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/services/models/service_file_model.dart

@@ -0,0 +1,98 @@
+import 'dart:typed_data';
+
+import 'package:equatable/equatable.dart';
+
+class ServiceFileModel extends Equatable {
+  final String? id;
+  final DateTime? createdAt;
+  final String name;
+  final String extension;
+  final String url;
+  final String serviceId;
+  final int fileSize;
+  final Uint8List? localBytes;
+
+  const ServiceFileModel({
+    this.id,
+    this.createdAt,
+    required this.name,
+    required this.extension,
+    required this.url,
+    required this.serviceId,
+    required this.fileSize,
+    this.localBytes,
+  });
+
+  // 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';
+
+  ServiceFileModel copyWith({
+    String? id,
+    DateTime? createdAt,
+    String? name,
+    String? extension,
+    String? url,
+    String? serviceId,
+    int? fileSize,
+    Uint8List? localBytes,
+  }) {
+    return ServiceFileModel(
+      id: id ?? this.id,
+      createdAt: createdAt ?? this.createdAt,
+      name: name ?? this.name,
+      extension: extension ?? this.extension,
+      url: url ?? this.url,
+      serviceId: serviceId ?? this.serviceId,
+      fileSize: fileSize ?? this.fileSize,
+      localBytes: localBytes ?? this.localBytes,
+    );
+  }
+
+  factory ServiceFileModel.fromMap(Map<String, dynamic> map) {
+    return ServiceFileModel(
+      id: map['id'] as String,
+      createdAt: map['created_at'] != null
+          ? DateTime.parse(map['created_at'])
+          : null,
+      name: map['name'] ?? '',
+      extension: map['extension'] ?? '',
+      url: map['url'] ?? '',
+      serviceId: map['service_id']?.toString() ?? '',
+      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,
+      'name': name,
+      'extension': extension,
+      'url': url,
+      'service_id': serviceId,
+      'file_size': fileSize,
+    };
+  }
+
+  @override
+  List<Object?> get props => [
+    id,
+    createdAt,
+    name,
+    extension,
+    url,
+    serviceId,
+    fileSize,
+    localBytes,
+  ];
+}