Update cmd docs to use IServiceProvider

docs/guides/commands/samples/command_handler.cs

@@ -1,14 +1,16 @@
+using System;
 using System.Threading.Tasks;
 using System.Reflection;
 using Discord;
 using Discord.WebSocket;
 using Discord.Commands;
+using Microsoft.Extensions.DependencyInjection;
 
 public class Program
 {
     private CommandService commands;
     private DiscordSocketClient client;
-    private DependencyMap map;
+    private IServiceProvider services;
 
     static void Main(string[] args) => new Program().Start().GetAwaiter().GetResult();
 
@@ -19,38 +21,40 @@ public class Program
 
         string token = "bot token here";
 
-        map = new DependencyMap();
+        services = new ServiceCollection()
+                .BuildServiceProvider();
 
         await InstallCommands();
 
         await client.LoginAsync(TokenType.Bot, token);
-        await client.ConnectAsync();
+        await client.StartAsync();
 
         await Task.Delay(-1);
     }
+
     public async Task InstallCommands()
     {
         // Hook the MessageReceived Event into our Command Handler
         client.MessageReceived += HandleCommand;
-		// Discover all of the commands in this assembly and load them.
+        // Discover all of the commands in this assembly and load them.
         await commands.AddModulesAsync(Assembly.GetEntryAssembly());
     }
+
     public async Task HandleCommand(SocketMessage messageParam)
-	{
+    {
         // Don't process the command if it was a System Message
         var message = messageParam as SocketUserMessage;
         if (message == null) return;
-		// Create a number to track where the prefix ends and the command begins
-		int argPos = 0;
-		// Determine if the message is a command, based on if it starts with '!' or a mention prefix
-		if (!(message.HasCharPrefix('!', ref argPos) || message.HasMentionPrefix(client.CurrentUser, ref argPos))) return;
+        // Create a number to track where the prefix ends and the command begins
+        int argPos = 0;
+        // Determine if the message is a command, based on if it starts with '!' or a mention prefix
+        if (!(message.HasCharPrefix('!', ref argPos) || message.HasMentionPrefix(client.CurrentUser, ref argPos))) return;
         // Create a Command Context
         var context = new CommandContext(client, message);
         // Execute the command. (result does not indicate a return value, 
-        // rather an object stating if the command executed succesfully)
-        var result = await commands.ExecuteAsync(context, argPos, map);
+        // rather an object stating if the command executed successfully)
+        var result = await commands.ExecuteAsync(context, argPos, service);
         if (!result.IsSuccess)
             await context.Channel.SendMessageAsync(result.ErrorReason);
-	}
-
+    }
 }

docs/guides/commands/samples/dependency_map_setup.cs

@@ -7,12 +7,11 @@ public class Commands
 {
     public async Task Install(DiscordSocketClient client)
     {
-        // Here, we will inject the Dependency Map with 
+        // Here, we will inject the ServiceProvider with 
         // all of the services our client will use.
-        _map.Add(client);
-        _map.Add(commands);
-        _map.Add(new NotificationService(_map));
-        _map.Add(new DatabaseService(_map));
+        _serviceCollection.AddSingleton(client)
+        _serviceCollection.AddSingleton(new NotificationService())
+        _serviceCollection.AddSingleton(new DatabaseService())
         // ...
         await _commands.AddModulesAsync(Assembly.GetEntryAssembly());
     }