(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_CkAuthAws.h>
#include <C_CkJsonObject.h>
#include <C_CkRest.h>
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    const char *orderId;
    HCkAuthAws authAws;
    HCkJsonObject jsonLwaToken;
    BOOL success;
    HCkRest rest;
    const char *lwa_token;
    HCkStringBuilder sbPath;
    HCkJsonObject jsonRc;
    HCkStringBuilder sbRequest;
    HCkStringBuilder sbResponse;
    const char *uri;
    int statusCode;
    HCkJsonObject jsonResp;
    const char *restrictedDataToken;
    HCkJsonObject json;
    const char *ASIN;
    const char *OrderItemId;
    const char *SellerSKU;
    const char *Title;
    int QuantityOrdered;
    int QuantityShipped;
    int NumberOfItems;
    const char *CurrencyCode;
    const char *Amount;
    const char *ItemTaxCurrencyCode;
    const char *ItemTaxAmount;
    const char *PromotionDiscountCurrencyCode;
    const char *PromotionDiscountAmount;
    BOOL IsGift;
    const char *ConditionId;
    const char *ConditionSubtypeId;
    BOOL IsTransparency;
    BOOL SerialNumberRequired;
    const char *IossNumber;
    const char *DeemedResellerCategory;
    const char *StoreChainStoreId;
    BOOL IsBuyerRequestedCancel;
    const char *BuyerCancelReason;
    const char *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 = "TEST_CASE_200";

    authAws = CkAuthAws_Create();
    CkAuthAws_putAccessKey(authAws,"AWS_ACCESS_KEY");
    CkAuthAws_putSecretKey(authAws,"AWS_SECRET_KEY");
    CkAuthAws_putServiceName(authAws,"execute-api");
    // Use the region that is correct for your needs.
    CkAuthAws_putRegion(authAws,"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 = CkJsonObject_Create();
    success = CkJsonObject_LoadFile(jsonLwaToken,"qa_data/tokens/sp_api_lwa_token.json");
    if (success == FALSE) {
        printf("Failed to load LWA access token.\n");
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(jsonLwaToken);
        return;
    }

    // Must use the non-sandbox domain for getting the RDT.
    rest = CkRest_Create();
    success = CkRest_Connect(rest,"sellingpartnerapi-eu.amazon.com",443,TRUE,TRUE);
    if (success == FALSE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(jsonLwaToken);
        CkRest_Dispose(rest);
        return;
    }

    success = CkRest_SetAuthAws(rest,authAws);

    // Add the x-amz-access-token request header.
    lwa_token = CkJsonObject_stringOf(jsonLwaToken,"access_token");
    CkRest_ClearAllHeaders(rest);
    CkRest_AddHeader(rest,"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 = CkStringBuilder_Create();
    CkStringBuilder_Append(sbPath,"/orders/v0/orders/");
    CkStringBuilder_Append(sbPath,orderId);
    CkStringBuilder_Append(sbPath,"/orderItems");

    jsonRc = CkJsonObject_Create();
    CkJsonObject_UpdateString(jsonRc,"restrictedResources[0].method","GET");
    CkJsonObject_UpdateString(jsonRc,"restrictedResources[0].path",CkStringBuilder_getAsString(sbPath));
    CkJsonObject_UpdateString(jsonRc,"restrictedResources[0].dataElements[0]","buyerInfo");

    sbRequest = CkStringBuilder_Create();
    CkJsonObject_EmitSb(jsonRc,sbRequest);

    sbResponse = CkStringBuilder_Create();
    uri = "/tokens/2021-03-01/restrictedDataToken";
    success = CkRest_FullRequestSb(rest,"POST",uri,sbRequest,sbResponse);
    if (success == FALSE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(jsonLwaToken);
        CkRest_Dispose(rest);
        CkStringBuilder_Dispose(sbPath);
        CkJsonObject_Dispose(jsonRc);
        CkStringBuilder_Dispose(sbRequest);
        CkStringBuilder_Dispose(sbResponse);
        return;
    }

