49 lines
1.4 KiB
TypeScript
49 lines
1.4 KiB
TypeScript
import { DomainException } from '../../shared/exceptions/domain.exception';
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export class EventName {
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// 预定义的事件名
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static readonly APP_SESSION_START = new EventName('app_session_start');
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static readonly PRESENCE_HEARTBEAT = new EventName('presence_heartbeat');
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static readonly APP_SESSION_END = new EventName('app_session_end');
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private readonly _value: string;
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private constructor(value: string) {
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this._value = value;
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}
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get value(): string {
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return this._value;
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}
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static fromString(value: string): EventName {
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if (!value || value.trim() === '') {
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throw new DomainException('EventName cannot be empty');
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}
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const trimmed = value.trim().toLowerCase();
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if (trimmed.length > 64) {
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throw new DomainException('EventName cannot exceed 64 characters');
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}
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// 验证格式：字母、数字、下划线
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if (!/^[a-z][a-z0-9_]*$/.test(trimmed)) {
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throw new DomainException('EventName must start with letter and contain only lowercase letters, numbers, and underscores');
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}
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return new EventName(trimmed);
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}
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/**
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* 是否为DAU统计事件
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*/
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isDauEvent(): boolean {
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return this._value === EventName.APP_SESSION_START.value;
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}
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equals(other: EventName): boolean {
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return this._value === other._value;
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}
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toString(): string {
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return this._value;
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}
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}
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