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import { computed } from 'vue'
import { mapGetters } from 'vuex'
import Notification from '../notification/notification.vue'
import NotificationFilters from './notification_filters.vue'
import notificationsFetcher from '../../services/notifications_fetcher/notifications_fetcher.service.js'
import {
notificationsFromStore,
filteredNotificationsFromStore,
unseenNotificationsFromStore
} from '../../services/notification_utils/notification_utils.js'
import FaviconService from '../../services/favicon_service/favicon_service.js'
import { library } from '@fortawesome/fontawesome-svg-core'
import { faCircleNotch, faArrowUp, faMinus } from '@fortawesome/free-solid-svg-icons'
library.add(
faCircleNotch,
faArrowUp,
faMinus
)
const DEFAULT_SEEN_TO_DISPLAY_COUNT = 30
const Notifications = {
components: {
Notification,
NotificationFilters
},
props: {
// Disables panel styles, unread mark, potentially other notification-related actions
// meant for "Interactions" timeline
minimalMode: Boolean,
// Custom filter mode, an array of strings, possible values 'mention', 'repeat', 'like', 'follow', used to override global filter for use in "Interactions" timeline
filterMode: Array,
// Disable teleporting (i.e. for /users/user/notifications)
disableTeleport: Boolean
},
data () {
return {
showScrollTop: false,
bottomedOut: false,
// How many seen notifications to display in the list. The more there are,
// the heavier the page becomes. This count is increased when loading
// older notifications, and cut back to default whenever hitting "Read!".
seenToDisplayCount: DEFAULT_SEEN_TO_DISPLAY_COUNT
}
},
provide () {
return {
popoversZLayer: computed(() => this.popoversZLayer)
}
},
computed: {
mainClass () {
return this.minimalMode ? '' : 'panel panel-default'
},
notifications () {
return notificationsFromStore(this.$store)
},
error () {
return this.$store.state.statuses.notifications.error
},
unseenNotifications () {
return unseenNotificationsFromStore(this.$store)
},
filteredNotifications () {
return filteredNotificationsFromStore(this.$store, this.filterMode)
},
unseenCount () {
return this.unseenNotifications.length
},
unseenCountTitle () {
return this.unseenCount + (this.unreadChatCount) + this.unreadAnnouncementCount
},
loading () {
return this.$store.state.statuses.notifications.loading
},
noHeading () {
const { layoutType } = this.$store.state.interface
return this.minimalMode || layoutType === 'mobile'
},
teleportTarget () {
const { layoutType } = this.$store.state.interface
const map = {
wide: '#notifs-column',
mobile: '#mobile-notifications'
}
return map[layoutType] || '#notifs-sidebar'
},
popoversZLayer () {
const { layoutType } = this.$store.state.interface
return layoutType === 'mobile' ? 'navbar' : null
},
notificationsToDisplay () {
return this.filteredNotifications.slice(0, this.unseenCount + this.seenToDisplayCount)
},
noSticky () { return this.$store.getters.mergedConfig.disableStickyHeaders },
...mapGetters(['unreadChatCount', 'unreadAnnouncementCount'])
},
mounted () {
this.scrollerRef = this.$refs.root.closest('.column.-scrollable')
if (!this.scrollerRef) {
this.scrollerRef = this.$refs.root.closest('.mobile-notifications')
}
if (!this.scrollerRef) {
this.scrollerRef = this.$refs.root.closest('.column.main')
}
this.scrollerRef.addEventListener('scroll', this.updateScrollPosition)
},
unmounted () {
if (!this.scrollerRef) return
this.scrollerRef.removeEventListener('scroll', this.updateScrollPosition)
},
watch: {
unseenCountTitle (count) {
if (count > 0) {
FaviconService.drawFaviconBadge()
this.$store.dispatch('setPageTitle', `(${count})`)
} else {
FaviconService.clearFaviconBadge()
this.$store.dispatch('setPageTitle', '')
}
},
teleportTarget () {
// handle scroller change
this.$nextTick(() => {
this.scrollerRef.removeEventListener('scroll', this.updateScrollPosition)
this.scrollerRef = this.$refs.root.closest('.column.-scrollable')
if (!this.scrollerRef) {
this.scrollerRef = this.$refs.root.closest('.mobile-notifications')
}
this.scrollerRef.addEventListener('scroll', this.updateScrollPosition)
this.updateScrollPosition()
})
}
},
methods: {
scrollToTop () {
const scrollable = this.scrollerRef
scrollable.scrollTo({ top: this.$refs.root.offsetTop })
// this.$refs.root.scrollIntoView({ behavior: 'smooth', block: 'start' })
},
updateScrollPosition () {
this.showScrollTop = this.$refs.root.offsetTop < this.scrollerRef.scrollTop
},
markAsSeen () {
this.$store.dispatch('markNotificationsAsSeen')
this.seenToDisplayCount = DEFAULT_SEEN_TO_DISPLAY_COUNT
},
fetchOlderNotifications () {
if (this.loading) {
return
}
const seenCount = this.filteredNotifications.length - this.unseenCount
if (this.seenToDisplayCount < seenCount) {
this.seenToDisplayCount = Math.min(this.seenToDisplayCount + 20, seenCount)
return
} else if (this.seenToDisplayCount > seenCount) {
this.seenToDisplayCount = seenCount
}
const store = this.$store
const credentials = store.state.users.currentUser.credentials
store.commit('setNotificationsLoading', { value: true })
notificationsFetcher.fetchAndUpdate({
store,
credentials,
older: true
}).then(notifs => {
store.commit('setNotificationsLoading', { value: false })
if (notifs.length === 0) {
this.bottomedOut = true
}
this.seenToDisplayCount += notifs.length
})
}
}
}
export default Notifications
|
