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Rust

Amazon Pay - Update Checkout Session

See more Amazon Pay Examples

Update the Checkout Session with transaction details.

Chilkat Rust Downloads

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" \
// -X PATCH
// -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
// -H "x-amz-pay-date:20201012T235046Z"
// -d '{
//     "webCheckoutDetails": {
//         "checkoutResultReturnUrl": "https://a.com/merchant-confirm-page"
//     },
//     "paymentDetails": {
//         "paymentIntent": "AuthorizeWithCapture",
//         "canHandlePendingAuthorization":false,
//         "softDescriptor": "Descriptor",
//         "chargeAmount": {
//             "amount": "1",
//             "currencyCode": "USD"
//         }
//      },
//     "merchantMetadata": {
//         "merchantReferenceId": "Merchant reference ID",
//         "merchantStoreName": "Merchant store name",
//         "noteToBuyer": "Note to buyer",
//         "customInformation": "Custom information"
//     }
// }'

// 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.

// {
//   "webCheckoutDetails": {
//     "checkoutResultReturnUrl": "https://a.com/merchant-confirm-page"
//   },
//   "paymentDetails": {
//     "paymentIntent": "AuthorizeWithCapture",
//     "canHandlePendingAuthorization": false,
//     "softDescriptor": "Descriptor",
//     "chargeAmount": {
//       "amount": "1",
//       "currencyCode": "USD"
//     }
//   },
//   "merchantMetadata": {
//     "merchantReferenceId": "Merchant reference ID",
//     "merchantStoreName": "Merchant store name",
//     "noteToBuyer": "Note to buyer",
//     "customInformation": "Custom information"
//   }
// }

let json = chilkat::JsonObject::new();
let _ = json.update_string("webCheckoutDetails.checkoutResultReturnUrl", "https://a.com/merchant-confirm-page");
let _ = json.update_string("paymentDetails.paymentIntent", "AuthorizeWithCapture");
let _ = json.update_bool("paymentDetails.canHandlePendingAuthorization", false);
let _ = json.update_string("paymentDetails.softDescriptor", "Descriptor");
let _ = json.update_string("paymentDetails.chargeAmount.amount", "1");
let _ = json.update_string("paymentDetails.chargeAmount.currencyCode", "USD");
let _ = json.update_string("merchantMetadata.merchantReferenceId", "Merchant reference ID");
let _ = json.update_string("merchantMetadata.merchantStoreName", "Merchant store name");
let _ = json.update_string("merchantMetadata.noteToBuyer", "Note to buyer");
let _ = json.update_string("merchantMetadata.customInformation", "Custom information");

let sb_request_body = chilkat::StringBuilder::new();
let _ = json.emit_sb(&sb_request_body);

// 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
// Authorization

http.set_accept("application/json");

let _ = http.set_url_var("sessionId", "62b7d028-6c7c-4a43-b077-3897dff27c5b").is_ok();
// To use the live system, replace "sandbox" with "live" in the URL passed to HttpSb.
// Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
let resp = chilkat::HttpResponse::new();
if http.http_sb("PATCH", "https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}", &sb_request_body, "utf-8", "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'"
    // 	}

