forked from AkkomaGang/akkoma-fe
340 lines
11 KiB
JavaScript
340 lines
11 KiB
JavaScript
import _ from 'lodash'
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import { mapGetters, mapState } from 'vuex'
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import ChatMessage from '../chat_message/chat_message.vue'
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import ChatAvatar from '../chat_avatar/chat_avatar.vue'
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import PostStatusForm from '../post_status_form/post_status_form.vue'
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import ChatTitle from '../chat_title/chat_title.vue'
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import chatService from '../../services/chat_service/chat_service.js'
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import ChatLayout from './chat_layout.js'
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const Chat = {
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components: {
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ChatMessage,
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ChatTitle,
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ChatAvatar,
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PostStatusForm
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},
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mixins: [ChatLayout],
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data () {
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return {
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loadingOlderMessages: false,
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loadingMessages: true,
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loadingChat: false,
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editedStatusId: undefined,
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fetcher: undefined,
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jumpToBottomButtonVisible: false,
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mobileLayout: this.$store.state.interface.mobileLayout,
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recipientId: this.$route.params.recipient_id,
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hoveredSequenceId: undefined,
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lastPosition: undefined
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}
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},
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created () {
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this.startFetching()
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window.addEventListener('resize', this.handleLayoutChange)
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},
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mounted () {
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this.$nextTick(() => {
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let scrollable = this.$refs.scrollable
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if (scrollable) {
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window.addEventListener('scroll', this.handleScroll)
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}
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this.updateSize()
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this.handleResize()
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})
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this.setChatLayout()
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if (typeof document.hidden !== 'undefined') {
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document.addEventListener('visibilitychange', this.handleVisibilityChange, false)
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this.$store.commit('setChatFocused', !document.hidden)
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}
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},
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destroyed () {
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window.removeEventListener('scroll', this.handleScroll)
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window.removeEventListener('resize', this.handleLayoutChange)
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this.unsetChatLayout()
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if (typeof document.hidden !== 'undefined') document.removeEventListener('visibilitychange', this.handleVisibilityChange, false)
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this.$store.dispatch('clearCurrentChat')
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},
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computed: {
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chatParticipants () {
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if (this.currentChat) {
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return [this.currentChat.account]
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} else {
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const user = this.findUser(this.recipientId)
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if (user) {
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return [user]
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} else {
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return []
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}
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}
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},
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recipient () {
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return this.currentChat && this.currentChat.account
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},
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formPlaceholder () {
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if (this.recipient) {
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return this.$t('chats.message_user', { nickname: this.recipient.screen_name })
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} else {
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return this.$t('chats.write_message')
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}
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},
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chatViewItems () {
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return chatService.getView(this.currentChatMessageService)
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},
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newMessageCount () {
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return this.currentChatMessageService && this.currentChatMessageService.newMessageCount
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},
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...mapGetters(['currentChat', 'currentChatMessageService', 'findUser', 'findOpenedChatByRecipientId']),
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...mapState({
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backendInteractor: state => state.api.backendInteractor,
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currentUser: state => state.users.currentUser,
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isMobileLayout: state => state.interface.mobileLayout,
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openedChats: state => state.chats.openedChats,
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openedChatMessageServices: state => state.chats.openedChatMessageServices,
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windowHeight: state => state.interface.layoutHeight
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})
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},
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watch: {
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chatViewItems (prev, next) {
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let bottomedOut = this.bottomedOut(10)
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this.$nextTick(() => {
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if (bottomedOut && prev.length !== next.length) {
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this.scrollDown({ forceRead: true })
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}
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})
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},
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'$route': function (prev, next) {
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this.recipientId = this.$route.params.recipient_id
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this.startFetching()
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},
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windowHeight () {
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this.handleResize({ expand: true })
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}
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},
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methods: {
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onStatusHover ({ state, sequenceId }) {
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this.hoveredSequenceId = state ? sequenceId : undefined
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},
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onPosted (data) {
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this.$store.dispatch('addChatMessages', { chatId: this.currentChat.id, messages: [data] }).then(() => {
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this.$nextTick(() => {
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this.updateSize()
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this.scrollDown({ forceRead: true })
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})
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})
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},
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onFilesDropped () {
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this.$nextTick(() => {
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this.updateSize()
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})
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},
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handleVisibilityChange () {
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this.$store.commit('setChatFocused', !document.hidden)
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},
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handleLayoutChange () {
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this.updateSize()
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let mobileLayout = this.isMobileLayout
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if (this.mobileLayout !== mobileLayout) {
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if (this.mobileLayout === false && mobileLayout === true) {
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this.setMobileChatLayout()
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}
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if (this.mobileLayout === true && mobileLayout === false) {
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this.unsetMobileChatLayout()
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}
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this.mobileLayout = this.isMobileLayout
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this.$nextTick(() => {
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this.updateSize()
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this.scrollDown()
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})
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}
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},
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handleResize (opts) {
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this.$nextTick(() => {
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this.updateSize()
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let prevOffsetHeight
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if (this.lastPosition) {
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prevOffsetHeight = this.lastPosition.offsetHeight
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}
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this.lastPosition = {
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scrollTop: this.$refs.scrollable.scrollTop,
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totalHeight: this.$refs.scrollable.scrollHeight,
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offsetHeight: this.$refs.scrollable.offsetHeight
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}
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if (this.lastPosition) {
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const diff = this.lastPosition.offsetHeight - prevOffsetHeight
