public List <UserRankDTO> GetUserRankClosedPL()
{
var tryGetAuthUser = TryGetAuthUser();
int balanceTypeId = 1;
if (tryGetAuthUser != null)
{
balanceTypeId = db.Balances.FirstOrDefault(o => o.Id == tryGetAuthUser.ActiveBalanceId).TypeId;
}
var beginTimeUtc = DateTimes.GetRankingBeginTimeUTC();
var userDTOs = db.Positions.Where(o => o.ClosedAt != null && o.ClosedAt >= beginTimeUtc && o.BalanceTypeId == balanceTypeId)
.GroupBy(o => o.UserId)
.Join(db.Users, g => g.Key, u => u.Id, (g, u) => new UserRankDTO()
{
id = g.Key.Value,
nickname = u.Nickname,
picUrl = u.PicUrl,
//posCount = g.Count(),
winRate = (decimal)g.Count(p => p.PL > 0) / g.Count(),
roi = g.Sum(p => p.PL.Value) / g.Sum(p => p.Invest.Value),
}).OrderByDescending(o => o.roi).Take(YJYGlobal.DEFAULT_PAGE_SIZE).ToList();
//var tryGetAuthUser = TryGetAuthUser();
if (tryGetAuthUser != null)
{
////move myself to the top
//var findIndex = userDTOs.FindIndex(o => o.id == tryGetAuthUser.Id);
//if (findIndex > 0)
//{
// var me = userDTOs.First(o => o.id == tryGetAuthUser.Id);
// userDTOs.RemoveAt(findIndex);
// userDTOs.Insert(0, me);
//}
//else if (findIndex == 0)
//{
// //do nothing
//}
//else
//{
// userDTOs.Insert(0, new UserRankDTO()
// {
// id = tryGetAuthUser.Id,
// nickname = tryGetAuthUser.Nickname,
// picUrl = tryGetAuthUser.PicUrl,
// //posCount = 0,
// roi = 0,
// winRate = 0,
// });
//}
//add myself to the top
var me = userDTOs.FirstOrDefault(o => o.id == tryGetAuthUser.Id);
if (me != null)
{
userDTOs.Insert(0,
new UserRankDTO()
{
id = me.id,
nickname = me.nickname,
picUrl = me.picUrl,
roi = me.roi,
winRate = me.winRate
});
}
else
{
userDTOs.Insert(0,
new UserRankDTO()
{
id = tryGetAuthUser.Id,
nickname = tryGetAuthUser.Nickname,
picUrl = tryGetAuthUser.PicUrl,
roi = 0,
winRate = 0,
});
}
}
return(userDTOs);
}
public List <FeedDTO> GetDefaultFeeds(int count = 50, DateTime?newerThan = null, DateTime?olderThan = null)
{
var tryGetAuthUser = TryGetAuthUser();
if (tryGetAuthUser == null)
{
//不再区分中英文
//get system feed
//var language = Thread.CurrentThread.CurrentUICulture.Name;
var systemFeedsWhereClause = db.Headlines.AsQueryable();
if (olderThan != null)
{
systemFeedsWhereClause = systemFeedsWhereClause.Where(o => o.CreateAt < olderThan);
}
if (newerThan != null)
{
systemFeedsWhereClause = systemFeedsWhereClause.Where(o => o.CreateAt > newerThan);
}
var systemFeeds = systemFeedsWhereClause
.OrderByDescending(o => o.CreateAt).Take(count)
.Select(o => new FeedDTO()
{
user =
new UserBaseDTO()
{
picUrl = Blob.USER_DEFAULT_PIC_FOLDER_URL + Blob.SYSTEM_FEED_PIC_FILENAME,
//nickname = "system",
},
type = "system",
time = o.CreateAt.Value,
body = o.Body,
title = o.Header,
})
.ToList();
return(systemFeeds);
}
var feedUserIds = new List <int>();
feedUserIds.Add(tryGetAuthUser.Id);
if (tryGetAuthUser.ShowFollowingFeed ?? true)
{
//following user ids
var followingUserIds =
db.UserFollows.Where(o => o.UserId == tryGetAuthUser.Id).Select(o => o.FollowingId).ToList();
feedUserIds = feedUserIds.Concat(followingUserIds).ToList();
}
if (tryGetAuthUser.ShowTradeFollowingFeed ?? true)
{
//trade following user ids
var tradeFollowingUserIds =
db.UserTradeFollows.Where(o => o.UserId == tryGetAuthUser.Id).Select(o => o.FollowingId).ToList();
feedUserIds = feedUserIds.Concat(tradeFollowingUserIds).ToList();
}
//-------------------balance type -------------------
int balanceTypeId = 1;
if (tryGetAuthUser != null)
{
balanceTypeId = db.Balances.FirstOrDefault(o => o.Id == tryGetAuthUser.ActiveBalanceId).TypeId;
}
//get open feeds
var openFeedsWhereClause = db.Positions.Where(o => o.FollowPosId == null && feedUserIds.Contains(o.UserId.Value) && o.BalanceTypeId == balanceTypeId);
if (olderThan != null)
