pinafore/routes/_database/timelines/insertion.js
2018-09-05 21:08:38 -07:00

123 lines
4.5 KiB
JavaScript

import difference from 'lodash-es/difference'
import times from 'lodash-es/times'
import { cloneForStorage } from '../helpers'
import { dbPromise, getDatabase } from '../databaseLifecycle'
import { accountsCache, notificationsCache, setInCache, statusesCache } from '../cache'
import { scheduleCleanup } from '../cleanup'
import {
ACCOUNTS_STORE,
NOTIFICATION_TIMELINES_STORE,
NOTIFICATIONS_STORE,
STATUS_TIMELINES_STORE,
STATUSES_STORE,
THREADS_STORE
} from '../constants'
import {
createThreadId,
createThreadKeyRange,
createTimelineId
} from '../keys'
import { cacheStatus } from './cacheStatus'
export function putStatus (statusesStore, status) {
statusesStore.put(cloneForStorage(status))
}
export function putAccount (accountsStore, account) {
accountsStore.put(cloneForStorage(account))
}
export function putNotification (notificationsStore, notification) {
notificationsStore.put(cloneForStorage(notification))
}
export function storeAccount (accountsStore, account) {
putAccount(accountsStore, account)
}
export function storeStatus (statusesStore, accountsStore, status) {
putStatus(statusesStore, status)
putAccount(accountsStore, status.account)
if (status.reblog) {
putStatus(statusesStore, status.reblog)
putAccount(accountsStore, status.reblog.account)
}
}
export function storeNotification (notificationsStore, statusesStore, accountsStore, notification) {
if (notification.status) {
storeStatus(statusesStore, accountsStore, notification.status)
}
storeAccount(accountsStore, notification.account)
putNotification(notificationsStore, notification)
}
async function insertTimelineNotifications (instanceName, timeline, notifications) {
for (let notification of notifications) {
setInCache(notificationsCache, instanceName, notification.id, notification)
setInCache(accountsCache, instanceName, notification.account.id, notification.account)
if (notification.status) {
setInCache(statusesCache, instanceName, notification.status.id, notification.status)
}
}
const db = await getDatabase(instanceName)
let storeNames = [NOTIFICATION_TIMELINES_STORE, NOTIFICATIONS_STORE, ACCOUNTS_STORE, STATUSES_STORE]
await dbPromise(db, storeNames, 'readwrite', (stores) => {
let [ timelineStore, notificationsStore, accountsStore, statusesStore ] = stores
for (let notification of notifications) {
storeNotification(notificationsStore, statusesStore, accountsStore, notification)
timelineStore.put(notification.id, createTimelineId(timeline, notification.id))
}
})
}
async function insertTimelineStatuses (instanceName, timeline, statuses) {
for (let status of statuses) {
cacheStatus(status, instanceName)
}
const db = await getDatabase(instanceName)
let storeNames = [STATUS_TIMELINES_STORE, STATUSES_STORE, ACCOUNTS_STORE]
await dbPromise(db, storeNames, 'readwrite', (stores) => {
let [ timelineStore, statusesStore, accountsStore ] = stores
for (let status of statuses) {
storeStatus(statusesStore, accountsStore, status)
timelineStore.put(status.id, createTimelineId(timeline, status.id))
}
})
}
async function insertStatusThread (instanceName, statusId, statuses) {
for (let status of statuses) {
cacheStatus(status, instanceName)
}
const db = await getDatabase(instanceName)
let storeNames = [THREADS_STORE, STATUSES_STORE, ACCOUNTS_STORE]
await dbPromise(db, storeNames, 'readwrite', (stores) => {
let [ threadsStore, statusesStore, accountsStore ] = stores
threadsStore.getAllKeys(createThreadKeyRange(statusId)).onsuccess = e => {
let existingKeys = e.target.result
let newKeys = times(statuses.length, i => createThreadId(statusId, i))
let keysToDelete = difference(existingKeys, newKeys)
for (let key of keysToDelete) {
threadsStore.delete(key)
}
}
statuses.forEach((otherStatus, i) => {
storeStatus(statusesStore, accountsStore, otherStatus)
threadsStore.put(otherStatus.id, createThreadId(statusId, i))
})
})
}
export async function insertTimelineItems (instanceName, timeline, timelineItems) {
/* no await */ scheduleCleanup()
if (timeline === 'notifications') {
return insertTimelineNotifications(instanceName, timeline, timelineItems)
} else if (timeline.startsWith('status/')) {
let statusId = timeline.split('/').slice(-1)[0]
return insertStatusThread(instanceName, statusId, timelineItems)
} else {
return insertTimelineStatuses(instanceName, timeline, timelineItems)
}
}