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

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

// {
//   "checkoutSessionId": "ada3f397-7d4b-4a55-abac-786685c02d8b",
//   "webCheckoutDetails": {
//     "checkoutReviewReturnUrl": "https://a.com/merchant-review-page",
//     "checkoutResultReturnUrl": "https://a.com/merchant-confirm-page",
//     "checkoutCancelUrl": null,
//     "amazonPayRedirectUrl": "https://pay.amazon.com/redirect/checkoutId-1"
//   },
//   "productType": "PayAndShip",
//   "paymentDetails": {
//     "paymentIntent": "AuthorizeWithCapture",
//     "canHandlePendingAuthorization": false,
//     "chargeAmount": {
//       "amount": "1",
//       "currencyCode": "USD"
//     },
//     "totalOrderAmount": null,
//     "softDescriptor": "Descriptor",
//     "presentmentCurrency": "USD",
//     "allowOvercharge": null,
//     "extendExpiration": null
//   },
//   "merchantMetadata": {
//     "merchantReferenceId": "Merchant reference ID",
//     "merchantStoreName": "Merchant store name",
//     "noteToBuyer": "Note to buyer",
//     "customInformation": "Custom information"
//   },
//   "supplementaryData": null,
//   "buyer": {
//     "buyerId": "buyerId",
//     "name": "name-1",
//     "email": "name@amazon.com",
//     "phoneNumber": "800-000-0000",
//     "primeMembershipTypes": null
//   },
//   "billingAddress": {
//     "name": "Work",
//     "addressLine1": "440 Terry Ave",
//     "addressLine2": "",
//     "addressLine3": "",
//     "city": "Seattle",
//     "county": "King",
//     "district": "Seattle",
//     "stateOrRegion": "WA",
//     "postalCode": "98121",
//     "countryCode": "US"
//   },
//   "paymentPreferences": [
//     {
//       "paymentDescriptor": "Your selected Amazon payment method"
//     }
//   ],
//   "statusDetails": {
//     "state": "Open",
//     "reasonCode": null,
//     "reasonDescription": null,
//     "lastUpdatedTimestamp": "20191015T195703Z"
//   },
//   "shippingAddress": {
//     "name": "Susie Smith",
//     "addressLine1": "10 Ditka Ave",
//     "addressLine2": "Suite 2500",
//     "addressLine3": null,
//     "city": "Chicago",
//     "county": null,
//     "district": null,
//     "stateOrRegion": "IL",
//     "postalCode": "60602",
//     "countryCode": "US",
//     "phoneNumber": "800-000-0000"
//   },
//   "platformId": null,
//   "chargePermissionId": null,
//   "chargeId": null,
//   "constraints": [
//   ],
//   "creationTimestamp": "20191015T195655Z",
//   "expirationTimestamp": "20191016T195655Z",
//   "storeId": "amzn1.application-oa2-client.8b5e45312b5248b69eeaStoreId",
//   "deliverySpecifications": {
//     "specialRestrictions": [
//       "RestrictPOBoxes"
//     ],
//     "addressRestrictions": {
//       "type": "Allowed",
//       "restrictions": {
//         "US": {
//           "statesOrRegions": [
//             "WA"
//           ],
//           "zipCodes": [
//             "95050",
//             "93405"
//           ]
//         },
//         "GB": {
//           "zipCodes": [
//             "72046",
//             "72047"
//           ]
//         },
//         "IN": {
//           "statesOrRegions": [
//             "AP"
//           ]
//         },
//         "JP": {}
//       }
//     }
//   },
//   "providerMetadata": {
//     "providerReferenceId": null
//   },
//   "releaseEnvironment": "Sandbox"
// }

