From d22df6bd30b8ed4bcfa938dcbbedc5fc376c2304 Mon Sep 17 00:00:00 2001
From: Rafi Zadanly <zadanlyr@gmail.com>
Date: Mon, 20 Feb 2023 10:49:35 +0700
Subject: cart refactor

---
 src/core/components/elements/Appbar/Appbar.jsx |   2 +-
 src/core/utils/cart.js                         |   4 +-
 src/lib/cart/components/Cart.jsx               | 200 +++++++++++++++++++++++--
 src/lib/cart/hooks/useCart.js                  |   4 +-
 src/lib/product/components/Product.jsx         |   8 +-
 5 files changed, 199 insertions(+), 19 deletions(-)

(limited to 'src')

diff --git a/src/core/components/elements/Appbar/Appbar.jsx b/src/core/components/elements/Appbar/Appbar.jsx
index 0fe087d3..2a19ec6c 100644
--- a/src/core/components/elements/Appbar/Appbar.jsx
+++ b/src/core/components/elements/Appbar/Appbar.jsx
@@ -6,7 +6,7 @@ const AppBar = ({ title }) => {
   const router = useRouter()
 
   return (
-    <nav className="sticky top-0 z-50 bg-white shadow flex justify-between">
+    <nav className="sticky top-0 z-50 bg-white border-b border-gray_r-6 flex justify-between">
       <div className="flex items-center">
         <button type="button" className="p-4" onClick={() => router.back()}>
           <ChevronLeftIcon className="w-6 stroke-2" />
diff --git a/src/core/utils/cart.js b/src/core/utils/cart.js
index 928d2ad1..52e157f2 100644
--- a/src/core/utils/cart.js
+++ b/src/core/utils/cart.js
@@ -18,7 +18,7 @@ const getItemCart = ({ productId }) => {
   return cart[productId]
 }
 
-const addItemCart = ({ productId, quantity, selected = false }) => {
+const updateItemCart = ({ productId, quantity, selected = false }) => {
   let cart = getCart()
   quantity = parseInt(quantity)
   cart[productId] = { productId, quantity, selected }
@@ -36,6 +36,6 @@ const deleteItemCart = ({ productId }) => {
 export {
   getCart,
   getItemCart,
-  addItemCart,
+  updateItemCart,
   deleteItemCart
 }
\ No newline at end of file
diff --git a/src/lib/cart/components/Cart.jsx b/src/lib/cart/components/Cart.jsx
index 5f9ae1c0..3dd54429 100644
--- a/src/lib/cart/components/Cart.jsx
+++ b/src/lib/cart/components/Cart.jsx
@@ -1,28 +1,208 @@
 import Link from "@/core/components/elements/Link/Link"
 import useCart from "../hooks/useCart"
 import Image from "@/core/components/elements/Image/Image"
+import currencyFormat from "@/core/utils/currencyFormat"
+import { useEffect, useState } from "react"
+import { getItemCart, updateItemCart } from "@/core/utils/cart"
+import { CheckIcon, RectangleGroupIcon } from "@heroicons/react/24/outline"
+import { createSlug } from "@/core/utils/slug"
+import { useRouter } from "next/router"
 
