Imrpoved image handling since the size of the image is about 5MB.

hartmann-foto-documentation-frontend/lib/dto/picture_dto.dart

@@ -4,13 +4,15 @@ class PictureDto {
   final int id;
   final String? comment;
   final String? category;
-  final String image;
   int evaluation;
   final DateTime pictureDate;
   final String? username;
+  final String imageUrl;
+  final String normalSizeUrl;
+  final String thumbnailSizeUrl;
 
   PictureDto(
-      {required this.id, required this.comment, required this.category, required this.image, required this.evaluation, required this.pictureDate, required this.username});
+      {required this.id, required this.comment, required this.category, required this.evaluation, required this.pictureDate, required this.username, required this.imageUrl, required this.normalSizeUrl, required this.thumbnailSizeUrl});
 
   /// Create from JSON response
   factory PictureDto.fromJson(Map<String, dynamic> json) {
@@ -18,10 +20,12 @@ class PictureDto {
       id: json['id'] as int,
       comment: json['comment'] as String?,
       category: json['category'] as String?,
-      image: json['image'] as String,
       evaluation: json["evaluation"] as int,
       pictureDate: DateTimeUtils.toDateTime(json['pictureDate']) ?? DateTime.now(),
-      username: json['username'] as String?
+      username: json['username'] as String?,
+      imageUrl: json['imageUrl'] as String,
+      normalSizeUrl: json['normalSizeUrl'] as String,
+      thumbnailSizeUrl: json['thumbnailSizeUrl'] as String,
     );
   }