AppTests

Govor.ConsoleClient/Services/Implementations/CommandDispatcher.cs

@@ -0,0 +1,44 @@
+using System.Reflection;
+using Govor.ConsoleClient.Commands;
+using Govor.ConsoleClient.Services.Interfaces;
+
+namespace Govor.ConsoleClient.Services.Implementations;
+
+public class CommandDispatcher : ICommandDispatcher
+{
+    private readonly Dictionary<string, ICommand> _commands = new();
+    private readonly ILogger _logger;
+    private readonly IMiddlewarePipeline _pipeline;
+
+    public CommandDispatcher(IEnumerable<ICommand> commands, ILogger logger, IMiddlewarePipeline pipeline)
+    {
+        _logger = logger;
+        _pipeline = pipeline;
+
+        foreach (var command in commands)
+        {
+            var route = command.GetType().GetCustomAttribute<CommandRouteAttribute>()?.Path.Replace("/","")
+                        ?? command.GetType().Name.Replace("Command", "").ToLower();
+            _commands[route.ToLower()] = command;
+        }
+    }
+    
+    public async Task<ICommand?> DispatchAsync(string input)
+    {
+        var args = input.Split(' ', 2);
+        var cmd = args[0].ToLower();
+        if (_commands.TryGetValue(cmd, out var command))
+        {
+            var context = new CommandContext(cmd, args.Length > 1 ? args[1] : null, command);
+            await _pipeline.ExecuteAsync(context);
+            return command;
+        }
+        else
+        {
+            _logger.Warn("Неизвестная команда. Введите '/help'.");
+            return null;
+        }
+    }
+    
+    public IEnumerable<ICommand> GetAllCommands() => _commands.Values;
+}