(Unicode C) 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

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#include <C_CkAuthAwsW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkRestW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    const wchar_t *orderId;
    HCkAuthAwsW authAws;
    HCkJsonObjectW jsonLwaToken;
    BOOL success;
    HCkRestW rest;
    const wchar_t *lwa_token;
    HCkStringBuilderW sbPath;
    HCkJsonObjectW jsonRc;
    HCkStringBuilderW sbRequest;
    HCkStringBuilderW sbResponse;
    const wchar_t *uri;
    int statusCode;
    HCkJsonObjectW jsonResp;
    const wchar_t *restrictedDataToken;
    HCkJsonObjectW json;
    const wchar_t *ASIN;
    const wchar_t *OrderItemId;
    const wchar_t *SellerSKU;
    const wchar_t *Title;
    int QuantityOrdered;
    int QuantityShipped;
    int NumberOfItems;
    const wchar_t *CurrencyCode;
    const wchar_t *Amount;
    const wchar_t *ItemTaxCurrencyCode;
    const wchar_t *ItemTaxAmount;
    const wchar_t *PromotionDiscountCurrencyCode;
    const wchar_t *PromotionDiscountAmount;
    BOOL IsGift;
    const wchar_t *ConditionId;
    const wchar_t *ConditionSubtypeId;
    BOOL IsTransparency;
    BOOL SerialNumberRequired;
    const wchar_t *IossNumber;
    const wchar_t *DeemedResellerCategory;
    const wchar_t *StoreChainStoreId;
    BOOL IsBuyerRequestedCancel;
    const wchar_t *BuyerCancelReason;
    const wchar_t *AmazonOrderId;
    int i;
    int count_i;

    // 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
    orderId = L"TEST_CASE_200";

    authAws = CkAuthAwsW_Create();
    CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY");
    CkAuthAwsW_putSecretKey(authAws,L"AWS_SECRET_KEY");
    CkAuthAwsW_putServiceName(authAws,L"execute-api");
    // Use the region that is correct for your needs.
    CkAuthAwsW_putRegion(authAws,L"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
    jsonLwaToken = CkJsonObjectW_Create();
    success = CkJsonObjectW_LoadFile(jsonLwaToken,L"qa_data/tokens/sp_api_lwa_token.json");
    if (success == FALSE) {
        wprintf(L"Failed to load LWA access token.\n");
        CkAuthAwsW_Dispose(authAws);
        CkJsonObjectW_Dispose(jsonLwaToken);
        return;
    }

    // Must use the non-sandbox domain for getting the RDT.
    rest = CkRestW_Create();
    success = CkRestW_Connect(rest,L"sellingpartnerapi-eu.amazon.com",443,TRUE,TRUE);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkAuthAwsW_Dispose(authAws);
        CkJsonObjectW_Dispose(jsonLwaToken);
        CkRestW_Dispose(rest);
        return;
    }

    success = CkRestW_SetAuthAws(rest,authAws);

    // Add the x-amz-access-token request header.
    lwa_token = CkJsonObjectW_stringOf(jsonLwaToken,L"access_token");
    CkRestW_ClearAllHeaders(rest);
    CkRestW_AddHeader(rest,L"x-amz-access-token",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"]
    //     }
    //   ]
    // }

    sbPath = CkStringBuilderW_Create();
    CkStringBuilderW_Append(sbPath,L"/orders/v0/orders/");
    CkStringBuilderW_Append(sbPath,orderId);
    CkStringBuilderW_Append(sbPath,L"/orderItems");

    jsonRc = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(jsonRc,L"restrictedResources[0].method",L"GET");
    CkJsonObjectW_UpdateString(jsonRc,L"restrictedResources[0].path",CkStringBuilderW_getAsString(sbPath));
    CkJsonObjectW_UpdateString(jsonRc,L"restrictedResources[0].dataElements[0]",L"buyerInfo");

    sbRequest = CkStringBuilderW_Create();
    CkJsonObjectW_EmitSb(jsonRc,sbRequest);

    sbResponse = CkStringBuilderW_Create();
    uri = L"/tokens/2021-03-01/restrictedDataToken";
    success = CkRestW_FullRequestSb(rest,L"POST",uri,sbRequest,sbResponse);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkAuthAwsW_Dispose(authAws);
        CkJsonObjectW_Dispose(jsonLwaToken);
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbPath);
        CkJsonObjectW_Dispose(jsonRc);
        CkStringBuilderW_Dispose(sbRequest);
        CkStringBuilderW_Dispose(sbResponse);
        return;
    }

    // Examine the response status.
    statusCode = CkRestW_getResponseStatusCode(rest);
    if (statusCode != 200) {
        wprintf(L"Response status code: %d\n",statusCode);
        wprintf(L"Response status text: %s\n",CkRestW_responseStatusText(rest));
        wprintf(L"Response body: \n");
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponse));
        wprintf(L"Failed.\n");
        CkAuthAwsW_Dispose(authAws);
        CkJsonObjectW_Dispose(jsonLwaToken);
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbPath);
        CkJsonObjectW_Dispose(jsonRc);
        CkStringBuilderW_Dispose(sbRequest);
        CkStringBuilderW_Dispose(sbResponse);
        return;
    }

