PowerBuilder

Amazon Pay - Cancel Charge

See more Amazon Pay Examples

Moves Charge to Canceled state and releases any authorized payments. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Http
oleobject loo_Json
oleobject loo_SbRequestBody
oleobject loo_PrivKey
string ls_PublicKeyId
oleobject loo_Resp
oleobject loo_SbResponseBody
oleobject loo_JResp
integer li_RespStatusCode
string ls_ChargeId
string ls_ChargePermissionId
string ls_ChargeAmountAmount
string ls_ChargeAmountCurrencyCode
string ls_CaptureAmountAmount
string ls_CaptureAmountCurrencyCode
string ls_RefundedAmountAmount
string ls_RefundedAmountCurrencyCode
string ls_ConvertedAmount
string ls_ConversionRate
string ls_SoftDescriptor
string ls_MerchantMetadata
string ls_ProviderMetadataProviderReferenceId
string ls_StatusDetailsState
string ls_StatusDetailsReasonCode
string ls_StatusDetailsReasonDescription
string ls_StatusDetailsLastUpdatedTimestamp
string ls_CreationTimestamp
string ls_ExpirationTimestamp
string ls_ReleaseEnvironment

li_Success = 0

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

loo_Http = create oleobject
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")
if li_rc < 0 then
    destroy loo_Http
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Implements the following CURL command:

// curl "https://pay-api.amazon.com/:version/charges/:chargeId/cancel" \
// -X DELETE
// -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
// -H "x-amz-pay-date:20201012T235046Z"
// -d '{
//     "cancellationReason": "REASON DESCRIPTION"
// }'

// 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.

// {
//   "cancellationReason": "REASON DESCRIPTION"
// }

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.UpdateString("cancellationReason","REASON DESCRIPTION")

loo_SbRequestBody = create oleobject
li_rc = loo_SbRequestBody.ConnectToNewObject("Chilkat.StringBuilder")

loo_Json.EmitSb(loo_SbRequestBody)

// 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.
loo_PrivKey = create oleobject
li_rc = loo_PrivKey.ConnectToNewObject("Chilkat.PrivateKey")

li_Success = loo_PrivKey.LoadPemFile("C:/someDir/myAmazonPayPrivateKey.pem")
if li_Success = 0 then
    Write-Debug loo_PrivKey.LastErrorText
    destroy loo_Http
    destroy loo_Json
    destroy loo_SbRequestBody
    destroy loo_PrivKey
    return
end if

// 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.
ls_PublicKeyId = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW"
li_Success = loo_Http.SetAuthPrivateKey(ls_PublicKeyId,loo_PrivKey)
if li_Success = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_Json
    destroy loo_SbRequestBody
    destroy loo_PrivKey
    return
end if

// 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

loo_Http.Accept = "application/json"

// Use the actual chargeId here:
li_Success = loo_Http.SetUrlVar("chargeId","bd504926-f659-4ad7-a1a9-9a747aaf5275")
// 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
loo_Resp = create oleobject
li_rc = loo_Resp.ConnectToNewObject("Chilkat.HttpResponse")

li_Success = loo_Http.HttpSb("DELETE","https://pay-api.amazon.eu/sandbox/v2/charges/{$chargeId}/cancel",loo_SbRequestBody,"utf-8","application/json",loo_Resp)
if li_Success = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_Json
    destroy loo_SbRequestBody
    destroy loo_PrivKey
    destroy loo_Resp
    return
end if

loo_SbResponseBody = create oleobject
li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat.StringBuilder")

loo_Resp.GetBodySb(loo_SbResponseBody)
loo_JResp = create oleobject
li_rc = loo_JResp.ConnectToNewObject("Chilkat.JsonObject")

loo_JResp.LoadSb(loo_SbResponseBody)
loo_JResp.EmitCompact = 0

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

li_RespStatusCode = loo_Resp.StatusCode
Write-Debug "Response Status Code = " + string(li_RespStatusCode)
if li_RespStatusCode <> 200 then
    Write-Debug "Failed."
    destroy loo_Http
    destroy loo_Json
    destroy loo_SbRequestBody
    destroy loo_PrivKey
    destroy loo_Resp
    destroy loo_SbResponseBody
    destroy loo_JResp
    return
end if

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

// {
//   "chargeId": "P21-1111111-1111111-C111111",
//   "chargePermissionId": "P21-1111111-1111111",
//   "chargeAmount": {
//     "amount": "14.00",
//     "currencyCode": "USD"
//   },
//   "captureAmount": {
//     "amount": "14.00",
//     "currencyCode": "USD"
//   },
//   "refundedAmount": {
//     "amount": "0.00",
//     "currencyCode": "USD"
//   },
//   "convertedAmount": "14.00",
//   "conversionRate": "1.00",
//   "softDescriptor": "SOFT DESCRIPTOR",
//   "merchantMetadata": null,
//   "providerMetadata": {
//     "providerReferenceId": null
//   },
//   "statusDetails": {
//     "state": "Canceled",
//     "reasonCode": null,
//     "reasonDescription": null,
//     "lastUpdatedTimestamp": "20190714T155300Z"
//   },
//   "creationTimestamp": "20190714T155300Z",
//   "expirationTimestamp": "20190715T155300Z",
//   "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

ls_ChargeId = loo_JResp.StringOf("chargeId")
ls_ChargePermissionId = loo_JResp.StringOf("chargePermissionId")
ls_ChargeAmountAmount = loo_JResp.StringOf("chargeAmount.amount")
ls_ChargeAmountCurrencyCode = loo_JResp.StringOf("chargeAmount.currencyCode")
ls_CaptureAmountAmount = loo_JResp.StringOf("captureAmount.amount")
ls_CaptureAmountCurrencyCode = loo_JResp.StringOf("captureAmount.currencyCode")
ls_RefundedAmountAmount = loo_JResp.StringOf("refundedAmount.amount")
ls_RefundedAmountCurrencyCode = loo_JResp.StringOf("refundedAmount.currencyCode")
ls_ConvertedAmount = loo_JResp.StringOf("convertedAmount")
ls_ConversionRate = loo_JResp.StringOf("conversionRate")
ls_SoftDescriptor = loo_JResp.StringOf("softDescriptor")
ls_MerchantMetadata = loo_JResp.StringOf("merchantMetadata")
ls_ProviderMetadataProviderReferenceId = loo_JResp.StringOf("providerMetadata.providerReferenceId")
ls_StatusDetailsState = loo_JResp.StringOf("statusDetails.state")
ls_StatusDetailsReasonCode = loo_JResp.StringOf("statusDetails.reasonCode")
ls_StatusDetailsReasonDescription = loo_JResp.StringOf("statusDetails.reasonDescription")
ls_StatusDetailsLastUpdatedTimestamp = loo_JResp.StringOf("statusDetails.lastUpdatedTimestamp")
ls_CreationTimestamp = loo_JResp.StringOf("creationTimestamp")
ls_ExpirationTimestamp = loo_JResp.StringOf("expirationTimestamp")
ls_ReleaseEnvironment = loo_JResp.StringOf("releaseEnvironment")


destroy loo_Http
destroy loo_Json
destroy loo_SbRequestBody
destroy loo_PrivKey
destroy loo_Resp
destroy loo_SbResponseBody
destroy loo_JResp