From bd74f5612cd07cd1ab7a0b3c386af7fbe057a360 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fe=CC=81lix=20Pe=CC=81ault?= <hello@flayks.com>
Date: Sun, 7 Nov 2021 11:51:01 +0100
Subject: [PATCH] =?UTF-8?q?[wip]=20=F0=9F=94=A5=20Integrate=20Swell=20into?=
 =?UTF-8?q?=20the=20shop?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Create a custom and internal API for fetching and updating content to Swell Admin API (using swell-node)
---
 .env.local                                 |   4 +
 package.json                               |   1 +
 pnpm-lock.yaml                             |   7 +
 src/components/layouts/PosterLayout.svelte |  32 +++-
 src/components/molecules/CartItem.svelte   |  49 ++++++
 src/components/molecules/PosterCart.svelte |  31 ----
 src/components/organisms/Cart.svelte       | 166 +++++++++++++++++----
 src/routes/api/swell.ts                    |  60 ++++++++
 src/routes/shop/__layout.svelte            |  46 ++++--
 src/style/molecules/_cart-item.scss        |  58 +++++++
 src/style/organisms/_cart.scss             | 104 +++++--------
 src/style/style.scss                       |   1 +
 src/utils/store.ts                         |  30 +++-
 src/utils/swellFunctions.ts                | 102 +++++++++++++
 14 files changed, 543 insertions(+), 148 deletions(-)
 create mode 100644 src/components/molecules/CartItem.svelte
 delete mode 100644 src/components/molecules/PosterCart.svelte
 create mode 100644 src/routes/api/swell.ts
 create mode 100644 src/style/molecules/_cart-item.scss
 create mode 100644 src/utils/swellFunctions.ts

diff --git a/.env.local b/.env.local
index 7db2a49..1e4df06 100644
--- a/.env.local
+++ b/.env.local
@@ -16,6 +16,10 @@ VITE_API_URL_PROD="https://api.housesof.world"
 VITE_API_GRAPHQL_PATH="/graphql"
 VITE_API_TOKEN="efa40490-152c-49d7-a75b-30a6427439b1"
 
+# Shop
+VITE_SWELL_STORE_ID="houses-of"
+VITE_SWELL_API_TOKEN="v3BiXcZP5jpmhL80i4eUy6iXxcpN9cIq"
+
 # Analytics
 VITE_ANALYTICS_KEY="c01e378821e6ba7bf9a9f947b107500bfcbd4ae8"
 VITE_ANALYTICS_URL="https://stats.flayks.com"
\ No newline at end of file
diff --git a/package.json b/package.json
index f2596b0..6ed4f1a 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,7 @@
     "svelte": "^3.44.1",
     "svelte-check": "^2.2.8",
     "svelte-preprocess": "^4.9.8",
+    "swell-node": "^4.0.6",
     "tslib": "^2.3.1",
     "typescript": "^4.4.4"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a4b613d..409ad00 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -16,6 +16,7 @@ specifiers:
   svelte: ^3.44.1
   svelte-check: ^2.2.8
   svelte-preprocess: ^4.9.8
+  swell-node: ^4.0.6
   tslib: ^2.3.1
   typescript: ^4.4.4
 
@@ -37,6 +38,7 @@ devDependencies:
   svelte: 3.44.1
   svelte-check: 2.2.8_sass@1.43.4+svelte@3.44.1
   svelte-preprocess: 4.9.8_6627cbae993b0086cf4555994e082905
+  swell-node: 4.0.6
   tslib: 2.3.1
   typescript: 4.4.4
 
