Rust

Amazon Pay - Complete Checkout Session

See more Amazon Pay Examples

Complete Checkout Session after the buyer returns to checkoutResultReturnUrl to finalize the paymentIntent. Rust

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

let http = chilkat::Http::new();

// Implements the following CURL command:

// curl "https://pay-api.amazon.com/:version/checkoutSessions/:checkoutSessionId/complete" \
// -X POST
// -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
// -H "x-amz-pay-date:20201012T235046Z"
// -H "x-amz-pay-idempotency-key:AVLo5tI10BHgEk2jEXAMPLEKEY"
// -d '{
//     "chargeAmount": {
//         "amount": "14.00",
//         "currencyCode": "USD"
//     }
// }'

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP 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.

// {
//   "chargeAmount": {
//     "amount": "14.00",
//     "currencyCode": "USD"
//   }
// }

let json = chilkat::JsonObject::new();
let _ = json.update_string("chargeAmount.amount", "14.00");
let _ = json.update_string("chargeAmount.currencyCode", "USD");

// 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.
let priv_key = chilkat::PrivateKey::new();
if priv_key.load_pem_file("C:/someDir/myAmazonPayPrivateKey.pem").is_err() {
    println!("{}", priv_key.last_error_text());
    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
let public_key_id = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW".to_string();
if http.set_auth_private_key(&public_key_id, &priv_key).is_err() {
    println!("{}", http.last_error_text());
    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.set_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
let _ = http.set_url_var("sessionId", "62b7d028-6c7c-4a43-b077-3897dff27c5b").is_ok();
let resp = chilkat::HttpResponse::new();
if http.http_json("POST", "https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}/complete", &json, "application/json", &resp).is_err() {
    println!("{}", http.last_error_text());
    return;
}

let sb_response_body = chilkat::StringBuilder::new();
let _ = resp.get_body_sb(&sb_response_body);
let j_resp = chilkat::JsonObject::new();
let _ = j_resp.load_sb(&sb_response_body);
j_resp.set_emit_compact(false);

// If the status code is not equal to 200, this will display error information.
println!("Response Body:");
println!("{}", j_resp.emit().unwrap_or_default());

let resp_status_code = resp.status_code();
println!("Response Status Code = {}", resp_status_code);
if resp_status_code != 200 {

    // A sample response body for the case where the session ID does not exist:
    // 	{
    // 	  "reasonCode": "ResourceNotFound",
    // 	  "message": "Resource you are trying to access is not available. Requested path '/sandbox/v2/checkoutSessions/bd504926-f659-4ad7-a1a9-9a747aaf5275'"
    // 	}

    // Another sample failure response (status code = 422)
    // 	{
    // 	  "reasonCode": "InvalidCheckoutSessionStatus",
    // 	  "message": "You tried to call an operation on a Checkout Session that is in a state where that operation is not allowed"
    // 	}

    println!("Failed.");
    return;
}

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

// {
//   "checkoutSessionId": "bd504926-f659-4ad7-a1a9-9a747aaf5275",
//   "webCheckoutDetails": null,
//   "chargePermissionType": "OneTime",
//   "recurringMetadata": null,
//   "productType": null,
//   "paymentDetails": null,
//   "merchantMetadata": null,
//   "supplementaryData": null,
//   "buyer": null,
//   "billingAddress": null,
//   "paymentPreferences": [
//     null
//   ],
//   "statusDetails": {
//     "state": "Completed",
//     "reasonCode": null,
//     "reasonDescription": null,
//     "lastUpdatedTimestamp": "20191015T204327Z"
//   },
//   "shippingAddress": null,
//   "platformId": null,
//   "chargePermissionId": "S01-5105180-3221187",
//   "chargeId": "S01-5105180-3221187-C056351",
//   "constraints": [
//     null
//   ],
//   "creationTimestamp": "20191015T204313Z",
//   "expirationTimestamp": null,
//   "storeId": null,
//   "deliverySpecifications": null,
//   "providerMetadata": null,
//   "releaseEnvironment": null
// }

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

let checkout_session_id = j_resp.string_of("checkoutSessionId").unwrap_or_default();
let web_checkout_details = j_resp.string_of("webCheckoutDetails").unwrap_or_default();
let charge_permission_type = j_resp.string_of("chargePermissionType").unwrap_or_default();
let recurring_metadata = j_resp.string_of("recurringMetadata").unwrap_or_default();
let product_type = j_resp.string_of("productType").unwrap_or_default();
let payment_details = j_resp.string_of("paymentDetails").unwrap_or_default();
let merchant_metadata = j_resp.string_of("merchantMetadata").unwrap_or_default();
let supplementary_data = j_resp.string_of("supplementaryData").unwrap_or_default();
let buyer = j_resp.string_of("buyer").unwrap_or_default();
let billing_address = j_resp.string_of("billingAddress").unwrap_or_default();
let status_details_state = j_resp.string_of("statusDetails.state").unwrap_or_default();
let status_details_reason_code = j_resp.string_of("statusDetails.reasonCode").unwrap_or_default();
let status_details_reason_description = j_resp.string_of("statusDetails.reasonDescription").unwrap_or_default();
let status_details_last_updated_timestamp = j_resp.string_of("statusDetails.lastUpdatedTimestamp").unwrap_or_default();
let shipping_address = j_resp.string_of("shippingAddress").unwrap_or_default();
let platform_id = j_resp.string_of("platformId").unwrap_or_default();
let charge_permission_id = j_resp.string_of("chargePermissionId").unwrap_or_default();
let charge_id = j_resp.string_of("chargeId").unwrap_or_default();
let creation_timestamp = j_resp.string_of("creationTimestamp").unwrap_or_default();
let expiration_timestamp = j_resp.string_of("expirationTimestamp").unwrap_or_default();
let store_id = j_resp.string_of("storeId").unwrap_or_default();
let delivery_specifications = j_resp.string_of("deliverySpecifications").unwrap_or_default();
let provider_metadata = j_resp.string_of("providerMetadata").unwrap_or_default();
let release_environment = j_resp.string_of("releaseEnvironment").unwrap_or_default();
let mut i = 0;
let mut count_i = j_resp.size_of_array("paymentPreferences");
while i < count_i {
    j_resp.set_i(i);
    let _ = j_resp.is_null_of("paymentPreferences[i]");
    i = i + 1;
}

i = 0;
count_i = j_resp.size_of_array("constraints");
while i < count_i {
    j_resp.set_i(i);
    let _ = j_resp.is_null_of("constraints[i]");
    i = i + 1;
}