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Dart

Amazon SP-API Get Specific Order

See more Amazon SP-API Examples

Get a specific Amazon Seller order.

Chilkat Dart Downloads

Dart
import 'package:chilkat/chilkat.dart';

void main() {
  // This example requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  // Gets information for this order ID
  // The order ID is something like "902-1845936-5435065" and it is the AmazonOrderId returned in the JSON when getting the list of orders.  For example:
  // {
  //   "payload": {
  //     "CreatedBefore": "1.569521782042E9",
  //     "Orders": [
  //       {
  //         "AmazonOrderId": "902-1845936-5435065",
  //         "PurchaseDate": "1970-01-19T03:58:30Z",
  // ...

  // However, when using the sandbox, instead use the explicit keyword TEST_CASE_200
  final orderId = 'TEST_CASE_200';

  final authAws = CkAuthAws();
  authAws.accessKey = 'AWS_ACCESS_KEY';
  authAws.secretKey = 'AWS_SECRET_KEY';
  authAws.serviceName = 'execute-api';
  // Use the region that is correct for your needs.
  authAws.region = 'eu-west-1';

  // First get a restricted data token for the given order ID.
  // This requires an LWA access token which cannot be more than 1 hour old.
  // See Fetch SP-API LWA Access Token
  final jsonLwaToken = CkJsonObject();
  try {
    jsonLwaToken.loadFile('qa_data/tokens/sp_api_lwa_token.json');
  } on ChilkatException {
    print('Failed to load LWA access token.');
    return;
  }

  // Must use the non-sandbox domain for getting the RDT.
  final rest = CkRest();
  try {
    rest.connect('sellingpartnerapi-eu.amazon.com', 443, true, true);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  rest.setAuthAws(authAws);

  // Add the x-amz-access-token request header.
  final lwaToken = jsonLwaToken.stringOf('access_token');
  rest.clearAllHeaders();
  rest.addHeader('x-amz-access-token', lwaToken);

  // We're going to send a POST with the following JSON body:

  // {
  //   "restrictedResources": [
  //     {
  //       "method": "GET",
  //       "path": "/orders/v0/orders/{orderId}",
  //       "dataElements": ["buyerInfo", "shippingAddress"]
  //     }
  //   ]
  // }

  final sbPath = CkStringBuilder();
  sbPath.append('/orders/v0/orders/');
  sbPath.append(orderId);

  final jsonRc = CkJsonObject();
  jsonRc.updateString('restrictedResources[0].method', 'GET');
  jsonRc.updateString('restrictedResources[0].path', sbPath.getAsString());
  jsonRc.updateString('restrictedResources[0].dataElements[0]', 'buyerInfo');
  jsonRc.updateString('restrictedResources[0].dataElements[1]', 'shippingAddress');

  final sbRequest = CkStringBuilder();
  jsonRc.emitSb(sbRequest);

  final sbResponse = CkStringBuilder();
  var uri = '/tokens/2021-03-01/restrictedDataToken';
  try {
    rest.fullRequestSb('POST', uri, sbRequest, sbResponse);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Examine the response status.
  var statusCode = rest.responseStatusCode;
  if (statusCode != 200) {
    print('Response status code: $statusCode');
    print('Response status text: ${rest.responseStatusText}');
    print('Response body: ');
    print(sbResponse.getAsString());
    print('Failed.');
    return;
  }

  // Get the restricted data token.
  final jsonResp = CkJsonObject();
  jsonResp.loadSb(sbResponse);
  final restrictedDataToken = jsonResp.stringOf('restrictedDataToken');
  print('Restricted Data Token: $restrictedDataToken');

  // ------------------------------------------------------------------------------------------------------------
  // ------------------------------------------------------------------------------------------------------------
  // Now that we have the RDT, we can use it to get information about the order.
  // 
  // Yes, the SP-API is horribly tedious and painful.  You must use an RDT specifically tailored to each request requiring an RDT,
  // the RDT must not be over an hour old, and if you need to get a new RDT you must get it using an LWA token that itself is not
  // more than an hour old.  If the LWA is more than an hour old, you must get a new one.  Ughhh!!!!!
  // ------------------------------------------------------------------------------------------------------------

  // Disconnect from the non-sandbox domain.  This example will use the sandbox.
  // (The RDT was obtained using the non-sandbox domain.  For some reason, the sandbox domain does not work for getting the RDT.)
  rest.disconnect(100);

  try {
    rest.connect('sandbox.sellingpartnerapi-eu.amazon.com', 443, true, true);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  rest.setAuthAws(authAws);

  rest.clearAllHeaders();
  rest.addHeader('x-amz-access-token', restrictedDataToken);

  rest.clearAllQueryParams();
  rest.addQueryParam('MarketplaceIds', 'ATVPDKIKX0DER');

  rest.clearAllPathParams();
  rest.addPathParam('{orderId}', orderId);

  uri = '/orders/v0/orders/{orderId}';
  try {
    rest.fullRequestNoBodySb('GET', uri, sbResponse);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Examine the response status.
  statusCode = rest.responseStatusCode;
  if (statusCode != 200) {
    print('Response status text: ${rest.responseStatusText}');
    print('Response body: ');
    print(sbResponse.getAsString());
    print('Failed.');
    return;
  }

  print(sbResponse.getAsString());

  // If successful, gets a JSON response such as the following:

