cart mechanism complete

2025-02-05 21:17:25 +02:00
parent 5ac895ea3e
commit f594f001f6
24 changed files with 441 additions and 78 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -125,3 +125,4 @@ dist
 .pnp.js
 .env*.local
 /messages/*.d.json.ts
+/public/uploads/
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -54,7 +54,7 @@
      <option name="KEEP_SIMPLE_METHODS_IN_ONE_LINE" value="true" />
      <option name="ARRAY_INITIALIZER_WRAP" value="5" />
      <option name="ARRAY_INITIALIZER_LBRACE_ON_NEXT_LINE" value="true" />
-      <option name="SOFT_MARGINS" value="92" />
+      <option name="SOFT_MARGINS" value="80" />
      <indentOptions>
        <option name="INDENT_SIZE" value="2" />
        <option name="CONTINUATION_INDENT_SIZE" value="2" />
--- a/.idea/watcherTasks.xml
+++ b/.idea/watcherTasks.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectTasksOptions" suppressed-tasks="SCSS" />
+</project>
--- a/app/[locale]/(root)/(shop)/cart/page.tsx
+++ b/app/[locale]/(root)/(shop)/cart/page.tsx
@@ -0,0 +1,31 @@
+'use client'
+
+import {useTranslations} from 'next-intl'
+
+import CartItems from '@/components/pages/cart/items'
+
+export default function Cart() {
+	const t = useTranslations('cart')
+
+	// const subtotal = items.reduce(
+	// 	(total, item) => total + item.price * item.quantity,
+	// 	0
+	// )
+	// const total = subtotal
+
+	return (
+		<div className='mt-1'>
+			<div className='container'>
+				<section className='mx-auto my-8 max-w-[640px] text-brand-violet'>
+					<h1 className='text-3xl font-bold'>{t('basket')}</h1>
+					<div className='bsdg-brand-violet-200 my-4 grid grid-cols-3 gap-4 border-t-2 border-brand-violet py-4'>
+						<div className='bg-brand-violet-100'>Назва</div>
+						<div className='bg-brand-violet-100'>Кількість</div>
+						<div className='bg-brand-violet-100'>Вартість</div>
+					</div>
+					<CartItems />
+				</section>
+			</div>
+		</div>
+	)
+}
--- a/app/[locale]/(root)/(shop)/checkout/page.tsx
+++ b/app/[locale]/(root)/(shop)/checkout/page.tsx
@@ -1,12 +0,0 @@
-import {Metadata} from 'next'
-
-export const metadata: Metadata = {
-	title: 'Checkout'
-}
-
-export default function CheckoutPage() {
-	//throw new Error('NOT IMPLEMENTED')
-
-	//const session = await auth()
-	return <div>CheckoutPage</div>
-}
--- a/app/[locale]/(root)/(shop)/product/[[...slug]]/page.tsx
+++ b/app/[locale]/(root)/(shop)/product/[[...slug]]/page.tsx
@@ -0,0 +1,16 @@
+import {notFound} from 'next/navigation'
+
+import ProductPageIndex from '@/components/pages/product'
+
+export default async function Products({
+	params
+}: {
+	params: Promise<{slug?: string}>
+}) {
+	const {slug} = await params
+	const [uri] = slug || []
+	const id = (uri || '').match(/^(\d+)-./)
+	if (!id) notFound()
+
+	return <ProductPageIndex id={id[1]} />
+}
--- a/app/[locale]/(root)/page.tsx
+++ b/app/[locale]/(root)/page.tsx
@@ -43,22 +43,6 @@ export default async function HomePage() {
 			</div>
 			{/*<pre>{JSON.stringify(session)}</pre>*/}