@@ -1437,6 +1439,11 @@ packages:
     engines: {node: '>= 8'}
     dev: true
 
+  /swell-node/4.0.6:
+    resolution: {integrity: sha512-9eAjxse63TL2J3R7RdyD3VoykSffkY/z4jpIpwqjGUhbJYhpqXwbAive2U+6dvdqxGdjovBM8siTeld2Ud9LVw==}
+    engines: {node: '>= v12.21.0'}
+    dev: true
+
   /text-table/0.2.0:
     resolution: {integrity: sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=}
     dev: true
diff --git a/src/components/layouts/PosterLayout.svelte b/src/components/layouts/PosterLayout.svelte
index cc59881..8bca5b6 100644
--- a/src/components/layouts/PosterLayout.svelte
+++ b/src/components/layouts/PosterLayout.svelte
@@ -4,8 +4,10 @@
     import Button from '$components/atoms/Button.svelte'
     import Image from '$components/atoms/Image.svelte'
     import Carousel from '$components/organisms/Carousel.svelte'
+import { cartData, cartId } from '$utils/store';
 
     export let product: any
+    export let productShop: any
 
 
     /**
@@ -51,6 +53,33 @@
             ratio: 0.68,
         },
     ]
+
+
+    /**
+     * Handling add to cart
+     */
+    const addToCart = async () => {
+        // const addedReturn = await swell.cart.addItem({
+        //     product_id: product.product_id,
+        //     quantity: 1,
+        // })
+
+        const addedReturn = await fetch('/api/swell', {
+            method: 'POST',
+            body: JSON.stringify({
+                action: 'addToCart',
+                cartId: $cartId,
+                productId: product.product_id,
+                quantity: 1,
+            })
+        })
+
+        if (addedReturn.ok) {
+            const newCart = await addedReturn.json()
+            $cartData = newCart
+            console.log('Show mini product added to cart')
+        }
+    }
 </script>
 
 <section class="poster-layout grid">
@@ -62,11 +91,12 @@
         <div class="poster-layout__info">
             <dl>
                 <dt>{capitalizeFirstLetter(product.type)}</dt>
-                <dd>{product.name} – 30€</dd>
+                <dd>{productShop.name} – {productShop.price}€</dd>
             </dl>
             <Button
                 text="Add to cart"
                 color="pinklight"
+                on:click={addToCart}
             />
         </div>
 
