125 lines
4.7 KiB
JavaScript
125 lines
4.7 KiB
JavaScript
import { store } from '../_store/store'
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import { database } from '../_database/database'
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import { getTimeline } from '../_api/timelines'
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import { toast } from '../_utils/toast'
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import { mark, stop } from '../_utils/marks'
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import { mergeArrays } from '../_utils/arrays'
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import { byItemIds } from '../_utils/sorting'
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import isEqual from 'lodash-es/isEqual'
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const FETCH_LIMIT = 20
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async function fetchTimelineItems (instanceName, accessToken, timelineName, lastTimelineItemId, online) {
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mark('fetchTimelineItems')
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let items
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let stale = false
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if (!online) {
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items = await database.getTimeline(instanceName, timelineName, lastTimelineItemId, FETCH_LIMIT)
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stale = true
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} else {
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try {
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items = await getTimeline(instanceName, accessToken, timelineName, lastTimelineItemId, FETCH_LIMIT)
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/* no await */ database.insertTimelineItems(instanceName, timelineName, items)
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} catch (e) {
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console.error(e)
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toast.say('Internet request failed. Showing offline content.')
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items = await database.getTimeline(instanceName, timelineName, lastTimelineItemId, FETCH_LIMIT)
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stale = true
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}
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}
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stop('fetchTimelineItems')
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return { items, stale }
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}
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async function addTimelineItems (instanceName, timelineName, items, stale) {
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console.log('addTimelineItems, length:', items.length)
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mark('addTimelineItems')
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let newIds = items.map(item => item.id)
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addTimelineItemIds(instanceName, timelineName, newIds, stale)
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stop('addTimelineItems')
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}
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export async function addTimelineItemIds (instanceName, timelineName, newIds, newStale) {
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let oldIds = store.getForTimeline(instanceName, timelineName, 'timelineItemIds')
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let oldStale = store.getForTimeline(instanceName, timelineName, 'timelineItemIdsAreStale')
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let mergedIds = mergeArrays(oldIds || [], newIds)
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if (!isEqual(oldIds, mergedIds)) {
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store.setForTimeline(instanceName, timelineName, {timelineItemIds: mergedIds})
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}
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if (oldStale !== newStale) {
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store.setForTimeline(instanceName, timelineName, {timelineItemIdsAreStale: newStale})
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}
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}
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async function fetchTimelineItemsAndPossiblyFallBack () {
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mark('fetchTimelineItemsAndPossiblyFallBack')
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let timelineName = store.get('currentTimeline')
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let instanceName = store.get('currentInstance')
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let accessToken = store.get('accessToken')
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let lastTimelineItemId = store.get('lastTimelineItemId')
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let online = store.get('online')
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let { items, stale } = await fetchTimelineItems(instanceName, accessToken, timelineName, lastTimelineItemId, online)
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addTimelineItems(instanceName, timelineName, items, stale)
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stop('fetchTimelineItemsAndPossiblyFallBack')
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}
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export async function setupTimeline () {
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mark('setupTimeline')
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// If we don't have any item ids, or if the current item ids are stale
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// (i.e. via offline mode), then we need to re-fetch
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// Also do this if it's a thread, because threads change pretty frequently and
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// we don't have a good way to update them.
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let timelineItemIds = store.get('timelineItemIds')
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let timelineItemIdsAreStale = store.get('timelineItemIdsAreStale')
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let currentTimeline = store.get('currentTimeline')
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if (!timelineItemIds ||
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timelineItemIdsAreStale ||
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currentTimeline.startsWith('status/')) {
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await fetchTimelineItemsAndPossiblyFallBack()
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}
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stop('setupTimeline')
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}
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export async function fetchTimelineItemsOnScrollToBottom (instanceName, timelineName) {
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store.setForTimeline(instanceName, timelineName, { runningUpdate: true })
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await fetchTimelineItemsAndPossiblyFallBack()
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store.setForTimeline(instanceName, timelineName, { runningUpdate: false })
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}
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export async function showMoreItemsForTimeline (instanceName, timelineName) {
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mark('showMoreItemsForTimeline')
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let itemIdsToAdd = store.getForTimeline(instanceName, timelineName, 'itemIdsToAdd')
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itemIdsToAdd = itemIdsToAdd.sort(byItemIds).reverse()
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addTimelineItemIds(instanceName, timelineName, itemIdsToAdd, false)
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store.setForTimeline(instanceName, timelineName, {
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itemIdsToAdd: [],
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shouldShowHeader: false,
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showHeader: false
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})
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stop('showMoreItemsForTimeline')
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}
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export async function showMoreItemsForCurrentTimeline () {
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return showMoreItemsForTimeline(
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store.get('currentInstance'),
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store.get('currentTimeline')
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)
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}
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export async function showMoreItemsForThread (instanceName, timelineName) {
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mark('showMoreItemsForThread')
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let itemIdsToAdd = store.getForTimeline(instanceName, timelineName, 'itemIdsToAdd')
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let timelineItemIds = store.getForTimeline(instanceName, timelineName, 'timelineItemIds')
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// TODO: update database and do the thread merge correctly
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timelineItemIds = timelineItemIds.concat(itemIdsToAdd)
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store.setForTimeline(instanceName, timelineName, {
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itemIdsToAdd: [],
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timelineItemIds: timelineItemIds
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})
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stop('showMoreItemsForThread')
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}
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