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