Code: ' + error['status']);
    if (error['response'] !== undefined && error['response']['text'] !== undefined) {
      console.log('Error Object: ' + JSON.stringify(error['response']['text'], null, 1));
    }
  } else {
    console.log('API called successfully.');
    var getItemsResponse = ProductAdvertisingAPIv1.GetItemsResponse.constructFromObject(data);
    console.log('Complete Response: \n' + JSON.stringify(getItemsResponse, null, 1));
    if (getItemsResponse['ItemsResult'] !== undefined) {
      console.log('Printing All Item Information in ItemsResult:');
      var response_list = parseResponse(getItemsResponse['ItemsResult']['Items']);
      for (var i in getItemsRequest['ItemIds']) {
        var itemId = getItemsRequest['ItemIds'][i];
        console.log('\nPrinting information about the Item with Id: ' + itemId);
        if (itemId in response_list) {
          var item = response_list[itemId];
          if (item !== undefined) {
            if (item['ASIN'] !== undefined) {
              console.log('ASIN: ' + item['ASIN']);
            }
            if (item['DetailPageURL'] !== undefined) {
              console.log('DetailPageURL: ' + item['DetailPageURL']);
            }
            if (item['ItemInfo'] !== undefined && item['ItemInfo']['Title'] !== undefined && item['ItemInfo']['Title']['DisplayValue'] !== undefined) {
              console.log('Title: ' + item['ItemInfo']['Title']['DisplayValue']);
            }
            if (item['Offers'] !== undefined && item['Offers']['Listings'] !== undefined && item['Offers']['Listings'][0]['Price'] !== undefined && item['Offers']['Listings'][0]['Price']['DisplayAmount'] !== undefined) {
              console.log('Buying Price: ' + item['Offers']['Listings'][0]['Price']['DisplayAmount']);
            }
          }
        } else {
          console.log('Item not found, check errors')
        }
      }
    }
    if (getItemsResponse['Errors'] !== undefined) {
      console.log('\nErrors:');
      console.log('Complete Error Response: ' + JSON.stringify(getItemsResponse['Errors'], null, 1));
      console.log('Printing 1st Error:');
      var error_0 = getItemsResponse['Errors'][0];
      console.log('Error Code: ' + error_0['Code']);
      console.log('Error Message: ' + error_0['Message']);
    }
  }
};
try {
  api.getItems(getItemsRequest, callback);
} catch (ex) {
  console.log("Exception: " + ex);
}