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const bottomedOut = this.bottomedOut()
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if (diff < 0 || (!bottomedOut && opts && opts.expand)) {
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this.$nextTick(() => {
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this.updateSize()
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this.$nextTick(() => {
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this.$refs.scrollable.scrollTo({
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top: this.$refs.scrollable.scrollTop - diff,
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left: 0
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})
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})
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})
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}
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}
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})
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},
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updateSize (newHeight, _diff) {
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let h = this.$refs.header
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let s = this.$refs.scrollable
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let f = this.$refs.footer
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if (h && s && f) {
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let height = 0
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if (this.isMobileLayout) {
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height = parseFloat(getComputedStyle(window.document.body, null).height.replace('px', ''))
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let newHeight = (height - h.clientHeight - f.clientHeight)
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s.style.height = newHeight + 'px'
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} else {
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height = parseFloat(getComputedStyle(this.$refs.inner, null).height.replace('px', ''))
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let newHeight = (height - h.clientHeight - f.clientHeight)
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s.style.height = newHeight + 'px'
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}
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}
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},
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scrollDown (options = {}) {
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let { behavior = 'auto', forceRead = false } = options
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let container = this.$refs.scrollable
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let scrollable = this.$refs.scrollable
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this.doScrollDown(scrollable, container, behavior)
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if (forceRead || this.newMessageCount > 0) {
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this.readChat()
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}
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},
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doScrollDown (scrollable, container, behavior) {
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if (!container) { return }
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this.$nextTick(() => {
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scrollable.scrollTo({ top: container.scrollHeight, left: 0, behavior })
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})
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},
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bottomedOut (offset) {
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let bottomedOut = false
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if (this.$refs.scrollable) {
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let scrollHeight = this.$refs.scrollable.scrollTop + (offset || 0)
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let totalHeight = this.$refs.scrollable.scrollHeight - this.$refs.scrollable.offsetHeight
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bottomedOut = totalHeight <= scrollHeight
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}
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return bottomedOut
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},
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getPosition () {
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let scrollHeight = this.$refs.scrollable.scrollTop
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let totalHeight = this.$refs.scrollable.scrollHeight - this.$refs.scrollable.offsetHeight
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return { scrollHeight, totalHeight }
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},
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reachedTop () {
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const scrollable = this.$refs.scrollable
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return scrollable && scrollable.scrollTop <= 0
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},
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handleScroll: _.throttle(function () {
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if (!this.currentChat) { return }
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if (this.reachedTop()) {
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this.fetchChat(false, this.currentChat.id, {
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maxId: this.currentChatMessageService.minId
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})
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} else if (this.bottomedOut(150)) {
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this.jumpToBottomButtonVisible = false
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if (this.newMessageCount > 0) {
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this.readChat()
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}
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} else {
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this.jumpToBottomButtonVisible = true
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}
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}, 100),
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goBack () {
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this.$router.push({ name: 'chats', params: { username: this.currentUser.screen_name } })
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},
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fetchChat (isFirstFetch, chatId, opts = {}) {
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let maxId = opts.maxId
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if (isFirstFetch) {
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this.scrollDown({ forceRead: true })
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}
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let positionBeforeLoading = null
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let previousScrollTop
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if (maxId) {
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this.loadingOlderMessages = true
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positionBeforeLoading = this.getPosition()
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previousScrollTop = this.$refs.scrollable.scrollTop
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}
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const chatMessageService = this.openedChatMessageServices[chatId]
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const sinceId = chatMessageService.lastMessage && chatMessageService.lastMessage.id
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this.backendInteractor.chatMessages({ id: chatId, maxId, sinceId })
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.then((messages) => {
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let bottomedOut = this.bottomedOut()
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this.loadingOlderMessages = false
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this.$store.dispatch('addChatMessages', { chatId, messages }).then(() => {
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if (positionBeforeLoading) {
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this.$nextTick(() => {
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let positionAfterLoading = this.getPosition()
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let scrollable = this.$refs.scrollable
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scrollable.scrollTo({
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top: previousScrollTop + (positionAfterLoading.totalHeight - positionBeforeLoading.totalHeight),
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left: 0
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})
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})
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}
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if (isFirstFetch) {
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this.$nextTick(() => {
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this.updateSize()
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})
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} else if (bottomedOut) {
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this.scrollDown()
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}
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setTimeout(() => {
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this.loadingMessages = false
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}, 1000)
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})
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})
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},
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readChat () {
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if (!(this.currentChat && this.currentChat.id)) { return }
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this.$store.dispatch('readChat', { id: this.currentChat.id })
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},
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async startFetching () {
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let chat = this.findOpenedChatByRecipientId(this.recipientId)
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if (!chat) {
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chat = await this.backendInteractor.getOrCreateChat({ accountId: this.recipientId })
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}
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this.$nextTick(() => {
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this.scrollDown({ forceRead: true })
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})
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this.$store.dispatch('addOpenedChat', { chat })
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this.doStartFetching()
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},
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doStartFetching () {
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let chatId = this.currentChat.id
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this.$store.dispatch('startFetchingCurrentChat', {
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fetcher: () => setInterval(() => this.fetchChat(false, chatId), 5000)
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})
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this.fetchChat(true, chatId)
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},
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poster (opts) {
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const status = opts.status
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let params = {
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id: this.currentChat.id,
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content: status
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}
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if (opts.media && opts.media[0]) {
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params.mediaId = opts.media[0].id
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}
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return this.backendInteractor.postChatMessage(params)
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}
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}
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}
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export default Chat
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