fix: new customer homepage statistics

@@ -84,9 +84,10 @@ public class TkHomePageServiceImpl implements HomePageService {
     LocalDateTime nowTime = LocalDateTime.now();
     LocalDateTime startTime = LocalDateTime.of(nowTime.toLocalDate(), LocalTime.MIN);
     LocalDateTime endTime = LocalDateTime.of(nowTime.toLocalDate(), LocalTime.MAX);
-    HomePageTopMessage messageInfo = new HomePageTopMessage(FastIotConstants.MagicNumber.ZERO);
-    BaseHomePageTop alarm = new BaseHomePageTop(FastIotConstants.MagicNumber.ZERO);
-    BaseHomePageTop product = new BaseHomePageTop(FastIotConstants.MagicNumber.ZERO);
+    int zero = FastIotConstants.MagicNumber.ZERO;
+    HomePageTopMessage messageInfo = new HomePageTopMessage(zero);
+    BaseHomePageTop alarm = new BaseHomePageTop(zero);
+    BaseHomePageTop product = new BaseHomePageTop(zero);
     Map<String, Object> queryMap = new HashMap<>();
     String customerId = null;
     List<DeviceDTO> deviceList;
@@ -105,20 +106,22 @@ public class TkHomePageServiceImpl implements HomePageService {
         long startTs = startTime.toInstant(ZoneOffset.of("+8")).toEpochMilli();
         List<BaseHomePageTop> baseHomePageTopList =
             deviceMapper.findDeviceMessageInfo(startTs, customerId);
-        if (baseHomePageTopList.size() > FastIotConstants.MagicNumber.ZERO) {
-          messageInfo.setMessageCount(baseHomePageTopList.get(0).getSumCount());
-          messageInfo.setTodayMessageAdd(baseHomePageTopList.get(0).getTodayAdd());
+        if (baseHomePageTopList.size() > zero) {
+          BaseHomePageTop baseHomePageTop = baseHomePageTopList.get(0);
+          messageInfo.setMessageCount(baseHomePageTop.getSumCount());
+          messageInfo.setTodayMessageAdd(baseHomePageTop.getTodayAdd() ==null ? zero:baseHomePageTop.getTodayAdd());
         }
         List<BaseHomePageTop> alarmList =
             deviceMapper.findDeviceAlarmInfoByCustomer(startTs, customerId);
-        if (alarmList.size() > FastIotConstants.MagicNumber.ZERO) {
-          alarm.setSumCount(alarmList.get(0).getSumCount());
-          alarm.setTodayAdd(alarmList.get(0).getTodayAdd());
+        if (alarmList.size() > zero) {
+          BaseHomePageTop baseHomePageTop = alarmList.get(0);
+          alarm.setSumCount(baseHomePageTop.getSumCount());
+          alarm.setTodayAdd(baseHomePageTop.getTodayAdd() == null ? zero :baseHomePageTop.getTodayAdd());
         }
       }
     }
     deviceList = deviceMapper.findDevices(queryMap);
-    homeDeviceInfo = new HomeDeviceInfoDTO(FastIotConstants.MagicNumber.ZERO);
+    homeDeviceInfo = new HomeDeviceInfoDTO(zero);
     if (null != deviceList) {
       setDeviceInfoData(deviceList, homeDeviceInfo);
     }
@@ -134,8 +137,8 @@ public class TkHomePageServiceImpl implements HomePageService {
                   tenantId, new CustomerId(UUID.fromString(customerId)), null);
         }
       }
-      int todayAdd = 0;
-      if (!deviceProfileDTOList.isEmpty()) {
+      int todayAdd = zero;
+      if (null !=deviceProfileDTOList && !deviceProfileDTOList.isEmpty()) {
         todayAdd =
             (int)
                 deviceProfileDTOList.stream()
@@ -145,7 +148,7 @@ public class TkHomePageServiceImpl implements HomePageService {
                                 && item.getCreateTime().isBefore(endTime))
                     .count();
       }
-      product.setSumCount(deviceProfileDTOList.size());
+      product.setSumCount(null !=deviceProfileDTOList?deviceProfileDTOList.size():zero);
       product.setTodayAdd(todayAdd);
       homePageLeftTopDTO.setProductInfo(product);
     }