Add DiscordShardedClient sample project & Client FAQ entry. #1177
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>netcoreapp2.1</TargetFramework> | ||
| <RootNamespace>_03_sharded_client</RootNamespace> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\Discord.Net.Commands\Discord.Net.Commands.csproj" /> | ||
| <ProjectReference Include="..\..\src\Discord.Net.WebSocket\Discord.Net.WebSocket.csproj" /> | ||
| </ItemGroup> | ||
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| </Project> |
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| using System.Threading.Tasks; | ||
| using Discord.Commands; | ||
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| namespace _03_sharded_client.Modules | ||
| { | ||
| // Remember to make your module reference the ShardedCommandContext | ||
| public class PublicModule : ModuleBase<ShardedCommandContext> | ||
| { | ||
| [Command("info")] | ||
| public async Task InfoAsync() | ||
| { | ||
| var msg = $@"Hi {Context.User}! There are currently {Context.Client.Shards} shards! | ||
| This guild is being served by shard number {Context.Client.GetShardFor(Context.Guild).ShardId}"; | ||
| await ReplyAsync(msg); | ||
| } | ||
| } | ||
| } |
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| using System; | ||
| using System.Threading.Tasks; | ||
| using _03_sharded_client.Services; | ||
| using Discord; | ||
| using Discord.Commands; | ||
| using Discord.WebSocket; | ||
| using Microsoft.Extensions.DependencyInjection; | ||
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| namespace _03_sharded_client | ||
| { | ||
| // This is a minimal example of using Discord.Net's Sharded Client | ||
| // The provided DiscordShardedClient class simplifies having multiple | ||
| // DiscordSocketClient instances (or shards) to serve a large number of guilds. | ||
| class Program | ||
| { | ||
| private DiscordShardedClient _client; | ||
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| static void Main(string[] args) | ||
| => new Program().MainAsync().GetAwaiter().GetResult(); | ||
| public async Task MainAsync() | ||
| { | ||
| // You specify the amount of shards you'd like to have with the | ||
| // DiscordSocketConfig. Generally, it's recommended to | ||
| // have 1 shard per 1500-2000 guilds your bot is in. | ||
| var config = new DiscordSocketConfig | ||
| { | ||
| TotalShards = 2 | ||
| }; | ||
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| var services = ConfigureServices(); | ||
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| _client = new DiscordShardedClient(config); | ||
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| // The Sharded Client does not have a Ready event. | ||
| // The ShardReady event is used instead, allowing for individual | ||
| // control per shard. | ||
| _client.ShardReady += ReadyAsync; | ||
| _client.Log += LogAsync; | ||
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| await _client.LoginAsync(TokenType.Bot, Environment.GetEnvironmentVariable("token")); | ||
| await _client.StartAsync(); | ||
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| await Task.Delay(-1); | ||
| } | ||
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| private IServiceProvider ConfigureServices() | ||
| { | ||
| return new ServiceCollection() | ||
| .AddSingleton(_client) | ||
| .AddSingleton<CommandService>() | ||
| .AddSingleton<CommandHandlingService>() | ||
| .BuildServiceProvider(); | ||
| } | ||
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| private Task ReadyAsync(DiscordSocketClient shard) | ||
| { | ||
| Console.WriteLine($"Shard Number {shard.ShardId} is connected and ready!"); | ||
| return Task.CompletedTask; | ||
| } | ||
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| private Task LogAsync(LogMessage log) | ||
| { | ||
| Console.WriteLine(log.ToString()); | ||
| return Task.CompletedTask; | ||
| } | ||
| } | ||
| } | ||
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| using System; | ||
| using System.Reflection; | ||
| using System.Threading.Tasks; | ||
| using Microsoft.Extensions.DependencyInjection; | ||
| using Discord; | ||
| using Discord.Commands; | ||
| using Discord.WebSocket; | ||
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| namespace _03_sharded_client.Services | ||
| { | ||
| public class CommandHandlingService | ||
| { | ||
| private readonly CommandService _commands; | ||
| private readonly DiscordShardedClient _discord; | ||
| private readonly IServiceProvider _services; | ||
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| public CommandHandlingService(IServiceProvider services) | ||
| { | ||
| _commands = services.GetRequiredService<CommandService>(); | ||
| _discord = services.GetRequiredService<DiscordShardedClient>(); | ||
| _services = services; | ||
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| _discord.MessageReceived += MessageReceivedAsync; | ||
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There was a problem hiding this comment. I'd probably move it under There was a problem hiding this comment.
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| } | ||
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| public async Task InitializeAsync() | ||
| { | ||
| await _commands.AddModulesAsync(Assembly.GetEntryAssembly(), _services); | ||
| } | ||
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| public async Task MessageReceivedAsync(SocketMessage rawMessage) | ||
| { | ||
| // Ignore system messages, or messages from other bots | ||
| if (!(rawMessage is SocketUserMessage message)) | ||
| return; | ||
| if (message.Source != MessageSource.User) | ||
| return; | ||
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| // This value holds the offset where the prefix ends | ||
| var argPos = 0; | ||
| if (!message.HasMentionPrefix(_discord.CurrentUser, ref argPos)) | ||
| return; | ||
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| // A new kind of command context, ShardedCommandContext can be utilized with the commands framework | ||
| var context = new ShardedCommandContext(_discord, message); | ||
| var result = await _commands.ExecuteAsync(context, argPos, _services); | ||
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| if (result.Error.HasValue && | ||
| result.Error.Value != CommandError.UnknownCommand) // it's bad practice to send 'unknown command' errors | ||
| await context.Channel.SendMessageAsync(result.ToString()); | ||
| } | ||
| } | ||
| } | ||
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Run-on sentence; revision is recommended.