From d904f7add3756611684642c780fa09cb61d60b40 Mon Sep 17 00:00:00 2001
From: sltan29 <almog.sultan29@gmail.com>
Date: Thu, 4 Dec 2025 02:16:00 +0200
Subject: [PATCH 1/2] wrote all methods, added type to every parameter and
 every return type.

---
 store.ts | 77 ++++++++++++++++++--------------------------------------
 1 file changed, 24 insertions(+), 53 deletions(-)

diff --git a/store.ts b/store.ts
index 1745d61..18d91d9 100644
--- a/store.ts
+++ b/store.ts
@@ -1,14 +1,3 @@
-// store.ts
-// Homework - Online Store System
-// ------------------------------------
-// Instructions:
-// - Add a type for every function parameter.
-// - Add an explicit return type for every function (even if it is void).
-// - Make sure the code compiles without TypeScript errors.
-
-// ------------------------------------
-// Interfaces
-// ------------------------------------
 
 interface Product {
   id: number;
@@ -23,10 +12,6 @@ interface Store {
   products: Product[];
 }
 
-// ------------------------------------
-// Store data (5 products)
-// ------------------------------------
-
 const store: Store = {
   storeName: "My Online Store",
   products: [
@@ -68,54 +53,40 @@ const store: Store = {
   ],
 };
 
-// ------------------------------------
-// Shopping cart: array of product IDs
-// ------------------------------------
-
 const cart = [1, 3, 5];
 
-// ------------------------------------
-// Functions to implement
-// ------------------------------------
-
-function getAvailableProducts(
-  store /* : add type here */
-) /* : add return types */ {
-  return [];
+function getAvailableProducts(store : Store) : Product[] {
+  return store.products.filter((product)=>product.inStock===true);
 }
 
-function getProductsInPriceRange(
-  store /* : add type here */,
-  minPrice /* : add type here */,
-  maxPrice /* : add type here */
-) /* : add return types */ {
-  return [];
+function getProductsInPriceRange(store : Store, minPrice : number ,maxPrice : number ) : Product[] {
+  return store.products.filter((product)=> product.price>=minPrice && product.price<=maxPrice);
 }
 
-function getProductsByTag(
-  store /* : add type here */,
-  tag /* : add type here */
-) /* : add return types */ {
-  return [];
+function getProductsByTag(store : Store ,tag : string) : Product[]{
+  const prodWithTag : Product[] = [];
+  store.products.forEach((product : Product) =>{
+    if (product.tags.includes(tag))
+      prodWithTag.push(product);
+  });
+  return prodWithTag;
 }
 
-function getAvailableProductsByTag(
-  store /* : add type here */,
-  tag /* : add type here */
-) /* : add return types */ {
-  return [];
+function getAvailableProductsByTag(store : Store, tag : string) : Product[] {
+  const prodByTag : Product[] = getProductsByTag(store, tag);
+  return prodByTag.filter((product) => product.inStock===true);
 }
 
-function getCartProducts(
-  store /* : add type here */,
-  cart /* : add type here */
-) /* : add return types */ {
-  return [];
+function getCartProducts(store : Store , cart : number[] ) : Product[] {
+  return store.products.filter((product) => cart.includes(product.id));
 }
 
-function getCartTotalInStock(
-  store /* : add type here */,
-  cart /* : add type here */
-) /* : add return types */ {
-  return 0;
+function getCartTotalInStock(store : Store ,cart : number[]) : number{
+  const productsToSum : Product[] = store.products.filter((product) => cart.includes(product.id) && product.inStock === true);
+  let sum = 0;
+  productsToSum.forEach((product) => {
+    sum+=product.price;
+  })
+  return sum;
 }
+

From e7012479c303d4a4bad5158641a06239812f6e99 Mon Sep 17 00:00:00 2001
From: sltan29 <almog.sultan29@gmail.com>
Date: Sat, 13 Dec 2025 00:14:39 +0200
Subject: [PATCH 2/2] removed unnecessary ===true and made getProductsByTag
 more readable

---
 store.ts | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/store.ts b/store.ts
index 18d91d9..8bec304 100644
--- a/store.ts
+++ b/store.ts
@@ -56,7 +56,7 @@ const store: Store = {
 const cart = [1, 3, 5];
 
 function getAvailableProducts(store : Store) : Product[] {
-  return store.products.filter((product)=>product.inStock===true);
+  return store.products.filter((product)=>product.inStock);
 }
 
 function getProductsInPriceRange(store : Store, minPrice : number ,maxPrice : number ) : Product[] {
@@ -64,17 +64,12 @@ function getProductsInPriceRange(store : Store, minPrice : number ,maxPrice : nu
 }
 
 function getProductsByTag(store : Store ,tag : string) : Product[]{
-  const prodWithTag : Product[] = [];
-  store.products.forEach((product : Product) =>{
-    if (product.tags.includes(tag))
-      prodWithTag.push(product);
-  });
-  return prodWithTag;
+  return store.products.filter((prod)=>prod.tags.includes(tag));
 }
 
 function getAvailableProductsByTag(store : Store, tag : string) : Product[] {
   const prodByTag : Product[] = getProductsByTag(store, tag);
-  return prodByTag.filter((product) => product.inStock===true);
+  return prodByTag.filter((product) => product.inStock);
 }
 
 function getCartProducts(store : Store , cart : number[] ) : Product[] {