479 lines
20 KiB
C#
479 lines
20 KiB
C#
using LY.App.Common;
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using LY.App.Common.Redis;
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using LY.App.Common.WebSocket;
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using LY.App.Extensions.DI;
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using LY.App.Model;
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using Mapster;
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using NetTopologySuite.Geometries;
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using NetTopologySuite.IO;
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using SqlSugar;
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namespace LY.App.Service
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{
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/// <summary>
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/// 报警服务
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/// </summary>
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[ServiceInjection(InjectionType.Transient)]
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public class AlarmService
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{
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private readonly SqlSugarClient _db;
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private readonly IConfiguration _config;
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private readonly RedisService _redisService;
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private readonly PushService _pushService;
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public AlarmService(SqlSugarClient db, IConfiguration config, RedisService redisService, PushService pushService)
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{
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_db = db;
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_config = config;
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_redisService = redisService;
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_pushService = pushService;
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}
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/// <summary>
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/// 新增报警信息
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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public async Task<ApiResult> AddAlarm(RevData input)
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{
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await SetDeviceStataus(input);
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var key = RedisKeyList.DeviceInfo(input.product_ad_id);
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var deviceinfo = await _redisService.GetAsync<DeviceEntity>(key);
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if (deviceinfo == null)
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{
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deviceinfo = await _db.CopyNew().Queryable<DeviceEntity>().Where(s => s.DeviceSN == input.product_ad_id).FirstAsync();
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if (deviceinfo == null)
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{
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return new ApiResult() { code = 1, msg = "设备不存在" };
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}
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await _redisService.SetAsync(key, deviceinfo, TimeSpan.FromDays(1));
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}
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var entity = input.data.Adapt<List<Alarm>>();
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entity = entity.Where(s => checkDistance(s.drone_lat, s.drone_lon, deviceinfo.Lat, deviceinfo.Lon) == true).ToList();
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if (entity.Any())
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{
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foreach (var item in entity)
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{
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item.BatchId = await GetBatId(item.serial_number);
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item.DeviceId = deviceinfo.Id;
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item.DeviceName = deviceinfo.Name;
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item.positionId = deviceinfo.PositionId;
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item.PostionName = deviceinfo.PositionName;
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item.Time = input.time;
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item.distance = GisHelper.HaversineDistance(item.drone_lat, item.drone_lon, item.app_lat, item.app_lon);
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item.IsWhitelist = await Iswhitlist(item.serial_number, item.drone_lat, item.drone_lon);
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item.alarmLevel = item.IsWhitelist == true ? 0 : await GetAlarmLevel(deviceinfo.PositionId, item.drone_lon, item.drone_lat);
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item.centerdistance = await GetCenterDistance(item.drone_lat, item.drone_lon, item.positionId);
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}
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await _db.CopyNew().Insertable(entity).SplitTable().ExecuteReturnSnowflakeIdListAsync();
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//推送报警信息
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await _pushService.SendMessageToAll(new { msgType = "event", data = entity });
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}
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return new ApiResult();
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}
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/// <summary>
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/// 防区中心距离
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/// </summary>
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/// <param name="lat"></param>
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/// <param name="lon"></param>
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/// <param name="positioonId"></param>
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/// <returns></returns>
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private async Task<double> GetCenterDistance(double lat, double lon, long positioonId)
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{
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try
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{
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var key = RedisKeyList.PositioinRegion(positioonId);
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var pontion = await _redisService.GetAsync<PositionInfo>(key);
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if (pontion == null)
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{
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pontion = await _db.CopyNew().Queryable<PositionInfo>()
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.Where(s => s.Id == positioonId)
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.FirstAsync();
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await _redisService.SetAsync(key, pontion);
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}
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var distance = GisHelper.HaversineDistance(lat, lon, pontion.lat, pontion.lat);
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return distance;
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex.Message);
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}
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return 0;
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}
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/// <summary>
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/// 判断 距离是否在范围内
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/// </summary>
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/// <param name="lat"></param>
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/// <param name="lon"></param>
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/// <param name="d_lat"></param>
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/// <param name="d_lon"></param>
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/// <returns></returns>
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private bool checkDistance(double lat, double lon, double d_lat, double d_lon)
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{
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var maxDistance = Convert.ToDouble(_config["MaxDistance"]);
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var distance = GisHelper.HaversineDistance(lat, lon, d_lat, d_lon);
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return distance < maxDistance;
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}
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/// <summary>
