feat: separate sql

backend/app/routers/rankings.py

@@ -11,6 +11,11 @@ from app.schemas import RankingResponse
 
 router = APIRouter()
 
+SAMPLE_JOIN = (
+    f" inner join {settings.ELO_SCHEMA}.sample_listings as s"
+    f" on l.global_id = s.global_id"
+)
+
 
 @router.get("/rankings", response_model=list[RankingResponse])
 def get_rankings(
@@ -19,21 +24,15 @@ def get_rankings(
     offset: int = 0,
     db: Session = Depends(get_db),
 ):
-    """Return listings ranked by ELO rating (highest first).
-
-    Only listings in the stable sample (elo.sample_listings) are shown.
-    """
-    query = LISTING_SELECT + f"""
-        INNER JOIN {settings.ELO_SCHEMA}.sample_listings s
-            ON l.global_id = s.global_id
-    """
-    params: dict = {"limit": limit, "offset": offset}
+    """Return listings ranked by ELO rating (highest first)."""
+    query = LISTING_SELECT + SAMPLE_JOIN
+    params: dict = {"limit": limit, "offset": offset, "default_elo": settings.DEFAULT_ELO}
 
     if status and status != "all":
-        query += " WHERE l.status = :status"
+        query += " where l.status = :status"
         params["status"] = status
 
-    query += " ORDER BY elo_rating DESC, l.current_price DESC LIMIT :limit OFFSET :offset"
+    query += " order by elo_rating desc, l.current_price desc limit :limit offset :offset"
     result = db.execute(text(query), params)
     listings = [row_to_listing(row) for row in result]