Pascal (Lazarus/Delphi)

Shippo Create Transaction Object

See more Shippo Examples

Creates a Transaction object that represents a shipping label purchase and is based on the shipping rate. 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.HttpRequest,
  Chilkat.HttpResponse,
  Chilkat.StringBuilder,
  Chilkat.JsonObject;

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

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  req: THttpRequest;
  resp: THttpResponse;
  sbResponseBody: TStringBuilder;
  jResp: TJsonObject;
  respStatusCode: Integer;
  object_state: string;
  status: string;
  object_created: string;
  object_updated: string;
  object_id: string;
  object_owner: string;
  test: Boolean;
  rate: string;
  tracking_number: string;
  tracking_status: string;
  eta: string;
  tracking_url_provider: string;
  label_url: string;
  commercial_invoice_url: string;
  order: string;
  metadata: string;
  parcel: string;
  i: Integer;
  count_i: Integer;

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://api.goshippo.com/transactions \
  //      -H "Authorization: ShippoToken <API_TOKEN>" \
  //      -d rate="478fb066930e4e3195a3686f7ea5b612"
  //      -d label_file_type="PDF"
  //      -d async=false

  req := THttpRequest.Create;
  req.HttpVerb := 'POST';
  req.Path := '/transactions';
  req.ContentType := 'application/x-www-form-urlencoded';
  req.AddParam('rate','478fb066930e4e3195a3686f7ea5b612');
  req.AddParam('label_file_type','PDF');
  req.AddParam('async','false');

  req.AddHeader('Authorization','ShippoToken <API_TOKEN>');

  resp := THttpResponse.Create;
  success := http.HttpReq('https://api.goshippo.com/transactions',req,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;

  WriteLn('Response Body:');
  WriteLn(jResp.Emit());

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

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

  //  {
  //    "object_state": "VALID",
  //    "status": "SUCCESS",
  //    "object_created": "2019-06-28T18:04:08.679Z",
  //    "object_updated": "2019-06-28T18:04:10.516Z",
  //    "object_id": "6178e155da304f10aa4b4271fdca84fb",
  //    "object_owner": "admin@chilkatsoft.com",
  //    "test": true,
  //    "rate": "dd7556c284e8444294d2ab7099e662d2",
  //    "tracking_number": "92701902416755000000000015",
  //    "tracking_status": "UNKNOWN",
  //    "eta": null,
  //    "tracking_url_provider": "https://tools.usps.com/go/TrackConfirmAction_input?origTrackNum=92701902416755000000000015",
  //    "label_url": "https://shippo-delivery-east.s3.amazonaws.com/6178e155da304f10aa4b4271fdca84fb.pdf?Signature=1LU0Qf11nQJGei%2FeLZr%2BQ5EwJS4%3D&Expires=1593281050&AWSAccessKeyId=AKIAJGLCC5MYLLWIG42A",
  //    "commercial_invoice_url": null,
  //    "messages": [
  //    ],
  //    "order": null,
  //    "metadata": "",
  //    "parcel": "5af766ff15684a4186b0e3c833348fac",
  //    "billing": {
  //      "payments": [
  //      ]
  //    }
  //  }

  //  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_state := jResp.StringOf('object_state');
  status := jResp.StringOf('status');
  object_created := jResp.StringOf('object_created');
  object_updated := jResp.StringOf('object_updated');
  object_id := jResp.StringOf('object_id');
  object_owner := jResp.StringOf('object_owner');
  test := jResp.BoolOf('test');
  rate := jResp.StringOf('rate');
  tracking_number := jResp.StringOf('tracking_number');
  tracking_status := jResp.StringOf('tracking_status');
  eta := jResp.StringOf('eta');
  tracking_url_provider := jResp.StringOf('tracking_url_provider');
  label_url := jResp.StringOf('label_url');
  commercial_invoice_url := jResp.StringOf('commercial_invoice_url');
  order := jResp.StringOf('order');
  metadata := jResp.StringOf('metadata');
  parcel := jResp.StringOf('parcel');
  i := 0;
  count_i := jResp.SizeOfArray('messages');
  while i < count_i do
    begin
      jResp.I := i;
      i := i + 1;
    end;

  i := 0;
  count_i := jResp.SizeOfArray('billing.payments');
  while i < count_i do
    begin
      jResp.I := i;
      i := i + 1;
    end;



  http.Free;
  req.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.