Pascal (Lazarus/Delphi)
Pascal (Lazarus/Delphi)
Amazon Pay - Create Charge
See more Amazon Pay Examples
Creates a Charge to authorize payment, if you have a Charge Permission in a Chargeable state. You can optionally capture payment immediately by setting captureNow to true. You can create up to 25 Charges per one-time Charge Permission.Chilkat Pascal (Lazarus/Delphi) Downloads
program ChilkatDemo;
// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.
{$IFDEF FPC}
{$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}
uses
{$IFDEF UNIX}
cthreads,
{$ENDIF}
SysUtils,
CkDllLoader,
Chilkat.Http,
Chilkat.StringBuilder,
Chilkat.PrivateKey,
Chilkat.HttpResponse,
Chilkat.JsonObject;
// ---------------------------------------------------------------------------
procedure RunDemo;
var
success: Boolean;
http: THttp;
json: TJsonObject;
privKey: TPrivateKey;
publicKeyId: string;
resp: THttpResponse;
sbResponseBody: TStringBuilder;
jResp: TJsonObject;
respStatusCode: Integer;
chargeId: string;
chargePermissionId: string;
chargeAmountAmount: string;
chargeAmountCurrencyCode: string;
captureAmountAmount: string;
captureAmountCurrencyCode: string;
refundedAmountAmount: string;
refundedAmountCurrencyCode: string;
convertedAmount: string;
conversionRate: string;
softDescriptor: string;
merchantMetadata: string;
providerMetadataProviderReferenceId: string;
statusDetailsState: string;
statusDetailsReasonCode: string;
statusDetailsReasonDescription: string;
statusDetailsLastUpdatedTimestamp: string;
creationTimestamp: string;
expirationTimestamp: string;
releaseEnvironment: string;
begin
success := False;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http := THttp.Create;
// Implements the following CURL command:
// curl "https://pay-api.amazon.com/:version/charges/" \
// -X POST
// -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
// -H "x-amz-pay-date:20201012T235046Z"
// -H "x-amz-pay-idempotency-key:AVLo5tI10BHgEk2jEXAMPLEKEY"
// -d '{
// "chargePermissionId": "P21-1111111-1111111",
// "chargeAmount": {
// "amount": "14.00",
// "currencyCode": "USD"
// },
// "captureNow": true, // default is false
// "softDescriptor": "Descriptor",
// "canHandlePendingAuthorization": false //default is false
// }'
// 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.
// {
// "chargePermissionId": "P21-1111111-1111111",
// "chargeAmount": {
// "amount": "14.00",
// "currencyCode": "USD"
// },
// "captureNow": true, // default is false
// "softDescriptor": "Descriptor",
// "canHandlePendingAuthorization": false //default is false
// }
json := TJsonObject.Create;
json.UpdateString('chargePermissionId','P21-1111111-1111111');
json.UpdateString('chargeAmount.amount','14.00');
json.UpdateString('chargeAmount.currencyCode','USD');
json.UpdateBool('captureNow',True);
json.UpdateString('softDescriptor','Descriptor');
json.UpdateBool('canHandlePendingAuthorization',False);
// 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.
privKey := TPrivateKey.Create;
success := privKey.LoadPemFile('C:/someDir/myAmazonPayPrivateKey.pem');
if (success = False) then
begin
WriteLn(privKey.LastErrorText);
Exit;
end;
// 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
publicKeyId := 'SANDBOX-AHEGSJCM3L2S637RBGABLAFW';
success := http.SetAuthPrivateKey(publicKeyId,privKey);
if (success = False) then
begin
WriteLn(http.LastErrorText);
Exit;
end;
// 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
resp := THttpResponse.Create;
success := http.HttpJson('POST','https://pay-api.amazon.eu/sandbox/v2/charges/',json,'application/json',resp);
if (success = False) then
begin
WriteLn(http.LastErrorText);
Exit;
end;
sbResponseBody := TStringBuilder.Create;
resp.GetBodySb(sbResponseBody);
jResp := TJsonObject.Create;
jResp.LoadSb(sbResponseBody);
jResp.EmitCompact := False;
// If the status code is not equal to 201, this will display error information.
WriteLn('Response Body:');
WriteLn(jResp.Emit());
respStatusCode := resp.StatusCode;
WriteLn('Response Status Code = ' + respStatusCode);
if (respStatusCode <> 201) then
begin
WriteLn('Failed.');
Exit;
end;
// 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
chargeId := jResp.StringOf('chargeId');
chargePermissionId := jResp.StringOf('chargePermissionId');
chargeAmountAmount := jResp.StringOf('chargeAmount.amount');
chargeAmountCurrencyCode := jResp.StringOf('chargeAmount.currencyCode');
captureAmountAmount := jResp.StringOf('captureAmount.amount');
captureAmountCurrencyCode := jResp.StringOf('captureAmount.currencyCode');
refundedAmountAmount := jResp.StringOf('refundedAmount.amount');
refundedAmountCurrencyCode := jResp.StringOf('refundedAmount.currencyCode');
convertedAmount := jResp.StringOf('convertedAmount');
conversionRate := jResp.StringOf('conversionRate');
softDescriptor := jResp.StringOf('softDescriptor');
merchantMetadata := jResp.StringOf('merchantMetadata');
providerMetadataProviderReferenceId := jResp.StringOf('providerMetadata.providerReferenceId');
statusDetailsState := jResp.StringOf('statusDetails.state');
statusDetailsReasonCode := jResp.StringOf('statusDetails.reasonCode');
statusDetailsReasonDescription := jResp.StringOf('statusDetails.reasonDescription');
statusDetailsLastUpdatedTimestamp := jResp.StringOf('statusDetails.lastUpdatedTimestamp');
creationTimestamp := jResp.StringOf('creationTimestamp');
expirationTimestamp := jResp.StringOf('expirationTimestamp');
releaseEnvironment := jResp.StringOf('releaseEnvironment');
http.Free;
json.Free;
privKey.Free;
resp.Free;
sbResponseBody.Free;
jResp.Free;
end;
// ---------------------------------------------------------------------------
begin
try
RunDemo;
except
on E: Exception do
WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
end;
WriteLn;
{$IFDEF MSWINDOWS}
WriteLn('Press Enter to exit...');
ReadLn;
{$ENDIF}
end.