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Improve error handling and reporting after command rewrite

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This commit is contained in:
Ske
2019-10-22 19:31:40 +02:00
parent 284e8eb95a
commit 53ae0e3d70
3 changed files with 57 additions and 4 deletions
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36
PluralKit.Bot/Bot.cs
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@@ -85,7 +85,8 @@ namespace PluralKit.Bot
.AddSingleton<IDiscordClient, DiscordShardedClient>(_ => new DiscordShardedClient(new DiscordSocketConfig
{
MessageCacheSize = 5,
ExclusiveBulkDelete = true
ExclusiveBulkDelete = true,
DefaultRetryMode = RetryMode.AlwaysRetry
}))
.AddSingleton<Bot>()
.AddTransient<CommandTree>()
@@ -296,9 +297,10 @@ namespace PluralKit.Bot
logger.Error(e, "Exception in bot event handler");
var evt = new SentryEvent(e);
SentrySdk.CaptureEvent(evt, scope);
Console.Error.WriteLine(e);
// Don't blow out our Sentry budget on sporadic not-our-problem erorrs
if (e.IsOurProblem())
SentrySdk.CaptureEvent(evt, scope);
}
}
@@ -359,7 +361,17 @@ namespace PluralKit.Bot
"select systems.* from systems, accounts where accounts.uid = @Id and systems.id = accounts.system",
new {Id = msg.Author.Id});
await _tree.ExecuteCommand(new Context(_services, msg, argPos, system));
try
{
await _tree.ExecuteCommand(new Context(_services, msg, argPos, system));
}
catch (Exception e)
{
await HandleCommandError(msg, e);
// HandleCommandError only *reports* the error, we gotta pass it through to the parent
// error handler by rethrowing:
throw;
}
}
else
{
@@ -375,6 +387,22 @@ namespace PluralKit.Bot
}
}
private async Task HandleCommandError(SocketUserMessage msg, Exception exception)
{
// This function *specifically* handles reporting a command execution error to the user.
// We'll fetch the event ID and send a user-facing error message.
// ONLY IF this error's actually our problem. As for what defines an error as "our problem",
// check the extension method :)
if (exception.IsOurProblem())
{
var eid = _services.GetService<EventIdProvider>().EventId;
await msg.Channel.SendMessageAsync(
$"{Emojis.Error} Internal error occurred. Please join the support server (https://discord.gg/PczBt78), and send the developer this ID: `{eid}`");
}
// If not, don't care. lol.
}
private void RegisterMessageMetrics(SocketMessage msg)
{
_metrics.Measure.Meter.Mark(BotMetrics.MessagesReceived);