89 lines
3.1 KiB
C#
89 lines
3.1 KiB
C#
using System;
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using System.Reflection;
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using System.Threading.Tasks;
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using Microsoft.Extensions.DependencyInjection;
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using Discord.Commands;
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using Discord.WebSocket;
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using Newtonsoft.Json.Linq;
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using Discord;
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using System.Linq;
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using Newtonsoft.Json;
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namespace Discord_Bot
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{
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public class CommandHandlingService
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{
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private readonly CommandService _commands;
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private readonly DiscordSocketClient _client;
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private readonly IServiceProvider _services;
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public CommandHandlingService(IServiceProvider services)
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{
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_commands = services.GetRequiredService<CommandService>();
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_client = services.GetRequiredService<DiscordSocketClient>();
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_services = services;
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// Event handlers
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_client.Ready += ClientReadyAsync;
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_client.MessageReceived += HandleCommandAsync;
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_client.JoinedGuild += SendJoinMessageAsync;
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}
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private async Task HandleCommandAsync(SocketMessage rawMessage)
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{
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if (rawMessage.Author.IsBot || !(rawMessage is SocketUserMessage message) || message.Channel is IDMChannel)
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return;
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var context = new SocketCommandContext(_client, message);
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int argPos = 0;
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JObject config = Functions.GetConfig();
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string[] prefixes = JsonConvert.DeserializeObject<string[]>(config["prefixes"].ToString());
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// Check if message has any of the prefixes or mentiones the bot.
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if (prefixes.Any(x => message.HasStringPrefix(x, ref argPos)) || message.HasMentionPrefix(_client.CurrentUser, ref argPos))
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{
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// Execute the command.
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var result = await _commands.ExecuteAsync(context, argPos, _services);
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if (!result.IsSuccess && result.Error.HasValue)
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await context.Channel.SendMessageAsync($":x: {result.ErrorReason}");
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}
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}
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private async Task SendJoinMessageAsync(SocketGuild guild)
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{
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JObject config = Functions.GetConfig();
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string joinMessage = config["join_message"]?.Value<string>();
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if (string.IsNullOrEmpty(joinMessage))
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return;
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// Send the join message in the first channel where the bot can send messsages.
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foreach (var channel in guild.TextChannels.OrderBy(x => x.Position))
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{
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var botPerms = channel.GetPermissionOverwrite(_client.CurrentUser).GetValueOrDefault();
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if (botPerms.SendMessages == PermValue.Deny)
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continue;
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try
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{
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await channel.SendMessageAsync(joinMessage);
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return;
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}
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catch
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{
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continue;
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}
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}
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}
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private async Task ClientReadyAsync()
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=> await Functions.SetBotStatusAsync(_client);
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public async Task InitializeAsync()
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=> await _commands.AddModulesAsync(Assembly.GetEntryAssembly(), _services);
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}
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} |