{
openFeedsWhereClause = openFeedsWhereClause.Where(o => o.CreateTime < olderThan);
}
var openFeeds = openFeedsWhereClause
.OrderByDescending(o => o.CreateTime).Take(count)
.Select(o => new FeedDTO()
{
user = new UserBaseDTO()
{
id = o.UserId.Value
},
type = "open",
time = o.CreateTime.Value,
position =
new PositionBaseDTO()
{
id = o.Id, invest = o.Invest, leverage = o.Leverage, isLong = o.Side
},
security = new SecurityBaseDTO()
{
id = o.SecurityId.Value
},
})
.ToList();
//get close feeds
var closeFeedsWhereClause = db.Positions.Where(o => o.FollowPosId == null && feedUserIds.Contains(o.UserId.Value) && o.ClosedAt != null && o.BalanceTypeId == balanceTypeId);
if (olderThan != null)
{
closeFeedsWhereClause = closeFeedsWhereClause.Where(o => o.ClosedAt < olderThan);
}
var closeFeeds = closeFeedsWhereClause
.OrderByDescending(o => o.ClosedAt).Take(count)
.Select(o => new FeedDTO()
{
user = new UserBaseDTO()
{
id = o.UserId.Value
},
type = "close",
time = o.ClosedAt.Value,
position = new PositionBaseDTO()
{
id = o.Id, roi = o.PL / o.Invest, isLong = o.Side
},
security = new SecurityBaseDTO()
{
id = o.SecurityId.Value
},
})
.ToList();
//get status feeds
var statusFeedsWhereClause = db.Status.Where(o => feedUserIds.Contains(o.UserId.Value));
if (olderThan != null)
{
statusFeedsWhereClause = statusFeedsWhereClause.Where(o => o.Time < olderThan);
}
var statusFeed = statusFeedsWhereClause
.OrderByDescending(o => o.Time).Take(count)
.Select(o => new FeedDTO()
{
user = new UserBaseDTO()
{
id = o.UserId.Value
},
type = "status",
time = o.Time.Value,
status = o.Text,
})
.ToList();
//concat results
var @resultEnumerable = openFeeds.Concat(closeFeeds).Concat(statusFeed);
//get system feed
if (tryGetAuthUser.ShowHeadlineFeed ?? true)
{
//get system feed
var systemFeedsWhereClause = db.Headlines.AsQueryable();
if (olderThan != null)
{
systemFeedsWhereClause = systemFeedsWhereClause.Where(o => o.CreateAt < olderThan);
}
if (newerThan != null)
{
systemFeedsWhereClause = systemFeedsWhereClause.Where(o => o.CreateAt > newerThan);
}
var systemFeeds = systemFeedsWhereClause
.OrderByDescending(o => o.CreateAt).Take(count)
.Select(o => new FeedDTO()
{
user =
new UserBaseDTO()
{
picUrl = Blob.USER_DEFAULT_PIC_FOLDER_URL + Blob.SYSTEM_FEED_PIC_FILENAME,
//nickname = "system",
},
type = "system",
time = o.CreateAt.Value,
body = o.Body,
title = o.Header,
})
.ToList();
//add to results
@resultEnumerable = @resultEnumerable.Concat(systemFeeds);
}
//filter by param 'newerThan'
if (newerThan != null)
{
@resultEnumerable = @resultEnumerable.Where(o => o.time > newerThan.Value);
}
var result = @resultEnumerable.OrderByDescending(o => o.time).Take(count).ToList();
//get ranked users
var beginTimeUtc = DateTimes.GetRankingBeginTimeUTC();
var rankedUsers =
db.Positions.Where(o => o.ClosedAt != null && o.ClosedAt >= beginTimeUtc && o.BalanceTypeId == balanceTypeId)
.GroupBy(o => o.UserId)
.Select(g => new
{
id = g.Key.Value,
roi = g.Sum(p => p.PL.Value) / g.Sum(p => p.Invest.Value),
})
.OrderByDescending(o => o.roi)
.Take(YJYGlobal.DEFAULT_PAGE_SIZE)
.ToList();
//populate user/security info
var users = db.Users.Where(o => feedUserIds.Contains(o.Id)).ToList();
var prods = WebCache.Instance.ProdDefs;
foreach (var feedDto in result)
{
if (feedDto.user != null && feedDto.user.id != null)
{
var user = users.FirstOrDefault(o => o.Id == feedDto.user.id);
feedDto.user.nickname = user.Nickname;
feedDto.user.picUrl = user.PicUrl;
feedDto.isRankedUser = rankedUsers.Any(o => o.id == feedDto.user.id);
}
if (feedDto.security != null)
{
feedDto.security.name =
Translator.GetProductNameByThreadCulture(
prods.FirstOrDefault(o => o.Id == feedDto.security.id).Name);
}
}
return(result);
}