diff --git a/src/components/molecules/CartItem.svelte b/src/components/molecules/CartItem.svelte
new file mode 100644
index 0000000..a87dd98
--- /dev/null
+++ b/src/components/molecules/CartItem.svelte
@@ -0,0 +1,49 @@
+<script lang="ts">
+    import { createEventDispatcher } from 'svelte';
+
+    export let item: any
+
+    // console.log(item)
+    const dispatch = createEventDispatcher()
+
+
+    // When changing item quantity
+    const updateQuantity = ({ target: { value }}: any) => {
+        dispatch('updatedQuantity', {
+            id: item.id,
+            quantity: Number(value)
+        })
+    }
+
+    // When removing item
+    const removeItem = () => {
+        dispatch('removed', item.id)
+    }
+</script>
+
+<aside class="cart-item shadow-small">
+    <div class="cart-item__left">
+        <img
+            src={item.product.images[0].file.url}
+            width={200}
+            height={300}
+            alt={item.product.name}
+        >
+    </div>
+    <div class="cart-item__right">
+        <h3>Poster</h3>
+        <p>{item.product.name} – {item.price_total}€</p>
+
+        {#if item && item.product}
+            <div class="select">
+                <select on:change={updateQuantity}>
+                    {#each Array(5) as _, index}
+                        <option value={index + 1} selected={item.quantity - 1 === index}>{index + 1}</option>
+                    {/each}
+                </select>
+            </div>
+        {/if}
+
+        <button on:click={removeItem}>Remove</button>
+    </div>
+</aside>
\ No newline at end of file
diff --git a/src/components/molecules/PosterCart.svelte b/src/components/molecules/PosterCart.svelte
deleted file mode 100644
index 8140c6d..0000000
--- a/src/components/molecules/PosterCart.svelte
+++ /dev/null
@@ -1,31 +0,0 @@
-<script lang="ts">
-    import { getContext } from 'svelte'
-    // Components
-    import Button from '$components/atoms/Button.svelte'
-    import Image from '$components/atoms/Image.svelte'
-import Select from './Select.svelte'
-
-    const { locations, shop } = getContext('global')
-
-</script>
-
-<aside class="poster-cart">
-    <div class="poster-cart__left">
-        <img src="/images/issue-1.jpg" alt="">
-    </div>
-    <div class="poster-cart__right">
-        <h3>Poster</h3>
-        <p>Houses Of Melbourne – 30€</p>
-        <Select
-            name="quantity" id="filter_country"
-            options={[
-                {
-                    value: '1',
-                    name: '1',
-                    default: true,
-                    selected: true,
-                },
-            ]}
-        />
-    </div>
-</aside>
\ No newline at end of file
diff --git a/src/components/organisms/Cart.svelte b/src/components/organisms/Cart.svelte
index d52d820..e880d87 100644
--- a/src/components/organisms/Cart.svelte
+++ b/src/components/organisms/Cart.svelte
@@ -1,49 +1,151 @@
 <script lang="ts">
+    import { onMount } from 'svelte'
     import { fade, fly } from 'svelte/transition'
-    import { cartOpen } from '$utils/store'
     import { quartOut } from 'svelte/easing'
+    import { cartOpen, cartId, cartData, cartAmount } from '$utils/store'
     // Components
     import Button from '$components/atoms/Button.svelte'
-    import PosterCart from '$components/molecules/PosterCart.svelte'
+    import CartItem from '$components/molecules/CartItem.svelte'
+
+    let open = false
+
+
+    onMount(async () => {
+        // Cart already exists
+        if ($cartId && $cartId !== 'null') {
+            // Fetch stored cart
+            const existantCart = await fetch('/api/swell', {
+                method: 'POST',
+                body: JSON.stringify({
+                    action: 'fetchCart',
+                    cartId: $cartId
+                })
+            })
+            if (existantCart.ok) {
+                const cart = await existantCart.json()
+                $cartId = cart.id
+                $cartData = cart
+                console.log('fetched existant cart:', $cartId, $cartData)
+            }
+        }
+        // Cart doesn't exists
+        else {
+            // Create a new cart and store it
+            const newCart = await fetch('/api/swell', {
+                method: 'POST',
+                body: JSON.stringify({
+                    action: 'createCart'
+                })
+            })
+            if (newCart.ok) {
+                const cart = await newCart.json()
+                $cartId = cart.id
+                $cartData = cart
+                console.log('new cart:', localStorage.getItem('cartId'))
+            }
+        }
+    })
 
 
     // Closing the cart
     const handleCloseCart = () => {
         $cartOpen = false
     }
+
+    // Item quantity changed
+    const changedQuantity = async ({ detail: { id, quantity } }) => {
+        // Update item in cart
+        // const updatedCart = await swell.cart.updateItem(id, {
+        //     quantity
+        // })
+        // if (updatedCart) {
+        //     $cartData = updatedCart
+        // }
+
+        const updatedCart = await fetch('/api/swell', {
+            method: 'POST',
+            body: JSON.stringify({
+                action: 'updateCartItem',
+                cartId: $cartId,
+                productId: id,
+                quantity: quantity
+            })
+        })
+
+        if (updatedCart.ok) {
+            // const cart = await updatedCart.json()
+            // $cartData = cart
+            // console.log('updated cart:', $cartData.items)
+        }
+    }
+
+    // Item removed
+    const removedItem = async ({ detail: id }) => {
+        // Remove item from cart
+        // const removedItem = await swell.cart.removeItem(id)
+        // if (removedItem) {
+        //     $cartData = removedItem
+        // }
+    }
 </script>
 
-<aside class="cart"
-    transition:fly={{ x: 48, duration: 600, easing: quartOut }}
->
-    <header class="cart__heading">
-        <h2>Cart</h2>
-        <button class="text-label" on:click={handleCloseCart}>Close</button>
-    </header>
+{#if $cartOpen}
+    <aside class="cart shadow-box-dark"
+        transition:fly={{ x: 48, duration: 600, easing: quartOut }}
+    >
+        <header class="cart__heading">
+            <h2>Cart</h2>
+            <button class="text-label" on:click={handleCloseCart}>Close</button>
+        </header>
 