// 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_checkout_review_return_url = j_resp.string_of("webCheckoutDetails.checkoutReviewReturnUrl").unwrap_or_default();
let web_checkout_details_checkout_result_return_url = j_resp.string_of("webCheckoutDetails.checkoutResultReturnUrl").unwrap_or_default();
let web_checkout_details_checkout_cancel_url = j_resp.string_of("webCheckoutDetails.checkoutCancelUrl").unwrap_or_default();
let web_checkout_details_amazon_pay_redirect_url = j_resp.string_of("webCheckoutDetails.amazonPayRedirectUrl").unwrap_or_default();
let product_type = j_resp.string_of("productType").unwrap_or_default();
let payment_details_payment_intent = j_resp.string_of("paymentDetails.paymentIntent").unwrap_or_default();
let payment_details_can_handle_pending_authorization = j_resp.bool_of("paymentDetails.canHandlePendingAuthorization");
let payment_details_charge_amount_amount = j_resp.string_of("paymentDetails.chargeAmount.amount").unwrap_or_default();
let payment_details_charge_amount_currency_code = j_resp.string_of("paymentDetails.chargeAmount.currencyCode").unwrap_or_default();
let payment_details_total_order_amount = j_resp.string_of("paymentDetails.totalOrderAmount").unwrap_or_default();
let payment_details_soft_descriptor = j_resp.string_of("paymentDetails.softDescriptor").unwrap_or_default();
let payment_details_presentment_currency = j_resp.string_of("paymentDetails.presentmentCurrency").unwrap_or_default();
let payment_details_allow_overcharge = j_resp.string_of("paymentDetails.allowOvercharge").unwrap_or_default();
let payment_details_extend_expiration = j_resp.string_of("paymentDetails.extendExpiration").unwrap_or_default();
let merchant_metadata_merchant_reference_id = j_resp.string_of("merchantMetadata.merchantReferenceId").unwrap_or_default();
let merchant_metadata_merchant_store_name = j_resp.string_of("merchantMetadata.merchantStoreName").unwrap_or_default();
let merchant_metadata_note_to_buyer = j_resp.string_of("merchantMetadata.noteToBuyer").unwrap_or_default();
let merchant_metadata_custom_information = j_resp.string_of("merchantMetadata.customInformation").unwrap_or_default();
let supplementary_data = j_resp.string_of("supplementaryData").unwrap_or_default();
let buyer_buyer_id = j_resp.string_of("buyer.buyerId").unwrap_or_default();
let buyer_name = j_resp.string_of("buyer.name").unwrap_or_default();
let buyer_email = j_resp.string_of("buyer.email").unwrap_or_default();
let buyer_phone_number = j_resp.string_of("buyer.phoneNumber").unwrap_or_default();
let buyer_prime_membership_types = j_resp.string_of("buyer.primeMembershipTypes").unwrap_or_default();
let billing_address_name = j_resp.string_of("billingAddress.name").unwrap_or_default();
let billing_address_address_line1 = j_resp.string_of("billingAddress.addressLine1").unwrap_or_default();
let billing_address_address_line2 = j_resp.string_of("billingAddress.addressLine2").unwrap_or_default();
let billing_address_address_line3 = j_resp.string_of("billingAddress.addressLine3").unwrap_or_default();
let billing_address_city = j_resp.string_of("billingAddress.city").unwrap_or_default();
let billing_address_county = j_resp.string_of("billingAddress.county").unwrap_or_default();
let billing_address_district = j_resp.string_of("billingAddress.district").unwrap_or_default();
let billing_address_state_or_region = j_resp.string_of("billingAddress.stateOrRegion").unwrap_or_default();
let billing_address_postal_code = j_resp.string_of("billingAddress.postalCode").unwrap_or_default();
let billing_address_country_code = j_resp.string_of("billingAddress.countryCode").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_name = j_resp.string_of("shippingAddress.name").unwrap_or_default();
let shipping_address_address_line1 = j_resp.string_of("shippingAddress.addressLine1").unwrap_or_default();
let shipping_address_address_line2 = j_resp.string_of("shippingAddress.addressLine2").unwrap_or_default();
let shipping_address_address_line3 = j_resp.string_of("shippingAddress.addressLine3").unwrap_or_default();
let shipping_address_city = j_resp.string_of("shippingAddress.city").unwrap_or_default();
let shipping_address_county = j_resp.string_of("shippingAddress.county").unwrap_or_default();
let shipping_address_district = j_resp.string_of("shippingAddress.district").unwrap_or_default();
let shipping_address_state_or_region = j_resp.string_of("shippingAddress.stateOrRegion").unwrap_or_default();
let shipping_address_postal_code = j_resp.string_of("shippingAddress.postalCode").unwrap_or_default();
let shipping_address_country_code = j_resp.string_of("shippingAddress.countryCode").unwrap_or_default();
let shipping_address_phone_number = j_resp.string_of("shippingAddress.phoneNumber").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_address_restrictions_type = j_resp.string_of("deliverySpecifications.addressRestrictions.type").unwrap_or_default();
let provider_metadata_provider_reference_id = j_resp.string_of("providerMetadata.providerReferenceId").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.string_of("paymentPreferences[i].paymentDescriptor").unwrap_or_default();
    i = i + 1;
}

i = 0;
count_i = j_resp.size_of_array("constraints");
while i < count_i {
    j_resp.set_i(i);
    i = i + 1;
}

i = 0;
count_i = j_resp.size_of_array("deliverySpecifications.specialRestrictions");
while i < count_i {
    j_resp.set_i(i);
    let _ = j_resp.string_of("deliverySpecifications.specialRestrictions[i]").unwrap_or_default();
    i = i + 1;
}

i = 0;
count_i = j_resp.size_of_array("deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions");
while i < count_i {
    j_resp.set_i(i);
    let _ = j_resp.string_of("deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions[i]").unwrap_or_default();
    i = i + 1;
}

i = 0;
count_i = j_resp.size_of_array("deliverySpecifications.addressRestrictions.restrictions.US.zipCodes");
while i < count_i {
    j_resp.set_i(i);
    let _ = j_resp.string_of("deliverySpecifications.addressRestrictions.restrictions.US.zipCodes[i]").unwrap_or_default();
    i = i + 1;
}

i = 0;
count_i = j_resp.size_of_array("deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes");
while i < count_i {
    j_resp.set_i(i);
    let _ = j_resp.string_of("deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes[i]").unwrap_or_default();
    i = i + 1;
}

i = 0;
count_i = j_resp.size_of_array("deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions");
while i < count_i {
    j_resp.set_i(i);
    let _ = j_resp.string_of("deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions[i]").unwrap_or_default();
    i = i + 1;
}