Chapter 12 - Implement deleting invoices

app/dashboard/(overview)/loading.tsx

@@ -0,0 +1,5 @@
+import DashboardSkeleton from '@/app/ui/skeletons';
+
+export default function Loading() {
+    return <DashboardSkeleton />;
+}

app/dashboard/(overview)/page.tsx

@@ -2,12 +2,12 @@ import { Card } from '@/app/ui/dashboard/cards';
 import RevenueChart from '@/app/ui/dashboard/revenue-chart';
 import LatestInvoices from '@/app/ui/dashboard/latest-invoices';
 import { lusitana } from '@/app/ui/fonts';
-import { fetchRevenue, fetchLatestInvoices, fetchCardData} from "@/app/lib/data";
-
+import { fetchCardData} from "@/app/lib/data";
+import { Suspense } from 'react';
+import {CardsSkeleton, LatestInvoicesSkeleton, RevenueChartSkeleton} from '@/app/ui/skeletons';
+import CardWrapper from '@/app/ui/dashboard/cards';
 export default async function Page() {
 
-    const revenue = await fetchRevenue();
-    const latestInvoices = await fetchLatestInvoices();
 
     const {
         numberOfInvoices,
@@ -21,18 +21,17 @@ export default async function Page() {
                 Dashboard
             </h1>
             <div className="grid gap-6 sm:grid-cols-2 lg:grid-cols-4">
-                <Card title="Collected" value={totalPaidInvoices} type="collected" />
-                <Card title="Pending" value={totalPendingInvoices} type="pending" />
-                <Card title="Total Invoices" value={numberOfInvoices} type="invoices" />
-                <Card
-                  title="Total Customers"
-                  value={numberOfCustomers}
-                  type="customers"
-                />
+                <Suspense fallback={<CardsSkeleton />}>
+                    <CardWrapper />
+                </Suspense>
             </div>
             <div className="mt-6 grid grid-cols-1 gap-6 md:grid-cols-4 lg:grid-cols-8">
-                 <RevenueChart revenue={revenue}  />
-                 <LatestInvoices latestInvoices={latestInvoices} />
+                <Suspense fallback={<RevenueChartSkeleton />}>
+                    <RevenueChart />
+                </Suspense>
+                <Suspense fallback={<LatestInvoicesSkeleton />}>
+                    <LatestInvoices />
+                </Suspense>
             </div>
         </main>
     );

app/dashboard/invoices/[id]/edit/page.tsx

@@ -0,0 +1,26 @@
+import Form from '@/app/ui/invoices/edit-form';
+import Breadcrumbs from '@/app/ui/invoices/breadcrumbs';
+import {fetchCustomers, fetchInvoiceById} from '@/app/lib/data';
+
+export default async function Page({ params }: { params: { id: string } }) {
+    const id = params.id;
+    const [invoice, customers] = await Promise.all([
+        fetchInvoiceById(id),
+        fetchCustomers(),
+    ]);
+    return (
+        <main>
+            <Breadcrumbs
+                breadcrumbs={[
+                    { label: 'Invoices', href: '/dashboard/invoices' },
+                    {
+                        label: 'Edit Invoice',
+                        href: `/dashboard/invoices/${id}/edit`,
+                        active: true,
+                    },
+                ]}
+            />
+            <Form invoice={invoice} customers={customers} />
+        </main>
+    );
+}

app/dashboard/invoices/create/page.tsx

@@ -0,0 +1,23 @@
+import Form from '@/app/ui/invoices/create-form';
+import Breadcrumbs from '@/app/ui/invoices/breadcrumbs';
+import { fetchCustomers } from '@/app/lib/data';
+
+export default async function Page() {
+    const customers = await fetchCustomers();
+
+    return (
+        <main>
+            <Breadcrumbs
+                breadcrumbs={[
+                    { label: 'Invoices', href: '/dashboard/invoices' },
+                    {
+                        label: 'Create Invoice',
+                        href: '/dashboard/invoices/create',
+                        active: true,
+                    },
+                ]}
+            />
+            <Form customers={customers} />
+        </main>
+    );
+}

