Sprint 0: Backend, Docker, KI-Layer mit Free/Premium-Trennung

backend/main.py

@@ -0,0 +1,114 @@
+"""
+BAN YARO — FastAPI Hauptanwendung
+"""
+
+import os
+import logging
+from fastapi import FastAPI, Request
+from fastapi.staticfiles import StaticFiles
+from fastapi.responses import FileResponse, JSONResponse
+from contextlib import asynccontextmanager
+
+from database import init_db
+import ki
+
+logging.basicConfig(
+    level   = logging.INFO,
+    format  = "%(asctime)s [%(levelname)s] %(name)s: %(message)s",
+)
+logger = logging.getLogger(__name__)
+
+
+# ------------------------------------------------------------------
+# Startup / Shutdown
+# ------------------------------------------------------------------
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    logger.info("Ban Yaro startet...")
+    init_db()
+    logger.info(f"KI-Modus: {ki.KI_MODE}")
+    yield
+    logger.info("Ban Yaro beendet.")
+
+
+# ------------------------------------------------------------------
+# App
+# ------------------------------------------------------------------
+app = FastAPI(
+    title       = "Ban Yaro API",
+    version     = "0.1.0",
+    lifespan    = lifespan,
+    docs_url    = "/api/docs" if os.getenv("ENV") != "production" else None,
+    redoc_url   = None,
+)
+
+
+# ------------------------------------------------------------------
+# API-Router registrieren (werden nach und nach hinzugefügt)
+# ------------------------------------------------------------------
+from routes.auth   import router as auth_router
+from routes.dogs   import router as dogs_router
+from routes.diary  import router as diary_router
+from routes.health import router as health_router
+from routes.poison import router as poison_router
+from routes.push   import router as push_router
+from routes.ki     import router as ki_router
+
+app.include_router(auth_router,   prefix="/api/auth",   tags=["Auth"])
+app.include_router(dogs_router,   prefix="/api/dogs",   tags=["Hunde"])
+app.include_router(diary_router,  prefix="/api/dogs",   tags=["Tagebuch"])
+app.include_router(health_router, prefix="/api/dogs",   tags=["Gesundheit"])
+app.include_router(poison_router, prefix="/api/poison", tags=["Giftköder"])
+app.include_router(push_router,   prefix="/api/push",   tags=["Push"])
+app.include_router(ki_router,     prefix="/api/ki",     tags=["KI"])
+
+
+# ------------------------------------------------------------------
+# Fehlerbehandlung — einheitliches JSON-Format
+# ------------------------------------------------------------------
+@app.exception_handler(Exception)
+async def global_exception_handler(request: Request, exc: Exception):
+    logger.error(f"Unbehandelter Fehler: {exc}", exc_info=True)
+    return JSONResponse(
+        status_code=500,
+        content={"detail": "Interner Serverfehler."}
+    )
+
+
+# ------------------------------------------------------------------
+# Statische Dateien + SPA-Fallback
+# ------------------------------------------------------------------
+STATIC_DIR = os.path.join(os.path.dirname(__file__), "static")
+
+app.mount("/css",   StaticFiles(directory=f"{STATIC_DIR}/css"),   name="css")
+app.mount("/js",    StaticFiles(directory=f"{STATIC_DIR}/js"),     name="js")
+app.mount("/icons", StaticFiles(directory=f"{STATIC_DIR}/icons"),  name="icons")
+
+@app.get("/manifest.json")
+async def manifest():
+    return FileResponse(f"{STATIC_DIR}/manifest.json")
+
+@app.get("/sw.js")
+async def service_worker():
+    return FileResponse(
+        f"{STATIC_DIR}/sw.js",
+        headers={"Cache-Control": "no-cache, no-store, must-revalidate"}
+    )
+
+# Web Share Target
+@app.post("/share")
+async def share_target(request: Request):
+    # Empfängt geteilte Inhalte vom Handy (Fotos, Links, Text)
+    # Weiterleitung zur App mit den Daten
+    return FileResponse(
+        f"{STATIC_DIR}/index.html",
+        headers={"Cache-Control": "no-cache"}
+    )
+
+# SPA Fallback — ALLE nicht-API-Routen gehen zur index.html
+@app.get("/{full_path:path}")
+async def spa_fallback(full_path: str):
+    return FileResponse(
+        f"{STATIC_DIR}/index.html",
+        headers={"Cache-Control": "no-cache"}
+    )