| | | 1 | | using MRA.Infrastructure.Enums; |
| | | 2 | | using System.ComponentModel; |
| | | 3 | | using System.Reflection; |
| | | 4 | | using System.Text.Json; |
| | | 5 | | using System.Text.Json.Serialization; |
| | | 6 | | |
| | | 7 | | namespace MRA.DTO.Enums; |
| | | 8 | | |
| | | 9 | | public class EnumStringJsonConverter<TEnum> : JsonConverter<TEnum> where TEnum : struct, Enum |
| | | 10 | | { |
| | | 11 | | public override TEnum Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) |
| | | 12 | | { |
| | 0 | 13 | | if (reader.TokenType == JsonTokenType.String) |
| | | 14 | | { |
| | 0 | 15 | | var stringValue = reader.GetString(); |
| | | 16 | | |
| | 0 | 17 | | foreach (var field in typeof(TEnum).GetFields()) |
| | | 18 | | { |
| | 0 | 19 | | var descriptionAttribute = field.GetCustomAttribute<DescriptionAttribute>(); |
| | 0 | 20 | | if (descriptionAttribute != null && descriptionAttribute.Description == stringValue) |
| | | 21 | | { |
| | 0 | 22 | | return (TEnum)field.GetValue(null); |
| | | 23 | | } |
| | | 24 | | } |
| | | 25 | | |
| | 0 | 26 | | if (Enum.TryParse(stringValue, true, out TEnum result)) |
| | | 27 | | { |
| | 0 | 28 | | return result; |
| | | 29 | | } |
| | | 30 | | } |
| | | 31 | | |
| | 0 | 32 | | if (reader.TokenType == JsonTokenType.Number) |
| | | 33 | | { |
| | 0 | 34 | | var intValue = reader.GetInt32(); |
| | 0 | 35 | | if (Enum.IsDefined(typeof(TEnum), intValue)) |
| | | 36 | | { |
| | 0 | 37 | | return (TEnum)Enum.ToObject(typeof(TEnum), intValue); |
| | | 38 | | } |
| | | 39 | | } |
| | | 40 | | |
| | 0 | 41 | | return EnumExtensions.GetDefaultValue<TEnum>(); |
| | | 42 | | } |
| | | 43 | | |
| | | 44 | | public override void Write(Utf8JsonWriter writer, TEnum value, JsonSerializerOptions options) |
| | | 45 | | { |
| | 0 | 46 | | writer.WriteStringValue(value.ToString()); |
| | 0 | 47 | | } |
| | | 48 | | } |