39 lines
1018 B
TypeScript
39 lines
1018 B
TypeScript
import { useCallback, useEffect, useState } from 'react'
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import { getActiveEvSessions, type ActiveEvSessionRow } from '../api/backend'
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const POLL_MS = 30_000
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export function useEVSessions(siteId: number | null) {
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const [sessions, setSessions] = useState<ActiveEvSessionRow[]>([])
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const [ready, setReady] = useState(false)
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const [error, setError] = useState<string | null>(null)
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const load = useCallback(async () => {
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if (siteId == null) {
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setSessions([])
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setReady(true)
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return
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}
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try {
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const rows = await getActiveEvSessions(siteId)
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setSessions(rows)
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setError(null)
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} catch {
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setSessions([])
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setError('EV session se nepodařilo načíst')
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} finally {
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setReady(true)
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}
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}, [siteId])
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useEffect(() => {
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void load()
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if (siteId == null) return
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const id = window.setInterval(() => void load(), POLL_MS)
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return () => window.clearInterval(id)
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}, [load, siteId])
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return { sessions, ready, error, reload: load }
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}
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