-			<section className='relative mx-auto mt-8 h-[640px] w-[840px] bg-brand-violet-200'>
-				<Image
-					src={'/uploads/products/IMG_6572.jpg'}
-					//fill
-					//sizes='(min-width: 808px) 50vw, 100vw'
-					width={1280}
-					height={1280}
-					alt=''
-					title=''
-					priority
-					style={{
-						objectFit: 'contain' // cover, contain, none
-					}}
-				/>
-			</section>
-
 			<section className='mb-4 mt-[128px]'>
 				<div className='container'>
 					<FeatureCards />
--- a/app/globals.css
+++ b/app/globals.css
@@ -214,3 +214,25 @@ body {
    }
  }
 }
+
+.bw-product__text * {
+  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji" !important;
+  font-weight: 400 !important;
+  font-size: 1rem !important;
+  line-height: 1.45 !important;
+  color: rgb(40, 26, 76) !important;
+
+}
+.bw-product__text {
+  h2 * {
+    font-weight: 700 !important;
+    font-size: 1.375rem !important;
+  }
+}
+
+.bw-cart-item-counter {
+  input {
+    @apply text-xl leading-none border-0 text-brand-violet font-bold;
+  }
+
+}
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -1,9 +1,10 @@
 import type {Metadata} from 'next'
 import {headers} from 'next/headers'
 import {ReactNode} from 'react'
+import {Toaster} from 'react-hot-toast'

 import './globals.css'
-import {Toaster} from '@/components/ui/toaster'
+//import {Toaster} from '@/components/ui/toaster'
 import {routing} from '@/i18n/routing'
 import {APP_DESCRIPTION, APP_NAME, APP_SLOGAN} from '@/lib/constants'

