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Documentation Index

Fetch the complete documentation index at: https://docs-mstore.faisalaffan.com/llms.txt

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Employee Management

Manajemen karyawan dan role assignment

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🎯 Overview

Employee adalah salah satu fitur utama dalam MStore Mobile yang menyediakan fungsionalitas untuk manajemen karyawan dan role assignment.

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📋 Features

  • ✅ Employee CRUD
  • ✅ Role assignment
  • ✅ Permission management
  • ✅ Activity logging
  • ✅ Performance tracking
  • ✅ Shift assignment

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🏗️ Architecture

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BLoC Implementation

BLoC: EmployeeBloc 
// Events
abstract class EmployeeEvent extends Equatable {}

class LoadEmployee extends EmployeeEvent {}
class CreateEmployee extends EmployeeEvent {}
class UpdateEmployee extends EmployeeEvent {}
class DeleteEmployee extends EmployeeEvent {}

// States
abstract class EmployeeState extends Equatable {}

class EmployeeInitial extends EmployeeState {}
class EmployeeLoading extends EmployeeState {}
class EmployeeLoaded extends EmployeeState {}
class EmployeeError extends EmployeeState {}

// BLoC
class EmployeeBloc extends Bloc<EmployeeEvent, EmployeeState> {
  final EmployeeRepository _repository;
  
  EmployeeBloc({required EmployeeRepository repository})
      : _repository = repository,
        super(EmployeeInitial()) {
    on<LoadEmployee>(_onLoad);
    on<CreateEmployee>(_onCreate);
    on<UpdateEmployee>(_onUpdate);
    on<DeleteEmployee>(_onDelete);
  }
  
  Future<void> _onLoad(
    LoadEmployee event,
    Emitter<EmployeeState> emit,
  ) async {
    emit(EmployeeLoading());
    
    final result = await _repository.getEmployees();
    
    result.fold(
      (failure) => emit(EmployeeError(failure.message)),
      (data) => emit(EmployeeLoaded(data)),
    );
  }
}

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Repository Pattern

abstract class EmployeeRepository {
  Future<Either<Failure, List<Employee>>> getEmployees();
  Future<Either<Failure, Employee>> getEmployeeById(String id);
  Future<Either<Failure, Employee>> createEmployee(Employee data);
  Future<Either<Failure, Employee>> updateEmployee(String id, Employee data);
  Future<Either<Failure, void>> deleteEmployee(String id);
}

class EmployeeRepositoryImpl implements EmployeeRepository {
  final EmployeeApi _api;
  final EmployeeLocalRepository _localRepo;
  
  @override
  Future<Either<Failure, List<Employee>>> getEmployees() async {
    try {
      // Try local first (offline-first)
      final local = await _localRepo.getEmployees();
      
      // Sync with API in background
      final result = await _api.getEmployees();
      result.fold(
        (failure) => null,
        (data) => _localRepo.saveEmployees(data),
      );
      
      return Right(local.isNotEmpty ? local : result.getOrElse(() => []));
    } catch (e) {
      return Left(UnexpectedFailure(e.toString()));
    }
  }
}

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📡 API Integration

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Endpoints

  • /api/v1/employees/*

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Request/Response Examples

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Get List

GET /api/v1/employees/*
Authorization: Bearer {access_token}
Response: 
{
  "success": true,
  "data": [
    {
      "id": "123",
      "name": "Example",
      "created_at": "2024-10-14T10:00:00Z"
    }
  ],
  "pagination": {
    "page": 1,
    "limit": 20,
    "total": 100
  }
}

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💾 Local Database (Isar)

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Schema

  • EmployeeLocal
@collection
class EmployeeLocal {
  Id id = Isar.autoIncrement;
  
  @Index()
  String? employeeId;
  
  String? name;
  DateTime? createdAt;
  DateTime? updatedAt;
  DateTime? syncedAt;
  
  bool? isSynced;
  bool? isDeleted;
}

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Queries

// Get all
final items = await isar.employeeLocals.where().findAll();

// Get by ID
final item = await isar.employeeLocals
    .filter()
    .employeeIdEqualTo(id)
    .findFirst();

// Search
final results = await isar.employeeLocals
    .filter()
    .nameContains(query, caseSensitive: false)
    .findAll();

// Get unsynced
final unsynced = await isar.employeeLocals
    .filter()
    .isSyncedEqualTo(false)
    .findAll();

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🔄 Offline-First Strategy

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Write Operations

  1. Save to local Isar immediately
  2. Show success to user
  3. Add to sync queue
  4. Background sync when online
  5. Update with server response

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Read Operations

  1. Read from local Isar (fast)
  2. Show to user immediately
  3. Background fetch from API
  4. Update local cache if changed
  5. Notify UI if data updated

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Conflict Resolution

  • Strategy: Last-write-wins
  • Timestamp: Server timestamp as source of truth
  • Logging: All conflicts logged for audit

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🎨 UI Components

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Main Screen

class EmployeePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return BlocProvider(
      create: (context) => getIt<EmployeeBloc>()..add(LoadEmployee()),
      child: Scaffold(
        appBar: AppBar(title: Text('Employee Management')),
        body: BlocBuilder<EmployeeBloc, EmployeeState>(
          builder: (context, state) {
            if (state is EmployeeLoading) {
              return Center(child: CircularProgressIndicator());
            }
            
            if (state is EmployeeError) {
              return ErrorWidget(message: state.message);
            }
            
            if (state is EmployeeLoaded) {
              return EmployeeListView(items: state.items);
            }
            
            return SizedBox.shrink();
          },
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: () => _navigateToCreate(context),
          child: Icon(Icons.add),
        ),
      ),
    );
  }
}

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🧪 Testing

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Unit Tests

void main() {
  group('EmployeeBloc', () {
    late EmployeeBloc bloc;
    late MockEmployeeRepository mockRepository;

    setUp(() {
      mockRepository = MockEmployeeRepository();
      bloc = EmployeeBloc(repository: mockRepository);
    });

    tearDown(() {
      bloc.close();
    });

    test('initial state is EmployeeInitial', () {
      expect(bloc.state, equals(EmployeeInitial()));
    });

    blocTest<EmployeeBloc, EmployeeState>(
      'emits [Loading, Loaded] when Load succeeds',
      build: () {
        when(() => mockRepository.getEmployees()).thenAnswer(
          (_) async => Right([Employee(id: '1', name: 'Test')]),
        );
        return bloc;
      },
      act: (bloc) => bloc.add(LoadEmployee()),
      expect: () => [
        EmployeeLoading(),
        isA<EmployeeLoaded>(),
      ],
    );
  });
}

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📊 Performance Considerations

  • Lazy Loading: Load data on demand
  • Pagination: Implement pagination for large datasets
  • Caching: Cache frequently accessed data
  • Indexing: Use Isar indexes for fast queries
  • Background Sync: Sync in background to avoid blocking UI

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🔐 Security

  • Authorization: Check user permissions before operations
  • Data Encryption: Sensitive data encrypted in Isar
  • Input Validation: Validate all user inputs
  • Audit Trail: Log all operations for audit

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📱 Platform-Specific

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iOS

  • Use Cupertino widgets
  • Follow iOS HIG
  • Handle safe area insets

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Android

  • Use Material widgets
  • Follow Material Design
  • Handle back button

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🔗 Related Documentation

Last Updated: October 14, 2024
Status: ✅ Production Ready