private async Task Commands_CommandErrored(CommandErrorEventArgs e)
{
e.Context.Client.DebugLogger.LogMessage(LogLevel.Error, this.Bot.LogName, $"{e.Context.User.Username} tried executing '{e.Command?.QualifiedName ?? "<unknown command>"}' but it errored: {e.Exception.GetType()}: {e.Exception.Message ?? "<no message>"}", DateTime.Now);
var ex = e.Exception;
while (ex is AggregateException || ex.InnerException != null)
{
ex = ex.InnerException;
}
// Check if exception is result of command prechecks.
switch (ex)
{
case ChecksFailedException exep:
{
var failedchecks = exep.FailedChecks.First();
switch (failedchecks)
{
// Bot is lacking permissions.
case RequireBotPermissionsAttribute reqbotperm:
{
string permissionsLacking = reqbotperm.Permissions.ToPermissionString();
var emoji = DiscordEmoji.FromName(e.Context.Client, ":no_entry:");
await e.Context.RespondAsync(embed : EmbedTemplates.CommandErrorEmbed(e.Context.Member, e.Command)
.WithTitle($"{emoji} Боту не хватает прав")
.WithDescription(permissionsLacking)).ConfigureAwait(false);
break;
}
// User is lacking permissions.
case RequireUserPermissionsAttribute requserperm:
{
string permissionsLacking = requserperm.Permissions.ToPermissionString();
var emoji = DiscordEmoji.FromName(e.Context.Client, ":no_entry:");
await e.Context.RespondAsync(embed : EmbedTemplates.CommandErrorEmbed(e.Context.Member, e.Command)
.WithTitle($"{emoji} Вам не хватает прав")
.WithDescription(permissionsLacking)).ConfigureAwait(false);
break;
}
// User is not owner of the bot.
case RequireOwnerAttribute reqowner:
{
var emoji = DiscordEmoji.FromName(e.Context.Client, ":no_entry:");
await e.Context.RespondAsync(embed : EmbedTemplates.CommandErrorEmbed(e.Context.Member, e.Command)
.WithTitle($"{emoji} Команда доступна только владельцу")).ConfigureAwait(false);
break;
}
// User is not owner or don't have permissions.
case OwnerOrPermissionAttribute ownerOrPermission:
{
string permissionsLacking = ownerOrPermission.Permissions.ToPermissionString();
var emoji = DiscordEmoji.FromName(e.Context.Client, ":no_entry:");
await e.Context.RespondAsync(embed : EmbedTemplates.CommandErrorEmbed(e.Context.Member, e.Command)
.WithTitle($"{emoji} Вы не являетесь владельцем или вам не хватает прав")
.WithDescription(permissionsLacking)).ConfigureAwait(false);
break;
}
// Command shouldn't be executed so fast.
case CooldownAttribute cooldown:
{
await e.Context.RespondAsync(embed : EmbedTemplates.CommandErrorEmbed(e.Context.Member, e.Command)
.WithDescription("Вы пытаетесь использовать команду слишком часто, таймер - " +
$"не больше {cooldown.MaxUses} раз в {cooldown.Reset.TotalMinutes} минут")).ConfigureAwait(false);
break;
}
// User wasn't connected to voice channel. Optionally to the same voice channel as bot
case RequireVoiceConnectionAttribute requireVoice:
{
await e.Context.RespondAsync(embed : EmbedTemplates.CommandErrorEmbed(e.Context.Member, e.Command)
.WithDescription($"Вы должны быть подключены к {(requireVoice.SameVoiceChannelAsBot ? "тому же голосовому каналу что и бот" : "голосовому каналу")}")).ConfigureAwait(false);
break;
}
default:
{
await e.Context.RespondAsync(embed : EmbedTemplates.CommandErrorEmbed(e.Context.Member, e.Command)
.WithDescription($"Вам не хватает прав, чтобы узнать каких используйте {Formatter.InlineCode($"{this.Bot.Config.Discord.Prefixes.RandomElement()}help {e.Command.QualifiedName}")}"));
break;
}
}
break;
}
case DatabaseException dbEx:
{
var description = new StringBuilder("Произошла ошибка в работе БД, возможно стоит попробовать чуть позже.");
description.AppendLine(string.IsNullOrWhiteSpace(dbEx.Message)
? $"Тип действия: {dbEx.ActionType.ToString()}"
: $"Сообщение - {Formatter.InlineCode(dbEx.Message)}. Тип действия: {dbEx.ActionType.ToString()}");
await e.Context.RespondAsync(embed : EmbedTemplates.CommandErrorEmbed(e.Context.Member, e.Command)
.WithDescription(description.ToString())).ConfigureAwait(false);
break;
}
case DiscordUserInputException inputEx:
{
await e.Context.RespondAsync($"{inputEx.Message}. Название параметра {inputEx.ArgumentName}").ConfigureAwait(false);
break;
}
case CommandNotFoundException commandNotFoundException:
{
var cmdName = commandNotFoundException.CommandName;
var suggestedCommands = new List <Command>();
var nL = new NormalizedLevenshtein();
// Let's assumme that 0.33 is good Levenshtein distance
foreach (var cmd in this.Commands.RegisteredCommands.Values.Distinct())
{
if (cmd is CommandGroup cmdGroup)
{
foreach (var children in cmdGroup.Children)
{
if (Helpers.IsCommandSimilar(children, cmdName, nL))
{
suggestedCommands.Add(children);
}
}
if (cmdGroup.IsExecutableWithoutSubcommands && Helpers.IsCommandSimilar(cmdGroup, cmdName, nL))
{
suggestedCommands.Add(cmdGroup);
}
}
else
{
if (Helpers.IsCommandSimilar(cmd, cmdName, nL))
{
suggestedCommands.Add(cmd);
}
}
}
if (suggestedCommands.Any())
{
suggestedCommands.OrderBy(x => x.QualifiedName);
var description = new StringBuilder();
description.AppendLine($"Команды с названием {Formatter.InlineCode(cmdName)} не найдено. Вот возможные варианты того, что вы имели в виду:");
foreach (var cmd in suggestedCommands)
{
description.AppendLine(Formatter.InlineCode(cmd.QualifiedName));
}
await e.Context.RespondAsync(embed : EmbedTemplates.ErrorEmbed()
.WithDescription(description.ToString())).ConfigureAwait(false);
}
break;
}
case InvalidOperationException invOpEx when invOpEx.Message == "No matching subcommands were found, and this group is not executable.":
{
//Ignore.
break;
}
default:
{
var embed = EmbedTemplates.CommandErrorEmbed(e.Context.Member, e.Command)
.WithTitle("Произошла непредвиденная ошибка в работе команды")
.WithDescription($"Message: \n{Formatter.InlineCode(ex.Message)}\n в \n{Formatter.InlineCode(ex.Source)}");
await e.Context.RespondAsync(embed : embed).ConfigureAwait(false);
await this.Bot.ErrorChannel.SendMessageAsync(embed : embed).ConfigureAwait(false);
break;
}
}
}