@@ -25,7 +26,8 @@ export default async function RootLayout({
 		<html lang={locale} suppressHydrationWarning>
 			<body className='min-h-screen antialiased'>
 				{children}
-				<Toaster />
+				{/*<Toaster />*/}
+				<Toaster position='top-right' reverseOrder={false} />
 			</body>
 		</html>
 	)
--- a/components/(protected)/admin/product/create-edit-form.tsx
+++ b/components/(protected)/admin/product/create-edit-form.tsx
@@ -12,6 +12,7 @@ import {i18nDefaultLocale, i18nLocales} from '@/i18n-config'
 import {BaseEditorConfig} from '@/lib/config/editor'
 import {createProductFormSchema} from '@/lib/schemas/admin/product'
 import {toEmptyParams} from '@/lib/utils'
+import useCountStore from '@/store/cart-store'
 import {Button} from '@/ui/button'
 import {
 	Form,
--- a/components/pages/cart/cart.module.scss
+++ b/components/pages/cart/cart.module.scss
@@ -0,0 +1,4 @@
+input.bw-cart-item-counter{
+  font-size: 36px;
+  background: chocolate;
+}
--- a/components/pages/cart/items.tsx
+++ b/components/pages/cart/items.tsx
@@ -0,0 +1,74 @@
+// import styles from '@/components/pages/cart/cart.module.scss'
+import Link from 'next/link'
+
+import useCartStore from '@/store/cart-store'
+import {Button} from '@/ui/button'
+import {Input} from '@/ui/input'
+
+export default function CartItems() {
+	const {cartItems} = useCartStore()
+
+	const {increaseQuantity, decreaseQuantity, removeItemFromCart} =
+		useCartStore()
+	const onIncreaseQuantity = (productId: number) => {
+		increaseQuantity(productId)
+	}
+
+	const onDecreaseQuantity = (productId: number) => {
+		decreaseQuantity(productId)
+	}
+
+	const onRemoveItem = (productId: number) => {
+		removeItemFromCart(productId)
+	}
+
+	if (cartItems && cartItems.length < 1) {
+		return (
+			<div className='flex h-72 flex-col items-center justify-center'>
+				<h2 className='mb-5 mt-10 text-3xl font-bold'>Cart is Empty</h2>
+				<Link
+					href={'/products'}
+					className='rounded-md bg-orange-500 px-6 py-2 text-white'
+				>
+					Shop
+				</Link>
+			</div>
+		)
+	}
+
+	return (
+		<>
+			{cartItems?.map((item, i) => (
+				<div
+					key={i}
+					className='bsdg-brand-violet-200 bw-cart-item-counter my-4 flex items-center gap-4 py-4'
+				>
+					<div className='flex-auto bg-brand-violet-100'>{item.title}</div>
+					<div className='flex w-16 flex-none items-center justify-center'>
+						<Button
+							variant={'outline'}
+							className='rounded-0'
+							onClick={() => onDecreaseQuantity(item.id)}
+						>
+							-
+						</Button>
+						<div className='mx-4 border-0 text-xl font-bold leading-none text-brand-violet'>
+							{item.quantity}
+						</div>
+						<Button
+							variant={'outline'}
+							className='rounded-0'
+							onClick={() => onIncreaseQuantity(item.id)}
+						>
+							+
+						</Button>
+					</div>
+
+					<div className='text-3 flex-auto text-right font-bold'>
+						{(item.price * item.quantity).toFixed(2)} грн
+					</div>
+				</div>
+			))}
+		</>
+	)
+}
--- a/components/pages/product/add-cart-button.tsx
+++ b/components/pages/product/add-cart-button.tsx
@@ -0,0 +1,28 @@
+'use client'
+
+import {ShoppingCartIcon} from 'lucide-react'
+import {useTranslations} from 'next-intl'
+
+import {dump} from '@/lib/utils'
+import useCartStore, {CartItem} from '@/store/cart-store'
+
+export default function AddCartButton({product}: {product: CartItem}) {
+	const t = useTranslations('cart')
+	const addItemToCart = useCartStore(state => state.addItemToCart)
+	const {cartItems} = useCartStore(state => state)
+
+	return (
+		<>
+			<button
+				className='flex flex-col items-center'
+				role='button'
+				title={t('basket')}
+				onClick={() => addItemToCart(product)}
+			>
+				<ShoppingCartIcon className='h-[21px] w-[21px]' />
+			</button>
+
+			<pre>{dump(cartItems)}</pre>
+		</>
+	)
+}
--- a/components/pages/product/index.tsx
+++ b/components/pages/product/index.tsx
@@ -0,0 +1,57 @@
+import {getLocale} from 'next-intl/server'
+import {notFound} from 'next/navigation'
+import {strict} from 'node:assert'
+
+import AddCartButton from '@/components/pages/product/add-cart-button'
+import {ProductProps, getProductById} from '@/lib/data/models/product'
+import {dump} from '@/lib/utils'
+import useCartStore from '@/store/cart-store'
+import {Tabs, TabsContent, TabsList, TabsTrigger} from '@/ui/tabs'
+
+export default async function ProductPageIndex({id}: {id: string}) {
+	const product = await getProductById(parseInt(id))
+	if (!product) notFound()
+	const {locales, toStore} = product as ProductProps
+	const lang = await getLocale()
+	const locale = locales[lang === 'uk' ? 0 : 1]
+	const store = JSON.parse(JSON.stringify(toStore[0]))
+
+	return (
+		<div className='mt-1'>
+			<div className='container flex flex-col sm:flex-row'>
+				<div>
+					<AddCartButton
+						product={{
+							id: product.id,
+							quantity: 1,
+							title: locale.title,
+							price: store.price as string, //parseFloat().toFixed(2),
+							image: product.image
+						}}
+					/>
+					<hr />
+				</div>
+				<div>
+					<Tabs defaultValue='article' className=''>
+						<TabsList className='grid w-full grid-cols-2'>
+							<TabsTrigger value='article'>Опис</TabsTrigger>
+							<TabsTrigger value='instuction'>Інструкція</TabsTrigger>
+						</TabsList>
+						<TabsContent value='article'>
+							<article
+								className='bw-product__text'
+								dangerouslySetInnerHTML={{__html: locale.content as string}}
+							></article>
+						</TabsContent>
+						<TabsContent value='instuction'>
+							<div
+								className='bw-product__text'
+								dangerouslySetInnerHTML={{__html: locale.instruction as string}}
+							></div>
+						</TabsContent>
+					</Tabs>
+				</div>
+			</div>
+		</div>
+	)
+}
--- a/components/shared/header/cabinet-button.tsx
+++ b/components/shared/header/cabinet-button.tsx
@@ -23,7 +23,6 @@ export default async function CabinetButton() {
 				) : (
 					<>
 						<CircleUserRound className='h-[21px] w-[21px]' />
-						GA4_Ecommerce_View_Item_List_Trigger
 					</>
 				)}
 				{/*<span className='text-sm'>Кабінет</span>*/}
--- a/components/shared/header/controls.tsx
+++ b/components/shared/header/controls.tsx
@@ -1,7 +1,8 @@
-import {Heart, ShoppingCartIcon, UserIcon} from 'lucide-react'
+import {Heart} from 'lucide-react'
 import {useTranslations} from 'next-intl'

