DigitalData.MessagingService/STATUS.md

# EmailProfiler - Current Implementation Status

**Last Updated**: 2026-07-14

---

## ✅ COMPLETED (Phase 1: Domain Layer - 100%)

### Entities (with proper [Table] and [Column] attributes)
- ✅ `EmailAccount.cs` - Maps to `TBDD_EMAIL_ACCOUNT`
- ✅ `EmailProfile.cs` - Maps to `TBEMLP_POLL_PROFILES`
- ✅ `EmailProcess.cs` - Maps to `TBEMLP_POLL_PROCESS`
- ✅ `ProcessStep.cs` - Maps to `TBEMLP_POLL_STEPS`
- ✅ `IndexingStep.cs` - Maps to `TBEMLP_POLL_INDEXING_STEPS`
- ✅ `EmailHistory.cs` - Maps to `TBEMLP_HISTORY`
- ✅ `EmailAttachment.cs` - Maps to `TBEMLP_HISTORY_ATTACHMENT`
- ✅ `EmailOutbox.cs` - Maps to `TBEMLP_EMAIL_OUT`

### Value Objects
- ✅ `MessageId.cs` - Uses SHA256 hash (legacy-compatible algorithm)
- ✅ `EmailAddress.cs` - Email validation and parsing

### Enums
- ✅ `ErrorCode.cs` - All error codes from legacy system
- ✅ `ProcessType.cs` - ProcessManager, AttachmentSniffer, ZugFeRDParser
- ✅ `AuthenticationType.cs` - UsernamePassword, OAuth2
- ✅ `EmailStatus.cs` - Email processing status
- ✅ `AttachmentStatus.cs` - Attachment validation status

### Common Classes
- ✅ `BaseEntity.cs` - Base class with audit fields
- ✅ `IAggregateRoot.cs` - DDD aggregate root marker
- ✅ `ValueObject.cs` - Base class for value objects

### Domain Services
- ✅ `MessageIdGenerator.cs` - Generates unique message IDs with legacy-compatible hash

### Domain Events
- ✅ `EmailProcessedEvent.cs` - MediatR event for email processing

### Exceptions
- ✅ `DomainException.cs` - Base domain exception
- ✅ `ValidationException.cs` - Validation errors
- ✅ `AttachmentProcessingException.cs` - Attachment-specific errors

### NuGet Packages
- ✅ Domain project has MediatR 12.2.0

---

## ✅ COMPLETED (Phase 2: Application Layer - 100%)

### DTOs (Common/Dtos/{Entity}/)
- ✅ `EmailProfiles/EmailProfileDto.cs`
- ✅ `EmailAccounts/EmailAccountDto.cs`
- ✅ `EmailHistories/EmailHistoryDto.cs`, `CreateEmailHistoryDto.cs`, `UpdateEmailHistoryStatusDto.cs`
- ✅ `EmailAttachments/EmailAttachmentDto.cs`, `CreateEmailAttachmentDto.cs`, `UpdateEmailAttachmentStatusDto.cs`

### Repository Interfaces (Generic Pattern - NO UnitOfWork)
- ✅ `IRepository<T>` - Generic repository with CreateAsync<TDto>, UpdateSingleAsync<TDto>, DeleteSingleAsync, UpdateAsync, DeleteAsync

### Service Interfaces
- ✅ `IEmailService.cs` - IMAP/SMTP operations
- ✅ `IPdfProcessingService.cs` - PDF validation and extraction
- ✅ `IDmsService.cs` - windream DMS integration
- ✅ `IEncryptionService.cs` - Password encryption
- ✅ `IEmailQueue.cs` - Email queue operations
- ✅ `ICommandPublisher.cs` - RabbitMQ command publishing

### MediatR Commands (Features/*/Commands/)
- ✅ `CreateEmailProfileCommand.cs` + Handler
- ✅ `UpdateEmailProfileCommand.cs` + Handler
- ✅ `DeleteEmailProfileCommand.cs` + Handler
- ✅ `CreateEmailAccountCommand.cs` + Handler
- ✅ `ProcessEmailCommand.cs` + Handler

### MediatR Queries (Features/*/Queries/)
- ✅ `GetEmailProfilesQuery.cs` + Handler
- ✅ `GetEmailProfileByIdQuery.cs` + Handler
- ✅ `GetActiveEmailProfilesQuery.cs` + Handler
- ✅ `GetEmailAccountsQuery.cs` + Handler
- ✅ `GetEmailAccountByIdQuery.cs` + Handler
- ✅ `GetEmailHistoryByProfileQuery.cs` + Handler (with pagination)
- ✅ `GetEmailHistoryByIdQuery.cs` + Handler

### Validators (Features/*/Validators/)
- ✅ `CreateEmailProfileCommandValidator.cs`
- ✅ `UpdateEmailProfileCommandValidator.cs`
- ✅ `CreateEmailAccountCommandValidator.cs` (conditional OAuth2/password validation)
- ✅ `ProcessEmailCommandValidator.cs` (with attachment validation)

### AutoMapper Profiles (Common/Mappings/)
- ✅ `EmailProfileMappingProfile.cs` (Command→Entity, DTO→Entity, Entity→DTO)
- ✅ `EmailAccountMappingProfile.cs`
- ✅ `EmailHistoryMappingProfile.cs`
- ✅ `EmailAttachmentMappingProfile.cs`

### DI Configuration
- ✅ `DependencyInjection.cs` - Registers MediatR, AutoMapper, FluentValidation

### NuGet Packages
- ✅ Application project has:
  - MediatR 14.2.0
  - AutoMapper.Extensions.Microsoft.DependencyInjection 12.0.1
  - FluentValidation.DependencyInjectionExtensions 12.1.1

