h-1.flutter.0/lib/services/customer_repository.dart

184 lines
6.9 KiB
Dart

import 'package:sqflite/sqflite.dart';
import '../models/customer_model.dart';
import 'database_helper.dart';
import 'package:uuid/uuid.dart';
import 'activity_log_repository.dart';
import '../models/customer_contact.dart';
class CustomerRepository {
final DatabaseHelper _dbHelper = DatabaseHelper();
final ActivityLogRepository _logRepo = ActivityLogRepository();
Future<List<Customer>> getAllCustomers() async {
final db = await _dbHelper.database;
final List<Map<String, dynamic>> maps = await db.rawQuery('''
SELECT c.*, cc.address AS contact_address, cc.tel AS contact_tel, cc.email AS contact_email
FROM customers c
LEFT JOIN customer_contacts cc ON cc.customer_id = c.id AND cc.is_active = 1
ORDER BY c.display_name ASC
''');
if (maps.isEmpty) {
await _generateSampleCustomers();
return getAllCustomers(); // 再帰的に読み込み
}
return List.generate(maps.length, (i) => Customer.fromMap(maps[i]));
}
Future<void> _generateSampleCustomers() async {
final samples = [
Customer(id: const Uuid().v4(), displayName: "佐々木製作所", formalName: "株式会社 佐々木製作所", title: "御中"),
Customer(id: const Uuid().v4(), displayName: "田中商事", formalName: "田中商事 株式会社", title: ""),
Customer(id: const Uuid().v4(), displayName: "山田建材", formalName: "有限会社 山田建材", title: "御中"),
Customer(id: const Uuid().v4(), displayName: "鈴木運送", formalName: "鈴木運送 合同会社", title: ""),
Customer(id: const Uuid().v4(), displayName: "伊藤工務店", formalName: "伊藤工務店", title: ""),
Customer(id: const Uuid().v4(), displayName: "渡辺興業", formalName: "株式会社 渡辺興業", title: "御中"),
Customer(id: const Uuid().v4(), displayName: "高橋電気", formalName: "高橋電気工業所", title: ""),
Customer(id: const Uuid().v4(), displayName: "佐藤商店", formalName: "佐藤商店", title: ""),
Customer(id: const Uuid().v4(), displayName: "中村機械", formalName: "中村機械製作所", title: "殿"),
Customer(id: const Uuid().v4(), displayName: "小林産業", formalName: "小林産業 株式会社", title: "御中"),
];
for (var s in samples) {
await saveCustomer(s);
}
}
Future<void> saveCustomer(Customer customer) async {
final db = await _dbHelper.database;
await db.transaction((txn) async {
await txn.insert(
'customers',
customer.toMap(),
conflictAlgorithm: ConflictAlgorithm.replace,
);
await _upsertActiveContact(txn, customer);
});
await _logRepo.logAction(
action: "SAVE_CUSTOMER",
targetType: "CUSTOMER",
targetId: customer.id,
details: "名称: ${customer.formalName}, 敬称: ${customer.title}",
);
}
Future<void> deleteCustomer(String id) async {
final db = await _dbHelper.database;
await db.delete(
'customers',
where: 'id = ?',
whereArgs: [id],
);
await _logRepo.logAction(
action: "DELETE_CUSTOMER",
targetType: "CUSTOMER",
targetId: id,
details: "顧客を削除しました",
);
}
// GPS履歴の保存 (直近10件を自動管理)
Future<void> addGpsHistory(String customerId, double latitude, double longitude) async {
final db = await _dbHelper.database;
final now = DateTime.now().toIso8601String();
await db.transaction((txn) async {
// 履歴を追加
await txn.insert('customer_gps_history', {
'customer_id': customerId,
'latitude': latitude,
'longitude': longitude,
'timestamp': now,
});
// 10件を超えた古い履歴を削除
await txn.execute('''
DELETE FROM customer_gps_history
WHERE id IN (
SELECT id FROM customer_gps_history
WHERE customer_id = ?
ORDER BY timestamp DESC
LIMIT -1 OFFSET 10
)
''', [customerId]);
});
}
Future<List<Map<String, dynamic>>> getGpsHistory(String customerId) async {
final db = await _dbHelper.database;
return await db.query(
'customer_gps_history',
where: 'customer_id = ?',
whereArgs: [customerId],
orderBy: 'timestamp DESC',
);
}
Future<List<Customer>> searchCustomers(String query) async {
final db = await _dbHelper.database;
final List<Map<String, dynamic>> maps = await db.rawQuery('''
SELECT c.*, cc.address AS contact_address, cc.tel AS contact_tel, cc.email AS contact_email
FROM customers c
LEFT JOIN customer_contacts cc ON cc.customer_id = c.id AND cc.is_active = 1
WHERE c.display_name LIKE ? OR c.formal_name LIKE ?
ORDER BY c.display_name ASC
LIMIT 50
''', ['%$query%', '%$query%']);
return List.generate(maps.length, (i) => Customer.fromMap(maps[i]));
}
Future<void> updateContact({required String customerId, String? email, String? tel, String? address}) async {
final db = await _dbHelper.database;
await db.transaction((txn) async {
final nextVersion = await _nextContactVersion(txn, customerId);
await txn.update('customer_contacts', {'is_active': 0}, where: 'customer_id = ?', whereArgs: [customerId]);
await txn.insert('customer_contacts', {
'id': const Uuid().v4(),
'customer_id': customerId,
'email': email,
'tel': tel,
'address': address,
'version': nextVersion,
'is_active': 1,
'created_at': DateTime.now().toIso8601String(),
});
});
await _logRepo.logAction(
action: "UPDATE_CUSTOMER_CONTACT",
targetType: "CUSTOMER",
targetId: customerId,
details: "連絡先を更新 (version up)",
);
}
Future<CustomerContact?> getActiveContact(String customerId) async {
final db = await _dbHelper.database;
final rows = await db.query('customer_contacts', where: 'customer_id = ? AND is_active = 1', whereArgs: [customerId], limit: 1);
if (rows.isEmpty) return null;
return CustomerContact.fromMap(rows.first);
}
Future<int> _nextContactVersion(DatabaseExecutor txn, String customerId) async {
final res = await txn.rawQuery('SELECT MAX(version) as v FROM customer_contacts WHERE customer_id = ?', [customerId]);
final current = res.first['v'] as int?;
return (current ?? 0) + 1;
}
Future<void> _upsertActiveContact(DatabaseExecutor txn, Customer customer) async {
final nextVersion = await _nextContactVersion(txn, customer.id);
await txn.update('customer_contacts', {'is_active': 0}, where: 'customer_id = ?', whereArgs: [customer.id]);
await txn.insert('customer_contacts', {
'id': const Uuid().v4(),
'customer_id': customer.id,
'email': customer.email,
'tel': customer.tel,
'address': customer.address,
'version': nextVersion,
'is_active': 1,
'created_at': DateTime.now().toIso8601String(),
});
}
}