Use modal dialogs for expense creation & edition (#10)

* First attemps at using route interception and modals

* Remove route interception

* Make it work

* Use Vaul on small screens

* Improve vaul

src/app/groups/[groupId]/@modal/default.tsx

@@ -0,0 +1,3 @@
+export default function Default() {
+  return null
+}

src/app/groups/[groupId]/@modal/expense-modal.tsx

@@ -0,0 +1,83 @@
+'use client'
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+} from '@/components/ui/dialog'
+import { useRouter } from 'next/navigation'
+import { ReactNode, useEffect, useState } from 'react'
+import { Drawer } from 'vaul'
+
+type Props = {
+  children: ReactNode
+  title: ReactNode
+}
+
+export function ExpenseModal(props: Props) {
+  const size = useTailwindBreakpoint()
+  if (size === 'xs') {
+    return <ExpenseVaul {...props} />
+  } else {
+    return <ExpenseDialog {...props} />
+  }
+}
+
+export function ExpenseDialog({ children, title }: Props) {
+  const router = useRouter()
+
+  return (
+    <Dialog open onOpenChange={() => router.back()}>
+      <DialogContent className="w-full max-w-screen-sm">
+        <DialogHeader>
+          <DialogTitle>{title}</DialogTitle>
+        </DialogHeader>
+        {children}
+      </DialogContent>
+    </Dialog>
+  )
+}
+
+export function ExpenseVaul({ children, title }: Props) {
+  const router = useRouter()
+  return (
+    <Drawer.Root open onClose={() => router.back()}>
+      <Drawer.Portal>
+        <Drawer.Title>{title}</Drawer.Title>
+        <Drawer.Overlay className="fixed inset-0 bg-background/80 backdrop-blur-sm" />
+        <Drawer.Content className="bg-background border flex flex-col rounded-t-[10px] max-h-[90dvh] mt-24 fixed bottom-0 left-0 right-0 z-50">
+          <div className="mx-auto w-12 h-1.5 flex-shrink-0 rounded-full bg-gray-300 dark:bg-gray-700 mt-4"></div>
+          <div className="text-xl font-bold p-4">{title}</div>
+          <div className="flex-1 overflow-y-auto p-4 pt-0">{children}</div>
+        </Drawer.Content>
+      </Drawer.Portal>
+    </Drawer.Root>
+  )
+}
+
+export function useTailwindBreakpoint() {
+  const [size, setSize] = useState<'xs' | 'sm' | 'md' | 'lg'>('xs')
+
+  useEffect(() => {
+    const handleBreakpointChange = () => {
+      if (window.innerWidth >= 1200) {
+        setSize('lg')
+      } else if (window.innerWidth >= 768) {
+        setSize('md')
+      } else if (window.innerWidth >= 640) {
+        setSize('sm')
+      } else {
+        setSize('xs')
+      }
+    }
+
+    window.addEventListener('resize', handleBreakpointChange)
+    handleBreakpointChange()
+
+    return () => {
+      window.removeEventListener('resize', handleBreakpointChange)
+    }
+  }, [])
+
+  return size
+}

src/app/groups/[groupId]/@modal/expenses/[expenseId]/edit/page.tsx

@@ -0,0 +1,26 @@
+import { ExpenseModal } from '@/app/groups/[groupId]/@modal/expense-modal'
+import { ExpenseForm } from '@/components/expense-form'
+import { getExpense, getGroup } from '@/lib/api'
+import { Metadata } from 'next'
+import { notFound } from 'next/navigation'
+
+export const metadata: Metadata = {
+  title: 'Edit expense',
+}
+
+export default async function EditExpensePage({
+  params: { groupId, expenseId },
+}: {
+  params: { groupId: string; expenseId: string }
+}) {
+  const group = await getGroup(groupId)
+  if (!group) notFound()
+  const expense = await getExpense(groupId, expenseId)
+  if (!expense) notFound()
+
+  return (
+    <ExpenseModal title="Edit expense">
+      <ExpenseForm group={group} expense={expense} />
+    </ExpenseModal>
+  )
+}