-    <div class="cart__content">
-        <PosterCart />
-        <PosterCart />
-    </div>
+        <div class="cart__content">
+            {#if $cartAmount > 0}
+                {#each $cartData.items as item}
+                    <CartItem {item}
+                        on:updatedQuantity={changedQuantity}
+                        on:removed={removedItem}
+                    />
+                {/each}
+            {:else}
+                <div class="cart__message shadow-small">
+                    <div class="icon">
 
-    <footer class="cart__total">
-        <div class="cart__total--sum">
-            <h3>Total</h3>
-            <span>3 articles</span>
-            <p>90€</p>
+                    </div>
+                    <p>Your cart is empty</p>
+                </div>
+            {/if}
         </div>
-        <div class="cart__total--checkout">
-            <p>Shipping will be calculated from the delivery address during the checkout process</p>
-            <Button
-                text="Checkout"
-                color="pink"
-                size="small"
-            />
-        </div>
-    </footer>
-</aside>
 
-<div class="cart-overlay"
-    transition:fade={{ duration: 600, easing: quartOut }}
-    on:click={handleCloseCart}
-/>
\ No newline at end of file
+        <footer class="cart__total">
+            <div class="cart__total--sum">
+                <h3>Total</h3>
+                {#if $cartData}
+                    <span>{$cartAmount} item{$cartAmount > 1 ? 's' : ''}</span>
+                    <p>{$cartData.sub_total ? $cartData.sub_total : 0}€</p>
+                {:else}
+                    <span>0 item</span>
+                    <p>0€</p>
+                {/if}
+            </div>
+            <div class="cart__total--checkout">
+                <p>Shipping will be calculated from the delivery address during the checkout process</p>
+                {#if $cartData && $cartAmount > 0 && $cartData.checkout_url}
+                    <div transition:fly={{ y: 8, duration: 600, easing: quartOut }}>
+                        <Button
+                            url={$cartData && $cartData.checkout_url}
+                            text="Checkout"
+                            color="pink"
+                            size="small"
+                            disabled={!$cartData}
+                        />
+                    </div>
+                {/if}
+            </div>
+        </footer>
+    </aside>
+
+    <div class="cart-overlay"
+        transition:fade={{ duration: 600, easing: quartOut }}
+        on:click={handleCloseCart}
+    />
+{/if}
\ No newline at end of file
diff --git a/src/routes/api/swell.ts b/src/routes/api/swell.ts
new file mode 100644
index 0000000..3227b36
--- /dev/null
+++ b/src/routes/api/swell.ts
@@ -0,0 +1,60 @@
+import { addToCart, createCart, fetchCart, getProduct, updateCartItem } from '$utils/swellFunctions'
+
+
+// Block GET requests
+export async function get ({ body, query }) {
+    return {
+        status: 403,
+        body: 'nope!'
+    }
+}
+
+
+/**
+ * POST request
+ */
+export async function post ({ headers, query, body, params, ...rest }) {
+    try {
+        const bodyParsed = JSON.parse(Buffer.from(body).toString())
+        const { action, cartId, productId } = bodyParsed
+        let result = {}
+
+        if (bodyParsed) {
+            switch (action) {
+                case 'getProduct': {
+                    result = await getProduct(productId)
+                    break
+                }
+                case 'createCart': {
+                    result = await createCart()
+                    break
+                }
+                case 'fetchCart': {
+                    result = await fetchCart(cartId)
+                    break
+                }
+                case 'addToCart': {
+                    result = await addToCart(cartId, productId, bodyParsed.quantity)
+                    break
+                }
+                case 'updateCartItem': {
+                    result = await updateCartItem(cartId, productId, bodyParsed.quantity)
+                    break
+                }
+
+                default: break
+            }
+        }
+
+        return {
+            status: 200,
+            body: result,
+        }
+    }
+    catch (error) {
+        return {
+            status: error.status || 500,
+            body: error.message || error.text || `Can't fetch query`
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/routes/shop/__layout.svelte b/src/routes/shop/__layout.svelte
index 97793e1..0a876bc 100644
--- a/src/routes/shop/__layout.svelte
+++ b/src/routes/shop/__layout.svelte
@@ -1,5 +1,4 @@
 <script lang="ts">
-    import { cartOpen } from '$utils/store'
     import { onMount } from 'svelte'
     // Components
     import Metas from '$components/Metas.svelte'
@@ -15,6 +14,7 @@
     export let locations: any
     export let posters: any
     export let product: any
+    export let productShop: any
 
     let navEl: HTMLElement, introEl: HTMLElement
     let navObserver: IntersectionObserver
@@ -47,10 +47,8 @@
 />
 
