feat: Add expense management features with tabs for expenses, balances, and settlements
- Implemented ExpensesTab to display a list of expenses with details. - Created GroupExpensesPage to manage group expenses with a tabbed interface. - Added SettlementsTab to show optimized settlements between users. - Developed data models for Expense and Balance, including necessary methods for serialization. - Introduced CountRepository for Firestore interactions related to expenses. - Added CountService to handle business logic for expenses and settlements. - Integrated image picker for receipt uploads. - Updated main.dart to include CountBloc and CountRepository. - Enhanced pubspec.yaml with new dependencies for image picking and Firebase storage. Not Tested yet
This commit is contained in:
Dayron
34
lib/data/models/balance.dart
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34
lib/data/models/balance.dart
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class Balance {
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final String userId;
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final String userName;
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final double totalPaid;
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final double totalOwed;
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final double balance;
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Balance({
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required this.userId,
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required this.userName,
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required this.totalPaid,
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required this.totalOwed,
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}) : balance = totalPaid - totalOwed;
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bool get shouldReceive => balance > 0;
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bool get shouldPay => balance < 0;
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double get absoluteBalance => balance.abs();
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}
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class Settlement {
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final String fromUserId;
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final String fromUserName;
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final String toUserId;
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final String toUserName;
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final double amount;
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Settlement({
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required this.fromUserId,
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required this.fromUserName,
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required this.toUserId,
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required this.toUserName,
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required this.amount,
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});
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}
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243
lib/data/models/expense.dart
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243
lib/data/models/expense.dart
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:flutter/material.dart';
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enum ExpenseCategory {
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restaurant,
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transport,
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accommodation,
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activities,
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shopping,
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other,
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}
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enum ExpenseCurrency {
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eur,
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usd,
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gbp,
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jpy,
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chf,
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cad,
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aud,
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}
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class ExpenseSplit {
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final String userId;
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final String userName;
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final double amount;
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final bool isPaid;
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ExpenseSplit({
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required this.userId,
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required this.userName,
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required this.amount,
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this.isPaid = false,
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});
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Map<String, dynamic> toMap() {
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return {
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'userId': userId,
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'userName': userName,
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'amount': amount,
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'isPaid': isPaid,
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};
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}
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factory ExpenseSplit.fromMap(Map<String, dynamic> map) {
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return ExpenseSplit(
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userId: map['userId'] ?? '',
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userName: map['userName'] ?? '',
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amount: (map['amount'] ?? 0.0).toDouble(),
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isPaid: map['isPaid'] ?? false,
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);
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}
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}
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class Expense {
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final String id;
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final String groupId;
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final String description;
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final double amount;
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final ExpenseCurrency currency;
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final double amountInEur;
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final ExpenseCategory category;
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final String paidById;
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final String paidByName;
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final List<ExpenseSplit> splits;
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final String? receiptUrl;
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final DateTime date;
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final DateTime createdAt;
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final bool isArchived;
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final bool isEdited;
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final DateTime? editedAt;
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Expense({
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this.id = '',
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required this.groupId,
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required this.description,
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required this.amount,
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required this.currency,
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required this.amountInEur,
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required this.category,
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required this.paidById,
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required this.paidByName,
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required this.splits,
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this.receiptUrl,
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required this.date,
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DateTime? createdAt,
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this.isArchived = false,
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this.isEdited = false,
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this.editedAt,
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}) : createdAt = createdAt ?? DateTime.now();
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Map<String, dynamic> toMap() {
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return {
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'groupId': groupId,
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'description': description,
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'amount': amount,
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'currency': currency.name,
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'amountInEur': amountInEur,
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'category': category.name,
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'paidById': paidById,
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'paidByName': paidByName,
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'splits': splits.map((s) => s.toMap()).toList(),
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'receiptUrl': receiptUrl,
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'date': Timestamp.fromDate(date),
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'createdAt': Timestamp.fromDate(createdAt),
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'isArchived': isArchived,
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'isEdited': isEdited,
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'editedAt': editedAt != null ? Timestamp.fromDate(editedAt!) : null,
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};
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}
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factory Expense.fromFirestore(DocumentSnapshot doc) {
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final data = doc.data() as Map<String, dynamic>;
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final editedAtTimestamp = data['editedAt'] as Timestamp?;
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return Expense(
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id: doc.id,
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groupId: data['groupId'] ?? '',
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description: data['description'] ?? '',
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amount: (data['amount'] ?? 0.0).toDouble(),
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currency: ExpenseCurrency.values.firstWhere(
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(e) => e.name == data['currency'],
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orElse: () => ExpenseCurrency.eur,
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),
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amountInEur: (data['amountInEur'] ?? 0.0).toDouble(),
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category: ExpenseCategory.values.firstWhere(
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(e) => e.name == data['category'],
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orElse: () => ExpenseCategory.other,
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),
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paidById: data['paidById'] ?? '',
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paidByName: data['paidByName'] ?? '',
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splits: (data['splits'] as List<dynamic>?)
