From 3770bcca65e85af7273a3f565b3ca616f852e936 Mon Sep 17 00:00:00 2001
From: Rafi Zadanly <zadanlyr@gmail.com>
Date: Tue, 10 Jan 2023 05:38:03 +0700
Subject: optimize cart code

---
 src/pages/shop/cart.js | 246 ++++++++++++++++++++++++++-----------------------
 1 file changed, 130 insertions(+), 116 deletions(-)

(limited to 'src')

diff --git a/src/pages/shop/cart.js b/src/pages/shop/cart.js
index e480d117..cdb79178 100644
--- a/src/pages/shop/cart.js
+++ b/src/pages/shop/cart.js
@@ -42,7 +42,6 @@ export default function Cart() {
     show: false
   });
 
-  
   useEffect(() => {
     const getProducts = async () => {
       let cart = getCart();
@@ -150,6 +149,129 @@ export default function Cart() {
     setProducts([...productsToUpdate]);
   }
 
+  // Components
+  const CartEmpty = () => (
+    <div className="text-center mt-14">
+      <ExclamationTriangleIcon className="w-12 mx-auto"/>
+      <p className="mt-2 h2">Keranjang belanja anda masih kosong.</p>
+      <Link href="/" className="btn-yellow text-gray_r-12 mx-auto mt-4">Mulai Belanja</Link>
+    </div>
+  );
+  
+  const CartLoader = () => (
+    <div className="flex justify-center items-center gap-x-3 mt-14">
+      <Spinner className="w-10 text-gray_r-8 fill-gray_r-12" />
+    </div>
+  );
+  
+  const CartWarningAlert = () => {
+    <div className="p-4">
+      <Alert type="warning" className="text-caption-2 flex gap-x-3 items-center">
+        <div>
+          <ExclamationCircleIcon className="w-8 text-yellow_r-11"/>
+        </div>
+        <span>Mohon dicek kembali & pastikan pesanan kamu sudah sesuai dengan yang kamu butuhkan. Atau bisa hubungi kami.</span>
+      </Alert>
+    </div>
+  };
+
+  const CartProductList = () => (
+    <div className="p-4 flex flex-col gap-y-6">
+      <div className="flex justify-between items-center">
+        <h2>Daftar Produk Belanja</h2>
+        <Link href="/" className="text-caption-1">Cari Produk Lain</Link>
+      </div>
+      {products.map((product, index) => (
+        <div className="flex gap-x-3" key={index}>
+          <div className="w-4/12 flex items-center gap-x-2" onClick={() => toggleProductSelected(product.id)}>
+            <button 
+              className={'p-2 rounded border-2 ' + (product.selected ? 'border-yellow_r-9 bg-yellow_r-9' : 'border-gray_r-12')} 
+            ></button>
+            <Image
+              src={product.parent.image} 
+              alt={product.parent.name} 
+              className="object-contain object-center border border-gray_r-6 h-32 w-full rounded-md"
+            />
+          </div>
+          <div className="w-8/12 flex flex-col">
+            <Link href={'/shop/product/' + createSlug(product.parent.name, product.parent.id)} className="product-card__title wrap-line-ellipsis-2">
+              {product.parent.name}
+            </Link>
+            <p className="text-caption-2 text-gray_r-11 mt-1">
+              {product.code || '-'}
+              {product.attributes.length > 0 ? ` | ${product.attributes.join(', ')}` : ''}
+            </p>
+            <div className="flex flex-wrap gap-x-1 items-center mb-2 mt-auto">
+              <p className="text-caption-2 text-gray_r-12">{currencyFormat(product.price.price_discount)}</p>
+              {product.price.discount_percentage > 0 && (
+                <>
+                  <span className="badge-red">{product.price.discount_percentage}%</span>
+                  <p className="text-caption-2 text-gray_r-11 line-through">{currencyFormat(product.price.price)}</p>
+                </>
+              )}
+            </div>
+            <div className="flex items-center">
+              <p className="mr-auto text-caption-2 text-gray_r-12 font-bold">{currencyFormat(product.quantity * product.price.price_discount)}</p>
+              <div className="flex gap-x-2 items-center">
+                <button 
+                  className="btn-red p-2 rounded"
+                  onClick={() => showDeleteConfirmation(product.id)}
+                >
+                  <TrashIcon className="text-red_r-11 w-3"/>
+                </button>
+                <button 
+                  className="btn-light p-2 rounded" 
+                  disabled={product.quantity == 1} 
+                  onClick={() => minusQuantity(product.id)}
+                >
+                  <MinusIcon className={'text-gray_r-12 w-3' + (product.quantity == 1 ? ' text-gray_r-11' : '')}/>
+                </button>
+                <input 
+                  type="number" 
+                  className="bg-transparent border-none w-6 text-center outline-none" 
+                  onBlur={(e) => blurQuantity(product.id, e.target.value)} 
+                  onChange={(e) => updateQuantity(product.id, e.target.value)} 
+                  value={product.quantity} 
+                />
+                <button className="btn-light p-2 rounded" onClick={() => plusQuantity(product.id)}>
+                  <PlusIcon className="text-gray_r-12 w-3"/>
+                </button>
+              </div>
+            </div>
+          </div>
+        </div>
+      ))}
+    </div>
+  );
+
+  const ActionButton = () => (
+    <div className="p-4 bg-gray_r-1 sticky bottom-0 border-t-4 border-gray_r-4">
+      <div className="flex">
+        <p>Total</p>
+        <p className="text-gray_r-11 ml-1">{getProductsSelected().length > 0 && (
+          <>({ getProductsSelected().length } Barang)</>
+        )}</p>
+        <p className="font-semibold text-red_r-11 ml-auto">{currencyFormat(totalPriceBeforeTax + totalTaxAmount - totalDiscountAmount)}</p>
+      </div>
+      
+      <div className="flex gap-x-3 mt-4">
+        <button 
+          className="flex-1 btn-light"
+          disabled={getProductsSelected().length == 0}
+        >
+          Quotation {getProductsSelected().length > 0 && `(${getProductsSelected().length})`}
+        </button>
+        <button 
+          className="flex-1 btn-yellow"
+          disabled={getProductsSelected().length == 0}
+          onClick={() => router.push('/shop/checkout')}
+        >
+          Checkout {getProductsSelected().length > 0 && `(${getProductsSelected().length})`}
+        </button>
+      </div>
+    </div>
+  );
+
   return (
     <>
       <ConfirmAlert 
@@ -163,19 +285,9 @@ export default function Cart() {
       <Layout>
         <AppBar title="Keranjang Saya" />
 
