public Data.FootPrint GetRandomUnverifiedFootPrint()
{
var result = new Data.FootPrint();
var source = _FootPrintRepository.Entities.AsNoTracking().Where(p => p.state == FootPrintState.None && p.isEnable);
if (source.Any())
{
var pids = source.Select(p => p.pid).ToArray();
var Seed = Guid.NewGuid().GetHashCode();
var random = new Random(Seed);
int index = random.Next(0, pids.Length); //生成随机下标
var pid = pids[index];
result = source.FirstOrDefault(p => p.pid == pid);
}
else
{
result = null;
}
return(result);
}
public IFootPrintService SaveFootPrint()
{
//Init();
InitFootLocation();
InitAreaNo();
if (string.IsNullOrWhiteSpace(_AreaNo))
{
_AreaNo = "0001";
}
var now = DateTime.Now;
IFootPrintService service = null;
using (var scope = new TransactionScope())
{
Data.FootPrint entity = null;
if (_Fid > 0)
{
entity = _FootPrintRepository.Entities.FirstOrDefault(p => p.fid == _Fid);
ExceptionHelper.ThrowIfTrue(entity.uid != _Uid, "uid", "用户不允许修改他人的足迹");
ExceptionHelper.ThrowIfTrue(entity.state == FootPrintState.Pass, "", "已通过的足迹不能修改");
}
if (entity == null)
{
entity = _FootPrintRepository.Add(new Data.FootPrint()
{
uid = _Uid,
created = now,
isEnable = true,
state = FootPrintState.None,
orderUpdated = now,
});
}
if (entity.pid != ProjectSource.pid)
{
entity.pid = ProjectSource.pid;
}
if (!string.IsNullOrWhiteSpace(_Address) && _Address != entity.address)
{
entity.address = _Address;
}
if (!string.IsNullOrWhiteSpace(_Content))
{
entity.content = _Content;
}
if (_Latitude > 0 && _Longitude > 0 && (_Latitude != entity.latitude || _Longitude != entity.longitude))
{
entity.latitude = _Latitude;
entity.longitude = _Longitude;
if (!string.IsNullOrWhiteSpace(_AreaNo) && _AreaNo != "0001")
{
entity.areaNo = _AreaNo;
}
}
if (!string.IsNullOrWhiteSpace(_AreaNo) && string.IsNullOrWhiteSpace(entity.areaNo))
{
entity.areaNo = _AreaNo;
}
entity.updated = now;
_FootPrintRepository.SaveChanges();
service = _FootPrintServiceFactory.GetService(entity.fid);
service.UpdateImages(_Image);
service.UpdateTags(_Tags);
if (entity.state == FootPrintState.UnPass)
{
entity.state = FootPrintState.None;
}
_FootPrintRepository.SaveChanges();
scope.Complete();
}
return(service);
}