49 lines
1.7 KiB
C#
49 lines
1.7 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using Microsoft.AspNetCore.Mvc.ModelBinding.Validation;
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namespace Microsoft.AspNetCore.Mvc.DataAnnotations.Internal
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{
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/// <summary>
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/// An implementation of <see cref="IClientModelValidatorProvider"/> which provides client validators
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/// for specific numeric types.
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/// </summary>
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public class NumericClientModelValidatorProvider : IClientModelValidatorProvider
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{
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/// <inheritdoc />
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public void CreateValidators(ClientValidatorProviderContext context)
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{
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if (context == null)
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{
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throw new ArgumentNullException(nameof(context));
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}
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var typeToValidate = context.ModelMetadata.UnderlyingOrModelType;
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// Check only the numeric types for which we set type='text'.
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if (typeToValidate == typeof(float) ||
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typeToValidate == typeof(double) ||
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typeToValidate == typeof(decimal))
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{
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for (var i = 0; i < context.Results.Count; i++)
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{
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var validator = context.Results[i].Validator;
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if (validator != null && validator is NumericClientModelValidator)
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{
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// A validator is already present. No need to add one.
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return;
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}
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}
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context.Results.Add(new ClientValidatorItem
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{
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Validator = new NumericClientModelValidator(),
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IsReusable = true
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});
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}
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}
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}
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}
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