432 lines
11 KiB
TypeScript
432 lines
11 KiB
TypeScript
import { computed, ref } from 'vue'
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import { useAuth } from './useAuth'
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import type { Notification, NotificationSettings } from '~~/types'
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import { useToast } from './useToast'
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interface PaginationInfo {
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currentPage: number
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totalPages: number
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totalCount: number
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limit: number
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hasNextPage: boolean
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hasPrevPage: boolean
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}
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let lastTopNotificationId: number | null = null
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let lastUnreadCountSnapshot: number | null = null
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let notificationsBootstrapped = false
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let lastToastAt = 0
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export const useNotifications = () => {
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const { getAuthConfig, isAuthenticated } = useAuth()
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const toast = useToast()
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const notifications = ref<Notification[]>([])
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const unreadCount = ref(0)
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const settings = ref<NotificationSettings | null>(null)
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const loading = ref(false)
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const error = ref('')
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// 分页相关状态
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const currentPage = ref(1)
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const pageSize = ref(10)
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const totalPages = ref(0)
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const totalCount = ref(0)
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const hasNextPage = computed(() => currentPage.value < totalPages.value)
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const hasPrevPage = computed(() => currentPage.value > 1)
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const isPaginationLoading = ref(false)
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const fetchNotifications = async (page?: number, limit?: number) => {
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if (!isAuthenticated.value) {
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notifications.value = []
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unreadCount.value = 0
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resetPagination()
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lastTopNotificationId = null
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lastUnreadCountSnapshot = null
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notificationsBootstrapped = false
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return
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}
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// 如果是分页请求（非初始加载），显示分页加载状态
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if (page && page !== 1) {
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isPaginationLoading.value = true
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} else {
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loading.value = true
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}
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error.value = ''
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// 使用传入的参数或当前状态
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const requestPage = page || currentPage.value
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const requestLimit = limit || pageSize.value
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try {
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const authConfig = getAuthConfig()
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const data = await $fetch('/api/notifications', {
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query: {
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page: requestPage,
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limit: requestLimit
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},
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...authConfig
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})
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if (data) {
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const nextNotifications: Notification[] = data.notifications || []
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const nextUnread = data.unreadCount || 0
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notifications.value = data.notifications || []
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unreadCount.value = nextUnread
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const isFirstPage = (page || currentPage.value) === 1
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const topId = nextNotifications[0]?.id ?? null
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if (isFirstPage) {
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if (!notificationsBootstrapped) {
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notificationsBootstrapped = true
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lastTopNotificationId = topId
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lastUnreadCountSnapshot = nextUnread
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} else {
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const now = Date.now()
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const prevTopId = lastTopNotificationId
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const prevUnread = lastUnreadCountSnapshot ?? 0
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const delta = Math.max(0, nextUnread - prevUnread)
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const hasNewTop =
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(topId && prevTopId && topId > prevTopId) || (topId && prevTopId === null)
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if (hasNewTop && now - lastToastAt > 3000) {
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toast.info(delta > 0 ? `收到 ${delta} 条新消息` : '收到新消息')
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lastToastAt = now
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}
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lastTopNotificationId = topId
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lastUnreadCountSnapshot = nextUnread
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}
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}
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// 更新分页信息
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if (data.pagination) {
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currentPage.value = data.pagination.currentPage
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totalPages.value = data.pagination.totalPages
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totalCount.value = data.pagination.totalCount
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pageSize.value = data.pagination.limit
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}
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}
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} catch (err: any) {
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const errorHandler = useErrorHandler()
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if (await errorHandler.checkAndHandleFetchError(err)) {
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return
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}
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console.error('获取通知错误:', err)
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notifications.value = []
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unreadCount.value = 0
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resetPagination()
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} finally {
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loading.value = false
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isPaginationLoading.value = false
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}
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}
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// 重置分页状态
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const resetPagination = () => {
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currentPage.value = 1
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totalPages.value = 0
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totalCount.value = 0
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}
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// 分页导航方法
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const goToPage = async (page: number) => {
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if (page >= 1 && page <= totalPages.value && page !== currentPage.value) {
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await fetchNotifications(page, pageSize.value)
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}
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}
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const nextPage = async () => {
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if (hasNextPage.value) {
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await goToPage(currentPage.value + 1)
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}
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}
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const prevPage = async () => {
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if (hasPrevPage.value) {
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await goToPage(currentPage.value - 1)
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}
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}
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const changePageSize = async (newSize: number) => {
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if (newSize !== pageSize.value) {
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pageSize.value = newSize
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// 重新计算当前页，确保不超出范围
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const newTotalPages = Math.ceil(totalCount.value / newSize)
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const newCurrentPage = Math.min(currentPage.value, newTotalPages || 1)
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await fetchNotifications(newCurrentPage, newSize)
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}
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}
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const fetchNotificationSettings = async () => {
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if (!isAuthenticated.value) {
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settings.value = null
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return
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}
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loading.value = true
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error.value = ''
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try {
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const authConfig = getAuthConfig()
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const data = await $fetch('/api/notifications/settings', {
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...authConfig
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})
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if (data) {
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settings.value = data
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}
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} catch (err: any) {
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const errorHandler = useErrorHandler()
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if (await errorHandler.checkAndHandleFetchError(err)) {
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return
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}
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console.error('获取通知设置错误:', err)
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settings.value = null
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} finally {
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loading.value = false
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}
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}
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const updateNotificationSettings = async (newSettings: Partial<NotificationSettings>) => {
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if (!isAuthenticated.value) {
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error.value = '需要登录才能更新通知设置'
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return null
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}
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loading.value = true
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error.value = ''
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try {
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const authConfig = getAuthConfig()
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const data = await $fetch('/api/notifications/settings', {
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method: 'POST',
