37 lines
1.7 KiB
C#
37 lines
1.7 KiB
C#
using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace YandexMusic.API.Models.Landing.Entity.Entities.Context;
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/// <summary>Конвертер для контекста воспроизведения (альбом, исполнитель, плейлист).</summary>
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public class YPlayContextConverter : JsonConverter<YPlayContext>
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{
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public override YPlayContext? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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if (reader.TokenType != JsonTokenType.StartObject)
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throw new JsonException("Ожидается объект контекста");
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using var doc = JsonDocument.ParseValue(ref reader);
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var root = doc.RootElement;
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var contextProp = root.GetProperty("context");
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var contextStr = contextProp.GetString();
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if (!Enum.TryParse<YPlayContextType>(contextStr, true, out var contextType))
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throw new JsonException($"Неизвестный тип контекста: {contextStr}");
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var rawText = root.GetRawText();
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return contextType switch
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{
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YPlayContextType.Album => JsonSerializer.Deserialize<YPlayContextAlbum>(rawText, options),
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YPlayContextType.Artist => JsonSerializer.Deserialize<YPlayContextArtist>(rawText, options),
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YPlayContextType.Playlist => JsonSerializer.Deserialize<YPlayContextPlaylist>(rawText, options),
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_ => JsonSerializer.Deserialize<YPlayContext>(rawText, options)
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};
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}
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public override void Write(Utf8JsonWriter writer, YPlayContext value, JsonSerializerOptions options)
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{
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JsonSerializer.Serialize(writer, value, options);
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}
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} |