aspnetcore/src/Microsoft.AspNetCore.Mvc.Core/SerializableError.cs

61 lines
2.0 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.AspNetCore.Mvc.Core;
using Microsoft.AspNetCore.Mvc.ModelBinding;
namespace Microsoft.AspNetCore.Mvc
{
/// <summary>
/// Defines a serializable container for storing ModelState information.
/// This information is stored as key/value pairs.
/// </summary>
public sealed class SerializableError : Dictionary<string, object>
{
/// <summary>
/// Initializes a new instance of the <see cref="SerializableError"/> class.
/// </summary>
public SerializableError()
: base(StringComparer.OrdinalIgnoreCase)
{
}
/// <summary>
/// Creates a new instance of <see cref="SerializableError"/>.
/// </summary>
/// <param name="modelState"><see cref="ModelStateDictionary"/> containing the validation errors.</param>
public SerializableError(ModelStateDictionary modelState)
: this()
{
if (modelState == null)
{
throw new ArgumentNullException(nameof(modelState));
}
if (modelState.IsValid)
{
return;
}
foreach (var keyModelStatePair in modelState)
{
var key = keyModelStatePair.Key;
var errors = keyModelStatePair.Value.Errors;
if (errors != null && errors.Count > 0)
{
var errorMessages = errors.Select(error =>
{
return string.IsNullOrEmpty(error.ErrorMessage) ?
Resources.SerializableError_DefaultError : error.ErrorMessage;
}).ToArray();
Add(key, errorMessages);
}
}
}
}
}