---

## 🚧 IN PROGRESS (Phase 3: Infrastructure Layer - 15%)

### RabbitMQ Command Bus (COMPLETED)
- ✅ `RabbitMqConfiguration.cs` - Configuration model
- ✅ `RabbitMqCommandPublisher.cs` - ICommandPublisher implementation
- ✅ `RabbitMqCommandConsumer.cs` - BackgroundService for command consumption
- ✅ `DependencyInjection.cs` - Infrastructure DI with RabbitMQ registration
- ✅ Configuration in `appsettings.json` (Server: 172.24.12.56:5672)

### NuGet Packages (Partial)
- ✅ RabbitMQ.Client 7.2.1
- ✅ Microsoft.Extensions.Hosting 10.0.9
- ✅ Microsoft.Extensions.Options.ConfigurationExtensions 10.0.9

---

## ❌ TODO (Phase 3: Infrastructure Layer - 85%)

### NuGet Packages
- ❌ Microsoft.EntityFrameworkCore.SqlServer
- ❌ Microsoft.EntityFrameworkCore.Tools
- ❌ MailKit
- ❌ MimeKit
- ❌ PdfSharp
- ❌ Microsoft.Identity.Client
- ❌ Microsoft.AspNetCore.DataProtection

### Persistence
- ❌ `EmailProfilerDbContext.cs`
- ❌ EF Core migrations

### Repositories
- ❌ `EmailProfileRepository.cs`
- ❌ `EmailAccountRepository.cs`
- ❌ `EmailHistoryRepository.cs`
- ❌ `EmailProcessRepository.cs`
- ❌ `EmailOutboxRepository.cs`

### External Services
- ❌ `MailKitEmailService.cs` - IMAP/SMTP with OAuth2
- ❌ `PdfSharpProcessingService.cs` - PDF validation and embedded file extraction
- ❌ `WindreamDmsService.cs` - windream DMS integration (COM Interop)
- ❌ `DataProtectionEncryptionService.cs` - Password encryption
- ❌ `InMemoryEmailQueue.cs` - Email queue (Channel-based)

### DI Configuration
- ❌ `DependencyInjection.cs` - Infrastructure layer DI setup

---

## ❌ TODO (Phase 4: API Layer - 0%)

### NuGet Packages
- ❌ Serilog.AspNetCore
- ❌ Serilog.Sinks.File
- ❌ Serilog.Sinks.MSSqlServer
- ❌ Scalar.AspNetCore

### Controllers
- ❌ `EmailProfilesController.cs`
- ❌ `EmailAccountsController.cs`
- ❌ `EmailHistoryController.cs`
- ❌ `DashboardController.cs`

### Background Workers
- ❌ `EmailPollingWorker.cs` - Monitors email accounts
- ❌ `EmailSenderWorker.cs` - Sends queued emails

### Middleware
- ❌ `ExceptionHandlingMiddleware.cs`

### Configuration
- ❌ Update `Program.cs` - Serilog, Scalar, DI, Windows Service support
- ❌ Update `appsettings.json` - Complete configuration

---

## ❌ TODO (Phase 5: Testing - 0%)

### NuGet Packages
- ❌ FakeItEasy
- ❌ Bogus
- ❌ FluentAssertions
- ❌ Microsoft.AspNetCore.Mvc.Testing
- ❌ Testcontainers.MsSql

### Unit Tests
- ❌ Domain entity tests
- ❌ Value object tests
- ❌ MessageIdGenerator tests
- ❌ Command handler tests
- ❌ Query handler tests

### Integration Tests
- ❌ Repository tests (with Testcontainers)
- ❌ API tests (with WebApplicationFactory)

---

## ❌ TODO (Phase 6: Documentation - 0%)

- ❌ `README.md` - Comprehensive documentation in German
  - Application overview
  - API endpoints
  - Workers documentation
  - Database tables
  - Configuration guide
  - Deployment guide (IIS + Windows Service)

---

## Build Status

✅ **Solution builds successfully** (as of 2026-07-07)

```
Build succeeded.
    0 Warning(s)
    0 Error(s)
```

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## Key Files for Reference

- ✅ `agents.md` - Important notes for future development
- ✅ `IMPLEMENTATION_GUIDE.md` - Step-by-step implementation guide
- ✅ `STATUS.md` - This file (current status)
- ❌ `MIGRATION_PLAN.md` - Full migration plan (not created yet)

---

## Next Agent Tasks

**Priority 1**: Complete Application Layer
1. Create all repository interfaces
2. Create all service interfaces
3. Create MediatR commands and handlers
4. Create MediatR queries and handlers
5. Create FluentValidation validators
6. Create AutoMapper profile
7. Create DependencyInjection.cs

**Priority 2**: Complete Infrastructure Layer
1. Add NuGet packages
2. Create EmailProfilerDbContext
3. Create all repositories
4. Create all external services
5. Create DependencyInjection.cs
6. Create initial EF Core migration

**Priority 3**: Complete API Layer
1. Add NuGet packages
2. Update Program.cs
3. Create all controllers
4. Create background workers
5. Update appsettings.json

**Priority 4**: Testing
1. Add test NuGet packages
2. Create unit tests
3. Create integration tests

**Priority 5**: Documentation
1. Create README.md (German)

---

**Total Progress**: ~15% complete
- Phase 1 (Domain): 100% ✅
- Phase 2 (Application): 5% 🚧
- Phase 3 (Infrastructure): 0% ❌
- Phase 4 (API): 0% ❌
- Phase 5 (Testing): 0% ❌
- Phase 6 (Documentation): 0% ❌