init

middleware/schedule.js

@@ -0,0 +1,51 @@
+const node_schedule = require("node-schedule");
+const logs = require('../tool/logs_proxy');
+
+class Schedule {
+  // 执行标记，防止并发执行
+  constructor() {
+    this.running_flags = {
+     
+    };
+  }
+
+  /**
+   * 执行带锁的任务
+   * @param {string} task_name - 任务名称
+   * @param {Function} task_fn - 任务函数
+   */
+  async execute_with_lock(task_name, task_fn) {
+    // 如果正在执行，跳过本次执行
+    if (this.running_flags[task_name]) {
+      logs.log(`[定时任务] ${task_name} 正在执行中，跳过本次执行`);
+      return;
+    }
+
+    // 设置执行标记
+    this.running_flags[task_name] = true;
+
+    try {
+      await task_fn();
+    } catch (error) {
+      logs.error(`[定时任务] ${task_name} 执行失败:`, error);
+    } finally {
+      // 清除执行标记
+      this.running_flags[task_name] = false;
+    }
+  }
+
+  async init() {
+    const bizSubscriptionLogic = require("../api/service/biz_subscription_logic");
+
+    node_schedule.scheduleJob("10 0 * * *", async () => {
+      await this.execute_with_lock("biz_subscription_expire", async () => {
+        const n = await bizSubscriptionLogic.expireDueSubscriptions();
+        logs.log(`[定时任务] 订阅到期扫描完成，更新行数: ${n}`);
+      });
+    });
+  }
+}
+
+const schedule = new Schedule();
+module.exports = schedule;
+