refactor to context, remove sentry spans

bot/context.go

@@ -0,0 +1,51 @@
+package bot
+
+import (
+	"context"
+
+	"github.com/getsentry/sentry-go"
+	"maunium.net/go/mautrix/event"
+)
+
+type ctxkey int
+
+const (
+	ctxEvent ctxkey = iota
+)
+
+func newContext(evt *event.Event) context.Context {
+	ctx := context.Background()
+	hub := sentry.CurrentHub().Clone()
+	ctx = sentry.SetHubOnContext(ctx, hub)
+	ctx = eventToContext(ctx, evt)
+
+	return ctx
+}
+
+func eventFromContext(ctx context.Context) *event.Event {
+	v := ctx.Value(ctxEvent)
+	if v == nil {
+		return nil
+	}
+
+	evt, ok := v.(*event.Event)
+	if !ok {
+		return nil
+	}
+
+	return evt
+}
+
+func eventToContext(ctx context.Context, evt *event.Event) context.Context {
+	ctx = context.WithValue(ctx, ctxEvent, evt)
+	sentry.GetHubFromContext(ctx).ConfigureScope(func(scope *sentry.Scope) {
+		scope.SetUser(sentry.User{ID: evt.Sender.String()})
+		scope.SetContext("event", map[string]string{
+			"id":     evt.ID.String(),
+			"room":   evt.RoomID.String(),
+			"sender": evt.Sender.String(),
+		})
+	})
+
+	return ctx
+}