(C++) Amazon Pay - Create Delivery Tracker

See more Amazon Pay Examples

Create a Delivery Tracker once an order has been shipped and a tracking code has been generated.

Note: This example requires Chilkat v9.5.0.89 or later. Contact support@chilkatsoft.com to get a v9.5.0.89 pre-release for testing.

For more information, see https://developer.amazon.com/docs/amazon-pay-api-v2/delivery-tracker.html#button_widget_other

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#include <CkHttp.h>
#include <CkJsonObject.h>
#include <CkPrivateKey.h>
#include <CkHttpResponse.h>
#include <CkStringBuilder.h>

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

    CkHttp http;
    bool success;

    // Implements the following POST:

    // POST /:version/deliveryTrackers HTTP/1.1
    // Host: pay-api.amazon.com
    // Accept: application/json
    // Authorization: AMZN-PAY-RSASSA-PSS PublicKeyId=f4fc06fc-c5a7-11e7-abc4-cec278b6b50a, SignedHeaders=content-type;x-amz-pay-date, Signature=4164128ec5d1b9da1700167ab2ccda8125f472c8bb9de447cebf5d741ee317c8       
    // X-Amz-Pay-Date: 20190305T024410Z
    // Content-type: application/json
    // 
    // {
    //     "amazonOrderReferenceId" : "P00-0000000-0000000",
    //     "deliveryDetails" : [{
    //     "trackingNumber" : "1Z999AA10123456784",
    //     "carrierCode" : "UPS"
    //   }]
    // }

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a Raw HTTP Request to Source Code

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

    // The following JSON is sent in the request body.

    // {
    //     "amazonOrderReferenceId" : "P00-0000000-0000000",
    //     "deliveryDetails" : [{
    //     "trackingNumber" : "1Z999AA10123456784",
    //     "carrierCode" : "UPS"
    //   }]
    // }

    CkJsonObject json;
    json.UpdateString("amazonOrderReferenceId","P00-0000000-0000000");
    json.UpdateString("deliveryDetails[0].trackingNumber","1Z999AA10123456784");
    json.UpdateString("deliveryDetails[0].carrierCode","UPS");

    // Load your Amazon Pay private key.  
    // There are many other ways to load private keys into the Chilkat private key object, such as from different formats,
    // or from in-memory strings or bytes.
    CkPrivateKey privKey;
    success = privKey.LoadPemFile("C:/someDir/myAmazonPayPrivateKey.pem");
    if (success == false) {
        std::cout << privKey.lastErrorText() << "\r\n";
        return;
    }

    // Provide your Amazon Pay private key and Public Key ID 
    // Use your public key ID here.  It must be the one associated with the private key.
    // Note: The SetAuthPrivateKey method was added in Chilkat v9.5.0.89
    const char *publicKeyId = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
    success = http.SetAuthPrivateKey(publicKeyId,privKey);
    if (success == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    // Note: When the private key is provided as shown above, Chilkat will automatically add the required x-amz-pay-* headers to the HTTP request,
    // and will also sign the request.  Nothing more is needed.
    // Chilkat automatically generates and adds the following headers:
    // 
    // x-amz-pay-date
    // x-amz-pay-host
    // x-amz-pay-region
    // x-amz-pay-idempotency-key
    // Authorization

    http.put_Accept("application/json");

    // To use the live system, replace "sandbox" with "live" in the URL passed to PostJson3.
    // Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
    CkHttpResponse *resp = http.PostJson3("https://pay-api.amazon.eu/sandbox/v2/deliveryTrackers","application/json",json);
    if (http.get_LastMethodSuccess() == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    CkStringBuilder sbResponseBody;
    resp->GetBodySb(sbResponseBody);
    CkJsonObject jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    // If the status code is not equal to 200, this will display error information.
    std::cout << "Response Body:" << "\r\n";
    std::cout << jResp.emit() << "\r\n";

    int respStatusCode = resp->get_StatusCode();
    std::cout << "Response Status Code = " << respStatusCode << "\r\n";
    if (respStatusCode != 200) {
        std::cout << "Failed." << "\r\n";
        delete resp;
        return;
    }

    delete resp;

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //     "amazonOrderReferenceId": "P00-0000000-0000000",
    //     "deliveryDetails": [{
    //         "trackingNumber": "1Z999AA10123456784",
    //         "carrierCode": "UPS"
    //     }]
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    const char *trackingNumber = 0;
    const char *carrierCode = 0;

    const char *amazonOrderReferenceId = jResp.stringOf("amazonOrderReferenceId");
    int i = 0;
    int count_i = jResp.SizeOfArray("deliveryDetails");
    while (i < count_i) {
        jResp.put_I(i);
        trackingNumber = jResp.stringOf("deliveryDetails[i].trackingNumber");
        carrierCode = jResp.stringOf("deliveryDetails[i].carrierCode");
        i = i + 1;
    }
    }