 <main class="shop-page">
-    {#if $cartOpen}
-        <Cart />
-    {/if}
-    <section class="shop-page__intro">
+    <Cart />
+
     <section class="shop-page__intro" bind:this={introEl}>
         <a href="/" class="back">
             Back to Houses Of
@@ -110,7 +108,10 @@
         <p class="description text-normal">{shop.about}</p>
     </section>
 
-    <PosterLayout {product} />
+    <PosterLayout
+        product={product}
+        productShop={productShop}
+    />
 
     <section class="shop-page__posters grid">
         <h3>View all of our available posters</h3>
@@ -137,6 +138,10 @@
     import { getRandomElement } from '$utils/functions'
 
     export async function load ({ page, fetch, session, stuff }) {
+        // Init Swell
+        // swell.init(import.meta.env.VITE_SWELL_STORE_ID, import.meta.env.VITE_SWELL_API_TOKEN)
+
+        // Get content from API
         const res = await fetchAPI(`
             query {
                 shop {
@@ -161,6 +166,7 @@
                         name
                         slug
                     }
+                    product_id
                     photos_product {
                         directus_files_id {
                             id
@@ -182,22 +188,36 @@
         /**
          * Define product
          */
-        let product: any
-
-        if (!page.params.type && !page.params.name) {
+        const productAPI = (!page.params.type && !page.params.name)
             // Get a random product
-            product = data.posters[getRandomElement(data.posters)]
-        } else {
+            ? data.posters[getRandomElement(data.posters)]
             // Get the current product from slug
-            product = data.posters.find(({ location }: any) => location.slug === page.params.name)
+            : data.posters.find(({ location }: any) => location.slug === page.params.name)
+
+        /**
+         * Get product data from Swell
+         */
+        let productShopRes: any
+
+        const productShop = await fetch('/api/swell', {
+            method: 'POST',
+            body: JSON.stringify({
+                action: 'getProduct',
+                productId: productAPI.product_id,
+            })
+        })
+        if (productShop) {
+            productShopRes = await productShop.json()
         }
 
+
         return {
             props: {
                 shop: data.shop,
                 locations: data.location,
                 posters: data.posters,
-                product,
+                product: productAPI,
+                productShop: productShopRes,
             }
         }
     }
diff --git a/src/style/molecules/_cart-item.scss b/src/style/molecules/_cart-item.scss
new file mode 100644
index 0000000..17a9ea1
--- /dev/null
+++ b/src/style/molecules/_cart-item.scss
@@ -0,0 +1,58 @@
+// Cart item
+.cart-item {
+    display: flex;
+    background-color: #fff;
+    color: $color-gray;
+    margin-bottom: 24px;
+    border-radius: 6px;
+    align-items: center;
+
+    &:last-child {
+        margin-bottom: 0;
+    }
+
+    // Left Image
+    &__left {
+        margin-right: 20px;
+        width: 100px;
+        height: 150px;
+
+        @include bp (sm) {
+            margin-right: 32px;
+            width: 124px;
+            height: 180px;
+        }
+
+        img {
+            display: block;
+            width: 100%;
+            height: 100%;
+            object-fit: cover;
+            border-radius: 6px 0 0 6px;
+        }
+    }
+
+    &__right {
+        // Poster Title
+        h3 {
+            font-family: $font-serif;
+            color: $color-secondary;
+            font-size: rem(20px);
+
+            @include bp (sm) {
+                font-size: rem(28px);
+            }
+        }
+        // Text
+        p {
+            font-size: rem(12px);
+            line-height: 1.4;
+            max-width: 124px;
+            margin: 8px 0 20px;
+
+            @include bp (sm) {
+                font-size: rem(13px);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/style/organisms/_cart.scss b/src/style/organisms/_cart.scss
index 973e003..fb647fa 100644
--- a/src/style/organisms/_cart.scss
+++ b/src/style/organisms/_cart.scss
@@ -33,90 +33,60 @@
                 font-size: rem(48px);
             }
         }
-        // Close
-        a {
+        // Close button
+        button {
+            display: block;
+            padding: 8px 12px;
+            margin-top: 8px;
+            margin-right: -12px;
             color: $color-gray;
             text-decoration: none;
+            transition: color 0.4s;
+
+            &:hover {
+                color: $color-secondary-bright;
+            }
         }
     }
 
