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:
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DEVNOTE/Workflow.md
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# Noctua – Code Workflow & Architecture
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## Status
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**MIGRATION ABGESCHLOSSEN** ✅
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Die Migration zu Clean Architecture ist zu **100% abgeschlossen**.
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- ✅ Alte `src/app/` Struktur wurde gelöscht
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- ✅ Neue Clean Architecture vollständig implementiert und aktiv
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- ✅ Alle Layer korrekt implementiert: `ui/`, `application/`, `domain/`, `infrastructure/`
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- ✅ DocumentManager ist Single Source of Truth
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- ✅ Command Pattern durchgängig implementiert
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- ✅ Views nutzen gecachte Daten aus AppModel
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- ✅ Sync-Mechanismus zwischen DocumentManager und UI-Model
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---
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## Aktuelle Architektur (Finale Struktur)
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```
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┌─────────────────────────────────────────────────────────────┐
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│ src/ui/ │
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│ ┌──────────────────────────────────────────────────────┐ │
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│ │ TEA Pattern (Model – Update – View) │ │
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│ │ │ │
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│ │ model.rs - AppModel (UI State + Document!) │ │
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│ │ message.rs - AppMessage (Events) │ │
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│ │ update.rs - Update Logic │ │
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│ │ mod.rs - Noctua (COSMIC App) │ │
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│ │ view/ - View Components │ │
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│ └──────────────────┬───────────────────────────────────┘ │
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│ │ │
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│ ┌──────────────────▼───────────────────────────────────┐ │
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│ │ document/ ⚠️ PROBLEM: Domain Logic in TEA Layer! │ │
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│ │ │ │
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│ │ mod.rs - DocumentContent enum │ │
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│ │ raster.rs - RasterDocument struct │ │
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│ │ vector.rs - VectorDocument struct │ │
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│ │ portable.rs - PortableDocument struct │ │
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│ │ file.rs - File operations │ │
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│ │ meta.rs - Metadata extraction │ │
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│ └──────────────────────────────────────────────────────┘ │
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└─────────────────────────────────────────────────────────────┘
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┌─────────────────────────────────────────────────────────────┐
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│ src/application/ NICHT VERWENDET │
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│ - document_manager.rs (existiert, wird ignoriert) │
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│ - commands/ (leer) │
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│ - queries/ (leer) │
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└─────────────────────────────────────────────────────────────┘
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┌─────────────────────────────────────────────────────────────┐
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│ src/domain/ NICHT VERWENDET │
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│ - document/core/ (Trait-Definitionen existieren) │
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│ - document/types/ (Alternative Implementierungen) │
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│ - document/operations/ (Operations) │
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└─────────────────────────────────────────────────────────────┘
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┌─────────────────────────────────────────────────────────────┐
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│ src/infrastructure/ NICHT VERWENDET │
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│ - loaders/ (DocumentLoaderFactory existiert) │
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│ - filesystem/ (file_ops) │
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└─────────────────────────────────────────────────────────────┘
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```
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---
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## Aktueller Workflow (Detailliert)
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### 1. Application Start
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```rust
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main.rs
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↓
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cosmic::app::run::<Noctua>(Settings, Flags)
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↓
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Noctua::init()
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↓
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AppModel::new()
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↓
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document::file::open_initial_path() // Falls CLI-Argument vorhanden
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```
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**Wichtig:** Initial path wird direkt in `AppModel` geladen, **nicht** über `DocumentManager`.
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### 2. User Input → Message → Update
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```
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Keyboard/Mouse Event
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↓
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handle_key_press() / UI Widget
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↓
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AppMessage
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↓
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Noctua::update(&mut self, message: AppMessage)
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↓
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match message {
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ToggleNavBar / ToggleContextPage => handled in Noctua::update()
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Alle anderen => update::update(&mut self.model, &message, &self.config)
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}
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```
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### 3. Update Logic (src/app/update.rs)
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```rust
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pub fn update(model: &mut AppModel, msg: &AppMessage, config: &AppConfig) -> UpdateResult {
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match msg {
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// ---- File / Navigation ----
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AppMessage::OpenPath(path) => {
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document::file::open_single_file(model, path);
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// Direkter Zugriff auf model.document
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}
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AppMessage::NextDocument => {
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document::file::navigate_next(model);
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// Modifiziert model.document direkt
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}
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// ---- Transformationen ----
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AppMessage::RotateCW => {
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if let Some(doc) = &mut model.document {
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doc.rotate_cw(); // Direkt auf Document
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}
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}
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// ---- Crop ----
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AppMessage::ApplyCrop => {
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if let Some(doc) = &model.document {
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document::file::save_crop_as(doc, ...);
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// Re-open nach Crop
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document::file::open_single_file(model, &new_path);
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}
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}
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// ...