  // {
  //   "payload": {
  //     "AmazonOrderId": "902-1845936-5435065",
  //     "PurchaseDate": "1970-01-19T03:58:30Z",
  //     "LastUpdateDate": "1970-01-19T03:58:32Z",
  //     "OrderStatus": "Unshipped",
  //     "FulfillmentChannel": "MFN",
  //     "SalesChannel": "Amazon.com",
  //     "ShipServiceLevel": "Std US D2D Dom",
  //     "OrderTotal": {
  //       "CurrencyCode": "USD",
  //       "Amount": "11.01"
  //     },
  //     "NumberOfItemsShipped": 0,
  //     "NumberOfItemsUnshipped": 1,
  //     "PaymentMethod": "Other",
  //     "PaymentMethodDetails": [
  //       "Standard"
  //     ],
  //     "IsReplacementOrder": false,
  //     "MarketplaceId": "ATVPDKIKX0DER",
  //     "ShipmentServiceLevelCategory": "Standard",
  //     "OrderType": "StandardOrder",
  //     "EarliestShipDate": "1970-01-19T03:59:27Z",
  //     "LatestShipDate": "1970-01-19T04:05:13Z",
  //     "EarliestDeliveryDate": "1970-01-19T04:06:39Z",
  //     "LatestDeliveryDate": "1970-01-19T04:15:17Z",
  //     "IsBusinessOrder": false,
  //     "IsPrime": false,
  //     "IsGlobalExpressEnabled": false,
  //     "IsPremiumOrder": false,
  //     "IsSoldByAB": false,
  //     "IsIBA": false,
  //     "DefaultShipFromLocationAddress": {
  //       "Name": "MFNIntegrationTestMerchant",
  //       "AddressLine1": "2201 WESTLAKE AVE",
  //       "City": "SEATTLE",
  //       "StateOrRegion": "WA",
  //       "PostalCode": "98121-2778",
  //       "CountryCode": "US",
  //       "Phone": "+1 480-386-0930 ext. 73824",
  //       "AddressType": "Commercial"
  //     },
  //     "FulfillmentInstruction": {
  //       "FulfillmentSupplySourceId": "sampleSupplySourceId"
  //     },
  //     "IsISPU": false,
  //     "IsAccessPointOrder": false,
  //     "AutomatedShippingSettings": {
  //       "HasAutomatedShippingSettings": false
  //     },
  //     "EasyShipShipmentStatus": "PendingPickUp",
  //     "ElectronicInvoiceStatus": "NotRequired"
  //   }
  // }

  // Use this online tool to generate parsing code from sample JSON: 
  // Generate Parsing Code from JSON

  final json = CkJsonObject();

  json.loadSb(sbResponse);

  var strVal = '';

  final amazonOrderId = json.stringOf('payload.AmazonOrderId');
  final purchaseDate = json.stringOf('payload.PurchaseDate');
  final lastUpdateDate = json.stringOf('payload.LastUpdateDate');
  final orderStatus = json.stringOf('payload.OrderStatus');
  final fulfillmentChannel = json.stringOf('payload.FulfillmentChannel');
  final salesChannel = json.stringOf('payload.SalesChannel');
  final shipServiceLevel = json.stringOf('payload.ShipServiceLevel');
  final currencyCode = json.stringOf('payload.OrderTotal.CurrencyCode');
  final amount = json.stringOf('payload.OrderTotal.Amount');
  final numberOfItemsShipped = json.intOf('payload.NumberOfItemsShipped');
  final numberOfItemsUnshipped = json.intOf('payload.NumberOfItemsUnshipped');
  final paymentMethod = json.stringOf('payload.PaymentMethod');
  final marketplaceId = json.stringOf('payload.MarketplaceId');
  final shipmentServiceLevelCategory = json.stringOf('payload.ShipmentServiceLevelCategory');
  final orderType = json.stringOf('payload.OrderType');
  final earliestShipDate = json.stringOf('payload.EarliestShipDate');
  final latestShipDate = json.stringOf('payload.LatestShipDate');
  final earliestDeliveryDate = json.stringOf('payload.EarliestDeliveryDate');
  final latestDeliveryDate = json.stringOf('payload.LatestDeliveryDate');
  final name = json.stringOf('payload.DefaultShipFromLocationAddress.Name');
  final addressLine1 = json.stringOf('payload.DefaultShipFromLocationAddress.AddressLine1');
  final city = json.stringOf('payload.DefaultShipFromLocationAddress.City');
  final stateOrRegion = json.stringOf('payload.DefaultShipFromLocationAddress.StateOrRegion');
  final postalCode = json.stringOf('payload.DefaultShipFromLocationAddress.PostalCode');
  final countryCode = json.stringOf('payload.DefaultShipFromLocationAddress.CountryCode');
  final phone = json.stringOf('payload.DefaultShipFromLocationAddress.Phone');
  final addressType = json.stringOf('payload.DefaultShipFromLocationAddress.AddressType');
  final fulfillmentSupplySourceId = json.stringOf('payload.FulfillmentInstruction.FulfillmentSupplySourceId');
  final easyShipShipmentStatus = json.stringOf('payload.EasyShipShipmentStatus');
  final electronicInvoiceStatus = json.stringOf('payload.ElectronicInvoiceStatus');
  var i = 0;
  final countI = json.sizeOfArray('payload.PaymentMethodDetails');
  while (i < countI) {
    json.i = i;
    strVal = json.stringOf('payload.PaymentMethodDetails[i]');
    i++;
  }

  print('Success!');
}