feat: 提交首页Controller

+package org.thingsboard.server.controller.yunteng;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.thingsboard.server.controller.BaseController;
+
+@RequestMapping("api/yt/homepage")
+public class HomePageController extends BaseController {
+
+}

+package org.thingsboard.server.common.data.yunteng.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+@Data
+public class HomeAlarmInfoDTO {
+    @ApiModelProperty("告警总数")
+    private Integer alarmSumCount;
+    @ApiModelProperty("今日新增告警")
+    private Integer alarmTodayAdd;
+}

+package org.thingsboard.server.common.data.yunteng.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+@Data
+public class HomeDeviceInfoDTO {
+  @ApiModelProperty("设备总数")
+  private Integer sumCount;
+
+  @ApiModelProperty("在线设备数量")
+  private Integer onLine;
+
+  @ApiModelProperty("离线设备数量")
+  private Integer offLine;
+
+  @ApiModelProperty("未激活设备数量")
+  private Integer inActive;
+
+  @ApiModelProperty("今日新增设备数量")
+  private Integer todayAdd;
+
+  public HomeDeviceInfoDTO(Integer defaultValue) {
+    this.sumCount = defaultValue;
+    this.onLine = defaultValue;
+    this.offLine = defaultValue;
+    this.inActive = defaultValue;
+    this.todayAdd = defaultValue;
+  }
+
+  public HomeDeviceInfoDTO() {}
+}

+package org.thingsboard.server.common.data.yunteng.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+@Data
+public class HomeMessageInfoDTO {
+    @ApiModelProperty("消息总数")
+    private Integer messageSumCount;
+    @ApiModelProperty("今日新增消息")
+    private Integer messageTodayAdd;
+}

+package org.thingsboard.server.common.data.yunteng.dto;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ApiModel("首页左边顶部信息")
+public class HomePageLeftTopDTO extends BaseDTO {
+  @ApiModelProperty("顶部设备统计")
+  private HomeDeviceInfoDTO deviceInfo;
+
+  @ApiModelProperty("顶部告警统计")
+  private HomeAlarmInfoDTO alarmInfo;
+
+  @ApiModelProperty("顶部消息统计")
+  private HomeMessageInfoDTO messageInfo;
+}

