public async Task <ApiUserTradeHistoryResponse> GetUserTradeHistory(ApiUserTradeHistoryRequest request)
{
var count = Math.Min(request.Count ?? 100, 1000);
if (request.TradePairId.HasValue || !string.IsNullOrEmpty(request.Market))
{
var tradepair = request.TradePairId.HasValue
? await TradePairReader.GetTradePair(request.TradePairId.Value, true).ConfigureAwait(false)
: await TradePairReader.GetTradePair(request.Market.Replace('/', '_'), true).ConfigureAwait(false);
if (tradepair == null)
{
return new ApiUserTradeHistoryResponse {
Success = false, Error = "Market not found."
}
}
;
var cacheResult = await CacheService.GetOrSetMemoryAsync(CacheKey.ApiUserTradeHistory(request.UserId.ToString(), tradepair.TradePairId), TimeSpan.FromSeconds(1), async() =>
{
using (var context = ExchangeDataContextFactory.CreateReadOnlyContext())
{
var history = context.TradeHistory
.AsNoTracking()
.Where(x => x.TradePairId == tradepair.TradePairId && (x.UserId == request.UserId || x.ToUserId == request.UserId))
.OrderByDescending(x => x.Id)
.Take(1000)
.Select(x => new ApiTradeHistory
{
Market = string.Concat(x.TradePair.Currency1.Symbol, "/", x.TradePair.Currency2.Symbol),
TradeId = x.Id,
Amount = x.Amount,
Rate = x.Rate,
Type = x.UserId == request.UserId
? TradeHistoryType.Buy.ToString()
: TradeHistoryType.Sell.ToString(),
TimeStamp = x.Timestamp,
TradePairId = x.TradePairId,
Fee = x.Fee
});
return(await history.ToListNoLockAsync().ConfigureAwait(false));
}
}).ConfigureAwait(false);
return(new ApiUserTradeHistoryResponse
{
Success = true,
Data = cacheResult.Take(count).ToList()
});
}
else
{
var cacheResult = await CacheService.GetOrSetHybridAsync(CacheKey.ApiUserTradeHistory(request.UserId.ToString()), TimeSpan.FromSeconds(20), async() =>
{
using (var context = ExchangeDataContextFactory.CreateReadOnlyContext())
{
var history = context.TradeHistory
.AsNoTracking()
.Where(x => x.UserId == request.UserId || x.ToUserId == request.UserId)
.OrderByDescending(x => x.Id)
.Take(1000)
.Select(x => new ApiTradeHistory
{
Market = string.Concat(x.TradePair.Currency1.Symbol, "/", x.TradePair.Currency2.Symbol),
TradeId = x.Id,
Amount = x.Amount,
Rate = x.Rate,
Type = x.UserId == request.UserId
? TradeHistoryType.Buy.ToString()
: TradeHistoryType.Sell.ToString(),
TimeStamp = x.Timestamp,
TradePairId = x.TradePairId,
Fee = x.Fee
});
return(await history.ToListNoLockAsync().ConfigureAwait(false));
}
}).ConfigureAwait(false);
return(new ApiUserTradeHistoryResponse
{
Success = true,
Data = cacheResult.Take(count).ToList()
});
}
}