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/// 判断是否在白名单中
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/// </summary>
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/// <param name="serial_number"></param>
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/// <param name="lat"></param>
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/// <param name="lon"></param>
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/// <returns></returns>
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private async Task<bool> Iswhitlist(string serial_number, double lat, double lon)
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{
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string key = RedisKeyList.white_list(serial_number);
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if (!await _redisService.ExistsAsync(key))
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return false;
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else
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{
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var entity = await _redisService.GetAsync<Whitelist>(key);
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//判断 是否在防区内
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if (entity.positionId.Any())
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{
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foreach (var item in entity.positionId)
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{
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var region = await _redisService.GetAsync<PositionInfo>(RedisKeyList.PositioinRegion(item));
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if (region != null)
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{
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region.SetRegionJson();
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if (IsPointInGeoJson(lat, lon, region.RegionJson))
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{
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//判断时间是否在区在
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if (entity.allDay)
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{
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return true;
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}
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else
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{
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return entity.startTime <= DateTime.Now && DateTime.Now <= entity.endTime;
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}
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}
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}
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}
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}
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}
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return false;
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}
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static bool IsPointInGeoJson(double latitude, double longitude, string geoJson)
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{
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// 使用 NetTopologySuite 解析 GeoJSON
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var reader = new GeoJsonReader();
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Geometry geometry = reader.Read<Geometry>(geoJson);
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// 创建点
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var point = new Point(longitude, latitude);
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// 判断点是否在几何图形内
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return geometry.Contains(point);
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}
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/// <summary>
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/// 计算入侵级别
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/// </summary>
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/// <param name="positionId"></param>
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/// <param name="lon"></param>
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/// <param name="lat"></param>
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/// <returns></returns>
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private async Task<int> GetAlarmLevel(long positionId, double lon, double lat)
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{
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int result = 0;
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if (positionId > 0 && lon > 0 && lat > 0)
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{
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var key = RedisKeyList.PositioinRegion(positionId);
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var geodata = await _redisService.GetAsync<PositionInfo>(key);
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if (geodata == null)
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{
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geodata = await _db.CopyNew().Queryable<PositionInfo>()
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.Where(s => s.Id == positionId)
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.FirstAsync();
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await _redisService.SetAsync<PositionInfo>(key, geodata);
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}
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WKTReader reader = new WKTReader();
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Geometry point = reader.Read($"POINT ({lon} {lat})");
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Geometry multipolygon = reader.Read(geodata.Region);
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if (multipolygon.Contains(point))
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{
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return 1;
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}
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}
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return result;
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}
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/// <summary>
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/// 推送消息
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/// </summary>
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/// <param name="message"></param>
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/// <returns></returns>
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public async Task PushMessage(object message)
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{
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//推送前端无人机数据
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await _pushService.SendMessageToAll(message);
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}
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/// <summary>
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/// 设置设备在线状态,并更新数据
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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private async Task SetDeviceStataus(RevData input)
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{
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await _redisService.SetAsync(RedisKeyList.DeviceStatus(input.product_ad_id), true, TimeSpan.FromSeconds(5));
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//更新 设备缓存
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var key = RedisKeyList.DeviceInfo(input.product_ad_id);
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var deviceinfo = await _redisService.GetAsync<DeviceEntity>(key);
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if (deviceinfo != null && deviceinfo.isMove)
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{
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deviceinfo.Lat = input.product_lat;
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deviceinfo.Lon = input.product_lon;
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await _redisService.SetAsync(key, deviceinfo);
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//更新位置
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// await _db.Updateable(deviceinfo).ExecuteCommandAsync();
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await _db.CopyNew().Updateable<DeviceEntity>(deviceinfo).UpdateColumns(it => new { it.Lat, it.Lon }).ExecuteCommandAsync();
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}
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}
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private async Task<long> GetBatId(string droneId)
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{
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var timeSpan = Convert.ToDouble(_config["BatchId"]);
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var key = RedisKeyList.BatchIdBysn(droneId);
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//从redis取出batchid，如果没有，就新加一个，每次访问都重置一下过期时间来模拟滑动过期