-        {isLoadingProducts && (
-          <div className="flex justify-center items-center gap-x-3 mt-14">
-            <Spinner className="w-10 text-gray_r-8 fill-gray_r-12" />
-          </div>
-        )}
+        {isLoadingProducts && <CartLoader /> }
 
-        { !isLoadingProducts && products.length == 0 && (
-          <div className="text-center mt-14">
-            <ExclamationTriangleIcon className="w-12 mx-auto"/>
-            <p className="mt-2 h2">Keranjang belanja anda masih kosong.</p>
-            <Link href="/" className="btn-yellow text-gray_r-12 mx-auto mt-4">Mulai Belanja</Link>
-          </div>
-        ) }
+        { !isLoadingProducts && products.length == 0 && <CartEmpty /> }
 
         { !isLoadingProducts && products.length > 0 && (
           <>
@@ -184,113 +296,15 @@ export default function Cart() {
               labels={['Keranjang', 'Pembayaran', 'Selesai']}
             />
 
-            <LineDivider/>
+            <LineDivider />
 
-            {/* --- Start Alert */}
-            <div className="p-4">
-              <Alert type="warning" className="text-caption-2 flex gap-x-3 items-center">
-                <div>
-                  <ExclamationCircleIcon className="w-8 text-yellow_r-11"/>
-                </div>
-                <span>Mohon dicek kembali & pastikan pesanan kamu sudah sesuai dengan yang kamu butuhkan. Atau bisa hubungi kami.</span>
-              </Alert>
-            </div>
-            {/* ---- End Alert */}
+            <CartWarningAlert />
 