 const Cart = () => {
-  const { cart } = useCart()
+  const router = useRouter()
+  const [ products, setProducts ] = useState(null)
+  const { cart } = useCart({ enabled: !products })
+
+  const [ totalPriceBeforeTax, setTotalPriceBeforeTax ] = useState(0)
+  const [ totalTaxAmount, setTotalTaxAmount ] = useState(0)
+  const [ totalDiscountAmount, setTotalDiscountAmount ] = useState(0)
+
+  useEffect(() => {
+    if (cart.data && !products) {
+      const productsWithQuantity = cart.data.map((product) => {
+        const productInCart = getItemCart({ productId: product.id })
+        if (!productInCart) return
+        return {
+          ...product,
+          quantity: productInCart.quantity,
+          selected: productInCart.selected
+        }
+      })
+      setProducts(productsWithQuantity)
+    }
+  }, [cart, products])
+
+  useEffect(() => {
+    if (!products) return 
+
+    let calculateTotalPriceBeforeTax = 0
+    let calculateTotalTaxAmount = 0
+    let calculateTotalDiscountAmount = 0
+    for (const product of products) {
+      if (product.quantity == '') continue
+      updateItemCart({
+        productId: product.id,
+        quantity: product.quantity,
+        selected: product.selected
+      })
+      
+      if (!product.selected) continue
+      let priceBeforeTax = product.price.price / 1.11 
+      calculateTotalPriceBeforeTax += priceBeforeTax * product.quantity
+      calculateTotalTaxAmount += (product.price.price - priceBeforeTax) * product.quantity
+      calculateTotalDiscountAmount += (product.price.price - product.price.priceDiscount) * product.quantity
+    }
+    setTotalPriceBeforeTax(calculateTotalPriceBeforeTax)
+    setTotalTaxAmount(calculateTotalTaxAmount)
+    setTotalDiscountAmount(calculateTotalDiscountAmount)
+  }, [products])
+
+  const updateQuantity = (value, productId, operation = '') => {
+    let productIndex = products.findIndex((product) => product.id == productId)
+    if (productIndex < 0) return
+
+    let productsToUpdate = products
+    let quantity = productsToUpdate[productIndex].quantity
+    if (value != '' && isNaN(parseInt(value))) return
+    value = value != '' ? parseInt(value) : ''
+    switch (operation) {
+      case 'PLUS':
+        quantity += value
+        break
+      case 'MINUS':
+        if ((quantity - value) < 1) return
+        quantity -= value
+        break
+      case 'BLUR':
+        if (value != '') return
+        quantity = 1
+        break
+      default:
+        quantity = value
+        break
+    }
+    productsToUpdate[productIndex].quantity = quantity
+    setProducts([ ...productsToUpdate ])
+  }
+
+  const toggleSelected = (productId) => {
+    let productIndex = products.findIndex((product) => product.id == productId)
+    if (productIndex < 0) return
+
+    let productsToUpdate = products
+    productsToUpdate[productIndex].selected = !productsToUpdate[productIndex].selected
+    setProducts([ ...productsToUpdate ])
+  }
+
+  const selectedProduct = () => {
+    if (!products) return []
+    return products.filter((product) => product.selected == true)
+  }
   
   return (
-    <div className="p-4">
-      <div className="flex justify-between mb-4">
+    <div className="pt-6">
+      <div className="flex justify-between mb-4 px-4">
         <h1 className="font-semibold">Daftar Produk Belanja</h1>
         <Link href="/">Cari Produk Lain</Link>
       </div>
-      <div className="flex flex-col gap-y-4">
-        { cart.data?.map((product) => (
+      <div className="flex flex-col gap-y-4 px-4">
+        { products?.map((product) => (
           <div key={product.id} className="flex">
-            <div className="w-4/12">
-              <Image src={product?.parent?.image} alt={product?.name} className="object-contain object-center border border-gray_r-6 h-32 w-full rounded-md" />
-            </div>
-            <div className="flex-1 px-2">
-              <div>{ product?.parent?.name }</div>
+            <button
+              type="button" 
+              className="flex items-center mr-2"
+              onClick={() => toggleSelected(product.id)}
+            >
+              { !product.selected && (
+                <div className="w-5 h-5 border border-gray_r-11 rounded" />
+              ) }
+              { product.selected && (
+                <CheckIcon className="border bg-red_r-10 w-5 text-white" /> 
+              ) }
+            </button>
+            <Link 
+              href={createSlug('/shop/product/', product.parent.name, product.parent.id)} 
+              className="w-3/12 flex-shrink-0"
+            >
+              <Image src={product?.parent?.image} alt={product?.name} className="object-contain object-center border border-gray_r-6 h-40 w-full rounded-md" />
+            </Link>
+            <div className="flex-1 px-2 text-caption-1">
+              <Link 
+                href={createSlug('/shop/product/', product.parent.name, product.parent.id)} 
+                className="line-clamp-2 leading-6 !text-gray_r-12 font-normal"
+              >
+                { product?.parent?.name }
+              </Link>
+              <div className="text-gray_r-11 mt-1">{ product.code }</div>
+              { product?.price?.discountPercentage > 0 && (
+                <div className="flex gap-x-1 items-center mt-3">
+                  <div className="text-gray_r-11 line-through text-caption-2">
+                    {currencyFormat(product?.price?.price)}
+                  </div>
+                  <div className="badge-solid-red">
+                    {product?.price?.discountPercentage}%
+                  </div>
+                </div>
+              ) }
+              <div className="font-normal mt-1">
+                { currencyFormat(product?.price?.priceDiscount) }
+              </div>
+              <div className="flex justify-between items-center mt-1">
+                <div className="text-red_r-11 font-medium">
+                  { currencyFormat(product?.price?.priceDiscount * product.quantity) }
+                </div>
+                <div className="flex gap-x-2">
+                  <button 
+                    type="button" 
+                    className="btn-light px-2 py-1"
+                    onClick={() => updateQuantity(1, product.id, 'MINUS')}
+                  >
+                    -
+                  </button>
+                  <input 
+                    className="form-input w-10 border-0 border-b rounded-none py-1 px-0 text-center" 
+                    value={product.quantity} 
+                    onChange={(e) => updateQuantity(e.target.value, product.id)}
+                    onBlur={(e) => updateQuantity(e.target.value, product.id, 'BLUR')}
+                  />
+                  <button 
+                    type="button" 
+                    className="btn-light px-2 py-1"
+                    onClick={() => updateQuantity(1, product.id, 'PLUS')}
+                  >
+                    +
+                  </button>
+                </div>
+              </div>
             </div>
           </div>
         )) }
       </div>
+      <div className="sticky bottom-0 left-0 w-full p-4 mt-6 border-t border-gray_r-6 bg-white">
+        <div className="flex justify-between mb-4">
+          <div className="text-gray_r-11">
+            Total: <span className="text-red_r-11 font-semibold">{ currencyFormat(totalPriceBeforeTax - totalDiscountAmount + totalTaxAmount) }</span>
+          </div>
+        </div>
+        <div className="flex gap-x-3">
+          <button 
+            type="button" 
+            className="btn-yellow flex-1"
+            disabled={selectedProduct().length == 0}
+            onClick={() => router.push('/shop/quotation')}
+          >
+            Quotation
+          </button>
+          <button 
+            type="button" 
+            className="btn-solid-red flex-1"
+            disabled={selectedProduct().length == 0}
+            onClick={() => router.push('/shop/checkout')}
+          >
+            Checkout
+          </button>
+        </div>
+      </div>
     </div>
   )
 }
diff --git a/src/lib/cart/hooks/useCart.js b/src/lib/cart/hooks/useCart.js
index 44931b8a..9eb01e74 100644
--- a/src/lib/cart/hooks/useCart.js
+++ b/src/lib/cart/hooks/useCart.js
@@ -3,11 +3,11 @@ import { useQuery } from "react-query"
 import _ from "lodash"
 import CartApi from "../api/CartApi"
 