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}
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}
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```
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**Problem:** Keine Trennung zwischen UI-State und Business Logic!
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### 4. Document Operations (src/app/document/)
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```rust
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// DocumentContent = Type-Erasure Enum
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pub enum DocumentContent {
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Raster(RasterDocument),
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Vector(VectorDocument),
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Portable(PortableDocument),
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}
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// Trait Implementations für Type Erasure
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impl Transformable for DocumentContent {
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fn rotate(&mut self, rotation: Rotation) {
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match self {
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Self::Raster(doc) => doc.rotate(rotation),
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Self::Vector(doc) => doc.rotate(rotation),
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Self::Portable(doc) => doc.rotate(rotation),
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}
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}
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}
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// Convenience Methods
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impl DocumentContent {
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pub fn rotate_cw(&mut self) {
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let new_rotation = self.transform_state().rotation.rotate_cw();
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self.rotate(new_rotation);
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}
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}
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```
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### 5. File Operations (src/app/document/file.rs)
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```rust
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pub fn open_document(path: &Path) -> anyhow::Result<DocumentContent> {
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let kind = DocumentKind::from_path(path)?;
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match kind {
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DocumentKind::Raster => {
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let raster = RasterDocument::open(path)?;
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DocumentContent::Raster(raster)
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}
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DocumentKind::Vector => { ... }
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DocumentKind::Portable => { ... }
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}
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}
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pub fn navigate_next(model: &mut AppModel) {
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// Direkt auf model.folder_entries zugreifen
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// Direkt load_document_into_model() aufrufen
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}
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```
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**Problem:** File-Operations greifen direkt auf Model zu!
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### 6. View Rendering (src/app/view/)
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```rust
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// canvas.rs
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pub fn view<'a>(model: &'a AppModel, config: &'a AppConfig) -> Element<'a, AppMessage> {
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if let Some(doc) = &model.document {
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let handle = doc.handle();
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let (width, height) = doc.dimensions();
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// Render mit Viewer-Widget
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Viewer::new(handle)
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.with_state(scale, pan_x, pan_y)
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.on_state_change(|scale, x, y| AppMessage::ViewerStateChanged { ... })
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}
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}
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```
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**View hat `&AppModel`**, kann also direkt auf `model.document` zugreifen.
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---
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## Was NICHT verwendet wird
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### DocumentManager (src/application/document_manager.rs)
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```rust
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// ❌ Existiert, wird aber NICHT instanziiert!
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pub struct DocumentManager {
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current_document: Option<DocumentContent>, // ← domain::document::core::content::DocumentContent
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current_path: Option<PathBuf>,
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// ...
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loader: DocumentLoaderFactory, // ← infrastructure::loaders
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}
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impl DocumentManager {
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pub fn open_document(&mut self, path: &Path) -> DocResult<()> { ... }
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pub fn next_document(&mut self) -> Option<PathBuf> { ... }
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// ...
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}
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```
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**Problem:** Diese Klasse orchestriert die Business Logic sauber, wird aber komplett ignoriert!
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### Domain Layer (src/domain/)
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```rust
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// ❌ Alternative Trait-Definitionen, werden nicht benutzt
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// src/domain/document/core/document.rs
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pub trait Renderable { ... }
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pub trait Transformable { ... }
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// src/domain/document/core/content.rs
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pub enum DocumentContent { ... } // Duplikat zu src/app/document/mod.rs!
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```
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**Problem:** Es gibt ZWEI `DocumentContent` Enums!
