Refactoring: implement proper JSON logging, better structure for app layers

pkg/infrastructure/telegram/middleware/loggingmiddleware.go

@@ -0,0 +1,26 @@
+package middleware
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/nightnoryu/anon3anon/pkg/infrastructure/jsonlog"
+
+	"github.com/go-telegram/bot"
+	"github.com/go-telegram/bot/models"
+)
+
+func NewLoggingMiddleware(logger jsonlog.Logger) bot.Middleware {
+	return func(next bot.HandlerFunc) bot.HandlerFunc {
+		return func(ctx context.Context, bot *bot.Bot, update *models.Update) {
+			if update.Message != nil {
+				text := update.Message.Text
+				if len(update.Message.Caption) > 0 {
+					text = update.Message.Caption
+				}
+				logger.Info(fmt.Sprintf("message from %s: %s", update.Message.From.Username, text))
+			}
+			next(ctx, bot, update)
+		}
+	}
+}