63 lines
2.4 KiB
TypeScript
63 lines
2.4 KiB
TypeScript
import type {PayloadAction} from '@reduxjs/toolkit';
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import type {CartItem, CartProduct, CartState} from '@/types/domain';
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import type {RootState} from './store';
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import {createSlice} from '@reduxjs/toolkit';
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const initialState: CartState = {
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items: [], // { id, name, priceNumeric, priceLabel, qty, image }
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};
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const cartSlice = createSlice({
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name: 'cart',
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initialState,
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reducers: {
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restoreCart: (state, action: PayloadAction<CartItem[]>) => {
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state.items = action.payload;
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},
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addToCart: (state, action: PayloadAction<CartProduct>) => {
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const product = action.payload;
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const existing = state.items.find(item => item.id === product.id);
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if (existing) {
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existing.qty += 1;
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} else {
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state.items.push({...product, qty: 1});
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}
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},
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removeFromCart: (state, action: PayloadAction<string>) => {
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state.items = state.items.filter(item => item.id !== action.payload);
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},
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setQuantity: (state, action: PayloadAction<{id: string; qty: number}>) => {
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const {id, qty} = action.payload;
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if (!Number.isSafeInteger(qty) || qty < 1) return;
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const item = state.items.find(item => item.id === id);
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if (item) item.qty = qty;
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},
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incrementQty: (state, action: PayloadAction<string>) => {
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const item = state.items.find(item => item.id === action.payload);
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if (item) item.qty += 1;
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},
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decrementQty: (state, action: PayloadAction<string>) => {
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const item = state.items.find(item => item.id === action.payload);
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if (item && item.qty > 1) {
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item.qty -= 1;
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} else if (item) {
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state.items = state.items.filter(i => i.id !== action.payload);
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}
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},
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clearCart: state => {
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state.items = [];
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},
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},
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});
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export const {restoreCart, addToCart, removeFromCart, setQuantity, incrementQty, decrementQty, clearCart} =
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cartSlice.actions;
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// Selectors
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export const selectCartItems = (state: RootState) => state.cart.items;
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export const selectCartCount = (state: RootState) => state.cart.items.reduce((sum, item) => sum + item.qty, 0);
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export const selectCartTotal = (state: RootState) =>
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state.cart.items.reduce((sum, item) => sum + item.qty * item.priceNumeric, 0);
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export default cartSlice.reducer;
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