Xbase++

Amazon Pay - Get Charge

See more Amazon Pay Examples

Get Charge details such as charge amount and authorization state. Use this operation to determine if authorization or capture was successful. Xbase++

LOCAL nSuccess
LOCAL oHttp
LOCAL oPrivKey
LOCAL cPublicKeyId
LOCAL nRespStatusCode
LOCAL oSbResponseBody
LOCAL oJResp
LOCAL cChargeId
LOCAL cChargePermissionId
LOCAL cChargeAmountAmount
LOCAL cChargeAmountCurrencyCode
LOCAL cCaptureAmountAmount
LOCAL cCaptureAmountCurrencyCode
LOCAL cRefundedAmountAmount
LOCAL cRefundedAmountCurrencyCode
LOCAL cConvertedAmount
LOCAL cConversionRate
LOCAL cSoftDescriptor
LOCAL cMerchantMetadata
LOCAL cProviderMetadataProviderReferenceId
LOCAL cStatusDetailsState
LOCAL cStatusDetailsReasonCode
LOCAL cStatusDetailsReasonDescription
LOCAL cStatusDetailsLastUpdatedTimestamp
LOCAL cCreationTimestamp
LOCAL cExpirationTimestamp
LOCAL cReleaseEnvironment

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/charges/:chargeId"
//   -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
//   -H "x-amz-pay-date:20201012T235046Z"
//   -X GET

//  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()
    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()
    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
//  Authorization

oHttp:Accept := "application/json"

nRespStatusCode := 0

oSbResponseBody := CreateObject("Chilkat.StringBuilder")
nSuccess := oHttp:SetUrlVar("chargeId", "P21-1111111-1111111")
//  To use the live system, replace "sandbox" with "live" in the URL passed to QuickGetSb.
//  Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
nSuccess := oHttp:QuickGetSb("https://pay-api.amazon.eu/sandbox/v2/charges/{$chargeId}", oSbResponseBody)
IF (nSuccess == 0)
    //  If the LastStatus is not equal to 0, then we received a response, but it was an error response.
    nRespStatusCode := oHttp:LastStatus
    IF (nRespStatusCode != 0)
        ? "Response Status Code = " + Str(nRespStatusCode)
        ? "Response body:"
        ? oHttp:LastResponseBody
    ELSE
        ? oHttp:LastErrorText
    ENDIF

    oHttp:destroy()
    oPrivKey:destroy()
    oSbResponseBody:destroy()
    RETURN
ENDIF

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

? "Response Body:"
? oJResp:Emit()

nRespStatusCode := oHttp:LastStatus
? "Response Status Code = " + Str(nRespStatusCode)
//  We expect a 200 status code for success.
//  Note: Some Amazon Pay API calls return 200 for success, others return 201.
IF (nRespStatusCode != 200)
    ? "Failed."
    oHttp:destroy()
    oPrivKey:destroy()
    oSbResponseBody:destroy()
    oJResp:destroy()
    RETURN
ENDIF

//  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": "Descriptor",
//       "merchantMetadata": null,
//       "providerMetadata": {
//           "providerReferenceId": null
//       },
//       "statusDetails":{
//           "state": "Captured",
//           "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

cChargeId := oJResp:StringOf("chargeId")
cChargePermissionId := oJResp:StringOf("chargePermissionId")
cChargeAmountAmount := oJResp:StringOf("chargeAmount.amount")
cChargeAmountCurrencyCode := oJResp:StringOf("chargeAmount.currencyCode")
cCaptureAmountAmount := oJResp:StringOf("captureAmount.amount")
cCaptureAmountCurrencyCode := oJResp:StringOf("captureAmount.currencyCode")
cRefundedAmountAmount := oJResp:StringOf("refundedAmount.amount")
cRefundedAmountCurrencyCode := oJResp:StringOf("refundedAmount.currencyCode")
cConvertedAmount := oJResp:StringOf("convertedAmount")
cConversionRate := oJResp:StringOf("conversionRate")
cSoftDescriptor := oJResp:StringOf("softDescriptor")
cMerchantMetadata := oJResp:StringOf("merchantMetadata")
cProviderMetadataProviderReferenceId := oJResp:StringOf("providerMetadata.providerReferenceId")
cStatusDetailsState := oJResp:StringOf("statusDetails.state")
cStatusDetailsReasonCode := oJResp:StringOf("statusDetails.reasonCode")
cStatusDetailsReasonDescription := oJResp:StringOf("statusDetails.reasonDescription")
cStatusDetailsLastUpdatedTimestamp := oJResp:StringOf("statusDetails.lastUpdatedTimestamp")
cCreationTimestamp := oJResp:StringOf("creationTimestamp")
cExpirationTimestamp := oJResp:StringOf("expirationTimestamp")
cReleaseEnvironment := oJResp:StringOf("releaseEnvironment")

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