24 lines
734 B
TypeScript
24 lines
734 B
TypeScript
import {Subject} from 'rxjs';
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class BlackListManager {
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private list: number[] = [];
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public onBlockStream: Subject<number> = new Subject();
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public onUnBlockStream: Subject<number> = new Subject();
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isBlackListed(userId: number): boolean {
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return this.list.find((data) => data === userId) !== undefined;
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}
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blackList(userId: number): void {
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if (this.isBlackListed(userId)) return;
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this.list.push(userId);
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this.onBlockStream.next(userId);
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}
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cancelBlackList(userId: number): void {
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this.list.splice(this.list.findIndex(data => data === userId), 1);
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this.onUnBlockStream.next(userId);
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}
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}
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export const blackListManager = new BlackListManager(); |