getPhotos method
Implementation
@override
Stream<Photo> getPhotos(ServiceCall call, AlbumRequest request) async* {
var photoList = photos;
if (request.id > 0) {
photoList =
photos.where((photo) => photo['albumId'] == request.id).toList();
}
for (final photo in photoList) {
yield Photo.fromJson('''{
"1": ${photo['albumId']},
"2": ${photo['id']},
"3": "${photo['title']}",
"4": "${photo['url']}"
}''');
}
}