bsky-app/src/state/index.ts
2023-04-24 10:55:35 -07:00

53 lines
1.7 KiB
TypeScript

import {autorun} from 'mobx'
import {AppState, Platform} from 'react-native'
import {BskyAgent} from '@atproto/api'
import {RootStoreModel} from './models/root-store'
import * as apiPolyfill from 'lib/api/api-polyfill'
import * as storage from 'lib/storage'
export const LOCAL_DEV_SERVICE =
Platform.OS === 'android' ? 'http://10.0.2.2:2583' : 'http://localhost:2583'
export const STAGING_SERVICE = 'https://staging.bsky.dev'
export const PROD_SERVICE = 'https://bsky.social'
export const DEFAULT_SERVICE = PROD_SERVICE
const ROOT_STATE_STORAGE_KEY = 'root'
const STATE_FETCH_INTERVAL = 15e3
export async function setupState(serviceUri = DEFAULT_SERVICE) {
let rootStore: RootStoreModel
let data: any
apiPolyfill.doPolyfill()
rootStore = new RootStoreModel(new BskyAgent({service: serviceUri}))
try {
data = (await storage.load(ROOT_STATE_STORAGE_KEY)) || {}
rootStore.log.debug('Initial hydrate', {hasSession: !!data.session})
rootStore.hydrate(data)
} catch (e: any) {
rootStore.log.error('Failed to load state from storage', e)
}
rootStore.attemptSessionResumption()
// track changes & save to storage
autorun(() => {
const snapshot = rootStore.serialize()
storage.save(ROOT_STATE_STORAGE_KEY, snapshot)
})
// periodic state fetch
setInterval(() => {
// NOTE
// this must ONLY occur when the app is active, as the bg-fetch handler
// will wake up the thread and cause this interval to fire, which in
// turn schedules a bunch of work at a poor time
// -prf
if (AppState.currentState === 'active') {
rootStore.updateSessionState()
}
}, STATE_FETCH_INTERVAL)
return rootStore
}
export {useStores, RootStoreModel, RootStoreProvider} from './models/root-store'