Complete Clean Architecture migration
Phase 1-7: Full migration from src/app/ to Clean Architecture
BREAKING CHANGES:
- Removed src/app/ (old TEA-style implementation)
- Removed src/constant.rs (constants now local to modules)
- Removed deprecated canvas_to_image_coords functions
NEW STRUCTURE:
- src/ui/ - UI Layer (COSMIC interface)
- src/application/ - Application Layer (DocumentManager, Commands)
- src/domain/ - Domain Layer (Document types, Operations)
- src/infrastructure/ - Infrastructure Layer (Loaders, Cache, System)
FEATURES:
- DocumentManager as Single Source of Truth
- Command Pattern for all operations
- Model caching for render data (performance)
- Sync mechanism between DocumentManager and UI Model
- Wallpaper support (COSMIC, KDE, GNOME, feh)
- Thumbnail cache with disk persistence
IMPROVEMENTS:
- Warnings: 62 → 43 (-31%)
- Deprecated warnings: 2 → 0 (-100%)
- Code removed: src/app/ (~2000 lines), constant.rs, deprecated functions
- Better Locality of Reference (constants local to modules)
- Clean separation of concerns
- No circular dependencies
DOCUMENTATION:
- Updated AGENTS.md (100% migration status)
- Updated README.md (architecture section)
- Updated Workflow.md
- Added Migration-Plan.md with full completion summary
TESTS:
- All 41 tests passing
- Build successful (0 errors, 43 warnings)
- Release build verified
Migration Status: ✅ 100% Complete
This commit is contained in:
wfx
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MIGRATION.md
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MIGRATION.md
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# Noctua Architecture Migration - Completion Guide
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## 📊 Migration Status: 95% Complete ✅
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Die neue Clean Architecture Struktur nach `DEVNOTE/Tree.md` ist implementiert und funktionsfähig. **Alle Compiler-Fehler wurden behoben!** Das Projekt kompiliert erfolgreich mit 0 Errors und 121 Warnings.
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**Noch offene Punkte:**
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- DocumentContent implementiert noch kein Clone (model.document ist temporär None)
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- Thumbnail-Generation muss neu integriert werden
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- Crop-Command vollständig implementieren
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- View-Layer auf DocumentManager-Zugriff umstellen
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---
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## ✅ Abgeschlossen
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### 1. Domain Layer (100% ✓)
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```
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src/domain/
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├── document/
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│ ├── core/ # Traits, Types, Metadata
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│ │ ├── document.rs # Renderable, Transformable, MultiPage traits
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│ │ ├── content.rs # DocumentContent enum (type erasure)
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│ │ ├── metadata.rs # BasicMeta, ExifMeta, DocumentMeta
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│ │ └── page.rs # Page abstraction
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│ ├── types/ # Concrete implementations
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│ │ ├── raster.rs # RasterDocument
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│ │ ├── vector.rs # VectorDocument
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│ │ └── portable.rs # PortableDocument (PDF)
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│ ├── operations/ # Document operations
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│ │ ├── transform.rs # Rotate, flip, crop (high-level + low-level)
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│ │ ├── render.rs # Scaling, fitting, image handles
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│ │ └── export.rs # Export to various formats
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│ └── collection.rs # DocumentCollection
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├── viewport/ # Viewport management
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│ ├── viewport.rs # Viewport state (pan, zoom, view mode)
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│ ├── camera.rs # Camera controls
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│ └── bounds.rs # Bounding box calculations
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└── errors.rs # DomainError types
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```
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**Key Achievements:**
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- ✅ Trait-basierte Abstraktion (Renderable, Transformable, MultiPage)
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- ✅ Type-Erasure via DocumentContent enum
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- ✅ High-Level Operations (type-agnostic transforms)
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- ✅ Low-Level Operations (internal, `pub(crate)`)
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- ✅ Viewport mit Camera und Bounds
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- ✅ Comprehensive tests
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### 2. Infrastructure Layer (100% ✓)
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```
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src/infrastructure/
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├── loaders/
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│ ├── document_loader.rs # DocumentLoaderFactory
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│ ├── raster_loader.rs
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│ ├── svg_loader.rs
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│ └── pdf_loader.rs
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├── cache/
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│ └── thumbnail_cache.rs # Thumbnail caching
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└── filesystem/
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└── file_ops.rs # File operations
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```
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**Key Achievements:**
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- ✅ Factory Pattern für Document Loading
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- ✅ Loader pro Dokumenttyp
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- ✅ Thumbnail Cache mit Disk-Storage
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- ✅ Format-Detection
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### 3. Application Layer (100% ✓)
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```
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src/application/
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├── document_manager.rs # Central document management
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├── commands/
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│ ├── navigate.rs # Next/previous document
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│ ├── open_document.rs
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│ ├── save_document.rs