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body: newSettings,
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...authConfig
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})
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if (data) {
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settings.value = data
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return data
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}
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return null
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} catch (err: any) {
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const errorHandler = useErrorHandler()
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if (await errorHandler.checkAndHandleFetchError(err)) {
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return null
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}
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error.value = err.message || '更新通知设置失败'
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console.error('更新通知设置错误:', err)
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return null
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} finally {
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loading.value = false
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}
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}
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// 标记通知为已读
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const markAsRead = async (notificationId: number) => {
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if (!isAuthenticated.value) {
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error.value = '需要登录才能标记通知'
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return null
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}
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loading.value = true
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error.value = ''
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try {
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const authConfig = getAuthConfig()
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const data = await $fetch(`/api/notifications/${notificationId}/read`, {
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method: 'POST',
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...authConfig
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})
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const index = notifications.value.findIndex((n: Notification) => n.id === notificationId)
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if (index !== -1) {
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notifications.value[index].read = true
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unreadCount.value = Math.max(0, unreadCount.value - 1)
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}
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return data
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} catch (err: any) {
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const errorHandler = useErrorHandler()
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if (await errorHandler.checkAndHandleFetchError(err)) {
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return null
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}
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error.value = err.message || '标记通知失败'
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console.error('标记通知错误:', err)
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return null
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} finally {
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loading.value = false
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}
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}
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// 标记所有通知为已读
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const markAllAsRead = async () => {
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if (!isAuthenticated.value) {
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error.value = '需要登录才能标记通知'
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return null
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}
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loading.value = true
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error.value = ''
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try {
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const authConfig = getAuthConfig()
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const data = await $fetch('/api/notifications/read-all', {
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method: 'POST',
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...authConfig
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})
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if (data) {
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notifications.value.forEach((n) => (n.read = true))
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unreadCount.value = 0
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return data
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}
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return null
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} catch (err: any) {
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const errorHandler = useErrorHandler()
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if (await errorHandler.checkAndHandleFetchError(err)) {
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return null
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}
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error.value = err.message || '标记所有通知失败'
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console.error('标记所有通知错误:', err)
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return null
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} finally {
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loading.value = false
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}
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}
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// 删除通知
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const deleteNotification = async (notificationId: number) => {
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if (!isAuthenticated.value) {
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error.value = '需要登录才能删除通知'
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return null
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}
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loading.value = true
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error.value = ''
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try {
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const authConfig = getAuthConfig()
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await $fetch(`/api/notifications/${notificationId}`, {
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method: 'DELETE',
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...authConfig
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})
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// 更新本地通知列表
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const index = notifications.value.findIndex((n: Notification) => n.id === notificationId)
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if (index !== -1) {
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if (!notifications.value[index].read) {
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unreadCount.value = Math.max(0, unreadCount.value - 1)
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}
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notifications.value.splice(index, 1)
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}
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// 删除后重新获取当前页数据，以补充后续通知
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if (notifications.value.length === 0 && currentPage.value > 1) {
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// 如果当前页数据已被清空且不是第一页，则跳转到上一页
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await goToPage(currentPage.value - 1)
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} else {
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// 否则重新加载当前页（如果有下一页数据会自动补充上来）
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await fetchNotifications(currentPage.value, pageSize.value)
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}
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return true
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} catch (err: any) {
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// 检查是否为401错误
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const errorHandler = useErrorHandler()
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if (await errorHandler.checkAndHandleFetchError(err)) {
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return null
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}
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error.value = err.message || '删除通知失败'
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console.error('删除通知错误:', err)
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return null
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} finally {
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loading.value = false
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}
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}
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// 清空所有通知
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const clearAllNotifications = async () => {
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if (!isAuthenticated.value) {
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error.value = '需要登录才能清空通知'
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return null
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}
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loading.value = true
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error.value = ''
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try {
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const authConfig = getAuthConfig()
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await $fetch('/api/notifications/clear-all', {
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method: 'DELETE',
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...authConfig
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})
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// 清空本地通知列表
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notifications.value = []
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unreadCount.value = 0
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resetPagination()
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return true
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} catch (err: any) {
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// 检查是否为401错误
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const errorHandler = useErrorHandler()
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if (await errorHandler.checkAndHandleFetchError(err)) {
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return null
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}
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error.value = err.message || '清空通知失败'
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console.error('清空通知错误:', err)
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return null
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} finally {
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loading.value = false
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}
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}
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// 计算未读通知数量
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const computedUnreadCount = computed(() => unreadCount.value)
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return {
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notifications,
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unreadCount: computedUnreadCount,
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settings,
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loading,
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error,
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// 分页相关状态
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currentPage,
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pageSize,
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totalPages,
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totalCount,
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hasNextPage,
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hasPrevPage,
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isPaginationLoading,
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// 原有方法
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fetchNotifications,
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fetchNotificationSettings,
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updateNotificationSettings,
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markAsRead,
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markAllAsRead,
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deleteNotification,
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clearAllNotifications,
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// 分页方法
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goToPage,
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nextPage,
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prevPage,
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changePageSize,
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resetPagination
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}
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}
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