optimising and making it better

src/app/models/item.model.ts

@@ -5,7 +5,7 @@ export interface Photo {
   type?: string;
 }
 
-export interface Callback {
+export interface Review {
   rating?: number;
   content?: string;
   userID?: string;
@@ -13,6 +13,9 @@ export interface Callback {
   timestamp?: string;
 }
 
+/** @deprecated Use {@link Review} instead */
+export type Callback = Review;
+
 export interface Question {
   question: string;
   answer: string;
@@ -31,10 +34,9 @@ export interface Item {
   discount: number;
   remainings?: string;
   rating: number;
-  callbacks: Callback[] | null;
+  callbacks: Review[] | null;
   questions: Question[] | null;
   partnerID?: string;
-  quantity?: number; // For cart items
 }
 
 export interface CartItem extends Item {