Zig
Zig
Amazon Pay - Update Checkout Session
See more Amazon Pay Examples
Update the Checkout Session with transaction details.Chilkat Zig Downloads
const std = @import("std");
const chilkat = @import("chilkat");
pub fn main(init: std.process.Init) !void {
const alloc = init.arena.allocator();
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
const http = try chilkat.Http.init();
defer http.deinit();
// 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"
// }
// }
const json = try chilkat.JsonObject.init();
defer json.deinit();
json.updateString("webCheckoutDetails.checkoutResultReturnUrl", "https://a.com/merchant-confirm-page") catch {};
json.updateString("paymentDetails.paymentIntent", "AuthorizeWithCapture") catch {};
json.updateBool("paymentDetails.canHandlePendingAuthorization", false) catch {};
json.updateString("paymentDetails.softDescriptor", "Descriptor") catch {};
json.updateString("paymentDetails.chargeAmount.amount", "1") catch {};
json.updateString("paymentDetails.chargeAmount.currencyCode", "USD") catch {};
json.updateString("merchantMetadata.merchantReferenceId", "Merchant reference ID") catch {};
json.updateString("merchantMetadata.merchantStoreName", "Merchant store name") catch {};
json.updateString("merchantMetadata.noteToBuyer", "Note to buyer") catch {};
json.updateString("merchantMetadata.customInformation", "Custom information") catch {};
const sb_request_body = try chilkat.StringBuilder.init();
defer sb_request_body.deinit();
json.emitSb(sb_request_body) catch {};
// 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.
const priv_key = try chilkat.PrivateKey.init();
defer priv_key.deinit();
priv_key.loadPemFile("C:/someDir/myAmazonPayPrivateKey.pem") catch {
std.debug.print("{s}\n", .{try priv_key.getLastErrorText(alloc)});
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 public_key_id = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
http.setAuthPrivateKey(public_key_id, priv_key) catch {
std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
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.setAccept("application/json");
try http.setUrlVar("sessionId", "62b7d028-6c7c-4a43-b077-3897dff27c5b");
// 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
const resp = try chilkat.HttpResponse.init();
defer resp.deinit();
http.httpSb("PATCH", "https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}", sb_request_body, "utf-8", "application/json", resp) catch {
std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
return;
};
const sb_response_body = try chilkat.StringBuilder.init();
defer sb_response_body.deinit();
resp.getBodySb(sb_response_body) catch {};
const j_resp = try chilkat.JsonObject.init();
defer j_resp.deinit();
j_resp.loadSb(sb_response_body) catch {};
j_resp.setEmitCompact(false);
// If the status code is not equal to 200, this will display error information.
std.debug.print("Response Body:\n", .{});
std.debug.print("{s}\n", .{try j_resp.emit(alloc)});
const resp_status_code = resp.getStatusCode();
std.debug.print("Response Status Code = {d}\n", .{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'"
// }
std.debug.print("Failed.\n", .{});
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
var payment_descriptor: [:0]const u8 = "";
var str_val: [:0]const u8 = "";
_ = try j_resp.stringOf(alloc, "checkoutSessionId");
_ = try j_resp.stringOf(alloc, "webCheckoutDetails.checkoutReviewReturnUrl");
_ = try j_resp.stringOf(alloc, "webCheckoutDetails.checkoutResultReturnUrl");
_ = try j_resp.stringOf(alloc, "webCheckoutDetails.checkoutCancelUrl");
_ = try j_resp.stringOf(alloc, "webCheckoutDetails.amazonPayRedirectUrl");
_ = try j_resp.stringOf(alloc, "productType");
_ = try j_resp.stringOf(alloc, "paymentDetails.paymentIntent");
_ = j_resp.boolOf("paymentDetails.canHandlePendingAuthorization");
_ = try j_resp.stringOf(alloc, "paymentDetails.chargeAmount.amount");
_ = try j_resp.stringOf(alloc, "paymentDetails.chargeAmount.currencyCode");
_ = try j_resp.stringOf(alloc, "paymentDetails.totalOrderAmount");
_ = try j_resp.stringOf(alloc, "paymentDetails.softDescriptor");
_ = try j_resp.stringOf(alloc, "paymentDetails.presentmentCurrency");
_ = try j_resp.stringOf(alloc, "paymentDetails.allowOvercharge");
