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kycnotme/web/src/components/HeaderNotificationIndicator.astro
2025-06-09 10:00:55 +00:00

69 lines
2.2 KiB
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---
import { Icon } from 'astro-icon/components'
import { cn } from '../lib/cn'
import { prisma } from '../lib/prisma'
import type { HTMLAttributes } from 'astro/types'
type Props = Omit<HTMLAttributes<'a'>, 'href'> & {
count?: number | null
}
const { count: propsCount, class: className, ...htmlProps } = Astro.props
const user = Astro.locals.user
const count =
propsCount ??
(await Astro.locals.banners.try(
'Error getting unread notification count',
async () => (user ? await prisma.notification.count({ where: { userId: user.id, read: false } }) : 0),
0
))
---
{
user && (
<a
href="/notifications"
data-notification-count-link
data-current-count={count}
class={cn(
'group relative flex cursor-pointer items-center justify-center text-gray-400 transition-colors duration-100 hover:text-white',
className
)}
aria-label={`Go to notifications${count > 0 ? ` (${count} unread)` : ''}`}
{...htmlProps}
>
<Icon name="material-symbols:notifications-outline" class="size-5" />
<span
data-notification-count-badge
class="absolute top-[calc(50%-var(--spacing)*3.5)] right-[calc(50%-var(--spacing)*3.5)] flex size-3.5 items-center justify-center rounded-full bg-blue-600 text-[10px] font-bold tracking-tighter text-white group-hover:bg-blue-500 empty:hidden"
>
{count > 0 ? (count > 99 ? '★' : count.toLocaleString()) : ''}
</span>
</a>
)
}
<script>
document.addEventListener('sse-new-notification', () => {
document.querySelectorAll<HTMLElement>('[data-notification-count-link]').forEach((link) => {
const currentCount = Number(link.getAttribute('data-current-count') || 0)
const newCount = currentCount + 1
link.querySelectorAll<HTMLElement>('[data-notification-count-badge]').forEach((badge) => {
badge.textContent = newCount > 0 ? (newCount > 99 ? '★' : newCount.toLocaleString()) : ''
})
link.setAttribute(
'aria-label',
`Go to notifications${newCount > 0 ? ` (${newCount.toLocaleString()} unread)` : ''}`
)
link.setAttribute('data-current-count', String(newCount))
})
})
</script>