Pascal (Lazarus/Delphi)
Pascal (Lazarus/Delphi)
Google Photos List Media Items
See more Google Photos Examples
List all media items from a user's Google Photos library.Chilkat Pascal (Lazarus/Delphi) Downloads
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.HttpResponse,
Chilkat.JsonObject;
// ---------------------------------------------------------------------------
procedure RunDemo;
var
success: Boolean;
jsonToken: TJsonObject;
http: THttp;
resp: THttpResponse;
json: TJsonObject;
i: Integer;
count_i: Integer;
id: string;
productUrl: string;
baseUrl: string;
mimeType: string;
mediaMetadataCreationTime: string;
mediaMetadataWidth: string;
mediaMetadataHeight: string;
mediaMetadataPhotoCameraMake: string;
mediaMetadataPhotoCameraModel: string;
mediaMetadataPhotoFocalLength: string;
mediaMetadataPhotoApertureFNumber: string;
mediaMetadataPhotoIsoEquivalent: Integer;
filename: string;
description: string;
begin
success := False;
// 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 := TJsonObject.Create;
success := jsonToken.LoadFile('qa_data/tokens/googlePhotos.json');
if (success = False) then
begin
WriteLn(jsonToken.LastErrorText);
Exit;
end;
http := THttp.Create;
http.AuthToken := jsonToken.StringOf('access_token');
// For more information, see Google Photos List Media Items API Documentation
resp := THttpResponse.Create;
success := http.HttpNoBody('GET','https://photoslibrary.googleapis.com/v1/mediaItems?pageSize=100',resp);
if (success = False) then
begin
WriteLn(http.LastErrorText);
Exit;
end;
// Examine the response status code. Success is indicated by a status code of 200.
WriteLn('response status code: ' + resp.StatusCode);
json := TJsonObject.Create;
json.Load(resp.BodyStr);
// Sample response:
json.EmitCompact := False;
WriteLn(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;
jsonToken.Free;
http.Free;
resp.Free;
json.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.