Macbook
87 lines
2.5 KiB
TypeScript
87 lines
2.5 KiB
TypeScript
import { useCallback, useEffect, useMemo, useState } from 'react';
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import {
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loadVirtualTargets,
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VIRTUAL_SESSION_CHANGED_EVENT,
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} from '../utils/virtualTradingStorage';
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import {
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addVirtualTarget,
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removeVirtualTarget,
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type VirtualTargetMeta,
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} from '../utils/virtualTargetMutations';
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import { getVirtualTargetMaxCount } from './useAppSettings';
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import { virtualTargetLimitMessage } from '../utils/virtualTargetLimits';
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/** 가상투자 투자대상 마켓 집합 (추세검색 카드 등) */
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export function useVirtualTargetRegistry() {
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const [targets, setTargets] = useState(() => loadVirtualTargets());
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const [busyMarket, setBusyMarket] = useState<string | null>(null);
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const refresh = useCallback(() => {
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setTargets(loadVirtualTargets());
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}, []);
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useEffect(() => {
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refresh();
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const onChange = () => refresh();
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window.addEventListener(VIRTUAL_SESSION_CHANGED_EVENT, onChange);
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return () => window.removeEventListener(VIRTUAL_SESSION_CHANGED_EVENT, onChange);
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}, [refresh]);
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const addedSet = useMemo(
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() => new Set(targets.map(t => t.market)),
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[targets],
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);
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const isInTargets = useCallback(
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(market: string) => addedSet.has(market),
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[addedSet],
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);
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const isPinned = useCallback(
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(market: string) => targets.find(t => t.market === market)?.pinned === true,
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[targets],
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);
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const add = useCallback(async (market: string, meta?: VirtualTargetMeta) => {
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if (addedSet.has(market) || busyMarket === market) return;
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const maxCount = getVirtualTargetMaxCount();
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if (targets.length >= maxCount) {
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window.alert(virtualTargetLimitMessage(maxCount));
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return;
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}
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setBusyMarket(market);
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try {
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const next = await addVirtualTarget(market, meta);
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setTargets(next);
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} catch (e) {
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console.warn('[VirtualTarget] add failed', market, e);
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window.alert('투자대상 추가에 실패했습니다.');
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} finally {
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setBusyMarket(null);
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}
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}, [addedSet, busyMarket, targets]);
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const remove = useCallback(async (market: string) => {
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if (!addedSet.has(market) || busyMarket === market) return;
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setBusyMarket(market);
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try {
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const next = await removeVirtualTarget(market);
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setTargets(next);
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} catch (e) {
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console.warn('[VirtualTarget] remove failed', market, e);
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window.alert('투자대상 제거에 실패했습니다.');
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} finally {
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setBusyMarket(null);
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}
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}, [addedSet, busyMarket, targets]);
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return {
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addedSet,
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isInTargets,
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isPinned,
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add,
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remove,
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busyMarket,
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};
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}
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