src/app/groups/[groupId]/@modal/expenses/create/page.tsx

@@ -0,0 +1,24 @@
+import { ExpenseModal } from '@/app/groups/[groupId]/@modal/expense-modal'
+import { ExpenseForm } from '@/components/expense-form'
+import { getGroup } from '@/lib/api'
+import { Metadata } from 'next'
+import { notFound } from 'next/navigation'
+
+export const metadata: Metadata = {
+  title: 'Create expense',
+}
+
+export default async function ExpensePage({
+  params: { groupId },
+}: {
+  params: { groupId: string }
+}) {
+  const group = await getGroup(groupId)
+  if (!group) notFound()
+
+  return (
+    <ExpenseModal title="Create expense">
+      <ExpenseForm group={group} />
+    </ExpenseModal>
+  )
+}

src/app/groups/[groupId]/expenses/[expenseId]/edit/page.tsx

@@ -1,42 +0,0 @@
-import { ExpenseForm } from '@/components/expense-form'
-import { deleteExpense, getExpense, getGroup, updateExpense } from '@/lib/api'
-import { expenseFormSchema } from '@/lib/schemas'
-import { Metadata } from 'next'
-import { notFound, redirect } from 'next/navigation'
-
-export const metadata: Metadata = {
-  title: 'Edit expense',
-}
-
-export default async function EditExpensePage({
-  params: { groupId, expenseId },
-}: {
-  params: { groupId: string; expenseId: string }
-}) {
-  const group = await getGroup(groupId)
-  if (!group) notFound()
-  const expense = await getExpense(groupId, expenseId)
-  if (!expense) notFound()
-
-  async function updateExpenseAction(values: unknown) {
-    'use server'
-    const expenseFormValues = expenseFormSchema.parse(values)
-    await updateExpense(groupId, expenseId, expenseFormValues)
-    redirect(`/groups/${groupId}`)
-  }
-
-  async function deleteExpenseAction() {
-    'use server'
-    await deleteExpense(expenseId)
-    redirect(`/groups/${groupId}`)
-  }
-
-  return (
-    <ExpenseForm
-      group={group}
-      expense={expense}
-      onSubmit={updateExpenseAction}
-      onDelete={deleteExpenseAction}
-    />
-  )
-}

src/app/groups/[groupId]/expenses/actions.ts

@@ -0,0 +1,28 @@
+'use server'
+import { createExpense, deleteExpense, updateExpense } from '@/lib/api'
+import { expenseFormSchema } from '@/lib/schemas'
+import { revalidatePath } from 'next/cache'
+
+export async function createExpenseAction(groupId: string, values: unknown) {
+  'use server'
+  const expenseFormValues = expenseFormSchema.parse(values)
+  await createExpense(expenseFormValues, groupId)
+  revalidatePath(`/groups/${groupId}`, 'layout')
+}
+
+export async function updateExpenseAction(
+  groupId: string,
+  expenseId: string,
+  values: unknown,
+) {
+  'use server'
+  const expenseFormValues = expenseFormSchema.parse(values)
+  await updateExpense(groupId, expenseId, expenseFormValues)
+  revalidatePath(`/groups/${groupId}`, 'layout')
+}
+
+export async function deleteExpenseAction(groupId: string, expenseId: string) {
+  'use server'
+  await deleteExpense(expenseId)
+  revalidatePath(`/groups/${groupId}`, 'layout')
+}

src/app/groups/[groupId]/expenses/create/page.tsx

@@ -1,27 +0,0 @@
-import { ExpenseForm } from '@/components/expense-form'
-import { createExpense, getGroup } from '@/lib/api'
-import { expenseFormSchema } from '@/lib/schemas'
-import { Metadata } from 'next'
-import { notFound, redirect } from 'next/navigation'
-
-export const metadata: Metadata = {
-  title: 'Create expense',
-}
-
-export default async function ExpensePage({
-  params: { groupId },
-}: {
-  params: { groupId: string }
-}) {
-  const group = await getGroup(groupId)
-  if (!group) notFound()
-
-  async function createExpenseAction(values: unknown) {
-    'use server'
-    const expenseFormValues = expenseFormSchema.parse(values)
-    await createExpense(expenseFormValues, groupId)
-    redirect(`/groups/${groupId}`)
-  }
-
-  return <ExpenseForm group={group} onSubmit={createExpenseAction} />
-}

