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import { useEffect, useState } from 'react';

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import { usePostAsyncBackgroundMessage } from '../../../iframe/useBackgroundApp';

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import LoadState, { LoadStateType } from '../../enums/loadState';

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import { ProxyMessages } from '../../../iframe/integratedMessages';

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let user: any = null;

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export default function useCurrentUserFetch() {

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const proxy = usePostAsyncBackgroundMessage();

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const [loadState, setLoadState] = useState<LoadStateType>(

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LoadState.NotLoaded

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);

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const [error, setError] = useState<null | Error>(null);

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const createUser = () => {

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if (!user) {

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setLoadState(LoadState.NotLoaded);

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}

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};

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const reload = () => {

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user = null;

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setLoadState(LoadState.NotLoaded);

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setError(null);

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};

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useEffect(() => {

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if (loadState === LoadState.NotLoaded && !user) {

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setLoadState(LoadState.Loading);

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proxy({

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key: ProxyMessages.FetchOrCreateMeetingUser,

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})

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.then(data => {

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user = data;

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setLoadState(LoadState.Idle);

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})

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.catch(err => {

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setError(err);

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setLoadState(LoadState.Failed);

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});

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}

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}, [loadState]);

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return { user, loadUserState: loadState, error, createUser, reload };

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}

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