semaphore/routes/_database/timelines/pinnedStatuses.js

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import { cacheStatus } from './cacheStatus'
import { getDatabase, dbPromise } from '../databaseLifecycle'
import { PINNED_STATUSES_STORE, STATUSES_STORE, ACCOUNTS_STORE } from '../constants'
import { createPinnedStatusId, createPinnedStatusKeyRange } from '../keys'
import { storeStatus } from './insertion'
import { fetchStatus } from './fetchStatus'
export async function insertPinnedStatuses (instanceName, accountId, statuses) {
for (let status of statuses) {
cacheStatus(status, instanceName)
}
const db = await getDatabase(instanceName)
let storeNames = [PINNED_STATUSES_STORE, STATUSES_STORE, ACCOUNTS_STORE]
await dbPromise(db, storeNames, 'readwrite', (stores) => {
let [ pinnedStatusesStore, statusesStore, accountsStore ] = stores
let keyRange = createPinnedStatusKeyRange(accountId)
pinnedStatusesStore.getAll(keyRange).onsuccess = e => {
// if there was e.g. 1 pinned status before and 2 now, then we need to delete the old one
let existingPinnedStatuses = e.target.result
for (let i = statuses.length; i < existingPinnedStatuses.length; i++) {
pinnedStatusesStore.delete(createPinnedStatusKeyRange(accountId, i))
}
statuses.forEach((status, i) => {
storeStatus(statusesStore, accountsStore, status)
pinnedStatusesStore.put(status.id, createPinnedStatusId(accountId, i))
})
}
})
}
export async function getPinnedStatuses (instanceName, accountId) {
let storeNames = [PINNED_STATUSES_STORE, STATUSES_STORE, ACCOUNTS_STORE]
const db = await getDatabase(instanceName)
return dbPromise(db, storeNames, 'readonly', (stores, callback) => {
let [ pinnedStatusesStore, statusesStore, accountsStore ] = stores
let keyRange = createPinnedStatusKeyRange(accountId)
pinnedStatusesStore.getAll(keyRange).onsuccess = e => {
let pinnedResults = e.target.result
let res = new Array(pinnedResults.length)
pinnedResults.forEach((statusId, i) => {
fetchStatus(statusesStore, accountsStore, statusId, status => {
res[i] = status
})
})
callback(res)
}
})
}