feat: missed flags to prevent spamming for user

QuantConnect.IEX/IEXDataProvider.cs

@@ -58,6 +58,21 @@ public class IEXDataProvider : SynchronizingHistoryProvider, IDataQueueHandler
  /// </summary>
  private static bool _invalidHistoryDataTypeWarningFired;
 
+ /// <summary>
+ /// Indicates whether the warning for invalid <see cref="SecurityType"/> has been fired.
+ /// </summary>
+ private bool _invalidSecurityTypeWarningFired;
+
+ /// <summary>
+ /// Indicates whether a warning for an invalid start time has been fired, where the start time is greater than or equal to the end time in UTC.
+ /// </summary>
+ private bool _invalidStartTimeWarningFired;
+
+ /// <summary>
+ /// Indicates whether a warning for an invalid <see cref="Resolution"/> has been fired, where the resolution is neither daily nor minute-based.
+ /// </summary>
+ private bool _invalidResolutionWarningFired;
+
  /// <summary>
  /// Represents two clients: one for the trade channel and another for the top-of-book channel.
  /// </summary>
@@ -509,21 +524,33 @@ public override void Initialize(HistoryProviderInitializeParameters parameters)
  continue;
  }
 
- if (request.Symbol.SecurityType != SecurityType.Equity)
+ if (!CanSubscribe(request.Symbol))
  {
- Log.Trace($"{nameof(IEXDataProvider)}.{nameof(GetHistory)}: Unsupported SecurityType '{request.Symbol.SecurityType}' for symbol '{request.Symbol}'");
+ if (!_invalidSecurityTypeWarningFired)
+ {
+ Log.Trace($"{nameof(IEXDataProvider)}.{nameof(GetHistory)}: Unsupported SecurityType '{request.Symbol.SecurityType}' for symbol '{request.Symbol}'");
+ _invalidSecurityTypeWarningFired = true;
+ }
  continue;
  }
 
  if (request.StartTimeUtc >= request.EndTimeUtc)
  {
- Log.Error($"{nameof(IEXDataProvider)}.{nameof(GetHistory)}: Error - The start date in the history request must come before the end date. No historical data will be returned.");
+ if (!_invalidStartTimeWarningFired)
+ {
+ Log.Error($"{nameof(IEXDataProvider)}.{nameof(GetHistory)}: Error - The start date in the history request must come before the end date. No historical data will be returned.");
+ _invalidStartTimeWarningFired = true;
+ }
  continue;
  }
 
  if (request.Resolution != Resolution.Daily && request.Resolution != Resolution.Minute)
  {
- Log.Error($"{nameof(IEXDataProvider)}.{nameof(GetHistory)}: History calls for IEX only support daily & minute resolution.");
+ if (!_invalidResolutionWarningFired)
+ {
+ Log.Error($"{nameof(IEXDataProvider)}.{nameof(GetHistory)}: History calls for IEX only support daily & minute resolution.");
+ _invalidResolutionWarningFired = true;
+ }
  continue;
  }