| File: RangeAttributeAdapter.cs | Web Access |
| Project: src\aspnetcore\src\Mvc\Mvc.DataAnnotations\src\Microsoft.AspNetCore.Mvc.DataAnnotations.csproj (Microsoft.AspNetCore.Mvc.DataAnnotations) |
// Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. using System.ComponentModel.DataAnnotations; using System.Globalization; using Microsoft.AspNetCore.Mvc.ModelBinding.Validation; using Microsoft.Extensions.Localization; namespace Microsoft.AspNetCore.Mvc.DataAnnotations; internal sealed class RangeAttributeAdapter : AttributeAdapterBase<RangeAttribute> { private readonly string _max; private readonly string _min; public RangeAttributeAdapter(RangeAttribute attribute, IStringLocalizer? stringLocalizer) : base(attribute, stringLocalizer) { // This will trigger the conversion of Attribute.Minimum and Attribute.Maximum. // This is needed, because the attribute is stateful and will convert from a string like // "100m" to the decimal value 100. // // Validate a randomly selected number. attribute.IsValid(3); _max = Convert.ToString(Attribute.Maximum, CultureInfo.InvariantCulture)!; _min = Convert.ToString(Attribute.Minimum, CultureInfo.InvariantCulture)!; } public override void AddValidation(ClientModelValidationContext context) { ArgumentNullException.ThrowIfNull(context); MergeAttribute(context.Attributes, "data-val", "true"); MergeAttribute(context.Attributes, "data-val-range", GetErrorMessage(context)); MergeAttribute(context.Attributes, "data-val-range-max", _max); MergeAttribute(context.Attributes, "data-val-range-min", _min); } /// <inheritdoc /> public override string GetErrorMessage(ModelValidationContextBase validationContext) { ArgumentNullException.ThrowIfNull(validationContext); return GetErrorMessage( validationContext.ModelMetadata, validationContext.ModelMetadata.GetDisplayName(), Attribute.Minimum, Attribute.Maximum); } }