ede4efa4e3
Added router class using attributes Added success parameter to mc computer response Added generic answer type class (for future choice results) Changelog: added
31 lines
1.6 KiB
C#
31 lines
1.6 KiB
C#
using Discord;
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using Discord.WebSocket;
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using System.Reflection;
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namespace MinecraftDiscordBot;
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public abstract class CommandRouter<T> : ICommandHandler<T> {
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private readonly Dictionary<string, HandleCommandDelegate<T>> _handlers = new();
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public CommandRouter() {
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foreach (var method in GetType().GetMethods())
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if (GetHandlerAttribute(method) is CommandHandlerAttribute handler)
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try {
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_handlers.Add(handler.CommandName, method.CreateDelegate<HandleCommandDelegate<T>>(this));
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} catch (Exception) {
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Program.LogWarning("CommandRouter", $"Could not add delegate for method {handler.CommandName} in function {method.ReturnType} {method.Name}(...)!");
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throw;
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}
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}
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private static CommandHandlerAttribute? GetHandlerAttribute(MethodInfo method)
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=> method.GetCustomAttributes(typeof(CommandHandlerAttribute), true).OfType<CommandHandlerAttribute>().FirstOrDefault();
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public abstract Task<T> RootAnswer(SocketUserMessage message, CancellationToken ct);
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public abstract Task<T> FallbackHandler(SocketUserMessage message, string method, string[] parameters, CancellationToken ct);
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public Task<T> HandleCommand(SocketUserMessage message, string[] parameters, CancellationToken ct)
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=> parameters is { Length: 0 }
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? RootAnswer(message, ct)
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: _handlers.TryGetValue(parameters[0], out var handler)
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? handler(message, parameters[1..], ct)
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: FallbackHandler(message, parameters[0], parameters[1..], ct);
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}
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