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Issue 54 make it possible to add Reset header when using the FixedWin… #55

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merged 1 commit into from
Apr 21, 2023
Merged

Issue 54 make it possible to add Reset header when using the FixedWin… #55

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9 changes: 9 additions & 0 deletions src/RedisRateLimiting/FixedWindow/RedisFixedWindowRateLimiter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,7 @@ protected override RateLimitLease AttemptAcquireCore(int permitCount)

leaseContext.Count = response.Count;
leaseContext.RetryAfter = response.RetryAfter;
leaseContext.ExpiresAt = DateTimeOffset.FromUnixTimeSeconds(response.ExpiresAt);

if (leaseContext.Count > _options.PermitLimit)
{
Expand Down Expand Up @@ -114,6 +115,8 @@ private sealed class FixedWindowLeaseContext
public TimeSpan Window { get; set; }

public TimeSpan? RetryAfter { get; set; }

public DateTimeOffset? ExpiresAt { get; set; }
}

private sealed class FixedWindowLease : RateLimitLease
Expand Down Expand Up @@ -152,6 +155,12 @@ public override bool TryGetMetadata(string metadataName, out object? metadata)
return true;
}

if (metadataName == RateLimitMetadataName.Reset.Name && _context?.ExpiresAt is not null)
{
metadata = _context.ExpiresAt.Value;
return true;
}

metadata = default;
return false;
}
Expand Down