Files
CRM_ENVR/src/providers/notification-provider.tsx
T
2026-06-22 15:39:55 +02:00

147 lines
3.9 KiB
TypeScript

"use client"
import { createContext, useContext, useState, useCallback, useMemo, useEffect, ReactNode } from "react"
import { Notification, NotificationType } from "@/types"
interface NotificationContextValue {
notifications: Notification[]
unreadCount: number
unreadChatCount: number
addNotification: (type: NotificationType, title: string, description: string, link?: string) => void
markAsRead: (id: string) => void
markAllAsRead: () => void
dismiss: (id: string) => void
}
const NotificationContext = createContext<NotificationContextValue | null>(null)
export function NotificationProvider({ children }: { children: ReactNode }) {
const [notifications, setNotifications] = useState<Notification[]>([])
const [loading, setLoading] = useState(true)
const [unreadChatCount, setUnreadChatCount] = useState(0)
useEffect(() => {
async function fetchNotifications() {
try {
const res = await fetch("/api/notifications")
if (!res.ok) return
const data = await res.json()
if (data.notifications) {
setNotifications(data.notifications)
}
} catch {
// ignore
} finally {
setLoading(false)
}
}
fetchNotifications()
}, [])
useEffect(() => {
let cancelled = false
async function fetchUnread() {
try {
const res = await fetch("/api/conversations")
if (!res.ok) return
const data = await res.json()
if (!cancelled) {
const list = data.conversations || []
const total = list.reduce((sum: number, c: any) => sum + (c.unread || 0), 0)
setUnreadChatCount(total)
}
} catch {
// ignore
}
}
fetchUnread()
const id = setInterval(fetchUnread, 5000)
return () => { cancelled = true; clearInterval(id) }
}, [])
const unreadCount = useMemo(
() => notifications.filter((n) => !n.read).length,
[notifications]
)
const addNotification = useCallback(
async (type: NotificationType, title: string, description: string, link?: string) => {
const notif: Notification = {
id: `temp-${Date.now()}`,
type,
title,
description,
timestamp: new Date().toISOString(),
read: false,
link,
}
setNotifications((prev) => [notif, ...prev])
try {
await fetch("/api/notifications", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ type, title, description, link }),
})
} catch {
// ignore
}
},
[]
)
const markAsRead = useCallback(async (id: string) => {
if (id.startsWith("temp-")) return
setNotifications((prev) =>
prev.map((n) => (n.id === id ? { ...n, read: true } : n))
)
try {
await fetch(`/api/notifications/${id}`, { method: "PATCH" })
} catch {
// ignore
}
}, [])
const markAllAsRead = useCallback(async () => {
setNotifications((prev) => prev.map((n) => ({ ...n, read: true })))
try {
await fetch("/api/notifications", { method: "PATCH" })
} catch {
// ignore
}
}, [])
const dismiss = useCallback(async (id: string) => {
setNotifications((prev) => prev.filter((n) => n.id !== id))
if (id.startsWith("temp-")) return
try {
await fetch(`/api/notifications/${id}`, { method: "DELETE" })
} catch {
// ignore
}
}, [])
return (
<NotificationContext.Provider
value={{
notifications,
unreadCount,
unreadChatCount,
addNotification,
markAsRead,
markAllAsRead,
dismiss,
}}
>
{children}
</NotificationContext.Provider>
)
}
export function useNotifications(): NotificationContextValue {
const ctx = useContext(NotificationContext)
if (!ctx) {
throw new Error("useNotifications must be used within a NotificationProvider")
}
return ctx
}