Pascal (Lazarus/Delphi)

CallRail API - Retrieve a Call Recording

See more CallRail Examples

Returns a CallRail URL pointing to an MP3 recording of the specified call, and then downloads the MP3 to a local file. 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.JsonObject;

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

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  sbResponseBody: TStringBuilder;
  jResp: TJsonObject;
  respStatusCode: Integer;
  url: 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 -H "Authorization: Token token=abc1234" \
  //    https://api.callrail.com/v3/a/{account_id}/calls/{call_id}/recording.json

  //  Use the following online tool to generate HTTP code from a CURL command
  //  Convert a cURL Command to HTTP Source Code

  http.SetRequestHeader('Authorization','Token token=abc1234');

  sbResponseBody := TStringBuilder.Create;
  success := http.QuickGetSb('https://api.callrail.com/v3/a/{account_id}/calls/{call_id}/recording.json',sbResponseBody);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  jResp := TJsonObject.Create;
  jResp.LoadSb(sbResponseBody);
  jResp.EmitCompact := False;

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

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

  //  Sample JSON response:

  //  {
  //    "url": "http://app.callrail.com/calls/CAL11df32690b7d46123456789123456789/recording/redirect?access_key=241sa242sadqwerty123"
  //  }

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

  //  Download to a .mp3 file
  success := http.Download(url,'call_recordings/CAL11df32690b7d46123456789123456789.mp3');
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
    end
  else
    begin
      WriteLn('success.');
    end;


  http.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.