Delphi DLL

Dropbox: Get Space Usage

See more Dropbox Examples

Demonstrates how to get the Dropbox space usage information for the current user's account. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Rest, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
rest: HCkRest;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
responseStr: PWideChar;
jsonResponse: HCkJsonObject;

begin
success := False;

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

rest := CkRest_Create();

// Connect to the www.dropbox.com endpoint.
bTls := True;
port := 443;
bAutoReconnect := True;
success := CkRest_Connect(rest,'api.dropboxapi.com',port,bTls,bAutoReconnect);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

CkRest_AddHeader(rest,'Authorization','Bearer DROPBOX-ACCESS-TOKEN');

responseStr := CkRest__fullRequestNoBody(rest,'POST','/2/users/get_space_usage');
if (CkRest_getLastMethodSuccess(rest) <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// Success is indicated by a 200 response status code.
if (CkRest_getResponseStatusCode(rest) <> 200) then
  begin
    // Examine the request/response to see what happened.
    Memo1.Lines.Add('response status code = ' + IntToStr(CkRest_getResponseStatusCode(rest)));
    Memo1.Lines.Add('response status text = ' + CkRest__responseStatusText(rest));
    Memo1.Lines.Add('response header: ' + CkRest__responseHeader(rest));
    Memo1.Lines.Add('response body (if any): ' + responseStr);
    Memo1.Lines.Add('---');
    Memo1.Lines.Add('LastRequestStartLine: ' + CkRest__lastRequestStartLine(rest));
    Memo1.Lines.Add('LastRequestHeader: ' + CkRest__lastRequestHeader(rest));
    Exit;
  end;

jsonResponse := CkJsonObject_Create();
CkJsonObject_Load(jsonResponse,responseStr);

CkJsonObject_putEmitCompact(jsonResponse,False);
Memo1.Lines.Add(CkJsonObject__emit(jsonResponse));

// {
//   "used": 3032115,
//   "allocation": {
//     ".tag": "individual",
//     "allocated": 2147483648
//   }
// }
// 

CkRest_Dispose(rest);
CkJsonObject_Dispose(jsonResponse);

end;