-            <LineDivider/>
+            <LineDivider />
 
-            <div className="p-4 flex flex-col gap-y-6">
-              <div className="flex justify-between items-center">
-                <h2>Daftar Produk Belanja</h2>
-                <Link href="/" className="text-caption-1">Cari Produk Lain</Link>
-              </div>
-              {products.map((product, index) => (
-                <div className="flex gap-x-3" key={index}>
-                  <div className="w-4/12 flex items-center gap-x-2" onClick={() => toggleProductSelected(product.id)}>
-                    <button 
-                      className={'p-2 rounded border-2 ' + (product.selected ? 'border-yellow_r-9 bg-yellow_r-9' : 'border-gray_r-12')} 
-                    ></button>
-                    <Image
-                      src={product.parent.image} 
-                      alt={product.parent.name} 
-                      className="object-contain object-center border border-gray_r-6 h-32 w-full rounded-md"
-                    />
-                  </div>
-                  <div className="w-8/12 flex flex-col">
-                    <Link href={'/shop/product/' + createSlug(product.parent.name, product.parent.id)} className="product-card__title wrap-line-ellipsis-2">
-                      {product.parent.name}
-                    </Link>
-                    <p className="text-caption-2 text-gray_r-11 mt-1">
-                      {product.code || '-'}
-                      {product.attributes.length > 0 ? ` | ${product.attributes.join(', ')}` : ''}
-                    </p>
-                    <div className="flex flex-wrap gap-x-1 items-center mb-2 mt-auto">
-                      <p className="text-caption-2 text-gray_r-12">{currencyFormat(product.price.price_discount)}</p>
-                      {product.price.discount_percentage > 0 && (
-                        <>
-                          <span className="badge-red">{product.price.discount_percentage}%</span>
-                          <p className="text-caption-2 text-gray_r-11 line-through">{currencyFormat(product.price.price)}</p>
-                        </>
-                      )}
-                    </div>
-                    <div className="flex items-center">
-                      <p className="mr-auto text-caption-2 text-gray_r-12 font-bold">{currencyFormat(product.quantity * product.price.price_discount)}</p>
-                      <div className="flex gap-x-2 items-center">
-                        <button 
-                          className="btn-red p-2 rounded"
-                          onClick={() => showDeleteConfirmation(product.id)}
-                        >
-                          <TrashIcon className="text-red_r-11 w-3"/>
-                        </button>
-                        <button 
-                          className="btn-light p-2 rounded" 
-                          disabled={product.quantity == 1} 
-                          onClick={() => minusQuantity(product.id)}
-                        >
-                          <MinusIcon className={'text-gray_r-12 w-3' + (product.quantity == 1 ? ' text-gray_r-11' : '')}/>
-                        </button>
-                        <input 
-                          type="number" 
-                          className="bg-transparent border-none w-6 text-center outline-none" 
-                          onBlur={(e) => blurQuantity(product.id, e.target.value)} 
-                          onChange={(e) => updateQuantity(product.id, e.target.value)} 
-                          value={product.quantity} 
-                        />
-                        <button className="btn-light p-2 rounded" onClick={() => plusQuantity(product.id)}>
-                          <PlusIcon className="text-gray_r-12 w-3"/>
-                        </button>
-                      </div>
-                    </div>
-                  </div>
-                </div>
-              ))}
-            </div>
+            <CartProductList />
 
-            <div className="p-4 bg-gray_r-1 sticky bottom-0 border-t-4 border-gray_r-4">
-              <div className="flex">
-                <p>Total</p>
-                <p className="text-gray_r-11 ml-1">{getProductsSelected().length > 0 && (
-                  <>({ getProductsSelected().length } Barang)</>
-                )}</p>
-                <p className="font-semibold text-red_r-11 ml-auto">{currencyFormat(totalPriceBeforeTax + totalTaxAmount - totalDiscountAmount)}</p>
-              </div>
-              
-              <div className="flex gap-x-3 mt-4">
-                <button 
-                  className="flex-1 btn-light"
-                  disabled={getProductsSelected().length == 0}
-                >
-                  Quotation {getProductsSelected().length > 0 && `(${getProductsSelected().length})`}
-                </button>
-                <button 
-                  className="flex-1 btn-yellow"
-                  disabled={getProductsSelected().length == 0}
-                  onClick={() => router.push('/shop/checkout')}
-                >
-                  Checkout {getProductsSelected().length > 0 && `(${getProductsSelected().length})`}
-                </button>
-              </div>
-            </div>
+            <ActionButton />
           </>
         ) }
       </Layout>
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