    // Get the restricted data token.
    jsonResp = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jsonResp,sbResponse);
    restrictedDataToken = CkJsonObjectW_stringOf(jsonResp,L"restrictedDataToken");
    wprintf(L"Restricted Data Token: %s\n",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.)
    CkRestW_Disconnect(rest,100);

    success = CkRestW_Connect(rest,L"sandbox.sellingpartnerapi-eu.amazon.com",443,TRUE,TRUE);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkAuthAwsW_Dispose(authAws);
        CkJsonObjectW_Dispose(jsonLwaToken);
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbPath);
        CkJsonObjectW_Dispose(jsonRc);
        CkStringBuilderW_Dispose(sbRequest);
        CkStringBuilderW_Dispose(sbResponse);
        CkJsonObjectW_Dispose(jsonResp);
        return;
    }

    success = CkRestW_SetAuthAws(rest,authAws);

    CkRestW_ClearAllHeaders(rest);
    CkRestW_AddHeader(rest,L"x-amz-access-token",restrictedDataToken);

    CkRestW_ClearAllQueryParams(rest);
    CkRestW_AddQueryParam(rest,L"MarketplaceIds",L"ATVPDKIKX0DER");

    CkRestW_ClearAllPathParams(rest);
    CkRestW_AddPathParam(rest,L"{orderId}",orderId);

    uri = L"/orders/v0/orders/{orderId}/orderItems";
    success = CkRestW_FullRequestNoBodySb(rest,L"GET",uri,sbResponse);
    if (success == FALSE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkAuthAwsW_Dispose(authAws);
        CkJsonObjectW_Dispose(jsonLwaToken);
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbPath);
        CkJsonObjectW_Dispose(jsonRc);
        CkStringBuilderW_Dispose(sbRequest);
        CkStringBuilderW_Dispose(sbResponse);
        CkJsonObjectW_Dispose(jsonResp);
        return;
    }

    // Examine the response status.
    statusCode = CkRestW_getResponseStatusCode(rest);
    if (statusCode != 200) {
        wprintf(L"Response status text: %s\n",CkRestW_responseStatusText(rest));
        wprintf(L"Response body: \n");
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponse));
        wprintf(L"Failed.\n");
        CkAuthAwsW_Dispose(authAws);
        CkJsonObjectW_Dispose(jsonLwaToken);
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbPath);
        CkJsonObjectW_Dispose(jsonRc);
        CkStringBuilderW_Dispose(sbRequest);
        CkStringBuilderW_Dispose(sbResponse);
        CkJsonObjectW_Dispose(jsonResp);
        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

    json = CkJsonObjectW_Create();

    CkJsonObjectW_LoadSb(json,sbResponse);
    CkJsonObjectW_putEmitCompact(json,FALSE);
    wprintf(L"%s\n",CkJsonObjectW_emit(json));

    AmazonOrderId = CkJsonObjectW_stringOf(json,L"payload.AmazonOrderId");
    i = 0;
    count_i = CkJsonObjectW_SizeOfArray(json,L"payload.OrderItems");
    while (i < count_i) {
        CkJsonObjectW_putI(json,i);
        ASIN = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].ASIN");
        OrderItemId = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].OrderItemId");
        SellerSKU = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].SellerSKU");
        Title = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].Title");
        QuantityOrdered = CkJsonObjectW_IntOf(json,L"payload.OrderItems[i].QuantityOrdered");
        QuantityShipped = CkJsonObjectW_IntOf(json,L"payload.OrderItems[i].QuantityShipped");
        NumberOfItems = CkJsonObjectW_IntOf(json,L"payload.OrderItems[i].ProductInfo.NumberOfItems");
        CurrencyCode = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].ItemPrice.CurrencyCode");
        Amount = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].ItemPrice.Amount");
        ItemTaxCurrencyCode = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].ItemTax.CurrencyCode");
        ItemTaxAmount = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].ItemTax.Amount");
        PromotionDiscountCurrencyCode = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].PromotionDiscount.CurrencyCode");
        PromotionDiscountAmount = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].PromotionDiscount.Amount");
        IsGift = CkJsonObjectW_BoolOf(json,L"payload.OrderItems[i].IsGift");
        ConditionId = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].ConditionId");
        ConditionSubtypeId = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].ConditionSubtypeId");
        IsTransparency = CkJsonObjectW_BoolOf(json,L"payload.OrderItems[i].IsTransparency");
        SerialNumberRequired = CkJsonObjectW_BoolOf(json,L"payload.OrderItems[i].SerialNumberRequired");
        IossNumber = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].IossNumber");
        DeemedResellerCategory = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].DeemedResellerCategory");
        StoreChainStoreId = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].StoreChainStoreId");
        IsBuyerRequestedCancel = CkJsonObjectW_BoolOf(json,L"payload.OrderItems[i].BuyerRequestedCancel.IsBuyerRequestedCancel");
        BuyerCancelReason = CkJsonObjectW_stringOf(json,L"payload.OrderItems[i].BuyerRequestedCancel.BuyerCancelReason");
        i = i + 1;
    }

    wprintf(L"Success!\n");


    CkAuthAwsW_Dispose(authAws);
    CkJsonObjectW_Dispose(jsonLwaToken);
    CkRestW_Dispose(rest);
    CkStringBuilderW_Dispose(sbPath);
    CkJsonObjectW_Dispose(jsonRc);
    CkStringBuilderW_Dispose(sbRequest);
    CkStringBuilderW_Dispose(sbResponse);
    CkJsonObjectW_Dispose(jsonResp);
    CkJsonObjectW_Dispose(json);

    }