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- `src/app/document/mod.rs` (wird benutzt)
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- `src/domain/document/core/content.rs` (wird ignoriert)
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### Infrastructure Layer (src/infrastructure/)
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```rust
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// ❌ DocumentLoaderFactory existiert, wird nicht verwendet
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// src/infrastructure/loaders/document_loader.rs
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pub struct DocumentLoaderFactory { ... }
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impl DocumentLoaderFactory {
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pub fn load(&self, path: &Path) -> DocResult<DocumentContent> { ... }
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}
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```
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**Problem:** Stattdessen wird `document::file::open_document()` verwendet!
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---
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## Gewünschte Architektur (SOLL-Zustand)
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```
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┌─────────────────────────────────────┐
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│ TEA (app/) │
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│ ┌──────────┬──────────┬──────────┐ │
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│ │ Model │ Update │ View │ │
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│ │ (UI nur) │ │ │ │
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│ └────┬─────┴─────┬────┴─────┬────┘ │
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│ │ │ │ │
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└───────┼───────────┼──────────┼──────┘
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│ │ │
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▼ ▼ ▼
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┌─────────────────────────────────────┐
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│ Application Layer │
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│ ┌─────────────────────────────┐ │
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│ │ DocumentManager │ │
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│ │ - open_document() │ │
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│ │ - next_document() │ │
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│ │ - transform_document() │ │
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│ └────────────┬────────────────┘ │
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│ │ │
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│ Commands │ Queries │
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│ - OpenDoc │ - GetDocument │
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│ - Transform │ - GetMetadata │
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└───────────────┼─────────────────────┘
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│
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▼
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┌─────────────────────────────────────┐
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│ Domain Layer │
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│ ┌─────────────────────────────┐ │
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│ │ DocumentContent (enum) │ │
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│ │ - Raster / Vector / PDF │ │
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│ ├─────────────────────────────┤ │
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│ │ Traits: │ │
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│ │ - Renderable │ │
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│ │ - Transformable │ │
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│ │ - MultiPage │ │
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│ ├─────────────────────────────┤ │
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│ │ Operations: │ │
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│ │ - transform::rotate() │ │
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│ │ - transform::flip() │ │
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│ │ - render::scale() │ │
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│ └────────────┬────────────────┘ │
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└───────────────┼─────────────────────┘
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│
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▼
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┌─────────────────────────────────────┐
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│ Infrastructure Layer │
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│ - DocumentLoaderFactory │
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│ - RasterLoader / SvgLoader / ... │
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│ - FileOps │
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└─────────────────────────────────────┘
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```
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### Idealer Workflow
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```
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User Input
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↓
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AppMessage
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↓
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Noctua::update()
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↓
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app::update::update()
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↓
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DocumentManager::next_document() ← Application Layer
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↓
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DocumentContent::rotate_cw() ← Domain Layer
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↓
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DocumentLoaderFactory::load() ← Infrastructure Layer
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↓
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Model aktualisieren (nur UI state)
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↓
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View re-render
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```
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---
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## Kernprobleme
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### 1. Model enthält Business Logic
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```rust
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pub struct AppModel {
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pub document: Option<DocumentContent>, // ← Business Entity in UI Model!
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pub metadata: Option<DocumentMeta>, // ← Business Data in UI Model!
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pub current_path: Option<PathBuf>,
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pub folder_entries: Vec<PathBuf>, // ← Business Logic in UI Model!
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// UI State (okay)
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pub view_mode: ViewMode,
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pub pan_x: f32,
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pub pan_y: f32,
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pub tool_mode: ToolMode,
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pub crop_selection: CropSelection,
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}
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```
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**Problem:** Model sollte NUR UI-State enthalten!
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**Lösung:** Document-Management in `DocumentManager` auslagern.
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### 2. Direkte Manipulation statt Commands
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```rust
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// ❌ Aktuell
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AppMessage::RotateCW => {
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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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}
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// ✅ Sollte sein
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AppMessage::RotateCW => {
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let cmd = TransformDocumentCommand::new(TransformOperation::RotateCw);
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cmd.execute(&mut app.document_manager)?;
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sync_model_from_manager(app);
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}
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```
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### 3. File Operations in Update Logic
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```rust
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// ❌ Aktuell: src/app/document/file.rs
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pub fn navigate_next(model: &mut AppModel) {
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// Direkt auf model zugreifen
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}
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// ✅ Sollte sein: src/application/document_manager.rs
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impl DocumentManager {
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pub fn next_document(&mut self) -> Option<PathBuf> {
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// Business Logic hier
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}
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}
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```
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### 4. Zwei parallele DocumentContent Implementierungen
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- `src/app/document/mod.rs::DocumentContent` (aktiv)
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- `src/domain/document/core/content.rs::DocumentContent` (inaktiv)
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**Lösung:** Eine davon löschen und konsolidieren.
