Pascal (Lazarus/Delphi)

Adyen Create Payment Session

See more Adyen Examples

Creates an Adyen payment session. Pascal (Lazarus/Delphi)

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.HttpResponse,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  json: TJsonObject;
  resp: THttpResponse;
  sbResponseBody: TStringBuilder;
  jResp: TJsonObject;
  respStatusCode: Integer;
  paymentSession: string;

begin
  success := False;

  http := THttp.Create;

  //  Use this online tool to generate the code from sample JSON:
  //  Generate Code to Create JSON

  //  The following JSON is sent in the request body, and is constructed by the code that follows.

  //  {
  //    "merchantAccount": "YourMerchantAccount",
  //    "sdkVersion": "1.9.7",
  //    "channel": "Web",
  //    "amount": {
  //      "currency": "EUR",
  //      "value": 17408
  //    },
  //    "reference": "Your order number",
  //    "countryCode": "NL",
  //    "shopperLocale": "nl_NL",
  //    "origin": "https://www.yourshop.com",
  //    "returnUrl": "https://www.yourshop.com/checkout/completed"
  //  }
  json := TJsonObject.Create;
  json.UpdateString('merchantAccount','YourMerchantAccount');
  json.UpdateString('sdkVersion','1.9.7');
  json.UpdateString('channel','Web');
  json.UpdateString('amount.currency','EUR');
  json.UpdateInt('amount.value',17408);
  json.UpdateString('reference','Your order number');
  json.UpdateString('countryCode','NL');
  json.UpdateString('shopperLocale','nl_NL');
  json.UpdateString('origin','https://www.yourshop.com');
  json.UpdateString('returnUrl','https://www.yourshop.com/checkout/completed');

  http.SetRequestHeader('X-API-Key','YourAPIkey');

  resp := THttpResponse.Create;
  success := http.HttpJson('POST','https://checkout-test.adyen.com/v41/paymentSession',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;

  respStatusCode := resp.StatusCode;
  WriteLn('Status Code = ' + respStatusCode);
  WriteLn('Response Body:');
  WriteLn(jResp.Emit());

  if (respStatusCode >= 400) then
    begin
      WriteLn('Response Header:');
      WriteLn(resp.Header);
      WriteLn('Failed.');
      Exit;
    end;

  //  Sample JSON response:

  //  {
  //    "paymentSession": "eyJjaGVja291 ... iMS45LjcifQ=="
  //  }

  //  Sample code for parsing the JSON response...
  //  Use the following online tool to generate parsing code from sample JSON:
  //  Generate Parsing Code from JSON

  paymentSession := jResp.StringOf('paymentSession');


  http.Free;
  json.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.