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. Objective-C

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

BOOL success = NO;

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

CkoHttp *http = [[CkoHttp alloc] init];

//  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 HttpJson.
//  Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
CkoHttpResponse *resp = [[CkoHttpResponse alloc] init];
success = [http HttpJson: @"POST" url: @"https://pay-api.amazon.eu/sandbox/v2/deliveryTrackers" json: json contentType: @"application/json" response: resp];
if (success == 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;
}