#2

internal/handlers/loginHandler.go

@@ -0,0 +1,22 @@
+package handlers
+
+import (
+	"errors"
+	"fmt"
+	"github.com/rdarius/boot-dev-blog-aggregator/internal/config"
+)
+
+func HandlerLogin(s *config.State, cmd config.Command) error {
+	if len(cmd.Args) < 1 {
+		return errors.New("missing required argument USERNAME")
+	}
+
+	err := s.Config.SetUser(cmd.Args[0])
+	if err != nil {
+		return fmt.Errorf("failed to set current user: %w", err)
+	}
+
+	fmt.Printf("User set to %s\n", s.Config.CurrentUserName)
+
+	return nil
+}