(Delphi ActiveX) Google Photos List Media Items

List all media items from a user's Google Photos library.

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

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
jsonToken: TChilkatJsonObject;
success: Integer;
http: TChilkatHttp;
resp: IChilkatHttpResponse;
json: TChilkatJsonObject;
i: Integer;
count_i: Integer;
id: WideString;
productUrl: WideString;
baseUrl: WideString;
mimeType: WideString;
mediaMetadataCreationTime: WideString;
mediaMetadataWidth: WideString;
mediaMetadataHeight: WideString;
mediaMetadataPhotoCameraMake: WideString;
mediaMetadataPhotoCameraModel: WideString;
mediaMetadataPhotoFocalLength: WideString;
mediaMetadataPhotoApertureFNumber: WideString;
mediaMetadataPhotoIsoEquivalent: Integer;
filename: WideString;
description: WideString;

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

// Get the previously obtained access token.
// See Get Google Photos Access Token.

jsonToken := TChilkatJsonObject.Create(Self);
success := jsonToken.LoadFile('qa_data/tokens/googlePhotos.json');
if (success = 0) then
  begin
    Memo1.Lines.Add(jsonToken.LastErrorText);
    Exit;
  end;

http := TChilkatHttp.Create(Self);

http.AuthToken := jsonToken.StringOf('access_token');

// For more information, see Google Photos List Media Items API Documentation

resp := http.QuickRequest('GET','https://photoslibrary.googleapis.com/v1/mediaItems?pageSize=100');
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// Examine the response status code.  Success is indicated by a status code of 200.
Memo1.Lines.Add('response status code: ' + IntToStr(resp.StatusCode));

json := TChilkatJsonObject.Create(Self);
json.Load(resp.BodyStr);

// Sample response:
json.EmitCompact := 0;
Memo1.Lines.Add(json.Emit());

// (See parsing code below...)