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var batchId = await _redisService.GetAsync<long>(key);
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if (batchId == 0)
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{
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batchId = SnowFlakeSingle.Instance.NextId();
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await _redisService.DeleteAsync(RedisKeyList.index_data());
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}
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await _redisService.SetAsync(key, batchId, TimeSpan.FromSeconds(timeSpan));
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return batchId;
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}
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/// <summary>
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/// //根据batchId获取报警信息
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/// </summary>
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/// <param name="batchId"></param>
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/// <returns></returns>
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public async Task<ApiResult> GetByBatchId(long batchId)
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{
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var items = await _db.Queryable<Alarm>().SplitTable()
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.Where(s => s.BatchId == batchId)
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.OrderBy(s => s.Id).Select(s => new
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{
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Lon = s.drone_lon,
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Lat = s.drone_lat,
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Alt = s.height,
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s.app_lat,
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s.app_lon,
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s.CreateTime,
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AlarmLevel = s.alarmLevel,
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}).ToListAsync();
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return new ApiResult() { data = items };
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}
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/// <summary>
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/// 首页统计
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/// </summary>
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/// <returns></returns>
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public async Task<Dictionary<string, int>> IndexCount()
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{
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Dictionary<string, int> result = new Dictionary<string, int>();
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// 获取当前日期和时间
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DateTime currentDate = DateTime.Now;
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// 获取当天的开始时间
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DateTime startDate = currentDate.Date;
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// 获取当天的结束时间（23:59:59）
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DateTime endDate = currentDate.Date.AddDays(1).AddTicks(-1);
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//计算当天
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var todaywaring = await _db.Queryable<Alarm>().SplitTable()
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.Where(s => s.alarmLevel > 0 && s.IsWhitelist == false)
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.Where(s => s.CreateTime >= startDate && s.CreateTime <= endDate)
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.GroupBy(s => s.BatchId)
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.Select(s => s.BatchId).CountAsync();
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//计算当天处理次数
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//var todayhandle = _db.Queryable<AttackEntity>()
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// .Where(s => s.BatchId > 0)
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// .Where(s => s.CreateTime >= startDate && s.CreateTime <= endDate);
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//计算总数
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var totalcount = _db.Queryable<Alarm>().SplitTable()
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.Where(s => s.alarmLevel > 0 && s.IsWhitelist == false)
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.GroupBy(s => s.BatchId)
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.Select(s => s.BatchId);
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//计算处理总数
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//var totalhandle = _db.Queryable<AttackEntity>()
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// .Where(x => x.BatchId > 0);
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//组合查询结果
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//return new
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//{
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// todaywaring = await todaywaring.CountAsync(),
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// todayhandle =0,
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// totalcount = await totalcount.CountAsync(),
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// totalhandle = 0
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//};
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result.Add("todaywaring", todaywaring);
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result.Add("todayhandle", 0);
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result.Add("totalcount", await totalcount.CountAsync());
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result.Add("totalhandle", 0);
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return result;
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}
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/// <summary>
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/// 分页
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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public async Task<ApiResult> GetPage(AlarmReq input)
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{
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var result = await CreatePage(input);
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return new ApiResult()
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{
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code = 0,
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data = new
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{
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total = result.Item1,
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items = result.Item2
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}
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};
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}
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/// <summary>
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/// 热力图
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/// </summary>
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/// <returns></returns>
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public async Task<ApiResult> hotmap()
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{
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var query = await _db.Queryable<Alarm>().SplitTable()
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.GroupBy(x => new { Lon = SqlFunc.Round(x.drone_lon, 4), Lat = SqlFunc.Round(x.drone_lat, 4) }) // 按经纬度分组
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.Select(x => new
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{
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Lon = SqlFunc.Round(x.drone_lon, 4),
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Lat = SqlFunc.Round(x.drone_lat, 4),
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Count = SqlFunc.AggregateCount(x.BatchId), // 统计去重后的BatchId
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})
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.ToListAsync();
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return new ApiResult() { data = query };
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}
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/// <summary>
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/// 列表
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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public async Task<Tuple<int, List<AlarmRepDto>>> CreatePage(AlarmReq input)
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{
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RefAsync<int> total = 0;
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var items = await _db.Queryable<Alarm>().SplitTable()
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.WhereIF(input.Frequency.HasValue, st => st.freq == input.Frequency.Value)
