(Swift 2) Amazon SP-API Get Order Items

See more Amazon SP-API Examples

Returns detailed order item information for the order that you specify.

For more information, see https://developer-docs.amazon.com/sp-api/docs/orders-api-v0-reference#get-ordersv0ordersorderidorderitems

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    // Gets detailed order item information for a specified 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
    var orderId: String? = "TEST_CASE_200"

    let authAws = CkoAuthAws()
    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
    let jsonLwaToken = CkoJsonObject()
    var success: Bool = jsonLwaToken.LoadFile("qa_data/tokens/sp_api_lwa_token.json")
    if success == false {
        print("Failed to load LWA access token.")
        return
    }

    // Must use the non-sandbox domain for getting the RDT.
    let rest = CkoRest()
    success = rest.Connect("sellingpartnerapi-eu.amazon.com", port: 443, tls: true, autoReconnect: true)
    if success == false {
        print("\(rest.LastErrorText)")
        return
    }

    success = rest.SetAuthAws(authAws)

    // Add the x-amz-access-token request header.
    var lwa_token: String? = jsonLwaToken.StringOf("access_token")
    rest.ClearAllHeaders()
    rest.AddHeader("x-amz-access-token", value: lwa_token)

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

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

    let sbPath = CkoStringBuilder()
    sbPath.Append("/orders/v0/orders/")
    sbPath.Append(orderId)
    sbPath.Append("/orderItems")

    let jsonRc = CkoJsonObject()
    jsonRc.UpdateString("restrictedResources[0].method", value: "GET")
    jsonRc.UpdateString("restrictedResources[0].path", value: sbPath.GetAsString())
    jsonRc.UpdateString("restrictedResources[0].dataElements[0]", value: "buyerInfo")

    let sbRequest = CkoStringBuilder()
    jsonRc.EmitSb(sbRequest)

    let sbResponse = CkoStringBuilder()
    var uri: String? = "/tokens/2021-03-01/restrictedDataToken"
    success = rest.FullRequestSb("POST", uriPath: uri, requestBody: sbRequest, responseBody: sbResponse)
    if success == false {
        print("\(rest.LastErrorText)")
        return
    }

    // Examine the response status.
    var statusCode: Int = rest.ResponseStatusCode.intValue
    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.
    let jsonResp = CkoJsonObject()
    jsonResp.LoadSb(sbResponse)
    var restrictedDataToken: String? = 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)

    success = rest.Connect("sandbox.sellingpartnerapi-eu.amazon.com", port: 443, tls: true, autoReconnect: true)
    if success == false {
        print("\(rest.LastErrorText)")
        return
    }

    success = rest.SetAuthAws(authAws)

    rest.ClearAllHeaders()
    rest.AddHeader("x-amz-access-token", value: restrictedDataToken)

    rest.ClearAllQueryParams()
    rest.AddQueryParam("MarketplaceIds", value: "ATVPDKIKX0DER")

    rest.ClearAllPathParams()
    rest.AddPathParam("{orderId}", value: orderId)

    uri = "/orders/v0/orders/{orderId}/orderItems"
    success = rest.FullRequestNoBodySb("GET", uriPath: uri, sb: sbResponse)
    if success == false {
        print("\(rest.LastErrorText)")
        return
    }

    // Examine the response status.
    statusCode = rest.ResponseStatusCode.intValue
    if statusCode != 200 {
        print("Response status text: \(rest.ResponseStatusText)")
        print("Response body: ")
        print("\(sbResponse.GetAsString())")
        print("Failed.")
        return
    }

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

    // {
    //   "payload": {
    //     "AmazonOrderId": "902-1845936-5435065",
    //     "OrderItems": [
    //       {
    //         "ASIN": "B00551Q3CS",
    //         "OrderItemId": "05015851154158",
    //         "SellerSKU": "NABetaASINB00551Q3CS",
    //         "Title": "B00551Q3CS [Card Book]",
    //         "QuantityOrdered": 1,
    //         "QuantityShipped": 0,
    //         "ProductInfo": {
    //           "NumberOfItems": 1
    //         },
    //         "ItemPrice": {
    //           "CurrencyCode": "USD",
    //           "Amount": "10.00"
    //         },
    //         "ItemTax": {
    //           "CurrencyCode": "USD",
    //           "Amount": "1.01"
    //         },
    //         "PromotionDiscount": {
    //           "CurrencyCode": "USD",
    //           "Amount": "0.00"
    //         },
    //         "IsGift": false,
    //         "ConditionId": "New",
    //         "ConditionSubtypeId": "New",
    //         "IsTransparency": false,
    //         "SerialNumberRequired": false,
    //         "IossNumber": "",
    //         "DeemedResellerCategory": "IOSS",
    //         "StoreChainStoreId": "ISPU_StoreId",
    //         "BuyerRequestedCancel": {
    //           "IsBuyerRequestedCancel": true,
    //           "BuyerCancelReason": "Found cheaper somewhere else."
    //         }
    //       }
    //     ]
    //   }
    // }

