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import {createContext, useContext, useMemo} from 'react'
import {useLanguagePrefs} from '#/state/preferences/languages'
import {useServiceConfigQuery} from '#/state/queries/service-config'
import {device} from '#/storage'
type TrendingContext = {
enabled: boolean
}
type LiveNowContext = {
did: string
domains: string[]
}[]
const TrendingContext = createContext<TrendingContext>({
enabled: false,
})
const LiveNowContext = createContext<LiveNowContext | null>(null)
export function Provider({children}: {children: React.ReactNode}) {
const langPrefs = useLanguagePrefs()
const {data: config, isLoading: isInitialLoad} = useServiceConfigQuery()
const trending = useMemo<TrendingContext>(() => {
if (__DEV__) {
return {enabled: true}
}
/*
* Only English during beta period
*/
if (
!!langPrefs.contentLanguages.length &&
!langPrefs.contentLanguages.includes('en')
) {
return {enabled: false}
}
/*
* While loading, use cached value
*/
const cachedEnabled = device.get(['trendingBetaEnabled'])
if (isInitialLoad) {
return {enabled: Boolean(cachedEnabled)}
}
/*
* Doing an extra check here to reduce hits to statsig. If it's disabled on
* the server, we can exit early.
*/
const enabled = Boolean(config?.topicsEnabled)
// update cache
device.set(['trendingBetaEnabled'], enabled)
return {enabled}
}, [isInitialLoad, config, langPrefs.contentLanguages])
const liveNow = useMemo<LiveNowContext>(() => config?.liveNow ?? [], [config])
return (
<TrendingContext.Provider value={trending}>
<LiveNowContext.Provider value={liveNow}>
{children}
</LiveNowContext.Provider>
</TrendingContext.Provider>
)
}
export function useTrendingConfig() {
return useContext(TrendingContext)
}
export function useLiveNowConfig() {
const ctx = useContext(LiveNowContext)
if (!ctx) {
throw new Error(
'useLiveNowConfig must be used within a LiveNowConfigProvider',
)
}
return ctx
}
export function useCanGoLive(did?: string) {
const config = useLiveNowConfig()
return !!config.find(cfg => cfg.did === did)
}
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