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Fix culture-insensitive handling of numbers in RangeAttribute #3426

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merged 1 commit into from
Jun 1, 2025
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Fix culture-insensitive handling of numbers in RangeAttribute #3426

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8 changes: 5 additions & 3 deletions src/Swashbuckle.AspNetCore.SwaggerGen/SchemaGenerator/OpenApiSchemaExtensions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -252,12 +252,14 @@ private static void ApplyBase64Attribute(OpenApiSchema schema)

private static void ApplyRangeAttribute(OpenApiSchema schema, RangeAttribute rangeAttribute)
{
schema.Maximum = decimal.TryParse(rangeAttribute.Maximum.ToString(), out decimal maximum)
const NumberStyles numberStyles = NumberStyles.Number | NumberStyles.Float;

schema.Maximum = decimal.TryParse(rangeAttribute.Maximum.ToString(), numberStyles, CultureInfo.InvariantCulture, out decimal maximum)
? maximum.ToString(CultureInfo.InvariantCulture)
: schema.Maximum;

schema.Minimum = decimal.TryParse(rangeAttribute.Minimum.ToString(), out decimal minimum)
? minimum.ToString()
schema.Minimum = decimal.TryParse(rangeAttribute.Minimum.ToString(), numberStyles, CultureInfo.InvariantCulture, out decimal minimum)
? minimum.ToString(CultureInfo.InvariantCulture)
: schema.Minimum;

#if NET
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