-const useCart = () => {
+const useCart = ({ enabled }) => {
   const cart = getCart()
   const variantIds = _.keys(cart).join(',')
   const fetchCart = async () => CartApi({ variantIds })
-  const { data, isLoading } = useQuery('cart', fetchCart)
+  const { data, isLoading } = useQuery('cart', fetchCart, { enabled })
 
   return {
     cart: { data, isLoading }
diff --git a/src/lib/product/components/Product.jsx b/src/lib/product/components/Product.jsx
index 396eba5f..39d29d4d 100644
--- a/src/lib/product/components/Product.jsx
+++ b/src/lib/product/components/Product.jsx
@@ -8,7 +8,7 @@ import Select from "react-select"
 import ProductSimilar from "./ProductSimilar"
 import LazyLoad from "react-lazy-load"
 import { toast } from "react-hot-toast"
-import { addItemCart } from "@/core/utils/cart"
+import { updateItemCart } from "@/core/utils/cart"
 
 const informationTabOptions = [
   { value: 'specification', label: 'Spesifikasi' },
@@ -75,7 +75,7 @@ const Product = ({ product }) => {
       toast.error('Jumlah barang minimal 1')
       return
     }
-    addItemCart({
+    updateItemCart({
       productId: activeVariant.id,
       quantity
     })
@@ -98,7 +98,7 @@ const Product = ({ product }) => {
         { activeVariant?.price?.discountPercentage > 0 && (
           <div className="flex gap-x-1 items-center mt-2">
             <div className="text-gray_r-11 line-through text-caption-1">
-              {currencyFormat(activeVariant?.price?.priceDiscount)}
+              {currencyFormat(activeVariant?.price?.price)}
             </div>
             <Badge type="solid-red">
               {activeVariant?.price?.discountPercentage}%
@@ -106,7 +106,7 @@ const Product = ({ product }) => {
           </div>
         ) }
         <h3 className="text-red_r-11 font-semibold mt-1">
-          { activeVariant?.price?.price > 0 ? currencyFormat(activeVariant?.price?.price) : (
+          { activeVariant?.price?.priceDiscount > 0 ? currencyFormat(activeVariant?.price?.priceDiscount) : (
             <span className="text-gray_r-11 leading-6 font-normal">
               Hubungi kami untuk dapatkan harga terbaik,&nbsp;
               <a href="https://wa.me/" className="text-red_r-11 underline">klik disini</a>
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