make application with base logic

internal/common/decorator/query.go

@@ -0,0 +1,17 @@
+package decorator
+
+import (
+	"context"
+	"log/slog"
+)
+
+type QueryHandler[Q, U any] interface {
+	Handle(ctx context.Context, query Q) (entity U, err error)
+}
+
+func AddQueryDecorators[Q, U any](base QueryHandler[Q, U], log *slog.Logger) QueryHandler[Q, U] {
+	return queryLoggingDecorator[Q, U]{
+		base: base,
+		log:  log,
+	}
+}