forked from cybrespace/pinafore
102 lines
3.4 KiB
HTML
102 lines
3.4 KiB
HTML
<:Window bind:online />
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<div class="timeline" role="feed" aria-label="{{label}}" >
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<VirtualList component="{{StatusListItem}}"
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items="{{keyedStatuses}}"
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on:scrollToBottom="onScrollToBottom()" />
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</div>
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<style>
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.timeline {
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min-height: 50vh;
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}
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</style>
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<script>
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import { store } from '../_utils/store'
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import { getTimeline } from '../_utils/mastodon/timelines'
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import StatusListItem from './StatusListItem.html'
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import VirtualList from './VirtualList.html'
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import { splice, push } from 'svelte-extras'
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import {
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insertStatuses as insertStatusesIntoDatabase,
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getTimeline as getTimelineFromDatabase
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} from '../_utils/database/statuses'
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import { mergeStatuses } from '../_utils/statuses'
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import { mark, stop } from '../_utils/marks'
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import { timelines } from '../_static/timelines'
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const FETCH_LIMIT = 20
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export default {
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async oncreate() {
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let instanceName = this.store.get('currentInstance')
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let instanceData = this.store.get('currentInstanceData')
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let online = this.get('online')
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let statuses = online ?
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await getTimeline(instanceName, instanceData.access_token, this.get('timeline'), null, FETCH_LIMIT) :
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await getTimelineFromDatabase(instanceName, this.get('timeline'), null, FETCH_LIMIT)
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if (online) {
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insertStatusesIntoDatabase(instanceName, this.get('timeline'), statuses)
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}
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this.addStatuses(statuses)
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this.set({initialized: true})
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},
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data: () => ({
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StatusListItem: StatusListItem,
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statuses: [],
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runningUpdate: false,
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initialized: false
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}),
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computed: {
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keyedStatuses: (statuses) => statuses.map(status => ({
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props: status,
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key: status.id
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})),
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lastStatusId: (statuses) => statuses.length && statuses[statuses.length - 1].id,
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label: (timeline, $currentInstance) => `${timelines[timeline].label} timeline for ${$currentInstance}`
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},
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store: () => store,
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components: {
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VirtualList
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},
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methods: {
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splice: splice,
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push: push,
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async onScrollToBottom() {
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if (!this.get('initialized')) {
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return
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}
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if (this.get('runningUpdate')) {
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return
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}
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mark('onScrollToBottom')
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this.set({ runningUpdate: true })
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let lastStatusId = this.get('lastStatusId')
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let instanceName = this.store.get('currentInstance')
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let instanceData = this.store.get('currentInstanceData')
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let online = this.get('online')
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let newStatuses = online ?
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await getTimeline(instanceName, instanceData.access_token, this.get('timeline'), lastStatusId, FETCH_LIMIT) :
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await getTimelineFromDatabase(instanceName, this.get('timeline'), lastStatusId, FETCH_LIMIT)
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if (online) {
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insertStatusesIntoDatabase(instanceName, this.get('timeline'), newStatuses)
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}
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let statuses = this.get('statuses')
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if (statuses) {
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this.addStatuses(newStatuses)
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}
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this.set({ runningUpdate: false })
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stop('onScrollToBottom')
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},
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addStatuses(newStatuses) {
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if (process.env.NODE_ENV !== 'production') {
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console.log('addStatuses()')
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}
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let statuses = this.get('statuses')
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if (!statuses) {
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return
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}
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let merged = mergeStatuses(statuses, newStatuses)
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this.set({ statuses: merged })
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}
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}
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}
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</script> |