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│ └── transform_document.rs # Uses high-level transform operations
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├── queries/
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│ ├── get_document.rs
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│ └── get_page.rs
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└── services/
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├── cache_service.rs
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└── preview_service.rs
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```
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**Key Achievements:**
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- ✅ DocumentManager als zentrale Orchestrierung
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- ✅ Command Pattern für Operationen
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- ✅ Query Pattern für Read-Only Zugriffe
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- ✅ Services für Cache und Previews
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### 4. UI Layer (80% ✓)
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```
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src/ui/
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├── app/
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│ ├── app.rs # NoctuaApp (cosmic::Application)
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│ ├── model.rs # AppModel
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│ ├── message.rs # AppMessage
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│ └── update.rs # Update logic (NEEDS WORK)
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├── views/ # View components (copied, imports fixed)
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│ ├── mod.rs
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│ ├── canvas.rs
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│ ├── header.rs
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│ ├── footer.rs
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│ └── panels/
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└── components/ # Reusable widgets
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└── crop/ # Crop overlay (copied, imports fixed)
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```
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**Status:**
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- ✅ Struktur erstellt
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- ✅ Dateien verschoben
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- ✅ Imports vollständig korrigiert
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- ✅ `update.rs` refactored - verwendet jetzt Commands
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- ✅ `app.rs` mit DocumentManager Integration
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- ⚠️ Views müssen auf DocumentManager-Zugriff umgestellt werden
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---
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## 🔧 Verbleibende Arbeiten
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### ✅ Abgeschlossen: UI Update Logic refactored
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**Status:** Vollständig implementiert! `src/ui/app/update.rs` verwendet jetzt DocumentManager und Commands.
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**Implementierte Messages:**
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- ✅ `OpenPath` - Verwendet `document_manager.open_document()`
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- ✅ `NextDocument` - Verwendet `document_manager.next_document()`
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- ✅ `PrevDocument` - Verwendet `document_manager.previous_document()`
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- ✅ `RotateCW/CCW` - Verwendet `TransformDocumentCommand`
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- ✅ `FlipHorizontal/Vertical` - Verwendet `TransformDocumentCommand`
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- ⚠️ `ApplyCrop` - Temporär deaktiviert (needs CropDocumentCommand)
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- ⚠️ `SaveAs` - Temporär deaktiviert (needs file dialog)
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#### ✅ Schritt 1: DocumentManager zu NoctuaApp hinzugefügt
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```rust
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// In src/ui/app/app.rs - IMPLEMENTIERT
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use crate::application::DocumentManager;
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pub struct NoctuaApp {
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core: Core,
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pub model: AppModel,
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nav: nav_bar::Model,
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context_page: ContextPage,
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pub config: AppConfig,
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config_handler: Option<cosmic_config::Config>,
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// ✅ DocumentManager integriert
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pub document_manager: DocumentManager,
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}
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impl cosmic::Application for NoctuaApp {
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fn init(mut core: Core, flags: Self::Flags) -> (Self, Task<Action<Self::Message>>) {
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// ...
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let document_manager = DocumentManager::new();
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// Initial document öffnen (falls vorhanden)
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let init_task = if let Some(path) = initial_path {
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let mut manager = document_manager.clone();
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Task::perform(
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async move {
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manager.open_document(&path).ok();
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()
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},
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|_| Action::App(AppMessage::RefreshView)
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)
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} else {
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Task::none()
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};
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let app = Self {
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// ...
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document_manager,
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};
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(app, init_task)
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}
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}
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```
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#### ✅ Schritt 2: Update-Funktionen umgeschrieben
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**Implementierungsstatus:** Vollständig refactored!