_ = try j_resp.stringOf(alloc, "paymentDetails.extendExpiration");
_ = try j_resp.stringOf(alloc, "merchantMetadata.merchantReferenceId");
_ = try j_resp.stringOf(alloc, "merchantMetadata.merchantStoreName");
_ = try j_resp.stringOf(alloc, "merchantMetadata.noteToBuyer");
_ = try j_resp.stringOf(alloc, "merchantMetadata.customInformation");
_ = try j_resp.stringOf(alloc, "supplementaryData");
_ = try j_resp.stringOf(alloc, "buyer.buyerId");
_ = try j_resp.stringOf(alloc, "buyer.name");
_ = try j_resp.stringOf(alloc, "buyer.email");
_ = try j_resp.stringOf(alloc, "buyer.phoneNumber");
_ = try j_resp.stringOf(alloc, "buyer.primeMembershipTypes");
_ = try j_resp.stringOf(alloc, "billingAddress.name");
_ = try j_resp.stringOf(alloc, "billingAddress.addressLine1");
_ = try j_resp.stringOf(alloc, "billingAddress.addressLine2");
_ = try j_resp.stringOf(alloc, "billingAddress.addressLine3");
_ = try j_resp.stringOf(alloc, "billingAddress.city");
_ = try j_resp.stringOf(alloc, "billingAddress.county");
_ = try j_resp.stringOf(alloc, "billingAddress.district");
_ = try j_resp.stringOf(alloc, "billingAddress.stateOrRegion");
_ = try j_resp.stringOf(alloc, "billingAddress.postalCode");
_ = try j_resp.stringOf(alloc, "billingAddress.countryCode");
_ = try j_resp.stringOf(alloc, "statusDetails.state");
_ = try j_resp.stringOf(alloc, "statusDetails.reasonCode");
_ = try j_resp.stringOf(alloc, "statusDetails.reasonDescription");
_ = try j_resp.stringOf(alloc, "statusDetails.lastUpdatedTimestamp");
_ = try j_resp.stringOf(alloc, "shippingAddress.name");
_ = try j_resp.stringOf(alloc, "shippingAddress.addressLine1");
_ = try j_resp.stringOf(alloc, "shippingAddress.addressLine2");
_ = try j_resp.stringOf(alloc, "shippingAddress.addressLine3");
_ = try j_resp.stringOf(alloc, "shippingAddress.city");
_ = try j_resp.stringOf(alloc, "shippingAddress.county");
_ = try j_resp.stringOf(alloc, "shippingAddress.district");
_ = try j_resp.stringOf(alloc, "shippingAddress.stateOrRegion");
_ = try j_resp.stringOf(alloc, "shippingAddress.postalCode");
_ = try j_resp.stringOf(alloc, "shippingAddress.countryCode");
_ = try j_resp.stringOf(alloc, "shippingAddress.phoneNumber");
_ = try j_resp.stringOf(alloc, "platformId");
_ = try j_resp.stringOf(alloc, "chargePermissionId");
_ = try j_resp.stringOf(alloc, "chargeId");
_ = try j_resp.stringOf(alloc, "creationTimestamp");
_ = try j_resp.stringOf(alloc, "expirationTimestamp");
_ = try j_resp.stringOf(alloc, "storeId");
_ = try j_resp.stringOf(alloc, "deliverySpecifications.addressRestrictions.type");
_ = try j_resp.stringOf(alloc, "providerMetadata.providerReferenceId");
_ = try j_resp.stringOf(alloc, "releaseEnvironment");
var i: i32 = 0;
var count_i: i32 = j_resp.sizeOfArray("paymentPreferences");
while (i < count_i) {
j_resp.setI(i);
payment_descriptor = try j_resp.stringOf(alloc, "paymentPreferences[i].paymentDescriptor");
i = i + 1;
}
i = 0;
count_i = j_resp.sizeOfArray("constraints");
while (i < count_i) {
j_resp.setI(i);
i = i + 1;
}
i = 0;
count_i = j_resp.sizeOfArray("deliverySpecifications.specialRestrictions");
while (i < count_i) {
j_resp.setI(i);
str_val = try j_resp.stringOf(alloc, "deliverySpecifications.specialRestrictions[i]");
i = i + 1;
}
i = 0;
count_i = j_resp.sizeOfArray("deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions");
while (i < count_i) {
j_resp.setI(i);
str_val = try j_resp.stringOf(alloc, "deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions[i]");
i = i + 1;
}
i = 0;
count_i = j_resp.sizeOfArray("deliverySpecifications.addressRestrictions.restrictions.US.zipCodes");
while (i < count_i) {
j_resp.setI(i);
str_val = try j_resp.stringOf(alloc, "deliverySpecifications.addressRestrictions.restrictions.US.zipCodes[i]");
i = i + 1;
}
i = 0;
count_i = j_resp.sizeOfArray("deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes");
while (i < count_i) {
j_resp.setI(i);
str_val = try j_resp.stringOf(alloc, "deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes[i]");
i = i + 1;
}
i = 0;
count_i = j_resp.sizeOfArray("deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions");
while (i < count_i) {
j_resp.setI(i);
str_val = try j_resp.stringOf(alloc, "deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions[i]");
i = i + 1;
}
}