Swift
Swift
Amazon Pay - Complete Checkout Session
See more Amazon Pay Examples
Complete Checkout Session after the buyer returns to checkoutResultReturnUrl to finalize the paymentIntent.Chilkat Swift Downloads
func chilkatTest() {
var success: Bool = false
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
let http = CkoHttp()!
// 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 = CkoJsonObject()!
json.updateString(jsonPath: "chargeAmount.amount", value: "14.00")
json.updateString(jsonPath: "chargeAmount.currencyCode", value: "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 privKey = CkoPrivateKey()!
success = privKey.loadPemFile(path: "C:/someDir/myAmazonPayPrivateKey.pem")
if success == false {
print("\(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
var publicKeyId: String? = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW"
success = http.setAuthPrivateKey(publicKeyId: publicKeyId, privKey: privKey)
if success == false {
print("\(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
success = http.setUrlVar(name: "sessionId", value: "62b7d028-6c7c-4a43-b077-3897dff27c5b")
let resp = CkoHttpResponse()!
success = http.httpJson(verb: "POST", url: "https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}/complete", json: json, contentType: "application/json", response: resp)
if success == false {
print("\(http.lastErrorText!)")
return
}
let sbResponseBody = CkoStringBuilder()!
resp.getBodySb(sb: sbResponseBody)
let jResp = CkoJsonObject()!
jResp.loadSb(sb: sbResponseBody)
jResp.emitCompact = false
// If the status code is not equal to 200, this will display error information.
print("Response Body:")
print("\(jResp.emit()!)")
var respStatusCode: Int = resp.statusCode.intValue
print("Response Status Code = \(respStatusCode)")
if respStatusCode != 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"
// }
print("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
var nullVal: Bool
var checkoutSessionId: String? = jResp.string(of: "checkoutSessionId")
var webCheckoutDetails: String? = jResp.string(of: "webCheckoutDetails")
var chargePermissionType: String? = jResp.string(of: "chargePermissionType")
var recurringMetadata: String? = jResp.string(of: "recurringMetadata")
var productType: String? = jResp.string(of: "productType")
var paymentDetails: String? = jResp.string(of: "paymentDetails")
var merchantMetadata: String? = jResp.string(of: "merchantMetadata")
var supplementaryData: String? = jResp.string(of: "supplementaryData")
var buyer: String? = jResp.string(of: "buyer")
var billingAddress: String? = jResp.string(of: "billingAddress")
var statusDetailsState: String? = jResp.string(of: "statusDetails.state")
var statusDetailsReasonCode: String? = jResp.string(of: "statusDetails.reasonCode")
var statusDetailsReasonDescription: String? = jResp.string(of: "statusDetails.reasonDescription")
var statusDetailsLastUpdatedTimestamp: String? = jResp.string(of: "statusDetails.lastUpdatedTimestamp")
var shippingAddress: String? = jResp.string(of: "shippingAddress")
var platformId: String? = jResp.string(of: "platformId")
var chargePermissionId: String? = jResp.string(of: "chargePermissionId")
var chargeId: String? = jResp.string(of: "chargeId")
var creationTimestamp: String? = jResp.string(of: "creationTimestamp")
var expirationTimestamp: String? = jResp.string(of: "expirationTimestamp")
var storeId: String? = jResp.string(of: "storeId")
var deliverySpecifications: String? = jResp.string(of: "deliverySpecifications")
var providerMetadata: String? = jResp.string(of: "providerMetadata")
var releaseEnvironment: String? = jResp.string(of: "releaseEnvironment")
var i: Int = 0
var count_i: Int = jResp.size(ofArray: "paymentPreferences").intValue
while i < count_i {
jResp.i = i
nullVal = jResp.isNull(of: "paymentPreferences[i]")
i = i + 1
}
i = 0
count_i = jResp.size(ofArray: "constraints").intValue
while i < count_i {
jResp.i = i
nullVal = jResp.isNull(of: "constraints[i]")
i = i + 1
}
}