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```rust
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// In src/ui/app/update.rs - IMPLEMENTIERT
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pub fn update(app: &mut NoctuaApp, msg: &AppMessage) -> UpdateResult {
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match message {
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// Navigation
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AppMessage::NextDocument => {
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if let Some(path) = self.document_manager.next_document() {
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self.sync_model_from_manager();
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self.model.reset_pan();
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self.model.view_mode = ViewMode::Fit;
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}
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}
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AppMessage::PrevDocument => {
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if let Some(path) = self.document_manager.previous_document() {
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self.sync_model_from_manager();
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self.model.reset_pan();
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self.model.view_mode = ViewMode::Fit;
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}
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}
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// Transformationen
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AppMessage::RotateCW => {
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use crate::application::commands::transform_document::{
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TransformDocumentCommand, TransformOperation
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};
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let cmd = TransformDocumentCommand::new(TransformOperation::RotateCw);
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if let Err(e) = cmd.execute(&mut self.document_manager) {
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self.model.set_error(format!("Rotation failed: {}", e));
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} else {
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self.sync_model_from_manager();
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}
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}
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AppMessage::FlipHorizontal => {
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use crate::application::commands::transform_document::{
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TransformDocumentCommand, TransformOperation
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};
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let cmd = TransformDocumentCommand::new(TransformOperation::FlipHorizontal);
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if let Err(e) = cmd.execute(&mut self.document_manager) {
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self.model.set_error(format!("Flip failed: {}", e));
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} else {
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self.sync_model_from_manager();
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}
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}
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// ... weitere Messages
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}
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Task::none()
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}
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// Helper: Sync AppModel from DocumentManager
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fn sync_model_from_manager(&mut self) {
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if let Some(doc) = self.document_manager.current_document() {
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self.model.document = Some(doc.clone());
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self.model.current_dimensions = doc.dimensions();
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self.model.metadata = self.document_manager.current_metadata().cloned();
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self.model.current_path = self.document_manager.current_path().map(|p| p.to_path_buf());
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} else {
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self.model.document = None;
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self.model.current_dimensions = (0, 0);
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self.model.metadata = None;
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self.model.current_path = None;
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}
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}
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}
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```
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### Priorität 2: Fehlende Funktionen implementieren (Teilweise)
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#### 2.1 Crop-Funktion
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```rust
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// In src/application/commands/crop_document.rs (NEU erstellen)
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use crate::domain::document::operations::transform::crop_image;
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pub struct CropDocumentCommand {
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pub x: u32,
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pub y: u32,
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pub width: u32,
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pub height: u32,
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}
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impl CropDocumentCommand {
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pub fn execute(&self, manager: &mut DocumentManager) -> DocResult<()> {
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let document = manager.current_document_mut()
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.ok_or_else(|| anyhow::anyhow!("No document loaded"))?;
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// Get underlying image (nur für RasterDocument)
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match document {
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DocumentContent::Raster(ref mut raster) => {
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let img = raster.image();
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let cropped = crop_image(img, self.x, self.y, self.width, self.height)
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.ok_or_else(|| anyhow::anyhow!("Invalid crop region"))?;
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// Create new RasterDocument from cropped image
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// TODO: Implement replacement logic
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}
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_ => {
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return Err(anyhow::anyhow!("Crop only supported for raster images"));
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}
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}
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Ok(())
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}
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}
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```
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#### 2.2 Save-As-Funktion
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```rust
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// In src/application/commands/save_document.rs (bereits vorhanden, erweitern)
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impl SaveDocumentCommand {
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pub fn execute(&self, manager: &DocumentManager, path: &Path) -> DocResult<()> {
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let document = manager.current_document()
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.ok_or_else(|| anyhow::anyhow!("No document loaded"))?;
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let format = self.format
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.or_else(|| ExportFormat::from_path(path))
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.ok_or_else(|| anyhow::anyhow!("Could not determine export format"))?;
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// Get rendered image
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match document {
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DocumentContent::Raster(raster) => {
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let img = raster.image();
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export_image(img, path, format, &ImageExportOptions::default())?;
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}
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DocumentContent::Vector(vector) => {
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// TODO: Implement vector export
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return Err(anyhow::anyhow!("Vector export not yet implemented"));
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}
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DocumentContent::Portable(portable) => {
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// TODO: Implement PDF export
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return Err(anyhow::anyhow!("PDF export not yet implemented"));
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}
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}
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Ok(())
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}
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}
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```
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### Priorität 3: View-Dateien anpassen
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Die meisten Views sollten funktionieren, aber einige müssen möglicherweise angepasst werden:
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```bash
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# Überprüfe verbleibende Fehler in Views
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cargo check 2>&1 | grep "src/ui/views"
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# Typische Fixes:
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# - `crate::app::document::*` → `crate::domain::document::*`
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# - `crate::app::model::*` → `crate::ui::app::model::*`
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# - `super::super::*` → `crate::ui::*` oder `crate::domain::*`
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```
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---
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## 🎯 Architektur-Entscheidungen
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### 1. Zwei-Ebenen Transformationen
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**High-Level (Public API):**
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```rust
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// Type-agnostic, funktioniert mit allen Dokumenttypen
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use crate::domain::document::operations::transform;
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transform::rotate_document_cw(&mut document)?;
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transform::flip_document_horizontal(&mut document)?;
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```
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**Low-Level (Internal):**
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```rust
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// pub(crate) - nur in Document-Type-Implementierungen
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fn rotate(&mut self, rotation: Rotation) {
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self.image = apply_rotation(self.image, rotation);
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}
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```
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**Regel:** Verwende IMMER High-Level Operationen in Application/UI Code!
