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Xbase++

Amazon Pay - Complete Checkout Session

See more Amazon Pay Examples

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

Chilkat Xbase++ Downloads

Xbase++
LOCAL nSuccess
LOCAL oHttp
LOCAL oJson
LOCAL oPrivKey
LOCAL cPublicKeyId
LOCAL oResp
LOCAL oSbResponseBody
LOCAL oJResp
LOCAL nRespStatusCode
LOCAL nNullVal
LOCAL cCheckoutSessionId
LOCAL cWebCheckoutDetails
LOCAL cChargePermissionType
LOCAL cRecurringMetadata
LOCAL cProductType
LOCAL cPaymentDetails
LOCAL cMerchantMetadata
LOCAL cSupplementaryData
LOCAL cBuyer
LOCAL cBillingAddress
LOCAL cStatusDetailsState
LOCAL cStatusDetailsReasonCode
LOCAL cStatusDetailsReasonDescription
LOCAL cStatusDetailsLastUpdatedTimestamp
LOCAL cShippingAddress
LOCAL cPlatformId
LOCAL cChargePermissionId
LOCAL cChargeId
LOCAL cCreationTimestamp
LOCAL cExpirationTimestamp
LOCAL cStoreId
LOCAL cDeliverySpecifications
LOCAL cProviderMetadata
LOCAL cReleaseEnvironment
LOCAL i
LOCAL nCount_i

nSuccess := 0

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

oHttp := CreateObject("Chilkat.Http")

//  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"
//    }
//  }

oJson := CreateObject("Chilkat.JsonObject")
oJson:UpdateString("chargeAmount.amount", "14.00")
oJson:UpdateString("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.
oPrivKey := CreateObject("Chilkat.PrivateKey")
nSuccess := oPrivKey:LoadPemFile("C:/someDir/myAmazonPayPrivateKey.pem")
IF (nSuccess == 0)
    ? oPrivKey:LastErrorText
    oHttp:destroy()
    oJson:destroy()
    oPrivKey:destroy()
    RETURN
ENDIF

//  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
cPublicKeyId := "SANDBOX-AHEGSJCM3L2S637RBGABLAFW"
nSuccess := oHttp:SetAuthPrivateKey(cPublicKeyId, oPrivKey)
IF (nSuccess == 0)
    ? oHttp:LastErrorText
    oHttp:destroy()
    oJson:destroy()
    oPrivKey:destroy()
    RETURN
ENDIF

//  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

oHttp: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
nSuccess := oHttp:SetUrlVar("sessionId", "62b7d028-6c7c-4a43-b077-3897dff27c5b")
oResp := CreateObject("Chilkat.HttpResponse")
nSuccess := oHttp:HttpJson("POST", "https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}/complete", oJson, "application/json", oResp)
IF (nSuccess == 0)
    ? oHttp:LastErrorText
    oHttp:destroy()
    oJson:destroy()
    oPrivKey:destroy()
    oResp:destroy()
    RETURN
ENDIF

oSbResponseBody := CreateObject("Chilkat.StringBuilder")
oResp:GetBodySb(oSbResponseBody)
oJResp := CreateObject("Chilkat.JsonObject")
oJResp:LoadSb(oSbResponseBody)
oJResp:EmitCompact := 0

//  If the status code is not equal to 200, this will display error information.
? "Response Body:"
? oJResp:Emit()

nRespStatusCode := oResp:StatusCode
? "Response Status Code = " + Str(nRespStatusCode)
IF (nRespStatusCode != 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"
    //  	}

    ? "Failed."
    oHttp:destroy()
    oJson:destroy()
    oPrivKey:destroy()
    oResp:destroy()
    oSbResponseBody:destroy()
    oJResp:destroy()
    RETURN
ENDIF

//  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

cCheckoutSessionId := oJResp:StringOf("checkoutSessionId")
cWebCheckoutDetails := oJResp:StringOf("webCheckoutDetails")
cChargePermissionType := oJResp:StringOf("chargePermissionType")
cRecurringMetadata := oJResp:StringOf("recurringMetadata")
cProductType := oJResp:StringOf("productType")
cPaymentDetails := oJResp:StringOf("paymentDetails")
cMerchantMetadata := oJResp:StringOf("merchantMetadata")
cSupplementaryData := oJResp:StringOf("supplementaryData")
cBuyer := oJResp:StringOf("buyer")
cBillingAddress := oJResp:StringOf("billingAddress")
cStatusDetailsState := oJResp:StringOf("statusDetails.state")
cStatusDetailsReasonCode := oJResp:StringOf("statusDetails.reasonCode")
cStatusDetailsReasonDescription := oJResp:StringOf("statusDetails.reasonDescription")
cStatusDetailsLastUpdatedTimestamp := oJResp:StringOf("statusDetails.lastUpdatedTimestamp")
cShippingAddress := oJResp:StringOf("shippingAddress")
cPlatformId := oJResp:StringOf("platformId")
cChargePermissionId := oJResp:StringOf("chargePermissionId")
cChargeId := oJResp:StringOf("chargeId")
cCreationTimestamp := oJResp:StringOf("creationTimestamp")
cExpirationTimestamp := oJResp:StringOf("expirationTimestamp")
cStoreId := oJResp:StringOf("storeId")
cDeliverySpecifications := oJResp:StringOf("deliverySpecifications")
cProviderMetadata := oJResp:StringOf("providerMetadata")
cReleaseEnvironment := oJResp:StringOf("releaseEnvironment")
i := 0
nCount_i := oJResp:SizeOfArray("paymentPreferences")
DO WHILE i < nCount_i
    oJResp:I := i
    nNullVal := oJResp:IsNullOf("paymentPreferences[i]")
    i := i + 1
ENDDO
i := 0
nCount_i := oJResp:SizeOfArray("constraints")
DO WHILE i < nCount_i
    oJResp:I := i
    nNullVal := oJResp:IsNullOf("constraints[i]")
    i := i + 1
ENDDO

oHttp:destroy()
oJson:destroy()
oPrivKey:destroy()
oResp:destroy()
oSbResponseBody:destroy()
oJResp:destroy()