shahdlala66
56 lines
1.6 KiB
TypeScript
56 lines
1.6 KiB
TypeScript
import { Injectable } from '@angular/core';
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interface RegisterResponse {
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id: string;
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token: string;
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}
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@Injectable({ providedIn: 'root' })
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export class TournamentAuthService {
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private readonly inflight = new Map<string, Promise<string>>();
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async getToken(serverUrl: string): Promise<string> {
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const key = this.cacheKey(serverUrl);
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const cached = localStorage.getItem(key);
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if (cached) return cached;
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const existing = this.inflight.get(key);
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if (existing) return existing;
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const promise = this.register(serverUrl)
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.then(token => {
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localStorage.setItem(key, token);
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this.inflight.delete(key);
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return token;
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})
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.catch(err => {
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this.inflight.delete(key);
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throw err;
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});
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this.inflight.set(key, promise);
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return promise;
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}
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clearToken(serverUrl: string): void {
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localStorage.removeItem(this.cacheKey(serverUrl));
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}
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private async register(serverUrl: string): Promise<string> {
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const base = serverUrl.replace(/\/+$/, '');
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const localName = localStorage.getItem('username') ?? 'viewer';
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const res = await fetch(`${base}/api/auth/register`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ name: `${localName}-watch`, isBot: false })
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});
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if (!res.ok) throw new Error(`tournament-server register failed: ${res.status}`);
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const body = (await res.json()) as RegisterResponse;
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return body.token;
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}
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private cacheKey(serverUrl: string): string {
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return `tournament-token:${serverUrl.replace(/\/+$/, '')}`;
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}
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}
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