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### 2. DocumentManager als Single Source of Truth
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```rust
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// ❌ NICHT: Direkter Zugriff auf model.document
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if let Some(doc) = &mut model.document {
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doc.rotate_cw();
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}
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// ✅ JA: Über DocumentManager
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let cmd = TransformDocumentCommand::new(TransformOperation::RotateCw);
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cmd.execute(&mut self.document_manager)?;
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self.sync_model_from_manager();
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```
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### 3. Commands für alle Operationen
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```rust
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// Jede Operation sollte ein Command haben
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use crate::application::commands::*;
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// Navigation
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NavigateCommand::new(NavigationDirection::Next).execute(&mut manager)?;
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// Transformationen
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TransformDocumentCommand::new(TransformOperation::RotateCw).execute(&mut manager)?;
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|
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// Öffnen
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OpenDocumentCommand::new().execute(&mut manager, &path)?;
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```
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---
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## 🔍 Debugging-Hilfe
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|
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### Compiler-Fehler beheben
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|
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```bash
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# Alle Fehler anzeigen
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cargo check 2>&1 | less
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# Nur Import-Fehler
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cargo check 2>&1 | grep "unresolved import"
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|
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# Fehler nach Datei gruppiert
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cargo check 2>&1 | grep "^ -->" | sort | uniq -c
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```
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|
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### Typische Fehlerquellen
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|
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1. **`unresolved import crate::app::`**
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- Fix: `crate::app::` → `crate::ui::app::` oder `crate::domain::`
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|
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2. **`could not find utils in super`**
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- Fix: `super::utils::` → `crate::domain::document::operations::transform::`
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3. **`no document in ui::app`**
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- Fix: `super::document` → `crate::domain::document`
|
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|
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4. **`AppModel not in scope in update.rs`**
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- Fix: Add `use super::model::AppModel;`
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|
||||
---
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## 📝 Testing
|
||||
|
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Nach dem Refactoring:
|
||||
|
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```bash
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# Build
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cargo build --release
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|
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# Run
|
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cargo run -- /path/to/image.png
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|
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# Tests
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cargo test
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|
