school-miniprogram/src/pages/notice/index.ts

const app = getApp<IAppOption>()

// 公告列表项
interface IAnnouncementItem {
  id: number
  title: string
  content: string
  displayPosition: number
  priority: number
  redDot: boolean
  jumpType: number
  jumpTarget: string
  buttonText: string
  startAt: string
  endAt: string
  createdAt: string
  isRead: boolean
}

// 通知列表项
interface INoticeItem {
  id: number
  taskId: number
  title: string
  subtitle: string
  subType: string
  subTypeName: string
  coverImage: string
  jumpType: number
  jumpTarget: string
  buttonText: string
  isRead: boolean
  scheduleAt: string
}

interface IPagination {
  page: number
  pageSize: number
  pages: number
  count: number
}

Page({
  data: {
    active: 0,
    imageUrl: app.globalData.imageUrl,
    Timestamp: app.globalData.Timestamp,

    // 公告
    announcementList: [] as IAnnouncementItem[],
    announcementPagination: { page: 1, pageSize: 20, pages: 0, count: 0 } as IPagination,
    announcementLoading: false,

    // 重要通知
    importantList: [] as INoticeItem[],
    importantPagination: { page: 1, pageSize: 20, pages: 0, count: 0 } as IPagination,
    importantLoading: false,

    // 活动通知
    activityList: [] as INoticeItem[],
    activityPagination: { page: 1, pageSize: 20, pages: 0, count: 0 } as IPagination,
    activityLoading: false,
  },

  onLoad() {
    app.waitLogin({ type: 1 }).then(() => {
      this.fetchAnnouncementList()
    })
  },

  onShow() {
    // 刷新 tabbar 红点
    const tabBar = this.getTabBar()
    if (tabBar && typeof tabBar.fetchUnreadCount === 'function') {
      tabBar.fetchUnreadCount()
    }
  },

  // 切换 tab
  onChange(e: WechatMiniprogram.CustomEvent) {
    const active = e.detail.index ?? 0
    this.setData({ active })

    if (active === 0 && this.data.announcementList.length === 0) {
      this.fetchAnnouncementList()
    } else if (active === 1 && this.data.importantList.length === 0) {
      this.fetchNoticeList('important')
    } else if (active === 2 && this.data.activityList.length === 0) {
      this.fetchNoticeList('activity')
    }
  },

  // 获取公告列表（专用接口）
  async fetchAnnouncementList(isRefresh = false) {
    if (this.data.announcementLoading) return

    const { announcementPagination } = this.data
    const page = isRefresh ? 1 : announcementPagination.page

    this.setData({ announcementLoading: true })

    try {
      const res = await wx.ajax({
        url: '/notification/announcement-list',
        method: 'GET',
        data: { page, pageSize: announcementPagination.pageSize },
      })

      if (res) {
        const newList = isRefresh ? res.list : [...this.data.announcementList, ...res.list]
        this.setData({
          announcementList: newList,
          announcementPagination: {
            page: res.pagination?.page || page,
            pageSize: res.pagination?.pageSize || announcementPagination.pageSize,
            pages: res.pagination?.totalPages || 0,
            count: res.pagination?.total || 0,
          },
        })
      }
    } catch (err) {
      console.error('获取公告列表失败:', err)
    } finally {
      this.setData({ announcementLoading: false })
    }
  },

  // 获取通知列表（重要通知/活动通知）
  async fetchNoticeList(type: 'important' | 'activity', isRefresh = false) {
    const loadingKey = `${type}Loading` as const
    const listKey = `${type}List` as const
    const paginationKey = `${type}Pagination` as const

    if (this.data[loadingKey]) return

    const pagination = this.data[paginationKey]
    const page = isRefresh ? 1 : pagination.page

    this.setData({ [loadingKey]: true } as any)

    try {
      const res = await wx.ajax({
        url: '/notification/list',
        method: 'GET',
        data: { type, page, pageSize: pagination.pageSize },
      })

      if (res) {
        const newList = isRefresh ? res.list : [...this.data[listKey], ...res.list]
        this.setData({
          [listKey]: newList,
          [paginationKey]: {
            page: res.pagination?.page || page,
            pageSize: res.pagination?.pageSize || pagination.pageSize,
            pages: res.pagination?.totalPages || 0,
            count: res.pagination?.total || 0,
          },
        } as any)
      }
    } catch (err) {
      console.error('获取通知列表失败:', err)
    } finally {
      this.setData({ [loadingKey]: false } as any)
    }
  },

  // 查看公告详情
  handleAnnouncementDetail(e: WechatMiniprogram.TouchEvent) {
    const { id } = e.currentTarget.dataset
    wx.navigateTo({
      url: `/pages/noticeDetail/index?id=${id}&type=announcement`,
    })
  },

  // 查看通知详情
  handleNoticeDetail(e: WechatMiniprogram.TouchEvent) {
    const { taskId } = e.currentTarget.dataset
    wx.navigateTo({
      url: `/pages/noticeDetail/index?taskId=${taskId}&type=notice`,
    })
  },

  // 下拉刷新
  onPullDownRefresh() {
    const { active } = this.data
    if (active === 0) {
      this.fetchAnnouncementList(true)
    } else if (active === 1) {
      this.fetchNoticeList('important', true)
    } else if (active === 2) {
      this.fetchNoticeList('activity', true)
    }
    wx.stopPullDownRefresh()
  },

  // 上拉加载更多
  onReachBottom() {
    const { active, announcementPagination, importantPagination, activityPagination } = this.data

    if (active === 0) {
      if (announcementPagination.page < announcementPagination.pages) {
        this.setData({
          announcementPagination: { ...announcementPagination, page: announcementPagination.page + 1 },
        })
        this.fetchAnnouncementList()
      }
    } else if (active === 1) {
      if (importantPagination.page < importantPagination.pages) {
        this.setData({
          importantPagination: { ...importantPagination, page: importantPagination.page + 1 },
        })
        this.fetchNoticeList('important')
      }
    } else if (active === 2) {
      if (activityPagination.page < activityPagination.pages) {
        this.setData({
          activityPagination: { ...activityPagination, page: activityPagination.page + 1 },
        })
        this.fetchNoticeList('activity')
      }
    }
  },
})

export {}