72 lines
2.5 KiB
C#
72 lines
2.5 KiB
C#
using System.Text.Json;
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using NodaTime;
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using NodaTime.Serialization.SystemTextJson;
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public class WebSocketPacketType
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{
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public const string Error = "error";
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public const string MessageNew = "messages.new";
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public const string MessageUpdate = "messages.update";
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public const string MessageDelete = "messages.delete";
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public const string CallParticipantsUpdate = "call.participants.update";
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}
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public class WebSocketPacket
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{
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public string Type { get; set; } = null!;
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public object Data { get; set; } = null!;
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public string? ErrorMessage { get; set; }
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/// <summary>
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/// Creates a WebSocketPacket from raw WebSocket message bytes
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/// </summary>
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/// <param name="bytes">Raw WebSocket message bytes</param>
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/// <returns>Deserialized WebSocketPacket</returns>
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public static WebSocketPacket FromBytes(byte[] bytes)
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{
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var json = System.Text.Encoding.UTF8.GetString(bytes);
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var jsonOpts = new JsonSerializerOptions
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{
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PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower,
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DictionaryKeyPolicy = JsonNamingPolicy.SnakeCaseLower,
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};
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return JsonSerializer.Deserialize<WebSocketPacket>(json, jsonOpts) ??
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throw new JsonException("Failed to deserialize WebSocketPacket");
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}
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/// <summary>
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/// Deserializes the Data property to the specified type T
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/// </summary>
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/// <typeparam name="T">Target type to deserialize to</typeparam>
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/// <returns>Deserialized data of type T</returns>
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public T? GetData<T>()
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{
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if (Data is T typedData)
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return typedData;
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var jsonOpts = new JsonSerializerOptions
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{
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PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower,
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DictionaryKeyPolicy = JsonNamingPolicy.SnakeCaseLower,
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};
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return JsonSerializer.Deserialize<T>(
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JsonSerializer.Serialize(Data, jsonOpts),
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jsonOpts
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);
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}
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/// <summary>
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/// Serializes this WebSocketPacket to a byte array for sending over WebSocket
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/// </summary>
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/// <returns>Byte array representation of the packet</returns>
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public byte[] ToBytes()
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{
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var jsonOpts = new JsonSerializerOptions
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{
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PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower,
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DictionaryKeyPolicy = JsonNamingPolicy.SnakeCaseLower,
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}.ConfigureForNodaTime(DateTimeZoneProviders.Tzdb);
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var json = JsonSerializer.Serialize(this, jsonOpts);
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return System.Text.Encoding.UTF8.GetBytes(json);
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}
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} |