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# Clippy
|
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cargo clippy -- -W clippy::pedantic
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```
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|
||||
---
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||||
|
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## 🎉 Nach Abschluss
|
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|
||||
Die neue Architektur bietet:
|
||||
|
||||
1. **Klare Separation of Concerns**
|
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- Domain = Geschäftslogik
|
||||
- Application = Use Cases
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||||
- Infrastructure = Externe Dependencies
|
||||
- UI = COSMIC Interface
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|
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2. **Testbarkeit**
|
||||
- Domain ohne UI testbar
|
||||
- Commands isoliert testbar
|
||||
- Loaders austauschbar
|
||||
|
||||
3. **Erweiterbarkeit**
|
||||
- Neue Dokumenttypen (DJVU, EPUB) einfach hinzufügbar
|
||||
- Neue Operationen folgen klarem Pattern
|
||||
- Plugin-System möglich
|
||||
|
||||
4. **Wartbarkeit**
|
||||
- Single Responsibility per Modul
|
||||
- Type-safe Abstractions
|
||||
- Future-proof für IrfanView-Features
|
||||
|
||||
---
|
||||
|
||||
## 📚 Referenzen
|
||||
|
||||
- **Tree.md** - Ziel-Architektur
|
||||
- **AGENTS.md** - Wird nach Abschluss aktualisiert
|
||||
- **operations/README.md** - Dokumentation der Transform-Operations
|
||||
- **Clean Architecture** - Uncle Bob Martin
|
||||
- **Domain-Driven Design** - Eric Evans
|
||||
|
||||
---
|
||||
|
||||
## ✅ Checkliste
|
||||
|
||||
- [x] Domain Layer vollständig implementiert
|
||||
- [x] Infrastructure Layer vollständig implementiert
|
||||
- [x] Application Layer vollständig implementiert
|
||||
- [x] UI Struktur erstellt und Dateien verschoben
|
||||
- [x] High-Level/Low-Level Transform Operations getrennt
|
||||
- [x] DocumentManager in NoctuaApp integrieren ✅
|
||||
- [x] update.rs refactoren (alle Messages) ✅
|
||||
- [x] Alle Compiler-Fehler beheben (0 errors!) ✅
|
||||
- [ ] DocumentContent Clone implementieren
|
||||
- [ ] Crop-Command vollständig implementieren
|
||||
- [ ] Save-As mit File-Dialog erweitern
|
||||
- [ ] Thumbnail-Generation neu integrieren
|
||||
- [ ] Tests aktualisieren
|
||||
- [ ] AGENTS.md aktualisieren
|
||||
- [ ] Smoke-Test durchführen
|
||||
|
||||
**Geschätzte Zeit bis Completion:** 2-3 Stunden focused work
|
||||
|
||||
---
|
||||
|
||||
## 🎊 Erfolge dieser Session
|
||||
|
||||
### Implementierte Änderungen
|
||||
|
||||
1. **DocumentManager Integration** ✅
|
||||
- `NoctuaApp` enthält jetzt `document_manager: DocumentManager`
|
||||
- Initial document loading beim App-Start
|
||||
- `sync_model_from_manager()` Helper-Funktion
|
||||
|
||||
2. **Update Logic Refactoring** ✅
|
||||
- Alle Navigation-Messages verwenden DocumentManager
|
||||
- Alle Transform-Messages verwenden `TransformDocumentCommand`
|
||||
- Borrowing-Probleme durch direkte `app.model` Zugriffe gelöst
|
||||
|
||||
3. **Trait-Implementierungen korrigiert** ✅
|
||||
- `MultiPageThumbnails` trait signatures angepasst
|
||||
- `thumbnails_loaded()` gibt jetzt `bool` zurück
|
||||
- `generate_thumbnail_page()` gibt `DocResult<()>` zurück
|
||||
- `GenericImageView` trait imports hinzugefügt
|
||||
|
||||
4. **Import-Struktur bereinigt** ✅
|
||||
- DragHandle-Duplikate konsolidiert (components vs views)
|
||||
- CropSelection verwendet jetzt components-Version
|
||||
- Renderable trait richtig in Scope gebracht
|
||||
|
||||
5. **File Operations umstrukturiert** ✅
|
||||
- Alte AppModel-abhängige Funktionen deprecated
|
||||
- DocumentManager übernimmt File-Loading
|
||||
- Navigation über DocumentManager-Methoden
|
||||
|
||||
### Bekannte Limitierungen
|
||||
|
||||
**DocumentContent Clone:**
|
||||
- `DocumentContent` implementiert noch kein `Clone`
|
||||
- Grund: `PortableDocument` enthält nicht-cloneable `PopplerDocument`
|
||||
- Workaround: `model.document` ist temporär `None`
|
||||
- Langfristig: Model sollte nur Metadaten halten, nicht Document selbst
|
||||
|
||||
**Thumbnail-Generation:**
|
||||
- Temporär deaktiviert wegen fehlendem document in model
|
||||
- Muss über DocumentManager neu implementiert werden
|
||||
- `get_thumbnail()` benötigt `&mut self`, aber Views haben `&self`
|
||||
|
||||
**Crop Operation:**
|
||||
- Command-Struktur vorhanden, aber Implementierung incomplete
|
||||
- Benötigt coordinate transformation und image manipulation
|
||||
- UI zeigt Placeholder-Fehler
|
||||
|
||||
### Kompilierungsstatus
|
||||
|
||||
```
|
||||
✅ 0 Errors
|
||||
⚠️ 121 Warnings (mostly unused code and imports)
|
||||
```
|
||||
|
||||
**Geschätzte Zeit bis Completion:** 2-3 Stunden für verbleibende Features
|
||||
|
||||
Viel Erfolg! 🚀
|
||||
Loading…
Add table
Add a link
Reference in a new issue