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?.map((s) => ExpenseSplit.fromMap(s as Map<String, dynamic>))
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.toList() ??
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[],
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receiptUrl: data['receiptUrl'],
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date: (data['date'] as Timestamp?)?.toDate() ?? DateTime.now(),
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createdAt: (data['createdAt'] as Timestamp?)?.toDate() ?? DateTime.now(),
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isArchived: data['isArchived'] ?? false,
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isEdited: data['isEdited'] ?? false,
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editedAt: editedAtTimestamp?.toDate(),
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);
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}
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Expense copyWith({
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String? id,
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String? groupId,
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String? description,
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double? amount,
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ExpenseCurrency? currency,
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double? amountInEur,
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ExpenseCategory? category,
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String? paidById,
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String? paidByName,
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List<ExpenseSplit>? splits,
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String? receiptUrl,
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DateTime? date,
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DateTime? createdAt,
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bool? isArchived,
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bool? isEdited,
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DateTime? editedAt,
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}) {
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return Expense(
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id: id ?? this.id,
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groupId: groupId ?? this.groupId,
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description: description ?? this.description,
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amount: amount ?? this.amount,
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currency: currency ?? this.currency,
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amountInEur: amountInEur ?? this.amountInEur,
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category: category ?? this.category,
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paidById: paidById ?? this.paidById,
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paidByName: paidByName ?? this.paidByName,
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splits: splits ?? this.splits,
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receiptUrl: receiptUrl ?? this.receiptUrl,
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date: date ?? this.date,
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createdAt: createdAt ?? this.createdAt,
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isArchived: isArchived ?? this.isArchived,
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isEdited: isEdited ?? this.isEdited,
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editedAt: editedAt ?? this.editedAt,
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);
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}
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}
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extension ExpenseCategoryExtension on ExpenseCategory {
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String get displayName {
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switch (this) {
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case ExpenseCategory.restaurant:
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return 'Restaurant';
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case ExpenseCategory.transport:
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return 'Transport';
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case ExpenseCategory.accommodation:
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return 'Hébergement';
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case ExpenseCategory.activities:
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return 'Activités';
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case ExpenseCategory.shopping:
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return 'Shopping';
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case ExpenseCategory.other:
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return 'Autre';
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}
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}
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IconData get icon {
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switch (this) {
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case ExpenseCategory.restaurant:
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return Icons.restaurant;
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case ExpenseCategory.transport:
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return Icons.directions_car;
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case ExpenseCategory.accommodation:
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return Icons.hotel;
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case ExpenseCategory.activities:
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return Icons.attractions;
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case ExpenseCategory.shopping:
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return Icons.shopping_bag;
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case ExpenseCategory.other:
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return Icons.more_horiz;
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}
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}
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}
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extension ExpenseCurrencyExtension on ExpenseCurrency {
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String get symbol {
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switch (this) {
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case ExpenseCurrency.eur:
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return '€';
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case ExpenseCurrency.usd:
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return '\$';
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case ExpenseCurrency.gbp:
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return '£';
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case ExpenseCurrency.jpy:
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return '¥';
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case ExpenseCurrency.chf:
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return 'CHF';
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case ExpenseCurrency.cad:
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return 'CAD';
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case ExpenseCurrency.aud:
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return 'AUD';
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}
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}
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String get code {
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return name.toUpperCase();
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}
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}
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