(Delphi DLL) VoiceBase -- Hello World (Get the Media Collection Listing)

This example serves to both verify that your Bearer Token is valid by retrieving JSON that contains information about your media collection.

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, StringBuilder, DtObj, JsonObject, CkDateTime;

...

procedure TForm1.Button1Click(Sender: TObject);
var
accessToken: PWideChar;
http: HCkHttp;
sbAuth: HCkStringBuilder;
strJson: PWideChar;
json: HCkJsonObject;
dt: HCkDateTime;
mediaCount: Integer;
i: Integer;
dateCreated: PWideChar;
localTime: Boolean;
dtObj: HCkDtObj;

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

// Insert your Bearer token here:
accessToken := 'VOICEBASE_TOKEN';

http := CkHttp_Create();

// Add the access (bearer) token to the request, which is a header
// having the following format:
// Authorization: Bearer <userAccessToken>
sbAuth := CkStringBuilder_Create();
CkStringBuilder_Append(sbAuth,'Bearer ');
CkStringBuilder_Append(sbAuth,accessToken);
CkHttp_SetRequestHeader(http,'Authorization',CkStringBuilder__getAsString(sbAuth));

strJson := CkHttp__quickGetStr(http,'https://apis.voicebase.com/v2-beta/media');
if (CkHttp_getLastMethodSuccess(http) <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

// The response should be JSON, even if an error.
json := CkJsonObject_Create();
CkJsonObject_Load(json,strJson);
CkJsonObject_putEmitCompact(json,False);

Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttp_getLastStatus(http)));

if (CkHttp_getLastStatus(http) <> 200) then
  begin
    Memo1.Lines.Add(CkJsonObject__emit(json));
    Memo1.Lines.Add('Failed');
    Exit;
  end;

// See the sample JSON response below..

// Iterate over the JSON like this:
dt := CkDateTime_Create();
mediaCount := CkJsonObject_SizeOfArray(json,'media');
i := 0;
while i < mediaCount do
  begin
    CkJsonObject_putI(json,i);

    Memo1.Lines.Add('-- ' + IntToStr(i) + ' --');
    Memo1.Lines.Add('  mediaId: ' + CkJsonObject__stringOf(json,'media[i].mediaId'));
    Memo1.Lines.Add('  status: ' + CkJsonObject__stringOf(json,'media[i].status'));
    Memo1.Lines.Add('  contentType: ' + CkJsonObject__stringOf(json,'media[i].metadata.contentType'));
    Memo1.Lines.Add('  milliseconds: ' + CkJsonObject__stringOf(json,'media[i].metadata.length.milliseconds'));
    Memo1.Lines.Add('  descriptive: ' + CkJsonObject__stringOf(json,'media[i].metadata.length.descriptive'));
    dateCreated := CkJsonObject__stringOf(json,'media[i].dateCreated');
    CkDateTime_SetFromTimestamp(dt,dateCreated);

    localTime := True;
    dtObj := CkDateTime_GetDtObj(dt,localTime);
    Memo1.Lines.Add('  ' + IntToStr(CkDtObj_getMonth(dtObj)) + '/' + IntToStr(CkDtObj_getDay(dtObj)) + '  ' + IntToStr(CkDtObj_getHour(dtObj))
         + ':' + IntToStr(CkDtObj_getMinute(dtObj)));
    CkDtObj_Dispose(dtObj);

    i := i + 1;
  end;

Memo1.Lines.Add('Finished.');

// A sample JSON response:

// { 
//   "_links": { 
//     "self": { 
//       "href": "/v2-beta/media"
//     }
//   },
//   "media": [
//     { 
//       "mediaId": "26063536-FFFF-4020-93ba-0878112d834b",
//       "status": "finished",
//       "metadata": { 
//         "contentType": "audio/x-wav",
//         "length": { 
//           "milliseconds": 85141,
//           "descriptive": "85.0 sec"
//         }
//       },
//       "dateCreated": "2017-01-19T16:49:32.000Z"
//     },
//     { 
//       "mediaId": "8163fbbc-FFFF-4794-aa95-045420bb321d",
//       "status": "finished",
//       "metadata": { 
//         "contentType": "audio/x-wav",
//         "length": { 
//           "milliseconds": 65342,
//           "descriptive": "65.0 sec"
//         }
//       },
//       "dateCreated": "2017-01-19T20:08:49.000Z"
//     },
// ...
// ...
//     { 
//       "mediaId": "b01e27be-FFFF-4b62-8802-6dc66a75c4d3",
//       "status": "finished",
//       "metadata": { 
//         "contentType": "audio/x-wav",
//         "length": { 
//           "milliseconds": 11581,
//           "descriptive": "11.0 sec"
//         }
//       },
//       "dateCreated": "2017-02-06T20:55:43.000Z"
//     }
//   ]
// }

CkHttp_Dispose(http);
CkStringBuilder_Dispose(sbAuth);
CkJsonObject_Dispose(json);
CkDateTime_Dispose(dt);

end;