Method getCachedResult

whois/whois.ts:352–371

(domain: string)

        parseMode: "html",
        linkPreview: false
      });
    }
  }
  
  private async getCachedResult(domain: string): Promise<WhoisRecord | null> {
    if (!this.db) return null;
    
    const cache = this.db.data.cache[domain.toLowerCase()];
    if (!cache) return null;
    
    // 检查缓存是否过期
    const cacheTime = new Date(cache.queryTime).getTime();
    const now = Date.now();
    const cacheHours = this.db.data.settings.cacheHours || 24;
    
    if (now - cacheTime > cacheHours * 60 * 60 * 1000) {
      // 缓存过期，删除
      delete this.db.data.cache[domain.toLowerCase()];
      await this.db.write();
      return null;
    }
    
    return cache;