app/dashboard/invoices/page.tsx

@@ -1,3 +1,39 @@
-export default function InvoicesPage() {
-    return <p>Invoices page</p>
+import Pagination from '@/app/ui/invoices/pagination';
+import Search from '@/app/ui/search';
+import Table from '@/app/ui/invoices/table';
+import { CreateInvoice } from '@/app/ui/invoices/buttons';
+import { lusitana } from '@/app/ui/fonts';
+import { InvoicesTableSkeleton } from '@/app/ui/skeletons';
+import { Suspense } from 'react';
+import {fetchInvoicesPages} from "@/app/lib/data";
+
+export default async function Page({
+                                       searchParams,
+                                   }: {
+    searchParams?: {
+        query?: string;
+        page?: string;
+    };
+}) {
+    const query = searchParams?.query || '';
+    const currentPage = Number(searchParams?.page) || 1;
+    const totalPages = await fetchInvoicesPages(query);
+
+    return (
+        <div className="w-full">
+            <div className="flex w-full items-center justify-between">
+                <h1 className={`${lusitana.className} text-2xl`}>Invoices</h1>
+            </div>
+            <div className="mt-4 flex items-center justify-between gap-2 md:mt-8">
+                <Search placeholder="Search invoices..." />
+                <CreateInvoice />
+            </div>
+            <Suspense key={query + currentPage} fallback={<InvoicesTableSkeleton />}>
+        <Table query={query} currentPage={currentPage} />
+      </Suspense>
+            <div className="mt-5 flex w-full justify-center">
+                <Pagination totalPages={totalPages} />
+            </div>
+        </div>
+    );
 }

app/lib/actions.ts

@@ -0,0 +1,63 @@
+'use server';
+
+import { z } from 'zod';
+import { sql } from '@vercel/postgres';
+import { revalidatePath } from 'next/cache';
+import {redirect} from "next/navigation";
+
+const FormSchema = z.object({
+    id: z.string(),
+    customerId: z.string(),
+    amount: z.coerce.number(),
+    status: z.enum(['pending', 'paid']),
+    date: z.string(),
+});
+
+const UpdateInvoice = FormSchema.omit({ id: true, date: true });
+
+const CreateInvoice = FormSchema.omit({ id: true, date: true });
+
+export async function createInvoice(formData: FormData) {
+
+    const { customerId, amount, status } = CreateInvoice.parse({
+        customerId: formData.get('customerId'),
+        amount: formData.get('amount'),
+        status: formData.get('status'),
+    });
+
+    const amountInCents = amount * 100;
+    const date = new Date().toISOString().split('T')[0];
+
+    await sql`
+    INSERT INTO invoices (customer_id, amount, status, date)
+    VALUES (${customerId}, ${amountInCents}, ${status}, ${date})
+  `;
+
+    revalidatePath('/dashboard/invoices');
+    redirect('/dashboard/invoices');
+}
+
+
+export async function updateInvoice(id: string, formData: FormData) {
+    const { customerId, amount, status } = UpdateInvoice.parse({
+        customerId: formData.get('customerId'),
+        amount: formData.get('amount'),
+        status: formData.get('status'),
+    });
+
+    const amountInCents = amount * 100;
+
+    await sql`
+    UPDATE invoices
+    SET customer_id = ${customerId}, amount = ${amountInCents}, status = ${status}
+    WHERE id = ${id}
+  `;
+
+    revalidatePath('/dashboard/invoices');
+    redirect('/dashboard/invoices');
+}
+
+export async function deleteInvoice(id: string) {
+    await sql`DELETE FROM invoices WHERE id = ${id}`;
+    revalidatePath('/dashboard/invoices');
+}

app/page.tsx

@@ -27,8 +27,12 @@ export default function Page() {
               className="flex items-center gap-5 self-start rounded-lg bg-blue-500 px-6 py-3 text-sm font-medium text-white transition-colors hover:bg-blue-400 md:text-base"
           >
             <span>Log in</span> <ArrowRightIcon className="w-5 md:w-6"/>
-          </Link>
+          </Link><Link href="/dashboard"
+                       className="flex items-center gap-5 self-start rounded-lg bg-blue-500 px-6 py-3 text-sm font-medium text-white transition-colors hover:bg-blue-400 md:text-base"
+        ><span> Dasbhoard</span> <ArrowRightIcon className="w-5 md:w-6"/></Link>
+
         </div>
+
           <div className="flex items-center justify-center p-6 md:w-3/5 md:px-28 md:py-12">
           {/* Add Hero Images Here */}
             <Image

app/ui/dashboard/cards.tsx

@@ -5,6 +5,7 @@ import {
   InboxIcon,
 } from '@heroicons/react/24/outline';
 import { lusitana } from '@/app/ui/fonts';
+import {fetchCardData} from "@/app/lib/data";
 
 const iconMap = {
   collected: BanknotesIcon,
@@ -14,18 +15,22 @@ const iconMap = {
 };
 
