From 2fb6176b5013471d6dfabb205ede1e7b292fc30b Mon Sep 17 00:00:00 2001
From: "Alexander \"Arav\" Andreev" <me@arav.su>
Date: Tue, 23 May 2023 02:44:54 +0400
Subject: [PATCH] Added NewCategory() func. And now NewCategory() method needs
 a Category as an arg.

---
 pkg/mindflow/mindflow.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkg/mindflow/mindflow.go b/pkg/mindflow/mindflow.go
index 0664444..14bef3e 100644
--- a/pkg/mindflow/mindflow.go
+++ b/pkg/mindflow/mindflow.go
@@ -12,6 +12,13 @@ type Category struct {
 	Name string
 }
 
+func NewCategory(name string) (*Category, error) {
+	if name == "" {
+		return nil, errors.New("category's name should not be empty")
+	}
+	return &Category{Name: name}, nil
+}
+
 type Post struct {
 	ID       int64
 	Category Category
@@ -42,7 +49,7 @@ type Mindflow interface {
 	EditPost(post *Post) error
 	DeletePost(id int64) error
 	Posts() ([]Post, error)
-	NewCategory(name string) (int64, error)
+	NewCategory(category *Category) (int64, error)
 	EditCategory(category *Category) error
 	DeleteCategory(id int64) error
 	DeleteUnusedCategories() error