+package org.thingsboard.server.dao.yunteng.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmInfo;
+import org.thingsboard.server.common.data.yunteng.constant.FastIotConstants;
+import org.thingsboard.server.common.data.yunteng.dto.HomeDeviceInfoDTO;
+import org.thingsboard.server.common.data.yunteng.dto.HomePageLeftTopDTO;
+import org.thingsboard.server.common.data.yunteng.utils.ReflectUtils;
+import org.thingsboard.server.dao.yunteng.entities.YtDevice;
+import org.thingsboard.server.dao.yunteng.mapper.DeviceMapper;
+import org.thingsboard.server.dao.yunteng.service.HomePageService;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.ZoneOffset;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class HomePageServiceImpl implements HomePageService {
+
+  private final DeviceMapper deviceMapper;
+
+  @Override
+  public HomePageLeftTopDTO getHomePageLeftTopInfo(
+      boolean isPtSysAdmin,
+      boolean isPtAdmin,
+      boolean isTenantAdmin,
+      String tenantId,
+      String currentUserId) {
+    // 如果当前用户是超级管理员或平台管理员，查询所有的设备、告警、消息量
+    // 如果当前用户是租户管理员，查询租户下的所有设备、告警、消息量
+    // 如果当前用户是客户，查询客户可以查看的设备、告警、消息量
+    HomePageLeftTopDTO homePageLeftTopDTO = new HomePageLeftTopDTO();
+    HomeDeviceInfoDTO homeDeviceInfo;
+    List<YtDevice> deviceList;
+    if (isPtSysAdmin || isPtAdmin) {
+      deviceList = deviceMapper.selectList(new LambdaQueryWrapper<>());
+    } else if (isTenantAdmin) {
+      deviceList =
+          deviceMapper.selectList(
+              new LambdaQueryWrapper<YtDevice>().eq(YtDevice::getTenantId, tenantId));
+    } else {
+      deviceList =
+          ReflectUtils.sourceToTarget(
+              deviceMapper.getDeviceByCustomerUserId(currentUserId), YtDevice.class);
+    }
+    homeDeviceInfo = new HomeDeviceInfoDTO(Integer.valueOf(FastIotConstants.MagicNumber.ZERO));
+    if (null != deviceList) {
+      homeDeviceInfo = setDeviceInfoData(deviceList, homeDeviceInfo);
+    }
+    homePageLeftTopDTO.setDeviceInfo(homeDeviceInfo);
+    return homePageLeftTopDTO;
+  }
+
+  /**
+   * 设置设备相关的数据
+   *
+   * @param deviceList 拥有的设备
+   * @param homeDeviceInfoDTO 首页信息
+   * @return 设置后的首页信息
+   */
+  private HomeDeviceInfoDTO setDeviceInfoData(
+      List<YtDevice> deviceList, HomeDeviceInfoDTO homeDeviceInfoDTO) {
+    homeDeviceInfoDTO.setSumCount(deviceList.size());
+    deviceList.forEach(
+        ytDevice -> {
+          int basicNum = FastIotConstants.MagicNumber.ONE;
+          ZoneOffset zoneOffset = ZoneOffset.of("+8");
+          LocalDateTime todayZeroTime = LocalDateTime.of(LocalDate.now(), LocalTime.MIN);
+          if (ytDevice.getCreateTime().atZone(zoneOffset).toInstant().toEpochMilli()
+              >= todayZeroTime.toInstant(zoneOffset).toEpochMilli()) {
+            homeDeviceInfoDTO.setTodayAdd(homeDeviceInfoDTO.getTodayAdd() + basicNum);
+          }
+          switch (ytDevice.getDeviceState()) {
+            case OFFLINE:
+              homeDeviceInfoDTO.setOffLine(homeDeviceInfoDTO.getOffLine() + basicNum);
+              break;
+            case ONLINE:
+              homeDeviceInfoDTO.setOnLine(homeDeviceInfoDTO.getOnLine() + basicNum);
+              break;
+            case INACTIVE:
+              homeDeviceInfoDTO.setInActive(homeDeviceInfoDTO.getInActive() + basicNum);
+              break;
+            default:
+              break;
+          }
+        });
+    return homeDeviceInfoDTO;
+  }
+
+  /**
+   * 设置告警相关的数据
+   * @param alarmInfoList 告警数据
+   * @param homeDeviceInfoDTO 首页数据
+   * @return 设置后的首页数据
+   */
+  private HomeDeviceInfoDTO setAlarmInfoData(List<AlarmInfo> alarmInfoList,HomeDeviceInfoDTO homeDeviceInfoDTO){
+    return homeDeviceInfoDTO;
+  }
+
+  private HomeDeviceInfoDTO setMessageInfoData(HomeDeviceInfoDTO homeDeviceInfoDTO){
+    return homeDeviceInfoDTO;
+  }
+}

+package org.thingsboard.server.dao.yunteng.service;
+
+import org.thingsboard.server.common.data.yunteng.dto.HomePageLeftTopDTO;
+
+public interface HomePageService {
+  /**
+   * 通过租户ID获取首页左边顶部信息
+   *
+   * @param isPtSysAdmin 是否超级管理员
+   * @param isPtAdmin 是否平台管理员
+   * @param isTenantAdmin 是否租户管理员
+   * @param tenantId 租户ID
+   * @param currentUserId 当前用户ID
+   * @return 首页左边顶部信息
+   */
+  HomePageLeftTopDTO getHomePageLeftTopInfo(
+      boolean isPtSysAdmin,
+      boolean isPtAdmin,
+      boolean isTenantAdmin,
+      String tenantId,
+      String currentUserId);
+}