// {
//   "mediaItems": [
//     {
//       "id": "AKcbugGCOVK46E2qq6tv_wEuQuoK_a0iHet9rGH0-UWoZFnTMpEZ2jNjHWggz7Aq3hhjJv4YJsDY6ntowKsvnfnr1Bu3ASnS_w",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugGCOVK46E2qq6tv_wEuQuoK_a0iHet9rGH0-UWoZFnTMpEZ2jNjHWggz7Aq3hhjJv4YJsDY6ntowKsvnfnr1Bu3ASnS_w",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e7ZcHJhUmxO8EgRSBFyBaGAyXE...YMWCAMDlNTA6-L5LiijXAUfKgD1ULhr9IabJBGTT7ETUdeeFTQTM",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2019-04-11T17:55:53Z",
//         "width": "640",
//         "height": "480",
//         "photo": {
//           "cameraMake": "Apple",
//           "cameraModel": "iPhone 5s",
//           "focalLength": 4.15,
//           "apertureFNumber": 2.2,
//           "isoEquivalent": 32
//         }
//       },
//       "filename": "IMG_1206.JPG"
//     },
//     {
//       "id": "AKcbugFACWDNCQJ2nwhDemR6vRupHSvOUSKukyOHqTWO1CCIs0qw-C0b5MGmrveyjYe8ps8z1rZTRQ8hmSQsODSsobNqDl8vTg",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugFACWDNCQJ2nwhDemR6vRupHSvOUSKukyOHqTWO1CCIs0qw-C0b5MGmrveyjYe8ps8z1rZTRQ8hmSQsODSsobNqDl8vTg",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e7NQe0qdoZrDHkfkK7LOsw-V...YJ1mrohD5duHsY2QJCzLTXZ65EOUrJefars3xDSwsCYlelY470kk",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2016-10-09T01:49:58Z",
//         "width": "600",
//         "height": "427",
//         "photo": {}
//       },
//       "filename": "hedgehogs.jpg"
//     },
//     {
//       "id": "AKcbugHEVyTFgIYb7GzhRFP5KvhBRIIsRcb6Cd4-2ByHzad2oqZnWF2aMPoXY-vfrXmefdTlyF3yZ22Odz6IFLs8pnJlOoVBUg",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugHEVyTFgIYb7GzhRFP5KvhBRIIsRcb6Cd4-2ByHzad2oqZnWF2aMPoXY-vfrXmefdTlyF3yZ22Odz6IFLs8pnJlOoVBUg",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e64wP9gpPXKq5b8FCFKzu9C...QTFxMLVRaLeQZBvYGZVIe7xCcRPnRhMpiXwL_RV_aU",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2015-09-21T20:30:02Z",
//         "width": "59",
//         "height": "69",
//         "photo": {}
//       },
//       "filename": "chilkat_gravatar.jpg"
//     },
//     {
//       "id": "AKcbugHdYTp-S-D_EYnSBA4EhrKT86IFbmdRuiDclKka9T5b6UIbeDvhTAu1bebYOCFKH-gv1ME1z6RyMN4eW_9J5ol9_qizMg",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugHdYTp-S-D_EYnSBA4EhrKT86IFbmdRuiDclKka9T5b6UIbeDvhTAu1bebYOCFKH-gv1ME1z6RyMN4eW_9J5ol9_qizMg",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e4e69WQpYcQX...m87rR6gDBhcB55TL__3ckBYNQ8MjbqpBtmojjYWrLG_j4VsVSA",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2008-05-29T15:30:55Z",
//         "width": "120",
//         "height": "120",
//         "photo": {}
//       },
//       "filename": "starfish.jpg"
//     },
//     {
//       "id": "AKcbugGwtCih2tdl3s1-NMvZFaco3W7XnRwvwtj02J9DJyl6JmrLZDVUFcxQl4AT04LaNrPpsrojeTsDSzOVOF5IgKefD0Y-MQ",
//       "description": "Photo of Penguins",
//       "productUrl": "https://photos.google.com/lr/photo/AKcbugGwtCih2tdl3s1-NMvZFaco3W7XnRwvwtj02J9DJyl6JmrLZDVUFcxQl4AT04LaNrPpsrojeTsDSzOVOF5IgKefD0Y-MQ",
//       "baseUrl": "https://lh3.googleusercontent.com/lr/AGWb-e5Cj3EgyhscdT...X3-W562iiKtTa8lc_QPxCrpJu-m7cZyNGwGTANVpGe1XG",
//       "mimeType": "image/jpeg",
//       "mediaMetadata": {
//         "creationTime": "2008-02-18T05:07:31Z",
//         "width": "1024",
//         "height": "768",
//         "photo": {}
//       },
//       "filename": "penguins.jpg"
//     }
//   ]
// }
// 

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

i := 0;
count_i := json.SizeOfArray('mediaItems');
while i < count_i do
  begin
    json.I := i;
    id := json.StringOf('mediaItems[i].id');
    productUrl := json.StringOf('mediaItems[i].productUrl');
    baseUrl := json.StringOf('mediaItems[i].baseUrl');
    mimeType := json.StringOf('mediaItems[i].mimeType');
    mediaMetadataCreationTime := json.StringOf('mediaItems[i].mediaMetadata.creationTime');
    mediaMetadataWidth := json.StringOf('mediaItems[i].mediaMetadata.width');
    mediaMetadataHeight := json.StringOf('mediaItems[i].mediaMetadata.height');
    mediaMetadataPhotoCameraMake := json.StringOf('mediaItems[i].mediaMetadata.photo.cameraMake');
    mediaMetadataPhotoCameraModel := json.StringOf('mediaItems[i].mediaMetadata.photo.cameraModel');
    mediaMetadataPhotoFocalLength := json.StringOf('mediaItems[i].mediaMetadata.photo.focalLength');
    mediaMetadataPhotoApertureFNumber := json.StringOf('mediaItems[i].mediaMetadata.photo.apertureFNumber');
    mediaMetadataPhotoIsoEquivalent := json.IntOf('mediaItems[i].mediaMetadata.photo.isoEquivalent');
    filename := json.StringOf('mediaItems[i].filename');
    description := json.StringOf('mediaItems[i].description');
    i := i + 1;
  end;
end;