 import CabinetButton from '@/components/shared/header/cabinet-button'
+import HeaderShoppingCartIcon from '@/components/shared/header/shopping-cart-icon'
 import {Link} from '@/i18n/routing'

 export default function HeaderControls() {
@@ -18,17 +19,7 @@ export default function HeaderControls() {
 				</button>
 			</Link>

-			<Link
-				href={'/checkout' as never}
-				className='header-button'
-				aria-label='Кошик'
-			>
-				<button className='flex flex-col items-center' role='button'>
-					<ShoppingCartIcon className='h-[21px] w-[21px]' />
-
-					<span className='font1-bold text-sm'>{t('basket')}</span>
-				</button>
-			</Link>
+			<HeaderShoppingCartIcon />
 		</div>
 	)
 }
--- a/components/shared/header/shopping-cart-icon.tsx
+++ b/components/shared/header/shopping-cart-icon.tsx
@@ -0,0 +1,25 @@
+'use client'
+
+import {ShoppingCartIcon} from 'lucide-react'
+import {useTranslations} from 'next-intl'
+
+import {Link} from '@/i18n/routing'
+import useCartStore from '@/store/cart-store'
+
+export default function HeaderShoppingCartIcon() {
+	const t = useTranslations('cart')
+	const {cartItems} = useCartStore()
+	const cartCount = cartItems.length
+
+	return (
+		<Link href={'/cart' as never} className='header-button' aria-label='Кошик'>
+			<button className='flex flex-col items-center' role='button'>
+				<ShoppingCartIcon className='h-[21px] w-[21px]' />
+
+				<span className='font1-bold text-sm'>
+					{t('basket')} [{cartCount}]
+				</span>
+			</button>
+		</Link>
+	)
+}
--- a/components/shared/navbar/index.tsx
+++ b/components/shared/navbar/index.tsx
@@ -2,7 +2,7 @@ import NavbarMenu from '@/components/shared/navbar/navbar-menu'

 export default function Navbar() {
 	return (
-		<nav className='text-min flex w-full items-center justify-between text-sm font-medium leading-none'>
+		<nav className='text-min flex w-full items-center justify-between text-sm font-medium leading-none text-brand-violet'>
 			<NavbarMenu />
 		</nav>
 	)
--- a/components/shared/navbar/navbar-menu.tsx
+++ b/components/shared/navbar/navbar-menu.tsx
@@ -27,18 +27,18 @@ export default function NavbarMenu() {
 					))}
 				</div>
 			</div>
-			<div className={`flex items-center ${bp}:hidden`}>
+			{/*<div className={`flex items-center ${bp}:hidden`}>
 				<Button variant='ghost' onClick={ToggleNavbar}>
 					{menuOpened ? <X /> : <MenuIcon />}
 				</Button>
-			</div>
-			{menuOpened && (
+			</div>*/}
+			{/*{menuOpened && (
 				<div className={`${bp}:hidden`}>
 					<div className='space-y-1 px-2 pb-3 pt-2'>
 						<Link href={'#'}>Hidden Menu</Link>
 					</div>
 				</div>
-			)}
+			)}*/}
 		</>
 	)
 }
--- a/lib/data/models/product.ts
+++ b/lib/data/models/product.ts
@@ -1,10 +1,14 @@
 'use server'

-import {Lang, Product, ProductLocale} from '@prisma/client'
-import internal from 'node:stream'
+import {Lang, Product, ProductLocale, ProductToStore} from '@prisma/client'

 import {db, dbQueryLog} from '@/lib/db/prisma/client'

