clean up fastapi

Former-commit-id: 2ebfa0f36a

api/app.py

@@ -1,23 +1,34 @@
-from fastapi import FastAPI, HTTPException
-from swarms.swarms import swarm
+from fastapi import FastAPI, HTTPException, Depends
+from fastapi_cache.decorator import cache
+from fastapi_cache.coder import JsonCoder
+from fastapi_cache import FastAPICache
+from aioredis import Redis
 from pydantic import BaseModel
-
-app = FastAPI()
+from swarms.swarms import swarm
+from fastapi_limiter import FastAPILimiter
+from fastapi_limiter.depends import RateLimiter
 
 class SwarmInput(BaseModel):
-    api_key: set
+    api_key: str
     objective: str
 
+app = FastAPI()
+
+@app.on_event("startup")
+async def startup():
+    redis = Redis(host="localhost", port=6379)
+    FastAPICache.init(RedisBackend(redis), prefix="fastapi-cache", coder=JsonCoder())
+    await FastAPILimiter.init("redis://localhost:6379")
 
-@app.post("/chat")
+@app.post("/chat", dependencies=[Depends(RateLimiter(times=2, minutes=1))])
+@cache(expire=60)  # Cache results for 1 minute
 async def run_swarms(swarm_input: SwarmInput):
     try:
         results = swarm(swarm_input.api_key, swarm_input.objective)
         if not results:
-            raise HTTPException(status_code=500, detaile="Failed to run swarms")
+            raise HTTPException(status_code=500, detail="Failed to run swarms")
         return {"results": results}
     except ValueError as ve:
         raise HTTPException(status_code=400, detail=str(ve))
     except Exception as e:
-        raise HTTPException(status_code=500, detail=str(e))
-    
+        raise HTTPException(status_code=500, detail=str(e))