perf: result page optimize

backend/app/api/routes/tests/helpers.py

@@ -2,7 +2,7 @@ from datetime import datetime, timezone
 from typing import Optional
 
 from sqlalchemy import func
-from sqlalchemy.orm import Session, aliased, joinedload
+from sqlalchemy.orm import Session, aliased, joinedload, selectinload
 
 from app.models.models import (
     PracticeAttemptCounter,
@@ -137,7 +137,10 @@ def _first_attempts_pg(test_id: int, db: Session) -> list[TestAttempt]:
 
     return (
         db.query(FirstAttempt)
-        .options(joinedload(FirstAttempt.user))
+        .options(
+            joinedload(FirstAttempt.user),
+            selectinload(FirstAttempt.answers),
+        )
         .order_by(
             FirstAttempt.score.desc(),
             FirstAttempt.id.asc(),
@@ -167,7 +170,10 @@ def _first_attempts_generic(test_id: int, db: Session) -> list[TestAttempt]:
 
     return (
         db.query(TestAttempt)
-        .options(joinedload(TestAttempt.user))
+        .options(
+            joinedload(TestAttempt.user),
+            selectinload(TestAttempt.answers),
+        )
         .join(
             first_attempt_ids_subquery,
             TestAttempt.id == first_attempt_ids_subquery.c.attempt_id,

backend/app/api/routes/tests/results.py

@@ -1,9 +1,9 @@
 from fastapi import APIRouter, Depends, HTTPException
-from sqlalchemy.orm import Session
+from sqlalchemy.orm import Session, joinedload, selectinload
 
 from app.api.deps import get_current_user
 from app.core.database import get_db
-from app.models.models import TestAttempt, TestStatus
+from app.models.models import Test, TestAttempt, TestStatus
 from app.api.routes.tests.helpers import (
     MAX_REATTEMPTS,
     _attempt_progress,
@@ -22,6 +22,10 @@ def get_result(
 ):
     attempt = (
         db.query(TestAttempt)
+        .options(
+            joinedload(TestAttempt.test).selectinload(Test.questions),
+            selectinload(TestAttempt.answers),
+        )
         .filter(TestAttempt.id == attempt_id, TestAttempt.user_id == current_user.id)
         .first()
     )