hermes-client/Twitch/Socket/Handlers/NotificationHandler.cs

69 lines
2.8 KiB
C#

using System.Text.Json;
using Microsoft.Extensions.DependencyInjection;
using Serilog;
using TwitchChatTTS.Twitch.Socket.Messages;
namespace TwitchChatTTS.Twitch.Socket.Handlers
{
public sealed class NotificationHandler : ITwitchSocketHandler
{
public string Name => "notification";
private IDictionary<string, ITwitchSocketHandler> _handlers;
private readonly ILogger _logger;
private IDictionary<string, Type> _messageTypes;
private readonly JsonSerializerOptions _options;
public NotificationHandler(
[FromKeyedServices("twitch-notifications")] IEnumerable<ITwitchSocketHandler> handlers,
ILogger logger
)
{
_handlers = handlers.ToDictionary(h => h.Name, h => h);
_logger = logger;
_options = new JsonSerializerOptions() {
PropertyNameCaseInsensitive = false,
PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower
};
_messageTypes = new Dictionary<string, Type>();
_messageTypes.Add("channel.ban", typeof(ChannelBanMessage));
_messageTypes.Add("channel.chat.message", typeof(ChannelChatMessage));
_messageTypes.Add("channel.chat.clear_user_messages", typeof(ChannelChatClearUserMessage));
_messageTypes.Add("channel.chat.clear", typeof(ChannelChatClearMessage));
_messageTypes.Add("channel.chat.message_delete", typeof(ChannelChatDeleteMessage));
_messageTypes.Add("channel.channel_points_custom_reward_redemption.add", typeof(ChannelCustomRedemptionMessage));
_messageTypes.Add("channel.subscription.message", typeof(ChannelSubscriptionMessage));
}
public async Task Execute(TwitchWebsocketClient sender, object? data)
{
if (sender == null)
return;
if (data == null)
{
_logger.Warning("Twitch websocket message data is null.");
return;
}
if (data is not NotificationMessage message)
return;
if (!_messageTypes.TryGetValue(message.Subscription.Type, out var type) || type == null)
{
_logger.Warning($"Could not find Twitch notification type [message type: {message.Subscription.Type}]");
return;
}
if (!_handlers.TryGetValue(message.Subscription.Type, out ITwitchSocketHandler? handler) || handler == null)
{
_logger.Warning($"Could not find Twitch notification handler [message type: {message.Subscription.Type}]");
return;
}
var d = JsonSerializer.Deserialize(message.Event.ToString()!, type, _options);
await handler.Execute(sender, d);
}
}
}