blob: 79a3e135a1d2fecd0d47d0995cb71f5c5cd84c83 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
using System;
using System.ComponentModel;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.Extensions.Logging;
namespace Jellyfin.Api.ModelBinders;
/// <summary>
/// Nullable enum model binder.
/// </summary>
public class NullableEnumModelBinder : IModelBinder
{
private readonly ILogger<NullableEnumModelBinder> _logger;
/// <summary>
/// Initializes a new instance of the <see cref="NullableEnumModelBinder"/> class.
/// </summary>
/// <param name="logger">Instance of the <see cref="ILogger{NullableEnumModelBinder}"/> interface.</param>
public NullableEnumModelBinder(ILogger<NullableEnumModelBinder> logger)
{
_logger = logger;
}
/// <inheritdoc />
public Task BindModelAsync(ModelBindingContext bindingContext)
{
var valueProviderResult = bindingContext.ValueProvider.GetValue(bindingContext.ModelName);
var elementType = bindingContext.ModelType.GetElementType() ?? bindingContext.ModelType.GenericTypeArguments[0];
var converter = TypeDescriptor.GetConverter(elementType);
if (valueProviderResult.Length != 0)
{
try
{
// REVIEW: This shouldn't be null here
var convertedValue = converter.ConvertFromString(valueProviderResult.FirstValue!);
bindingContext.Result = ModelBindingResult.Success(convertedValue);
}
catch (FormatException e)
{
_logger.LogDebug(e, "Error converting value.");
}
}
return Task.CompletedTask;
}
}
|