src/app/groups/[groupId]/expenses/expense-list.tsx

@@ -33,7 +33,9 @@ export function ExpenseList({
           expense.isReimbursement && 'italic',
         )}
         onClick={() => {
-          router.push(`/groups/${groupId}/expenses/${expense.id}/edit`)
+          router.push(`/groups/${groupId}/expenses/${expense.id}/edit`, {
+            scroll: false,
+          })
         }}
       >
         <div>
@@ -66,7 +68,10 @@ export function ExpenseList({
             {currency} {(expense.amount / 100).toFixed(2)}
           </div>
           <Button size="icon" variant="link" className="-my-2" asChild>
-            <Link href={`/groups/${groupId}/expenses/${expense.id}/edit`}>
+            <Link
+              href={`/groups/${groupId}/expenses/${expense.id}/edit`}
+              scroll={false}
+            >
               <ChevronRight className="w-4 h-4" />
             </Link>
           </Button>

src/app/groups/[groupId]/expenses/expense-page.tsx

@@ -0,0 +1,19 @@
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
+import { ReactNode } from 'react'
+
+export function ExpensePage({
+  children,
+  title,
+}: {
+  children: ReactNode
+  title: ReactNode
+}) {
+  return (
+    <Card>
+      <CardHeader>
+        <CardTitle>{title}</CardTitle>
+      </CardHeader>
+      <CardContent>{children}</CardContent>
+    </Card>
+  )
+}

src/app/groups/[groupId]/expenses/layout.tsx

@@ -0,0 +1,9 @@
+import { ReactNode } from 'react'
+
+export default function GroupExpensesLayout({
+  children,
+}: {
+  children: ReactNode
+}) {
+  return <>{children}</>
+}

src/app/groups/[groupId]/expenses/page.tsx

@@ -35,7 +35,7 @@ export default async function GroupExpensesPage({
         </CardHeader>
         <CardHeader>
           <Button asChild size="icon">
-            <Link href={`/groups/${groupId}/expenses/create`}>
+            <Link href={`/groups/${groupId}/expenses/create`} scroll={false}>
               <Plus />
             </Link>
           </Button>

src/app/groups/[groupId]/layout.tsx

@@ -5,12 +5,13 @@ import { getGroup } from '@/lib/api'
 import { Metadata } from 'next'
 import Link from 'next/link'
 import { notFound } from 'next/navigation'
-import { PropsWithChildren } from 'react'
+import { PropsWithChildren, ReactNode } from 'react'
 
 type Props = {
   params: {
     groupId: string
   }
+  modal: ReactNode
 }
 
 export async function generateMetadata({
@@ -28,6 +29,7 @@ export async function generateMetadata({
 
 export default async function GroupLayout({
   children,
+  modal,
   params: { groupId },
 }: PropsWithChildren<Props>) {
   const group = await getGroup(groupId)
@@ -47,6 +49,7 @@ export default async function GroupLayout({
       </div>
 
       {children}
+      {modal}
 
       <SaveGroupLocally group={{ id: group.id, name: group.name }} />
     </>

src/app/groups/[groupId]/not-found.tsx

@@ -0,0 +1,5 @@
+'use client'
+
+export default function NotFound() {
+  return null
+}

src/app/groups/[groupId]/reimbursement-list.tsx

@@ -37,6 +37,7 @@ export function ReimbursementList({
             <Button variant="link" asChild className="-mx-4 -my-3">
               <Link
                 href={`/groups/${groupId}/expenses/create?reimbursement=yes&from=${reimbursement.from}&to=${reimbursement.to}&amount=${reimbursement.amount}`}
+                scroll={false}
               >
                 Mark as paid
               </Link>