feat: Add User and UserBalance models with serialization methods

feat: Implement BalanceRepository for group balance calculations feat: Create ExpenseRepository for managing expenses feat: Add services for handling expenses and storage operations fix: Update import paths for models in repositories and services refactor: Rename CountContent to AccountContent in HomePage chore: Add StorageService for image upload and management
2025-10-21 16:02:58 +02:00
parent 62eb434548
commit 4edbd1cf34
60 changed files with 1973 additions and 342 deletions
--- a/lib/models/user_balance.dart
+++ b/lib/models/user_balance.dart
@@ -0,0 +1,98 @@
+import 'package:equatable/equatable.dart';
+
+class UserBalance extends Equatable {
+  final String userId;
+  final String userName;
+  final double totalPaid;     // Total payé par cet utilisateur
+  final double totalOwed;     // Total dû par cet utilisateur
+  final double balance;       // Différence (positif = à recevoir, négatif = à payer)
+
+  const UserBalance({
+    required this.userId,
+    required this.userName,
+    required this.totalPaid,
+    required this.totalOwed,
+    required this.balance,
+  });
+
+  // Constructeur factory pour créer depuis une Map
+  factory UserBalance.fromMap(Map<String, dynamic> map) {
+    return UserBalance(
+      userId: map['userId'] ?? '',
+      userName: map['userName'] ?? '',
+      totalPaid: (map['totalPaid'] as num?)?.toDouble() ?? 0.0,
+      totalOwed: (map['totalOwed'] as num?)?.toDouble() ?? 0.0,
+      balance: (map['balance'] as num?)?.toDouble() ?? 0.0,
+    );
+  }
+
+  // Convertir en Map pour la sérialisation
+  Map<String, dynamic> toMap() {
+    return {
+      'userId': userId,
+      'userName': userName,
+      'totalPaid': totalPaid,
+      'totalOwed': totalOwed,
+      'balance': balance,
+    };
+  }
+
+  // Méthode copyWith pour créer une copie modifiée
+  UserBalance copyWith({
+    String? userId,
+    String? userName,
+    double? totalPaid,
+    double? totalOwed,
+    double? balance,
+  }) {
+    return UserBalance(
+      userId: userId ?? this.userId,
+      userName: userName ?? this.userName,
+      totalPaid: totalPaid ?? this.totalPaid,
+      totalOwed: totalOwed ?? this.totalOwed,
+      balance: balance ?? this.balance,
+    );
+  }
+
+  // Constructeur factory pour recalculer automatiquement la balance
+  factory UserBalance.calculated({
+    required String userId,
+    required String userName,
+    required double totalPaid,
+    required double totalOwed,
+  }) {
+    return UserBalance(
+      userId: userId,
+      userName: userName,
+      totalPaid: totalPaid,
+      totalOwed: totalOwed,
+      balance: totalPaid - totalOwed,
+    );
+  }
+
+  // Getters pour la logique métier
+  bool get shouldReceive => balance > 0;
+  bool get shouldPay => balance < 0;
+  bool get isBalanced => balance.abs() < 0.01; // Tolérance pour les arrondis
+
+  // Montants absolus pour l'affichage
+  double get absoluteBalance => balance.abs();
+  String get balanceStatus {
+    if (isBalanced) return 'Équilibré';
+    if (shouldReceive) return 'À recevoir';
+    return 'À payer';
+  }
+
+  // Formatage pour l'affichage
+  String get formattedBalance => '${absoluteBalance.toStringAsFixed(2)} €';
+  String get formattedTotalPaid => '${totalPaid.toStringAsFixed(2)} €';
+  String get formattedTotalOwed => '${totalOwed.toStringAsFixed(2)} €';
+
+  @override
+  List<Object?> get props => [userId, userName, balance];
+
+  @override
+  String toString() {
+    return 'UserBalance(userId: $userId, userName: $userName, balance: ${balance.toStringAsFixed(2)}€)';
+  }
+}