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.WhereIF(!string.IsNullOrEmpty(input.sn), s => s.serial_number.Contains(input.sn))
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.WhereIF(!string.IsNullOrEmpty(input.model), st => st.device_type == input.model)
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.WhereIF(input.strartDate.HasValue, st => st.CreateTime >= input.strartDate.Value)
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.WhereIF(input.endDate.HasValue, st => st.CreateTime <= input.endDate.Value.AddDays(1))
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.OrderBy(s => s.BatchId, OrderByType.Desc)
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.GroupBy(s => new { s.BatchId, s.serial_number, s.device_type, s.positionId, s.PostionName, s.freq })
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.Select(st => new AlarmRepDto
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{
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batchId = st.BatchId.ToString(),
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startTime = SqlFunc.AggregateMin(st.CreateTime),
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endTime = SqlFunc.AggregateMax(st.CreateTime),
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sn = st.serial_number,
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Frequency = st.freq,
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duration = (SqlFunc.AggregateMax(st.CreateTime) - SqlFunc.AggregateMin(st.CreateTime)).TotalSeconds,
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model = st.device_type,
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positionId = st.positionId,
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positionName = st.PostionName
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}).MergeTable()//合并查询
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.ToPageListAsync(input.pageNum, input.pageSize, total);
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return Tuple.Create(total.Value, items);
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}
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/// <summary>
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/// 报表统计
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/// </summary>
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/// <returns></returns>
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public async Task<ApiResult> GetReport(DateTime? start, DateTime? end)
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{
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start = start.HasValue ? start.Value : DateTime.Now.AddMonths(-1);
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end = end.HasValue ? end.Value.AddDays(1) : DateTime.Now.Date.AddDays(1);
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var query = await _db.Queryable<Alarm>().SplitTable()
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.Where(s => s.alarmLevel > 0)
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.WhereIF(start.HasValue, st => st.CreateTime >= start.Value)
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.WhereIF(end.HasValue, st => st.CreateTime <= end.Value.AddDays(1))
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.GroupBy(s => new { s.BatchId, s.serial_number, s.device_type, s.positionId, s.PostionName, s.DeviceId, s.DeviceName })
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.Select(st => new
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{
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batchId = st.BatchId,
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startTime = SqlFunc.AggregateMin(st.CreateTime),
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endTime = SqlFunc.AggregateMax(st.CreateTime),
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sn = st.serial_number,
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Frequency = SqlFunc.AggregateMax(st.freq),
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duration = (SqlFunc.AggregateMax(st.CreateTime) - SqlFunc.AggregateMin(st.CreateTime)).TotalSeconds,
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model = st.device_type,
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positionName = st.PostionName,
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deviceId = st.DeviceId,
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deviceName = st.DeviceName
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}).MergeTable()//合并查询
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.ToListAsync();
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return new ApiResult()
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{
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data = new
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{
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freq = query.GroupBy(s => new { freq = FreqConvert.CoverFreq(s.Frequency) })
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.Select(b => new
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{
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b.Key.freq,
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count = b.Count()
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}),
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model = query.GroupBy(s => new { s.model })
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.Select(b => new
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{
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b.Key.model,
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count = b.Count()
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}),
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position = query.GroupBy(s => new { s.positionName })
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.Select(s => new
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{
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s.Key.positionName,
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count = s.Count()
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}),
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time = query.GroupBy(s => s.startTime.ToString("HH"))
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.Select(it => new
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{
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it.Key,
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count = it.Count()
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}),
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date = query.GroupBy(s => s.startTime.ToString("yyyy-MM-dd"))
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.Select(it => new
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{
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it.Key,
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count = it.Count()
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}),
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device = query.GroupBy(s => new { s.deviceName })
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.Select(b => new
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{
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b.Key.deviceName,
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count = b.Count()
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})
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}
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};
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}
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/// <summary>
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/// 热力图，取经纬度4位数
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/// </summary>
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/// <param name="batchIds"></param>
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/// <returns></returns>
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private async Task<object> GenerateHotMap(List<long> batchIds)
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{
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return await _db.Queryable<Alarm>().SplitTable()
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.Where(s => s.drone_lat > 0 && s.drone_lon > 0 && batchIds.Contains(s.BatchId))
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.Select(s => new
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{
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drone_lon = SqlFunc.Round(s.drone_lon, 4),
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drone_lat = SqlFunc.Round(s.drone_lat, 4),
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})
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.GroupBy(s => new { s.drone_lat, s.drone_lon })
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.Select(s => new
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{
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Key = new { Lon = SqlFunc.Round(s.drone_lat, 4), Lat = SqlFunc.Round(s.drone_lon, 4) },
|
||
val = SqlFunc.AggregateCount(s)
|
||
})
|
||
.ToListAsync();
|
||
}
|
||
}
|
||
}
|