feat-insert-service (#5)

Reviewed-on: http://catelliub.zapto.org:3000/brontomark/flux/pulls/5
Co-authored-by: mark-cachy <marco@catelli.it>
Co-committed-by: mark-cachy <marco@catelli.it>

lib/features/customers/models/customer_file_model.dart

@@ -7,6 +7,7 @@ class CustomerFileModel extends Equatable {
   final String url;
   final String extension;
   final DateTime? createdAt;
+  final int fileSize;
 
   const CustomerFileModel({
     this.id,
@@ -15,31 +16,76 @@ class CustomerFileModel extends Equatable {
     required this.url,
     required this.extension,
     this.createdAt,
+    required this.fileSize,
   });
 
-  factory CustomerFileModel.fromJson(Map<String, dynamic> json) {
+  // Trasforma i byte in qualcosa di leggibile (KB, MB, GB)
+  String get sizeFormatted {
+    if (fileSize <= 0) return "0 B";
+    const suffixes = ["B", "KB", "MB", "GB", "TB"];
+    var i = (fileSize.toString().length - 1) ~/ 3;
+    if (i >= suffixes.length) i = suffixes.length - 1;
+    double num = fileSize / (1 << (i * 10));
+    return "${num.toStringAsFixed(i == 0 ? 0 : 1)} ${suffixes[i]}";
+  }
+
+  bool get isPdf => extension.toLowerCase().replaceAll('.', '') == 'pdf';
+
+  CustomerFileModel copyWith({
+    String? id,
+    String? customerId,
+    String? name,
+    String? url,
+    String? extension,
+    DateTime? createdAt,
+    int? fileSize,
+  }) {
     return CustomerFileModel(
-      id: json['id'] as String,
-      customerId: json['customer_id'],
-      name: json['name'],
-      url: json['url'],
-      extension: json['extension'] ?? '',
-      createdAt: json['created_at'] != null
-          ? DateTime.parse(json['created_at'])
-          : null,
+      id: id ?? this.id,
+      customerId: customerId ?? this.customerId,
+      name: name ?? this.name,
+      url: url ?? this.url,
+      extension: extension ?? this.extension,
+      createdAt: createdAt ?? this.createdAt,
+      fileSize: fileSize ?? this.fileSize,
     );
   }
 
-  Map<String, dynamic> toJson() {
+  factory CustomerFileModel.fromMap(Map<String, dynamic> map) {
+    return CustomerFileModel(
+      id: map['id'] as String,
+      customerId: map['customer_id'],
+      name: map['name'],
+      url: map['url'],
+      extension: map['extension'] ?? '',
+      createdAt: map['created_at'] != null
+          ? DateTime.parse(map['created_at'])
+          : null,
+      fileSize: map['file_size'] is int
+          ? map['file_size']
+          : int.tryParse(map['file_size']?.toString() ?? '0') ?? 0,
+    );
+  }
+
+  Map<String, dynamic> toMap() {
     return {
       if (id != null) 'id': id,
       'customer_id': customerId,
       'name': name,
       'url': url,
       'extension': extension,
+      'file_size': fileSize,
     };
   }
 
   @override
-  List<Object?> get props => [id, customerId, name, url, extension, createdAt];
+  List<Object?> get props => [
+    id,
+    customerId,
+    name,
+    url,
+    extension,
+    createdAt,
+    fileSize,
+  ];
 }