2 files changed, 48 insertions, 0 deletions
diff --git a/thallium-frontend/src/slices/cart.ts b/thallium-frontend/src/slices/cart.ts
new file mode 100644
index 0000000..715fef4
--- /dev/null
+++ b/thallium-frontend/src/slices/cart.ts
@@ -0,0 +1,46 @@
+import { createSlice } from "@reduxjs/toolkit";
+
+interface CartItem {
+    product_template_id: number,
+    quantity: number,
+    variant_id: number,
+    estPrice: string,
+}
+
+const cartSlice = createSlice({
+    name: "cart",
+    initialState: {
+        cart: [] as CartItem[],
+    },
+    reducers: {
+        addCartItem(state, action: { payload: { product_template_id: number, variant_id: number, estPrice: string } }) {
+            const existingItem = state.cart.find((item) => item.product_template_id === action.payload.product_template_id && item.variant_id === action.payload.variant_id);
+
+            if (existingItem) {
+                existingItem.quantity += 1;
+                return;
+            }
+
+            state.cart.push({
+                product_template_id: action.payload.product_template_id,
+                quantity: 1,
+                variant_id: action.payload.variant_id,
+                estPrice: action.payload.estPrice,
+            });
+        },
+        removeCartItem(state, action: { payload: CartItem }) {
+            const existingItem = state.cart.find((item) => item.product_template_id === action.payload.product_template_id && item.variant_id === action.payload.variant_id);
+
+            if (existingItem) {
+                existingItem.quantity -= 1;
+                if (existingItem.quantity === 0) {
+                    state.cart = state.cart.filter((item) => item.product_template_id !== action.payload.product_template_id && item.variant_id !== action.payload.variant_id);
+                }
+            }
+        },
+    },
+});
+
+export const { addCartItem, removeCartItem } = cartSlice.actions;
+
+export default cartSlice.reducer;
diff --git a/thallium-frontend/src/store.ts b/thallium-frontend/src/store.ts
index d9b4873..30766d0 100644
--- a/thallium-frontend/src/store.ts
+++ b/thallium-frontend/src/store.ts
@@ -1,9 +1,11 @@
 import { combineReducers, configureStore } from "@reduxjs/toolkit";
 
 import authorizationReducer from "./slices/authorization.ts";
+import cartReducer from "./slices/cart.ts";
 
 const rootReducer = combineReducers({
     authorization: authorizationReducer,
+    cart: cartReducer,
 });
 
 export const setupStore = (preloadedState?: Partial<RootState>) => {