Rewrite multi loader query use

crates/stock_manager/src/db/products.rs

@@ -236,7 +236,7 @@ impl FindProducts {
         self,
         pool: &mut sqlx::Transaction<'_, sqlx::Postgres>,
     ) -> Result<Vec<Product>> {
-        db_utils::MultiLoad::new(
+        let mut loader = db_utils::MultiLoad::new(
             pool,
             r#"
 SELECT id,
@@ -248,16 +248,17 @@ WHERE
     "#,
             "products.id =",
         )
-        .with_size(200)
-        .load(
-            self.product_ids.len(),
-            self.product_ids.into_iter().map(|id| *id),
-            |e| {
-                tracing::error!("{e:?}");
-                Error::FindProducts
-            },
-        )
-        .await
+        .with_size(200);
+        loader
+            .load(
+                self.product_ids.len(),
+                self.product_ids.into_iter().map(|id| *id),
+                |e| {
+                    tracing::error!("{e:?}");
+                    Error::FindProducts
+                },
+            )
+            .await
     }
 }
 
@@ -372,10 +373,7 @@ mod tests {
             Product {
                 id: original.id,
                 name: ProductName::new("a9s0dja0sjd0jas09dj"),
-                short_description: ProductShortDesc::new("ajs9d8ua9sdu9ahsd98has"),
-                long_description: ProductLongDesc::new("hja89sdy9yha9sdy98ayusd9hya9sy8dh"),
                 category: None,
-                price: Price::from_u32(823794),
                 deliver_days_flag: Day::Tuesday | Day::Saturday,
             }
         );