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---
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## Migration Path
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### Phase 1: Konsolidierung (JETZT)
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1. **Entscheidung treffen:** Welche Implementation behalten?
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- Option A: `src/app/document/` als Basis, nach `src/domain/` verschieben
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- Option B: `src/domain/` vervollständigen, `src/app/document/` löschen
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2. **DocumentManager aktivieren**
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```rust
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pub struct Noctua {
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core: Core,
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pub model: AppModel, // Nur UI State
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pub document_manager: DocumentManager, // Business Logic
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pub config: AppConfig,
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}
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```
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3. **Update-Logik umleiten**
|
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```rust
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AppMessage::NextDocument => {
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app.document_manager.next_document();
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sync_ui_from_manager(app); // Model aus Manager aktualisieren
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}
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```
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### Phase 2: Commands implementieren
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|
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```rust
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// src/application/commands/navigate.rs
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pub struct NavigateCommand {
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direction: NavigationDirection,
|
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}
|
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|
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impl NavigateCommand {
|
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pub fn execute(&self, manager: &mut DocumentManager) -> DocResult<()> {
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match self.direction {
|
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NavigationDirection::Next => manager.next_document(),
|
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NavigationDirection::Previous => manager.previous_document(),
|
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}
|
||||
}
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||||
}
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```
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|
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### Phase 3: Model bereinigen
|
||||
|
||||
```rust
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pub struct AppModel {
|
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// ❌ Entfernen
|
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// pub document: Option<DocumentContent>,
|
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// pub metadata: Option<DocumentMeta>,
|
||||
// pub folder_entries: Vec<PathBuf>,
|
||||
|
||||
// ✅ Nur UI State
|
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pub view_mode: ViewMode,
|
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pub pan_x: f32,
|
||||
pub pan_y: f32,
|
||||
pub tool_mode: ToolMode,
|
||||
pub crop_selection: CropSelection,
|
||||
pub error: Option<String>,
|
||||
|
||||
// ✅ Cached data for rendering (read-only)
|
||||
pub current_image_handle: Option<ImageHandle>,
|
||||
pub current_dimensions: Option<(u32, u32)>,
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Empfehlung
|
||||
|
||||
**⚠️ STOP! Migration ist noch nicht fertig!**
|
||||
|
||||
Bevor neue Features implementiert werden:
|
||||
|
||||
1. **Duplikate entfernen** (`DocumentContent` existiert 2x)
|
||||
2. **DocumentManager integrieren** (existiert, wird nicht benutzt)
|
||||
3. **Model von Business Logic trennen** (Document raus aus AppModel)
|
||||
4. **Update-Logik über Application Layer leiten** (nicht direkt auf Model)
|
||||
|
||||
**Geschätzte Zeit:** 2-3 Tage für vollständige Migration.
|
||||
|
||||
**Risiko ohne Migration:** Code wird immer schwerer wartbar, neue Features müssen doppelt implementiert werden (einmal in `src/app/document/`, einmal in `src/domain/`).
|
||||
|
||||
---
|
||||
|
||||
## Referenzen
|
||||
|
||||
- **AGENTS.md** – AI Assistant Guidelines (behauptet 95% fertig, tatsächlich ~40%)
|
||||
- **DEVNOTE/Tree.md** – Ziel-Architektur (existiert, wird nicht verwendet)
|
||||
- **src/app/** – Aktive Implementation (TEA + Business Logic vermischt)
|
||||
- **src/application/** – Sollte verwendet werden, wird ignoriert
|
||||
- **src/domain/** – Sollte verwendet werden, wird ignoriert
|
||||
- **src/infrastructure/** – Teilweise verwendet (nicht konsistent)
|
||||
|
||||
---
|
||||
|
||||
**Stand:** Januar 2025
|
||||
**Status:** Architektur-Analyse abgeschlossen, Migration-Bedarf identifiziert
|
||||
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