对景区摄像头进行统计

src/main/java/com/ycwl/basic/service/pc/DeviceStatsService.java

@@ -0,0 +1,9 @@
+package com.ycwl.basic.service.pc;
+
+import com.ycwl.basic.model.pc.scenicDeviceStats.resp.ScenicDeviceStatsListResp;
+
+import java.util.Date;
+
+public interface DeviceStatsService {
+    ScenicDeviceStatsListResp queryByScenicId(Long scenicId, Date start, Date end);
+}

src/main/java/com/ycwl/basic/service/pc/impl/DeviceStatsServiceImpl.java

@@ -0,0 +1,46 @@
+package com.ycwl.basic.service.pc.impl;
+
+import cn.hutool.core.date.DateUtil;
+import com.ycwl.basic.mapper.ScenicDeviceStatsMapper;
+import com.ycwl.basic.model.pc.scenicDeviceStats.resp.ScenicDeviceStatsListResp;
+import com.ycwl.basic.model.pc.scenicDeviceStats.resp.ScenicDeviceStatsResp;
+import com.ycwl.basic.service.pc.DeviceStatsService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.util.Date;
+import java.util.List;
+
+@Service
+public class DeviceStatsServiceImpl implements DeviceStatsService {
+    @Autowired
+    private ScenicDeviceStatsMapper mapper;
+
+    @Override
+    public ScenicDeviceStatsListResp queryByScenicId(Long scenicId, Date start, Date end) {
+        if (start == null) {
+            start = DateUtil.beginOfDay(new Date());
+        }
+        if (end == null) {
+            end = DateUtil.endOfDay(new Date());
+        }
+        ScenicDeviceStatsListResp resp = new ScenicDeviceStatsListResp();
+        if (DateUtil.isIn(start, DateUtil.tomorrow(), DateUtil.yesterday()) && DateUtil.isIn(start, DateUtil.tomorrow(), DateUtil.yesterday())) {
+            resp.setRealtime(true);
+            List<ScenicDeviceStatsResp> data = mapper.countRealtimeStatsByScenicId(scenicId, start, end);
+            resp.setData(data);
+        } else {
+            resp.setRealtime(false);
+            List<ScenicDeviceStatsResp> data = mapper.countCachedStatsByScenicId(scenicId, start, end);
+            resp.setData(data);
+        }
+        resp.getData().stream().mapToInt(ScenicDeviceStatsResp::getCount).max().ifPresent((max) -> {
+            resp.getData().forEach(item -> {
+                item.setRate(BigDecimal.valueOf(item.getCount()).divide(BigDecimal.valueOf(max), 6, RoundingMode.HALF_UP).multiply(BigDecimal.valueOf(100)));
+            });
+        });
+        return resp;
+    }
+}