tmp

agent/escort-admin/tools/calendar/utils.js

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+import * as z from "zod"
+import { tool } from "langchain"
+import lunar from "lunar-javascript"
+const { Solar, Lunar, HolidayUtil, TermUtil } = lunar
+
+/**
+ * 获取准确时间工具
+ * 通过国内权威时间源获取当前准确时间
+ * @returns {string} - 返回当前准确时间的JSON字符串
+ */
+export async function getAccurateTime() {
+  const timeSources = [
+    {
+      name: 'timeapi.io',
+      url: 'https://timeapi.io/api/Time/current/zone?timeZone=Asia/Shanghai',
+      method: 'json'
+    },
+    {
+      name: '国家授时中心',
+      url: 'http://www.ntsc.ac.cn',
+      method: 'header'
+    },
+    {
+      name: '阿里云',
+      url: 'https://www.aliyun.com',
+      method: 'header'
+    },
+    {
+      name: '腾讯云',
+      url: 'https://cloud.tencent.com',
+      method: 'header'
+    },
+    {
+      name: '华为云',
+      url: 'https://www.huaweicloud.com',
+      method: 'header'
+    }
+  ]
+
+  for (const source of timeSources) {
+    try {
+      const startTime = Date.now()
+      const res = await fetch(source.url)
+      const latency = Date.now() - startTime
+
+      let timestamp = null
+      let beijingTime = null
+
+      if (source.method === 'json') {
+        const data = await res.json()
+        timestamp = new Date(data.dateTime).getTime()
+        beijingTime = data.dateTime
+      } else if (source.method === 'header') {
+        const dateHeader = res.headers.get('Date')
+        if (dateHeader) {
+          timestamp = new Date(dateHeader).getTime()
+          beijingTime = new Date(timestamp).toLocaleString('zh-CN', { timeZone: 'Asia/Shanghai' })
+        }
+      }
+
+      if (timestamp) {
+        return {
+          timestamp,
+          date: new Date(timestamp).toISOString(),
+          localTime: beijingTime,
+          source: source.name,
+          latency: latency,
+          success: true
+        }
+      }
+    } catch (error) {
+      console.log(`从 ${source.name} 获取时间失败: ${error.message}`)
+      continue
+    }
+  }
+
+  const date = new Date()
+  return {
+    timestamp: date.getTime(),
+    date: date.toISOString(),
+    localTime: date.toLocaleString('zh-CN', { timeZone: 'Asia/Shanghai' }),
+    success: false,
+    message: '使用本地时间作为备份'
+  }
+}
+