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

    let json = CkoJsonObject()

    json.LoadSb(sbResponse)
    json.EmitCompact = false
    print("\(json.Emit())")

    var ASIN: String?
    var OrderItemId: String?
    var SellerSKU: String?
    var Title: String?
    var QuantityOrdered: Int
    var QuantityShipped: Int
    var NumberOfItems: Int
    var CurrencyCode: String?
    var Amount: String?
    var ItemTaxCurrencyCode: String?
    var ItemTaxAmount: String?
    var PromotionDiscountCurrencyCode: String?
    var PromotionDiscountAmount: String?
    var IsGift: Bool
    var ConditionId: String?
    var ConditionSubtypeId: String?
    var IsTransparency: Bool
    var SerialNumberRequired: Bool
    var IossNumber: String?
    var DeemedResellerCategory: String?
    var StoreChainStoreId: String?
    var IsBuyerRequestedCancel: Bool
    var BuyerCancelReason: String?

    var AmazonOrderId: String? = json.StringOf("payload.AmazonOrderId")
    var i: Int = 0
    var count_i: Int = json.SizeOfArray("payload.OrderItems").intValue
    while i < count_i {
        json.I = i
        ASIN = json.StringOf("payload.OrderItems[i].ASIN")
        OrderItemId = json.StringOf("payload.OrderItems[i].OrderItemId")
        SellerSKU = json.StringOf("payload.OrderItems[i].SellerSKU")
        Title = json.StringOf("payload.OrderItems[i].Title")
        QuantityOrdered = json.IntOf("payload.OrderItems[i].QuantityOrdered").intValue
        QuantityShipped = json.IntOf("payload.OrderItems[i].QuantityShipped").intValue
        NumberOfItems = json.IntOf("payload.OrderItems[i].ProductInfo.NumberOfItems").intValue
        CurrencyCode = json.StringOf("payload.OrderItems[i].ItemPrice.CurrencyCode")
        Amount = json.StringOf("payload.OrderItems[i].ItemPrice.Amount")
        ItemTaxCurrencyCode = json.StringOf("payload.OrderItems[i].ItemTax.CurrencyCode")
        ItemTaxAmount = json.StringOf("payload.OrderItems[i].ItemTax.Amount")
        PromotionDiscountCurrencyCode = json.StringOf("payload.OrderItems[i].PromotionDiscount.CurrencyCode")
        PromotionDiscountAmount = json.StringOf("payload.OrderItems[i].PromotionDiscount.Amount")
        IsGift = json.BoolOf("payload.OrderItems[i].IsGift")
        ConditionId = json.StringOf("payload.OrderItems[i].ConditionId")
        ConditionSubtypeId = json.StringOf("payload.OrderItems[i].ConditionSubtypeId")
        IsTransparency = json.BoolOf("payload.OrderItems[i].IsTransparency")
        SerialNumberRequired = json.BoolOf("payload.OrderItems[i].SerialNumberRequired")
        IossNumber = json.StringOf("payload.OrderItems[i].IossNumber")
        DeemedResellerCategory = json.StringOf("payload.OrderItems[i].DeemedResellerCategory")
        StoreChainStoreId = json.StringOf("payload.OrderItems[i].StoreChainStoreId")
        IsBuyerRequestedCancel = json.BoolOf("payload.OrderItems[i].BuyerRequestedCancel.IsBuyerRequestedCancel")
        BuyerCancelReason = json.StringOf("payload.OrderItems[i].BuyerRequestedCancel.BuyerCancelReason")
        i = i + 1
    }

    print("Success!")

}