-    // Poster Cart
-    .poster-cart {
+    // Content
+    &__content {
+        flex: 1;
+    }
+
+    // Message
+    &__message {
         display: flex;
-        background-color: #fff;
-        color: $color-gray;
-        margin-bottom: 24px;
-        border-radius: 6px;
         align-items: center;
-
-        &:last-child {
-            margin-bottom: 0;
-        }
-
-        // Left Image
-        &__left {
-            margin-right: 20px;
-            width: 100px;
-            height: 150px;
-
-            @include bp (sm) {
-                margin-right: 32px;
-                width: 124px;
-                height: 180px;
-            }
-
-            img {
-                display: block;
-                width: 100%;
-                height: 100%;
-                object-fit: cover;
-                border-radius: 6px 0 0 6px;
-            }
-        }
-
-        &__right {
-            // Poster Title
-            h3 {
-                font-family: $font-serif;
-                color: $color-secondary;
-                font-size: rem(20px);
-
-                @include bp (sm) {
-                    font-size: rem(28px);
-                }
-            }
-            // Text
-            p {
-                font-size: rem(12px);
-                line-height: 1.4;
-                max-width: 124px;
-                margin: 8px 0 20px;
-
-                @include bp (sm) {
-                    font-size: rem(13px);
-                }
-            }
-        }
+        justify-content: center;
+        height: 100%;
+        padding: 24px;
+        background: #fff;
+        color: $color-gray;
+        border-radius: 6px;
     }
 
     // Total
     &__total {
-        color: $color-gray;
-        margin-bottom: 10px;
         margin-top: auto;
-        padding-top: 20px;
+        margin: 24px 0;
+        color: $color-gray;
+
+        @include bp (md) {
+            margin: 32px 0;
+        }
 
         // Sum
         &--sum {
             display: flex;
             align-items: baseline;
+            margin-bottom: 16px;
             padding-bottom: 10px;
-            margin-bottom: 17px;
             border-bottom: 1px solid #E1D0C0;
 
             @include bp (sm) {
-                padding-bottom: 12px;
                 margin-bottom: 32px;
+                padding-bottom: 12px;
             }
 
             h3 {
@@ -129,18 +99,18 @@
                 }
             }
             span {
-                font-size: rem(12px);
                 margin-left: 20px;
+                font-size: rem(12px);
 
                 @include bp (sm) {
                     font-size: rem(13px);
                 }
             }
             p {
+                margin-left: auto;
                 color: $color-secondary;
                 font-family: $font-serif;
                 font-size: rem(26px);
-                margin-left: auto;
 
                 @include bp (sm) {
                     font-size: rem(32px);
@@ -153,16 +123,16 @@
             display: flex;
 
             p {
+                max-width: 180px;
+                margin-right: auto;
                 font-size: rem(11px);
                 line-height: 1.5;
                 color: $color-gray;
-                max-width: 180px;
-                margin-right: auto;
 
                 @include bp (sm) {
+                    max-width: 304px;
                     font-size: rem(12px);
                     line-height: 1.6;
-                    max-width: 190px;
                 }
             }
         }
diff --git a/src/style/style.scss b/src/style/style.scss
index 88edfa2..cc17d6d 100644
--- a/src/style/style.scss
+++ b/src/style/style.scss
@@ -53,6 +53,7 @@
 @import "molecules/issue";
 @import "molecules/newsletter-form";
 @import "molecules/poster";
+@import "molecules/cart-item";
 
