(Objective-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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#import <CkoHttp.h>
#import <CkoJsonObject.h>
#import <CkoPrivateKey.h>
#import <NSString.h>
#import <CkoHttpResponse.h>
#import <CkoStringBuilder.h>

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

CkoHttp *http = [[CkoHttp alloc] init];
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"
//   }]
// }

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"amazonOrderReferenceId" value: @"P00-0000000-0000000"];
[json UpdateString: @"deliveryDetails[0].trackingNumber" value: @"1Z999AA10123456784"];
[json UpdateString: @"deliveryDetails[0].carrierCode" value: @"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.
CkoPrivateKey *privKey = [[CkoPrivateKey alloc] init];
success = [privKey LoadPemFile: @"C:/someDir/myAmazonPayPrivateKey.pem"];
if (success == NO) {
    NSLog(@"%@",privKey.LastErrorText);
    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
NSString *publicKeyId = @"SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
success = [http SetAuthPrivateKey: publicKeyId privKey: privKey];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    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.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
CkoHttpResponse *resp = [http PostJson3: @"https://pay-api.amazon.eu/sandbox/v2/deliveryTrackers" contentType: @"application/json" json: json];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
[resp GetBodySb: sbResponseBody];
CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: sbResponseBody];
jResp.EmitCompact = NO;

// If the status code is not equal to 200, this will display error information.
NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

int respStatusCode = [resp.StatusCode intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
if (respStatusCode != 200) {
    NSLog(@"%@",@"Failed.");

    return;
}

// 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

NSString *trackingNumber = 0;
NSString *carrierCode = 0;

NSString *amazonOrderReferenceId = [jResp StringOf: @"amazonOrderReferenceId"];
int i = 0;
int count_i = [[jResp SizeOfArray: @"deliveryDetails"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    trackingNumber = [jResp StringOf: @"deliveryDetails[i].trackingNumber"];
    carrierCode = [jResp StringOf: @"deliveryDetails[i].carrierCode"];
    i = i + 1;
}