+export interface ProductProps extends Product {
+	locales: ProductLocale[]
+	toStore: ProductToStore[]
+}
+
 export const getProductBySlug = async (data: {
 	slug: string
 	lang: string
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,15 +41,16 @@
        "react-dom": "^19.0.0",
        "react-dropzone": "^14.3.5",
        "react-hook-form": "^7.54.2",
+        "react-hot-toast": "^2.5.1",
        "redis": "^4.7.0",
        "sanitize-html": "^2.14.0",
        "server-only": "^0.0.1",
        "slugify": "^1.6.6",
-        "swr": "^2.3.0",
        "tailwind-merge": "^2.6.0",
        "tailwind-scrollbar": "^3.1.0",
        "tailwindcss-animate": "^1.0.7",
-        "zod": "^3.24.1"
+        "zod": "^3.24.1",
+        "zustand": "^5.0.3"
      },
      "devDependencies": {
        "@eslint/eslintrc": "^3",
@@ -3790,7 +3791,6 @@
      "version": "3.1.3",
      "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.3.tgz",
      "integrity": "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==",
-      "devOptional": true,
      "license": "MIT"
    },
    "node_modules/damerau-levenshtein": {
@@ -3936,15 +3936,6 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
-    "node_modules/dequal": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/dequal/-/dequal-2.0.3.tgz",
-      "integrity": "sha512-0je+qPKHEMohvfRTCEo3CrPG6cAzAYgmzKyxRiYSSDkS6eGJdyVJm7WaYA5ECaAD9wLB2T4EEeymA5aFVcYXCA==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=6"
-      }
-    },
    "node_modules/detect-libc": {
      "version": "2.0.3",
      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.3.tgz",
@@ -5267,6 +5258,15 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
+    "node_modules/goober": {
+      "version": "2.1.16",
+      "resolved": "https://registry.npmjs.org/goober/-/goober-2.1.16.tgz",
+      "integrity": "sha512-erjk19y1U33+XAMe1VTvIONHYoSqE4iS7BYUZfHaqeohLmnC0FdxEh7rQU+6MZ4OajItzjZFSRtVANrQwNq6/g==",
+      "license": "MIT",
+      "peerDependencies": {
+        "csstype": "^3.0.10"
+      }
+    },
    "node_modules/gopd": {
      "version": "1.2.0",
      "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz",
@@ -7300,6 +7300,23 @@
        "react": "^16.8.0 || ^17 || ^18 || ^19"
      }
    },
+    "node_modules/react-hot-toast": {
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/react-hot-toast/-/react-hot-toast-2.5.1.tgz",
+      "integrity": "sha512-54Gq1ZD1JbmAb4psp9bvFHjS7lje+8ubboUmvKZkCsQBLH6AOpZ9JemfRvIdHcfb9AZXRaFLrb3qUobGYDJhFQ==",
+      "license": "MIT",
+      "dependencies": {
+        "csstype": "^3.1.3",
+        "goober": "^2.1.16"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "peerDependencies": {
+        "react": ">=16",
+        "react-dom": ">=16"
+      }
+    },
    "node_modules/react-is": {
      "version": "16.13.1",
      "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
@@ -8167,19 +8184,6 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
-    "node_modules/swr": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/swr/-/swr-2.3.0.tgz",
-      "integrity": "sha512-NyZ76wA4yElZWBHzSgEJc28a0u6QZvhb6w0azeL2k7+Q1gAzVK+IqQYXhVOC/mzi+HZIozrZvBVeSeOZNR2bqA==",
-      "license": "MIT",
-      "dependencies": {
-        "dequal": "^2.0.3",
-        "use-sync-external-store": "^1.4.0"
-      },
-      "peerDependencies": {
-        "react": "^16.11.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
-      }
-    },
    "node_modules/synckit": {
      "version": "0.9.2",
      "resolved": "https://registry.npmjs.org/synckit/-/synckit-0.9.2.tgz",
@@ -8610,6 +8614,8 @@
      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.4.0.tgz",
      "integrity": "sha512-9WXSPC5fMv61vaupRkCKCxsPxBocVnwakBEkMIHHpkTTg6icbJtg6jzgtLDm4bl3cSHAca52rYWih0k4K3PfHw==",
      "license": "MIT",
