save before flutter upgrade

lib/models/content_manager/ad_by_genre.dart

@@ -0,0 +1,130 @@
+import 'dart:convert';
+
+class AdsByGenre {
+  String genreName;
+  int videoCount;
+  int rowNumber;
+  List<Video> videos;
+  int genreId;
+  dynamic genrePoster;
+  String? storageCategoryImageFileName;
+  bool isExpanded = false;
+  AdsByGenre({
+    required this.genreName,
+    required this.videoCount,
+    required this.rowNumber,
+    required this.videos,
+    required this.genreId,
+    required this.genrePoster,
+    required this.storageCategoryImageFileName,
+  });
+
+  factory AdsByGenre.fromJson(String str) =>
+      AdsByGenre.fromMap(json.decode(str));
+
+  String toJson() => json.encode(toMap());
+
+  factory AdsByGenre.fromMap(Map<String, dynamic> json) => AdsByGenre(
+        genreName: json["genre_name"],
+        videoCount: json["video_count"],
+        rowNumber: json["row_number"],
+        videos: List<Video>.from(json["videos"].map((x) => Video.fromMap(x))),
+        genreId: json["genre_id"],
+        genrePoster: json["genre_poster"],
+        storageCategoryImageFileName: json["poster_image_file"],
+      );
+
+  Map<String, dynamic> toMap() => {
+        "genre_name": genreName,
+        "video_count": videoCount,
+        "row_number": rowNumber,
+        "videos": List<dynamic>.from(videos.map((x) => x.toMap())),
+        "genre_id": genreId,
+        "genre_poster": genrePoster,
+        "poster_image_file": storageCategoryImageFileName,
+      };
+}
+
+class Video {
+  String title;
+  int points;
+  dynamic status;
+  dynamic urlAd;
+  dynamic partner;
+  int duration;
+  String overview;
+  int priority;
+  int videoId;
+  String videoUrl;
+  List<String> categories;
+  DateTime createdAt;
+  String posterPath;
+  bool videoStatus;
+  dynamic expirationDate;
+  String videoFileName;
+  String posterFileName;
+
+  Video({
+    required this.title,
+    required this.points,
+    required this.status,
+    required this.urlAd,
+    required this.partner,
+    required this.duration,
+    required this.overview,
+    required this.priority,
+    required this.videoId,
+    required this.videoUrl,
+    required this.categories,
+    required this.createdAt,
+    required this.posterPath,
+    required this.videoStatus,
+    required this.expirationDate,
+    required this.videoFileName,
+    required this.posterFileName,
+  });
+
+  factory Video.fromJson(String str) => Video.fromMap(json.decode(str));
+
+  String toJson() => json.encode(toMap());
+
+  factory Video.fromMap(Map<String, dynamic> json) => Video(
+        title: json["title"],
+        points: json["points"],
+        status: json["status"],
+        urlAd: json["url_ad"],
+        partner: json["partner"],
+        duration: json["duration"],
+        overview: json["overview"],
+        priority: json["priority"],
+        videoId: json["video_id"],
+        videoUrl: json["video_url"],
+        categories: List<String>.from(json["categories"].map((x) => x)),
+        createdAt: DateTime.parse(json["created_at"]),
+        posterPath: json["poster_path"],
+        videoStatus: json["video_status"],
+        expirationDate: json["expiration_date"],
+        videoFileName: json["video_file_name"],
+        posterFileName: json["poster_file_name"],
+      );
+
+  Map<String, dynamic> toMap() => {
+        "title": title,
+        "points": points,
+        "status": status,
+        "url_ad": urlAd,
+        "partner": partner,
+        "duration": duration,
+        "overview": overview,
+        "priority": priority,
+        "video_id": videoId,
+        "video_url": videoUrl,
+        "categories": List<dynamic>.from(categories.map((x) => x)),
+        "created_at": createdAt.toIso8601String(),
+        "poster_path": posterPath,
+        "video_status": videoStatus,
+        "expiration_date": expirationDate,
+        "video_file_name": videoFileName,
+        "poster_file_name": posterFileName,
+      };
+}