    // Examine the response status.
    statusCode = CkRest_getResponseStatusCode(rest);
    if (statusCode != 200) {
        printf("Response status code: %d\n",statusCode);
        printf("Response status text: %s\n",CkRest_responseStatusText(rest));
        printf("Response body: \n");
        printf("%s\n",CkStringBuilder_getAsString(sbResponse));
        printf("Failed.\n");
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(jsonLwaToken);
        CkRest_Dispose(rest);
        CkStringBuilder_Dispose(sbPath);
        CkJsonObject_Dispose(jsonRc);
        CkStringBuilder_Dispose(sbRequest);
        CkStringBuilder_Dispose(sbResponse);
        return;
    }

    // Get the restricted data token.
    jsonResp = CkJsonObject_Create();
    CkJsonObject_LoadSb(jsonResp,sbResponse);
    restrictedDataToken = CkJsonObject_stringOf(jsonResp,"restrictedDataToken");
    printf("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.)
    CkRest_Disconnect(rest,100);

    success = CkRest_Connect(rest,"sandbox.sellingpartnerapi-eu.amazon.com",443,TRUE,TRUE);
    if (success == FALSE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(jsonLwaToken);
        CkRest_Dispose(rest);
        CkStringBuilder_Dispose(sbPath);
        CkJsonObject_Dispose(jsonRc);
        CkStringBuilder_Dispose(sbRequest);
        CkStringBuilder_Dispose(sbResponse);
        CkJsonObject_Dispose(jsonResp);
        return;
    }

    success = CkRest_SetAuthAws(rest,authAws);

    CkRest_ClearAllHeaders(rest);
    CkRest_AddHeader(rest,"x-amz-access-token",restrictedDataToken);

    CkRest_ClearAllQueryParams(rest);
    CkRest_AddQueryParam(rest,"MarketplaceIds","ATVPDKIKX0DER");

    CkRest_ClearAllPathParams(rest);
    CkRest_AddPathParam(rest,"{orderId}",orderId);

    uri = "/orders/v0/orders/{orderId}/orderItems";
    success = CkRest_FullRequestNoBodySb(rest,"GET",uri,sbResponse);
    if (success == FALSE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(jsonLwaToken);
        CkRest_Dispose(rest);
        CkStringBuilder_Dispose(sbPath);
        CkJsonObject_Dispose(jsonRc);
        CkStringBuilder_Dispose(sbRequest);
        CkStringBuilder_Dispose(sbResponse);
        CkJsonObject_Dispose(jsonResp);
        return;
    }

    // Examine the response status.
    statusCode = CkRest_getResponseStatusCode(rest);
    if (statusCode != 200) {
        printf("Response status text: %s\n",CkRest_responseStatusText(rest));
        printf("Response body: \n");
        printf("%s\n",CkStringBuilder_getAsString(sbResponse));
        printf("Failed.\n");
        CkAuthAws_Dispose(authAws);
        CkJsonObject_Dispose(jsonLwaToken);
        CkRest_Dispose(rest);
        CkStringBuilder_Dispose(sbPath);
        CkJsonObject_Dispose(jsonRc);
        CkStringBuilder_Dispose(sbRequest);
        CkStringBuilder_Dispose(sbResponse);
        CkJsonObject_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 = CkJsonObject_Create();

    CkJsonObject_LoadSb(json,sbResponse);
    CkJsonObject_putEmitCompact(json,FALSE);
    printf("%s\n",CkJsonObject_emit(json));

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

    printf("Success!\n");


    CkAuthAws_Dispose(authAws);
    CkJsonObject_Dispose(jsonLwaToken);
    CkRest_Dispose(rest);
    CkStringBuilder_Dispose(sbPath);
    CkJsonObject_Dispose(jsonRc);
    CkStringBuilder_Dispose(sbRequest);
    CkStringBuilder_Dispose(sbResponse);
    CkJsonObject_Dispose(jsonResp);
    CkJsonObject_Dispose(json);

    }