update

internal/repos/game_reviews_repo/repo.go

@@ -99,6 +99,15 @@ func (r *Repo) Moderate(ctx context.Context, id int, status string) (*Review, er
 	return review, errors.New("Недопустимый статус модерации")
 }
 
+func (r *Repo) ScenarioRating(ctx context.Context, scenarioID int) (float64, int32, error) {
+	var average float64
+	var count int64
+	err := r.pool.QueryRow(ctx, `SELECT COALESCE(AVG(r.rating),0), COUNT(*)
+		FROM game_reviews r JOIN games g ON g.id=r.game_id
+		WHERE g.scenario_id=$1 AND g.status='finish' AND r.status='approved'`, scenarioID).Scan(&average, &count)
+	return average, int32(count), err
+}
+
 func (r *Repo) queryOne(ctx context.Context, condition string, id int) (*Review, error) {
 	review := &Review{}
 	err := r.pool.QueryRow(ctx, `SELECT r.id,r.game_id,r.team_id,t.name,r.rating,r.text,r.status,r.created_at