// 更新警员位置
// 返回警员位置变化状态，并同时返回警员位置变化异常状态结果
private bool UpgradeOfficerLocation(UpLoadDataPackage data, TagBindModel bdm, out UpgradeOfficerLocationResult result)
{
var handler = new OfficerLocationHandle(Repository);
var lc = handler.First(t => t.OfficerId == bdm.Officer.Id);
result = new UpgradeOfficerLocationResult {
PreLocation = lc, IsLocationException = false
};
var isEmpty = (null == lc);
// 首次进入基站
if (isEmpty && !data.IsOut)
{
lc = new OfficerLocation {
OfficerId = bdm.Officer.Id, EquipId = bdm.Equipment.Id, SiteId = data.SiteId, Status = (short)LocationStatus.In, UpTime = data.TTime
};
handler.Add(lc);
return(true);
}
// 进入基站，并且位置发生变化
if (!isEmpty && !data.IsOut && data.SiteId != lc.SiteId)
{
// 警员位置异常范围最小值
var tmin = lc.UpTime - OfficerLocationExceptionTimeRange;
// 警员位置异常范围最大 值
var tmax = lc.UpTime + OfficerLocationExceptionTimeRange;
// 进一步判断是否发生在异常时间内，并标识是否发生异常
result.IsLocationException = (tmin <= data.TTime && tmax >= data.TTime);
if (result.IsLocationException)
{
// 位置异常，中断执行后续处理，并触发位置异常处理
return(false);
}
// 位置没有发生异常，继续执行后续处理
lc.SiteId = data.SiteId;
lc.EquipId = bdm.Equipment.Id;
lc.Status = (short)LocationStatus.In;
lc.UpTime = data.TTime;
handler.Modify(lc);
return(true);
}
// 离开基站
if (!isEmpty && data.IsOut && lc.SiteId == data.SiteId)
{
lc.EquipId = bdm.Equipment.Id;
lc.Status = (short)LocationStatus.Out;
lc.UpTime = data.TTime;
handler.Modify(lc);
}
return(false);
}
// 警员位置异常处理
// 当同一个警员的不同装备在异常时间范围内出现在不同的位置时，触发当前异常
private void ExecuteOfficerLocationException(UpLoadDataPackage data, TagBindModel bdm, OfficerLocation location)
{
var expt = new EquipmentAllopatryExcept {
CTime = DateTime.Now.ToUnixTime(), DTime = 0L, OfficerId = bdm.Officer.Id, Status = (short)OfficerLocaionExceptStatus.Doing
};
var epHandler = new EquipmentAllopatryExceptHandle(Repository);
epHandler.Add(expt);
var aepc = new AllopatryEquipmentPosition {
AeId = expt.Id, EquipId = bdm.Equipment.Id, SiteId = data.SiteId, UpTime = data.TTime
};
var aepp = new AllopatryEquipmentPosition {
AeId = expt.Id, EquipId = location.EquipId, SiteId = location.SiteId, UpTime = location.UpTime
};
var apHandler = new AllopatryEquipmentPositionHandle(Repository);
apHandler.Add(aepc);
apHandler.Add(aepp);
}
