Initial commit: ArchStore package manager for Arch Linux

backend/main.py

@@ -0,0 +1,82 @@
+"""
+ArchStore Backend — Main Application
+A lightweight package store API for Arch Linux.
+"""
+
+import sys
+import os
+
+# Add backend directory to path for imports
+sys.path.insert(0, os.path.dirname(__file__))
+
+from contextlib import asynccontextmanager
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from database.db import db
+from api.routes import packages, updates, categories
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    """Application lifecycle: startup and shutdown."""
+    # Startup
+    await db.connect()
+    print("✓ Database connected")
+    print("✓ ArchStore backend ready")
+    yield
+    # Shutdown
+    await db.close()
+    print("✗ Database disconnected")
+
+
+app = FastAPI(
+    title="ArchStore API",
+    description="A lightweight package store API for Arch Linux combining pacman and AUR.",
+    version="1.0.0",
+    lifespan=lifespan,
+)
+
+# CORS — allow frontend dev server
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=[
+        "http://localhost:5173",
+        "http://127.0.0.1:5173",
+        "http://localhost:3000",
+    ],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Mount route modules
+app.include_router(packages.router)
+app.include_router(updates.router)
+app.include_router(categories.router)
+
+
+@app.get("/")
+async def root():
+    """Health check endpoint."""
+    return {
+        "name": "ArchStore API",
+        "version": "1.0.0",
+        "status": "running",
+    }
+
+
+@app.get("/api/health")
+async def health():
+    """Detailed health check."""
+    return {
+        "status": "healthy",
+        "database": "connected",
+        "version": "1.0.0",
+    }
+
+
+@app.post("/api/cache/clear")
+async def clear_cache():
+    """Clear all cached data."""
+    await db.clear_cache()
+    return {"status": "ok", "message": "Cache cleared"}