implement S3 garage on the backend

apps/backend/app/routers/media.py

@@ -1,16 +1,20 @@
+from urllib.parse import unquote
 from botocore.exceptions import ClientError
 from fastapi import APIRouter, HTTPException
 from fastapi.responses import StreamingResponse
 
 from app.s3 import BUCKET_NAME, s3_client
 
-router = APIRouter(prefix="/media", tags=["Media"])
+router = APIRouter(prefix="/media", tags=["media"])
 
 
 @router.get("/{file_path:path}")
 async def get_media(file_path: str):
+    decoded_path = unquote(file_path)
+    clean_key = decoded_path.lstrip("/")
+
     try:
-        s3_object = s3_client.get_object(Bucket=BUCKET_NAME, Key=file_path)
+        s3_object = s3_client.get_object(Bucket=BUCKET_NAME, Key=clean_key)
 
         return StreamingResponse(
             content=s3_object["Body"].iter_chunks(),
@@ -18,6 +22,12 @@ async def get_media(file_path: str):
             headers={"Cache-Control": "public, max-age=86400"},
         )
     except ClientError as e:
-        if e.response["Error"]["Code"] in ["NoSuchKey", "404"]:
-            raise HTTPException(status_code=404, detail="Fichier introuvable")
-        raise HTTPException(status_code=500, detail="Erreur serveur S3")
+        error_code = e.response["Error"]["Code"]
+        if error_code in ["NoSuchKey", "404"]:
+            raise HTTPException(
+                status_code=404,
+                detail=f"Fichier introuvable sur S3 pour la clé : '{clean_key}'",
+            )
+        raise HTTPException(
+            status_code=500, detail=f"Erreur serveur S3: {str(e)}"
+        )