+      "optional": true,
+      "peer": true,
      "peerDependencies": {
        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
      }
@@ -8890,6 +8896,35 @@
      "dependencies": {
        "@prisma/debug": "6.2.1"
      }
+    },
+    "node_modules/zustand": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-5.0.3.tgz",
+      "integrity": "sha512-14fwWQtU3pH4dE0dOpdMiWjddcH+QzKIgk1cl8epwSE7yag43k/AD/m4L6+K7DytAOr9gGBe3/EXj9g7cdostg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.20.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=18.0.0",
+        "immer": ">=9.0.6",
+        "react": ">=18.0.0",
+        "use-sync-external-store": ">=1.2.0"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        },
+        "use-sync-external-store": {
+          "optional": true
+        }
+      }
    }
  }
 }
--- a/package.json
+++ b/package.json
@@ -64,15 +64,16 @@
    "react-dom": "^19.0.0",
    "react-dropzone": "^14.3.5",
    "react-hook-form": "^7.54.2",
+    "react-hot-toast": "^2.5.1",
    "redis": "^4.7.0",
    "sanitize-html": "^2.14.0",
    "server-only": "^0.0.1",
    "slugify": "^1.6.6",
-    "swr": "^2.3.0",
    "tailwind-merge": "^2.6.0",
    "tailwind-scrollbar": "^3.1.0",
    "tailwindcss-animate": "^1.0.7",
-    "zod": "^3.24.1"
+    "zod": "^3.24.1",
+    "zustand": "^5.0.3"
  },
  "devDependencies": {
    "@eslint/eslintrc": "^3",
--- a/public/uploads/products/IMG_6572.jpg
+++ b/public/uploads/products/IMG_6572.jpg
--- a/store/cart-store.ts
+++ b/store/cart-store.ts
@@ -0,0 +1,96 @@
+import toast from 'react-hot-toast'
+import {create} from 'zustand'
+import {persist} from 'zustand/middleware'
+
+export interface CartItem {
+	id: number
+	quantity: number
+	title: string
+	price: string | any
+	image?: string | null
+}
+
+interface CartState {
+	cartItems: CartItem[]
+	addItemToCart: (item: CartItem) => void
+	increaseQuantity: (productId: number) => void
+	decreaseQuantity: (productId: number) => void
+	removeItemFromCart: (productId: number) => void
+}
+
+const useCartStore = create(
+	persist<CartState>(
+		(set, get) => ({
+			cartItems: [],
+
+			addItemToCart: item => {
+				const itemExists = get().cartItems.find(
+					cartItem => cartItem.id === item.id
+				)
+
+				if (itemExists) {
+					if (typeof itemExists.quantity === 'number') {
+						itemExists.quantity++
+					}
+
+					set({cartItems: [...get().cartItems]})
+				} else {
+					set({cartItems: [...get().cartItems, {...item, quantity: 1}]})
+				}
+			},
+
+			increaseQuantity: productId => {
+				const itemExists = get().cartItems.find(
+					cartItem => cartItem.id === productId
+				)
+
+				if (itemExists) {
+					if (typeof itemExists.quantity === 'number') {
+						itemExists.quantity++
+					}
+
+					set({cartItems: [...get().cartItems]})
+				}
+			},
+			decreaseQuantity: productId => {
+				const itemExists = get().cartItems.find(
+					cartItem => cartItem.id === productId
+				)
+
+				if (itemExists) {
+					if (typeof itemExists.quantity === 'number') {
+						if (itemExists.quantity === 1) {
+							const updatedCartItems = get().cartItems.filter(
+								item => item.id !== productId
+							)
+							set({cartItems: updatedCartItems})
+						} else {
+							itemExists.quantity--
+							set({cartItems: [...get().cartItems]})
+						}
+					}
+				}
+			},
+
+			removeItemFromCart: productId => {
+				const itemExists = get().cartItems.find(
+					cartItem => cartItem.id === productId
+				)
+
+				if (itemExists) {
+					if (typeof itemExists.quantity === 'number') {
+						const updatedCartItems = get().cartItems.filter(
+							item => item.id !== productId
+						)
+						set({cartItems: updatedCartItems})
+					}
+				}
+			}
+		}),
+		{
+			name: 'cart-items'
+		}
+	)
+)
+
+export default useCartStore