(Delphi DLL) Shippo Create a Refund

Demonstrates how to refund a shipping label.

For more information, see https://goshippo.com/docs/refunds/

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, HttpRequest, HttpResponse, StringBuilder, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
success: Boolean;
req: HCkHttpRequest;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
object_created: PWideChar;
object_id: PWideChar;
object_owner: PWideChar;
object_updated: PWideChar;
status: PWideChar;
transaction: PWideChar;

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

http := CkHttp_Create();

// Implements the following CURL command:

// curl  https://api.goshippo.com/refunds/ \
//     -H "Authorization: ShippoToken <API_Token>" \
//     -d transaction="4503427478ea45a899e9b54abc4c5803"

req := CkHttpRequest_Create();
CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putPath(req,'/refunds/');
CkHttpRequest_putContentType(req,'application/x-www-form-urlencoded');
CkHttpRequest_AddParam(req,'transaction','4503427478ea45a899e9b54abc4c5803');

CkHttpRequest_AddHeader(req,'Authorization','ShippoToken <API_Token>');

resp := CkHttp_PostUrlEncoded(http,'https://api.goshippo.com/refunds/',req);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);
jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    Memo1.Lines.Add('Failed.');
    CkHttpResponse_Dispose(resp);
    Exit;
  end;
CkHttpResponse_Dispose(resp);

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

// {
//   "object_created": "2014-04-21T07:12:41.044Z",
//   "object_id": "bd7b8379a2e847bcb0818125943dde5d",
//   "object_owner": "shippotle@goshippo.com",
//   "object_updated": "2014-04-21T07:12:41.045Z",
//   "status": "QUEUED",
//   "transaction": "35ed59f23a514ecfa2faeaed93a00086"
// }

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

object_created := CkJsonObject__stringOf(jResp,'object_created');
object_id := CkJsonObject__stringOf(jResp,'object_id');
object_owner := CkJsonObject__stringOf(jResp,'object_owner');
object_updated := CkJsonObject__stringOf(jResp,'object_updated');
status := CkJsonObject__stringOf(jResp,'status');
transaction := CkJsonObject__stringOf(jResp,'transaction');

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;