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fix plug to the store

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This commit is contained in:
cryptooda
2025-09-14 17:00:26 +07:00
parent caa0d9e1a6
commit 7809e45b28
3 changed files with 95 additions and 25 deletions
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83
src/Managing.Application/Grains/CandleStoreGrain.cs
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@@ -34,22 +34,38 @@ public class CandleStoreGrain : Grain, ICandleStoreGrain, IAsyncObserver<Candle>
public override async Task OnActivateAsync(CancellationToken cancellationToken)
{
var grainKey = this.GetPrimaryKeyString();
_logger.LogInformation("CandleStoreGrain activated for key: {GrainKey}", grainKey);
// Parse the grain key to extract exchange, ticker, and timeframe
var (exchange, ticker, timeframe) = CandleHelpers.ParseCandleStoreGrainKey(grainKey);
// Initialize state if empty
if (_state.State.Candles == null || _state.State.Candles.Count == 0)
try
{
await LoadInitialCandlesAsync(exchange, ticker, timeframe);
var grainKey = this.GetPrimaryKeyString();
_logger.LogInformation("CandleStoreGrain activated for key: {GrainKey}", grainKey);
// Parse the grain key to extract exchange, ticker, and timeframe
var (exchange, ticker, timeframe) = CandleHelpers.ParseCandleStoreGrainKey(grainKey);
// Initialize state if empty
if (_state.State.Candles == null || _state.State.Candles.Count == 0)
{
await LoadInitialCandlesAsync(exchange, ticker, timeframe);
}
// Subscribe to the price stream
await SubscribeToPriceStreamAsync(grainKey);
await base.OnActivateAsync(cancellationToken);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error during CandleStoreGrain activation for key: {GrainKey}", this.GetPrimaryKeyString());
// Ensure state is initialized even if there's an error
if (_state.State.Candles == null)
{
_state.State.Candles = new List<Candle>();
await _state.WriteStateAsync();
}
throw; // Re-throw to let Orleans handle the activation failure
}
// Subscribe to the price stream
await SubscribeToPriceStreamAsync(grainKey);
await base.OnActivateAsync(cancellationToken);
}
public override async Task OnDeactivateAsync(DeactivationReason reason, CancellationToken cancellationToken)
@@ -68,7 +84,14 @@ public class CandleStoreGrain : Grain, ICandleStoreGrain, IAsyncObserver<Candle>
{
try
{
return Task.FromResult(_state.State.Candles?.ToList() ?? new List<Candle>());
// Ensure state is initialized
if (_state.State.Candles == null)
{
_logger.LogWarning("State not initialized for grain {GrainKey}, returning empty list", this.GetPrimaryKeyString());
return Task.FromResult(new List<Candle>());
}
return Task.FromResult(_state.State.Candles.ToList());
}
catch (Exception ex)
{
@@ -135,14 +158,17 @@ public class CandleStoreGrain : Grain, ICandleStoreGrain, IAsyncObserver<Candle>
_logger.LogInformation("Loading initial candles for {Exchange}-{Ticker}-{Timeframe}",
exchange, ticker, timeframe);
// Ensure state is initialized first
if (_state.State.Candles == null)
{
_state.State.Candles = new List<Candle>();
}
// Load the last 500 candles from the database
var endDate = DateTime.UtcNow;
var startDate =
CandleHelpers
.GetBotPreloadSinceFromTimeframe(timeframe); // Look back 30 days to ensure we get enough data
var startDate = CandleHelpers.GetBotPreloadSinceFromTimeframe(timeframe);
var candles =
await _candleRepository.GetCandles(exchange, ticker, timeframe, startDate, endDate, MaxCandleCount);
var candles = await _candleRepository.GetCandles(exchange, ticker, timeframe, startDate, endDate, MaxCandleCount);
if (candles?.Any() == true)
{
@@ -195,7 +221,22 @@ public class CandleStoreGrain : Grain, ICandleStoreGrain, IAsyncObserver<Candle>
public Task<Candle> GetLastCandle()
{
return Task.FromResult(_state.State.Candles?.LastOrDefault());
try
{
// Ensure state is initialized
if (_state.State.Candles == null || _state.State.Candles.Count == 0)
{
_logger.LogDebug("No candles available for grain {GrainKey}", this.GetPrimaryKeyString());
return Task.FromResult<Candle>(null);
}
return Task.FromResult(_state.State.Candles.LastOrDefault());
}
catch (Exception ex)
{
_logger.LogError(ex, "Error retrieving last candle for grain {GrainKey}", this.GetPrimaryKeyString());
return Task.FromResult<Candle>(null);
}
}
}