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


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import { ExpenseList } from '@/app/groups/[groupId]/expenses/expense-list'
import { Button } from '@/components/ui/button'
import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from '@/components/ui/card'
import { Skeleton } from '@/components/ui/skeleton'
import { getGroup, getGroupExpenses } from '@/lib/api'
import { Plus } from 'lucide-react'
import { Metadata } from 'next'
import Link from 'next/link'
import { notFound } from 'next/navigation'
import { Suspense } from 'react'

export const metadata: Metadata = {
  title: 'Expenses',
}

export default async function GroupExpensesPage({
  params: { groupId },
}: {
  params: { groupId: string }
}) {
  return (
    <Card className="mb-4">
      <div className="flex flex-1">
        <CardHeader className="flex-1">
          <CardTitle>Expenses</CardTitle>
          <CardDescription>
            Here are the expenses that you created for your group.
          </CardDescription>
        </CardHeader>
        <CardHeader>
          <Button asChild size="icon">
            <Link href={`/groups/${groupId}/expenses/create`}>
              <Plus />
            </Link>
          </Button>
        </CardHeader>
      </div>

      <CardContent className="p-0">
        <Suspense
          fallback={[0, 1, 2].map((i) => (
            <div
              key={i}
              className="border-t flex justify-between items-center px-6 py-4 text-sm"
            >
              <div className="flex flex-col gap-2">
                <Skeleton className="h-4 w-16 rounded-full" />
                <Skeleton className="h-4 w-32 rounded-full" />
              </div>
              <div>
                <Skeleton className="h-4 w-16 rounded-full" />
              </div>
            </div>
          ))}
        >
          <Expenses groupId={groupId} />
        </Suspense>
      </CardContent>
    </Card>
  )
}

async function Expenses({ groupId }: { groupId: string }) {
  const group = await getGroup(groupId)
  if (!group) notFound()
  const expenses = await getGroupExpenses(group.id)

  return (
    <ExpenseList
      expenses={expenses}
      groupId={group.id}
      currency={group.currency}
      participants={group.participants}
    />
  )
}