 export default async function CardWrapper() {
+  const {
+    numberOfInvoices,
+    numberOfCustomers,
+    totalPaidInvoices,
+    totalPendingInvoices,
+  } = await fetchCardData();
   return (
     <>
-      {/* NOTE: comment in this code when you get to this point in the course */}
-
-      {/* <Card title="Collected" value={totalPaidInvoices} type="collected" />
+       <Card title="Collected" value={totalPaidInvoices} type="collected" />
       <Card title="Pending" value={totalPendingInvoices} type="pending" />
       <Card title="Total Invoices" value={numberOfInvoices} type="invoices" />
       <Card
         title="Total Customers"
         value={numberOfCustomers}
         type="customers"
-      /> */}
+      />
     </>
   );
 }

app/ui/dashboard/latest-invoices.tsx

@@ -3,11 +3,10 @@ import clsx from 'clsx';
 import Image from 'next/image';
 import { lusitana } from '@/app/ui/fonts';
 import { LatestInvoice } from '@/app/lib/definitions';
-export default async function LatestInvoices({
-  latestInvoices,
-}: {
-  latestInvoices: LatestInvoice[];
-}) {
+import {fetchLatestInvoices} from "@/app/lib/data";
+export default async function LatestInvoices() {
+    const latestInvoices = await fetchLatestInvoices();
+
     return (
     <div className="flex w-full flex-col md:col-span-4">
       <h2 className={`${lusitana.className} mb-4 text-xl md:text-2xl`}>

app/ui/dashboard/revenue-chart.tsx

@@ -3,17 +3,17 @@ import { CalendarIcon } from '@heroicons/react/24/outline';
 import { lusitana } from '@/app/ui/fonts';
 import { Revenue } from '@/app/lib/definitions';
 
+import { fetchRevenue } from '@/app/lib/data';
+
 // This component is representational only.
 // For data visualization UI, check out:
 // https://www.tremor.so/
 // https://www.chartjs.org/
 // https://airbnb.io/visx/
 
-export default async function RevenueChart({
-  revenue,
-}: {
-  revenue: Revenue[];
-}) {
+
+export default async function RevenueChart() { // Make component async, remove the props
+    const revenue = await fetchRevenue(); // Fetch data inside the component
   const chartHeight = 350;
   // NOTE: comment in this code when you get to this point in the course
 

app/ui/invoices/buttons.tsx

@@ -1,5 +1,6 @@
 import { PencilIcon, PlusIcon, TrashIcon } from '@heroicons/react/24/outline';
 import Link from 'next/link';
+import {deleteInvoice} from "@/app/lib/actions";
 
 export function CreateInvoice() {
   return (
@@ -16,7 +17,7 @@ export function CreateInvoice() {
 export function UpdateInvoice({ id }: { id: string }) {
   return (
     <Link
-      href="/dashboard/invoices"
+      href={`/dashboard/invoices/${id}/edit`}
       className="rounded-md border p-2 hover:bg-gray-100"
     >
       <PencilIcon className="w-5" />
@@ -25,12 +26,13 @@ export function UpdateInvoice({ id }: { id: string }) {
 }
 
 export function DeleteInvoice({ id }: { id: string }) {
+  const deleteInvoiceWithId = deleteInvoice.bind(null, id);
   return (
-    <>
+    <form action={deleteInvoiceWithId}>
       <button className="rounded-md border p-2 hover:bg-gray-100">
         <span className="sr-only">Delete</span>
         <TrashIcon className="w-5" />
       </button>
-    </>
+    </form>
   );
 }

app/ui/invoices/create-form.tsx

@@ -7,10 +7,11 @@ import {
   UserCircleIcon,
 } from '@heroicons/react/24/outline';
 import { Button } from '@/app/ui/button';
+import {createInvoice} from "@/app/lib/actions";
 
 export default function Form({ customers }: { customers: CustomerField[] }) {
   return (
-    <form>
+    <form action={createInvoice}>
       <div className="rounded-md bg-gray-50 p-4 md:p-6">
         {/* Customer Name */}
         <div className="mb-4">

app/ui/invoices/edit-form.tsx

@@ -9,6 +9,7 @@ import {
 } from '@heroicons/react/24/outline';
 import Link from 'next/link';
 import { Button } from '@/app/ui/button';
+import { updateInvoice } from '@/app/lib/actions';
 
 export default function EditInvoiceForm({
   invoice,
@@ -17,8 +18,10 @@ export default function EditInvoiceForm({
   invoice: InvoiceForm;
   customers: CustomerField[];
 }) {
+
+  const updateInvoiceWithId = updateInvoice.bind(null, invoice.id);
   return (
-    <form>
+    <form action={updateInvoiceWithId}>
       <div className="rounded-md bg-gray-50 p-4 md:p-6">
         {/* Customer Name */}
         <div className="mb-4">

