Allowing to retrieve data only once

src/rectes/main.py

@@ -1,4 +1,5 @@
 from fastapi import FastAPI
+from fastapi.exceptions import HTTPException
 
 from rectes.models import Secret, SecretSaveResult
 from rectes.redis_db import redis
@@ -18,8 +19,18 @@ async def set_secret(data: Secret):
     }
 
 
-@app.get("/secret/{secret_key}", response_model=Secret)
+@app.get(
+    "/secret/{secret_key}",
+    response_model=Secret,
+    responses={404: {"description": "The item was not found"}},
+)
 async def get_secret(secret_key):
+    data = await redis.get(secret_key)
+
+    if data is None:
+        raise HTTPException(404)
+
+    await redis.delete(secret_key)
     return {
-        "data": await redis.get(secret_key),
+        "data": data,
     }