 // Organisms
 @import "organisms/locations";
diff --git a/src/utils/store.ts b/src/utils/store.ts
index 199f389..3f0d51a 100644
--- a/src/utils/store.ts
+++ b/src/utils/store.ts
@@ -1,5 +1,27 @@
-import { writable } from 'svelte/store'
+import { writable, derived } from 'svelte/store'
 
-// Shop
-export const cartOpen = writable(false)
-export const cartAmount = writable(3)
\ No newline at end of file
+
+/**
+ * Shop
+ */
+/** Open Cart state */
+export const cartOpen = writable(true)
+
+/** Current Cart ID */
+export const cartId = writable(null)
+
+if (typeof localStorage !== 'undefined') {
+    if (localStorage.getItem('cartId')) {
+        console.log('existant', localStorage.getItem('cartId'))
+        cartId.set(localStorage.getItem('cartId'))
+    }
+    cartId.subscribe(value => localStorage.setItem('cartId', value))
+}
+
+/** Raw Cart data */
+export const cartData = writable(null)
+
+/** Amount of products present in cart */
+export const cartAmount = derived(cartData, ($cart) => {
+    return $cart && $cart.item_quantity > 0 ? $cart.item_quantity : 0
+})
\ No newline at end of file
diff --git a/src/utils/swellFunctions.ts b/src/utils/swellFunctions.ts
new file mode 100644
index 0000000..943c418
--- /dev/null
+++ b/src/utils/swellFunctions.ts
@@ -0,0 +1,102 @@
+import swell from 'swell-node'
+
+// Init Swell
+swell.init(import.meta.env.VITE_SWELL_STORE_ID, import.meta.env.VITE_SWELL_API_TOKEN)
+
+
+
+/**
+ * Retrieve a product
+ */
+export const getProduct = async (id: string) => {
+    const product = await swell.get(`/products/${id}`)
+
+    if (product) {
+        return product
+    }
+}
+
+
+/**
+ * Create a cart
+ */
+export const createCart = async () => {
+    const cart = await swell.post('/carts', {})
+
+    if (cart) {
+        return cart
+    }
+}
+
+
+/**
+ * Retrieve cart
+ */
+export const fetchCart = async (cartId: string) => {
+    const cart = await swell.get('/carts/{id}', {
+        id: cartId,
+        expand: [
+            'items.product',
+            'items.variant',
+        ]
+    })
+
+    if (cart) {
+        return cart
+    }
+}
+
+
+/**
+ * Add product to cart
+ */
+export const addToCart = async (cartId: string, productId: string, quantity: number) => {
+    // TODO: Update current product quantity if adding again, otherwise add new product to existing items
+    const updatedCart = await swell.put('/carts/{id}', {
+        id: cartId,
+        items: [{
+            product_id: productId,
+            quantity: quantity,
+            expand: [
+                'items.product',
+                'items.variant',
+            ]
+        }],
+    })
+
+    if (updatedCart) {
+        return updatedCart
+    }
+}
+
+
+/**
+ * Update cart item
+ */
+export const updateCartItem = async (cartId: string, productId: string, quantity: number) => {
+    // Fetch current cart data
+    const currentCart = await fetchCart(cartId)
+
+    // Update cart
+    // const itemToUpdate = currentCart.items.find((item: any) => item.id === productId)
+    // itemToUpdate.quantity = quantity
+
+    // Updated items with replacing new item quantity
+    const updatedCartItems = currentCart.items.map((item: any) => {
+        console.log(item)
+        return item
+    })
+
+    // const updatedCart = await swell.put('/carts/{id}', {
+    //     id: cartId,
+    //     items: updatedItems,
+    // })
+
+    // console.log(updatedCart)
+
+    return currentCart
+    // if (updatedCart) {
+    //     return {}
+    //     // return updatedCart
+    // }
+}
\ No newline at end of file