app/ui/invoices/pagination.tsx

@@ -4,17 +4,27 @@ import { ArrowLeftIcon, ArrowRightIcon } from '@heroicons/react/24/outline';
 import clsx from 'clsx';
 import Link from 'next/link';
 import { generatePagination } from '@/app/lib/utils';
+import { usePathname, useSearchParams } from 'next/navigation';
 
 export default function Pagination({ totalPages }: { totalPages: number }) {
   // NOTE: comment in this code when you get to this point in the course
+    const pathname = usePathname();
+    const searchParams = useSearchParams();
+    const currentPage = Number(searchParams.get('page')) || 1;
 
-  // const allPages = generatePagination(currentPage, totalPages);
+    const createPageURL = (pageNumber: number | string) => {
+        const params = new URLSearchParams(searchParams);
+        params.set('page', pageNumber.toString());
+        return `${pathname}?${params.toString()}`;
+    };
+
+  const allPages = generatePagination(currentPage, totalPages);
 
   return (
     <>
       {/* NOTE: comment in this code when you get to this point in the course */}
 
-      {/* <div className="inline-flex">
+      <div className="inline-flex">
         <PaginationArrow
           direction="left"
           href={createPageURL(currentPage - 1)}
@@ -47,7 +57,7 @@ export default function Pagination({ totalPages }: { totalPages: number }) {
           href={createPageURL(currentPage + 1)}
           isDisabled={currentPage >= totalPages}
         />
-      </div> */}
+      </div>
     </>
   );
 }

app/ui/search.tsx

@@ -1,8 +1,25 @@
 'use client';
 
 import { MagnifyingGlassIcon } from '@heroicons/react/24/outline';
+import {usePathname, useRouter, useSearchParams} from "next/navigation";
+import { useDebouncedCallback } from 'use-debounce';
 
 export default function Search({ placeholder }: { placeholder: string }) {
+    const searchParams = useSearchParams();
+    const pathname = usePathname();
+    const { replace } = useRouter();
+
+    const handleSearch = useDebouncedCallback((term) => {
+        console.log(`Searching... ${term}`);
+        const params = new URLSearchParams(searchParams);
+        if (term) {
+            params.set('query', term);
+        } else {
+            params.delete('query');
+        }
+
+        replace(`${pathname}?${params.toString()}`);
+    }, 300)
   return (
     <div className="relative flex flex-1 flex-shrink-0">
       <label htmlFor="search" className="sr-only">
@@ -11,6 +28,10 @@ export default function Search({ placeholder }: { placeholder: string }) {
       <input
         className="peer block w-full rounded-md border border-gray-200 py-[9px] pl-10 text-sm outline-2 placeholder:text-gray-500"
         placeholder={placeholder}
+        onChange={(e) => {
+            handleSearch(e.target.value);
+        }}
+        defaultValue={searchParams.get('query')?.toString()}
       />
       <MagnifyingGlassIcon className="absolute left-3 top-1/2 h-[18px] w-[18px] -translate-y-1/2 text-gray-500 peer-focus:text-gray-900" />
     </div>

package-lock.json

@@ -18,6 +18,7 @@
         "react-dom": "18.2.0",
         "tailwindcss": "3.3.3",
         "typescript": "5.2.2",
+        "use-debounce": "^10.0.0",
         "zod": "^3.22.2"
       },
       "devDependencies": {
@@ -7100,6 +7101,17 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/use-debounce": {
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/use-debounce/-/use-debounce-10.0.0.tgz",
+      "integrity": "sha512-XRjvlvCB46bah9IBXVnq/ACP2lxqXyZj0D9hj4K5OzNroMDpTEBg8Anuh1/UfRTRs7pLhQ+RiNxxwZu9+MVl1A==",
+      "engines": {
+        "node": ">= 16.0.0"
+      },
+      "peerDependencies": {
+        "react": ">=16.8.0"
+      }
+    },
     "node_modules/utf-8-validate": {
       "version": "6.0.3",
       "resolved": "https://registry.npmjs.org/utf-8-validate/-/utf-8-validate-6.0.3.tgz",

package.json

@@ -22,6 +22,7 @@
     "react-dom": "18.2.0",
     "tailwindcss": "3.3.3",
     "typescript": "5.2.2",
+    "use-debounce": "^10.0.0",
     "zod": "^3.22.2"
   },
   "devDependencies": {