public Stream GroupLocation(string GroupID)
{
if (string.IsNullOrEmpty(GroupID))
{
return(ResponseHelper.Failure("队伍ID不能为空！"));
}
try
{
var visitors = EFHelper.GetAll <Visitor>().ToList();
var groups = EFHelper.GetAll <Group>().ToList();
var locators = EFHelper.GetAll <Locator>().ToList();
var team = from g in groups
where g.GroupID == GroupID && g.InviteeState == 1
join v in visitors on g.VisitorID equals v.VisitorID
join l in locators on v.VisitorID equals l.VisitorID
where l.LocatorState == 1
select new { v.VisitorID, v.Name, l.LocatorID };
if (team.Count() == 0)
{
return(ResponseHelper.Failure("该队伍没有定位信息！"));
}
var localsense = new LocalSense();
localsense.Run();
Thread.Sleep(500);
new Thread(() => { localsense.Stop(); }).Start();
var location = new List <Location>();
foreach (var t in team)
{
location.Add(localsense.locations.Where(q => q.ID == t.LocatorID).OrderByDescending(q => q.Timestamp).FirstOrDefault());
}
var query = from t in team
join l in location on t.LocatorID equals l.ID
orderby t.VisitorID
select new { t.VisitorID, t.Name, l.X, l.Y };
if (query.Count() == 0)
{
return(ResponseHelper.Failure("没有查询到位置信息！"));
}
else
{
return(ResponseHelper.Success(query.ToList()));
}
}
catch (Exception ex)
{
while (ex.InnerException != null)
{
ex = ex.InnerException;
}
return(ResponseHelper.Failure(ex.Message));
}
}
public Stream GetLocation(string VisitorID)
{
if (string.IsNullOrEmpty(VisitorID))
{
return(ResponseHelper.Failure("游客ID不能为空！"));
}
try
{
var locators = EFHelper.GetAll <Locator>().Where(t => t.VisitorID == VisitorID && t.LocatorState == 1);
if (locators.Count() == 0)
{
return(ResponseHelper.Failure("该游客没有定位信息！"));
}
var localsense = new LocalSense();
localsense.Run();
Thread.Sleep(100);
new Thread(() => { localsense.Stop(); }).Start();
var locator = locators.Single();
var query = localsense.locations
.Where(t => t.ID == locator.LocatorID)
.OrderByDescending(t => t.Timestamp)
.Select(t => new { t.X, t.Y }).First();
if (query == null)
{
return(ResponseHelper.Failure("没有查询到位置信息！"));
}
else
{
return(ResponseHelper.Success(new List <dynamic> {
query
}));
}
}
catch (Exception ex)
{
while (ex.InnerException != null)
{
ex = ex.InnerException;
}
return(ResponseHelper.Failure(ex.Message));
}
}
