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Aniworld/docs/diagrams/system-architecture.mmd
Lukas 6d30747f25 Fix stale data file updates on download completion
When episodes are downloaded successfully, the in-memory Serie.episodeDict
is updated, but the deprecated data file was not being synced. This caused
UI to show episodes as missing when already downloaded.

Changes:
- Update data file in _remove_episode_from_memory when download completes
- DB is authoritative; data file is optional backup (deprecated)
- Gracefully skip update if data file doesn't exist

New integration tests for episode download sync:
- Verify episode removed from missing list after download
- Verify in-memory cache updated after download
- Verify data file updated after download (when it exists)
- Verify downloads work without data file
2026-05-26 18:57:04 +02:00

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%%{init: {'theme': 'base', 'themeVariables': { 'primaryColor': '#4a90d9'}}}%%
flowchart TB
subgraph Clients["Client Layer"]
Browser["Web Browser<br/>(HTML/CSS/JS)"]
CLI["CLI Client<br/>(Main.py)"]
end
subgraph Server["Server Layer (FastAPI)"]
direction TB
Middleware["Middleware<br/>Auth, Rate Limit, Error Handler"]
subgraph API["API Routers"]
AuthAPI["/api/auth"]
AnimeAPI["/api/anime"]
QueueAPI["/api/queue"]
ConfigAPI["/api/config"]
SchedulerAPI["/api/scheduler"]
HealthAPI["/health"]
WebSocketAPI["/ws"]
end
subgraph Services["Services"]
AuthService["AuthService"]
AnimeService["AnimeService"]
DownloadService["DownloadService"]
ConfigService["ConfigService"]
ProgressService["ProgressService"]
WebSocketService["WebSocketService"]
end
end
subgraph Core["Core Layer"]
SeriesApp["SeriesApp"]
SeriesCache["SeriesCache<br/>(In-Memory)"]
SerieScanner["SerieScanner"]
SerieList["SerieList"]
end
subgraph Data["Data Layer"]
SQLite[("SQLite<br/>aniworld.db")]
ConfigJSON[(config.json)]
FileSystem[(File System<br/>Anime Episodes)]
LegacyFiles[("Legacy Files<br/>key/data<br/>(Deprecated)")]
end
subgraph External["External"]
Provider["Anime Provider<br/>(aniworld.to)"]
end
%% Client connections
Browser -->|HTTP/WebSocket| Middleware
CLI -->|Direct| SeriesApp
%% Middleware to API
Middleware --> API
%% API to Services
AuthAPI --> AuthService
AnimeAPI --> AnimeService
QueueAPI --> DownloadService
ConfigAPI --> ConfigService
SchedulerAPI --> AnimeService
WebSocketAPI --> WebSocketService
%% Services to Core
AnimeService --> SeriesApp
DownloadService --> SeriesApp
%% Services to Data
AuthService --> ConfigJSON
ConfigService --> ConfigJSON
DownloadService --> SQLite
AnimeService --> SQLite
%% Core to Data
SeriesApp --> SeriesCache
SeriesCache -.->|Cached Series| SQLite
SeriesApp --> SerieScanner
SeriesApp --> SerieList
SerieScanner -->|Scan Episodes| FileSystem
SerieScanner -->|Detect Series| SQLite
SerieScanner -->|Migrate Legacy| LegacyFiles
SerieScanner --> Provider
%% Event flow
ProgressService -.->|Events| WebSocketService
DownloadService -.->|Progress| ProgressService
WebSocketService -.->|Broadcast| Browser