First version

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

@@ -0,0 +1,36 @@
+import { GroupForm } from '@/components/group-form'
+import { Button } from '@/components/ui/button'
+import { getGroup, updateGroup } from '@/lib/api'
+import { groupFormSchema } from '@/lib/schemas'
+import { ChevronLeft } from 'lucide-react'
+import Link from 'next/link'
+import { notFound, redirect } from 'next/navigation'
+
+export default async function EditGroupPage({
+  params: { groupId },
+}: {
+  params: { groupId: string }
+}) {
+  const group = await getGroup(groupId)
+  if (!group) notFound()
+
+  async function updateGroupAction(values: unknown) {
+    'use server'
+    const groupFormValues = groupFormSchema.parse(values)
+    const group = await updateGroup(groupId, groupFormValues)
+    redirect(`/groups/${group.id}`)
+  }
+
+  return (
+    <main>
+      <div className="mb-4">
+        <Button variant="ghost" asChild>
+          <Link href={`/groups/${groupId}`}>
+            <ChevronLeft className="w-4 h-4 mr-2" /> Back to group
+          </Link>
+        </Button>
+      </div>
+      <GroupForm group={group} onSubmit={updateGroupAction} />
+    </main>
+  )
+}