增加添加和绑定sn，增加阿里云推送

src/main/java/com/onekeycall/videotablet/controller/ManageSnController.java

@@ -0,0 +1,57 @@
+package com.onekeycall.videotablet.controller;
+
+import com.onekeycall.videotablet.entity.DeviceInfo;
+import com.onekeycall.videotablet.entity.User;
+import com.onekeycall.videotablet.result.Result;
+import com.onekeycall.videotablet.service.DeviceSnService;
+import com.onekeycall.videotablet.service.UserService;
+import com.onekeycall.videotablet.utils.JwtUtil;
+import com.onekeycall.videotablet.utils.PushUtils;
+import com.onekeycall.videotablet.utils.TextUtils;
+import org.apache.commons.lang3.RandomStringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Date;
+
+@RestController
+@RequestMapping("/public")
+public class ManageSnController {
+
+    @Autowired
+    private JwtUtil jwtUtil;
+    @Autowired
+    private UserService userService;
+    @Autowired
+    private DeviceSnService deviceSnService;
+
+    @PostMapping("/add_sn")
+    public Result addSn(
+            @RequestHeader("Authorization") String authHeader, @RequestHeader("Device-ID") String deviceId,
+            @RequestParam(value = "user_id") String userId, @RequestParam(value = "sn") String sn) {
+        // 1. 校验 Authorization 头
+        if (!authHeader.startsWith("Bearer ")) {
+            return Result.error().message("Invalid Authorization header");
+        }
+        String token = authHeader.substring(7); // 去掉 "Bearer " 前缀
+
+        // 2. 校验 Token
+        if (!jwtUtil.validateAccessToken(userId, token, deviceId)) {
+            return Result.error().message("Invalid token");
+        }
+
+        // 3. 校验 sn 是否存在
+        DeviceInfo oldDeviceInfo = deviceSnService.findBySn(sn);
+        if (oldDeviceInfo != null) {
+            return Result.error().message("sn already exists");
+        }
+
+        // 4. 新增 sn
+        DeviceInfo deviceInfo = new DeviceInfo();
+        deviceInfo.setSn(sn);
+        deviceInfo.setAddTime(new Date());
+        deviceSnService.save(deviceInfo);
+
+        return Result.ok();
+    }
+}