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fix: invalid ttl for cache control on vertex ai #165

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Merged
tghamm merged 1 commit into from
Oct 24, 2025
Merged

fix: invalid ttl for cache control on vertex ai #165

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4 changes: 2 additions & 2 deletions Anthropic.SDK/Messaging/CacheControl.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,11 +13,11 @@ public class CacheControl
/// </summary>
[JsonPropertyName("ttl")]
[JsonConverter(typeof(CacheDurationConverter))]
public CacheDuration TTL { get; set; }
public CacheDuration? TTL { get; set; }
}

[JsonConverter(typeof(JsonStringEnumConverter))]
public enum CacheControlType
{
ephemeral
}
}
16 changes: 11 additions & 5 deletions Anthropic.SDK/Messaging/CacheDurationConverter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,24 +7,30 @@ namespace Anthropic.SDK.Messaging;
public enum CacheDuration
{
FiveMinutes,
OneHour
OneHour,
}

public class CacheDurationConverter : JsonConverter<CacheDuration>
public class CacheDurationConverter : JsonConverter<CacheDuration?>
{
public override CacheDuration Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
public override CacheDuration? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
string? value = reader.GetString();
return value switch
{
null => null,
"5m" => CacheDuration.FiveMinutes,
"1h" => CacheDuration.OneHour,
_ => throw new JsonException($"Invalid cache duration: {value}")
};
}

public override void Write(Utf8JsonWriter writer, CacheDuration value, JsonSerializerOptions options)
public override void Write(Utf8JsonWriter writer, CacheDuration? value, JsonSerializerOptions options)
{
if (value is null)
{
return;
}

string str = value switch
{
CacheDuration.FiveMinutes => "5m",
Expand All @@ -33,4 +39,4 @@ public override void Write(Utf8JsonWriter writer, CacheDuration value, JsonSeria
};
writer.WriteStringValue(str);
}
}
}
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