cleaner logging

README.md

@@ -1,3 +1,10 @@
 # horsebot
 
 Discord bot serving horse game data.
+
+Production instance is named Zenno Rob Roy, because she has read all about Umamusume and is always happy to share her knowledge and give recommendations.
+
+## Running
+
+The bot always uses the Gateway API.
+If the `-http` argument is provided, it will also use the HTTP API, and `-token` must also be provided.

log.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"log/slog"
+
+	"github.com/disgoorg/disgo/discord"
+	"github.com/disgoorg/disgo/handler"
+)
+
+func logMiddleware(next handler.Handler) handler.Handler {
+	return func(e *handler.InteractionEvent) error {
+		var msg string
+		attrs := make([]slog.Attr, 0, 8)
+		attrs = append(attrs,
+			slog.Uint64("interaction", uint64(e.Interaction.ID())),
+			slog.Uint64("user", uint64(e.Interaction.User().ID)),
+		)
+		if guild := e.Interaction.GuildID(); guild != nil {
+			attrs = append(attrs, slog.String("guild", guild.String()))
+		}
+		switch i := e.Interaction.(type) {
+		case discord.ApplicationCommandInteraction:
+			msg = "command"
+			attrs = append(attrs,
+				slog.String("name", i.Data.CommandName()),
+				slog.Int("type", int(i.Data.Type())),
+			)
+			switch data := i.Data.(type) {
+			case discord.SlashCommandInteractionData:
+				attrs = append(attrs, slog.String("path", data.CommandPath()))
+			}
+
+		case discord.AutocompleteInteraction:
+			msg = "autocomplete"
+			attrs = append(attrs,
+				slog.String("name", i.Data.CommandName),
+				slog.String("path", i.Data.CommandPath()),
+				slog.String("focus", i.Data.Focused().Name),
+			)
+
+		case discord.ComponentInteraction:
+			msg = "component"
+			attrs = append(attrs,
+				slog.Int("type", int(i.Data.Type())),
+				slog.String("custom", i.Data.CustomID()),
+			)
+
+		default:
+			slog.WarnContext(e.Ctx, "unknown interaction", slog.Any("event", e))
+			return nil
+		}
+		slog.LogAttrs(e.Ctx, slog.LevelInfo, msg, attrs...)
+		return next(e)
+	}
+}

main.go

@@ -66,7 +66,7 @@ func main() {
 	r := handler.New()
 	r.DefaultContext(func() context.Context { return ctx })
 	r.Use(middleware.Go)
-	r.Use(middleware.Logger)
+	r.Use(logMiddleware)
 	r.Route("/skill", func(r handler.Router) {
 		r.SlashCommand("/", skillHandler)
 		r.Autocomplete("/", skillAutocomplete)