Place Category and Post types into one mindflow.go.

pkg/mindflow/category.go

@@ -1,6 +0,0 @@
-package mindflow
-
-type Category struct {
-	ID   int64
-	Name string
-}

pkg/mindflow/mindflow.go

@@ -1,5 +1,40 @@
 package mindflow
 
+import (
+	"errors"
+	"fmt"
+	"strings"
+	"time"
+)
+
+type Category struct {
+	ID   int64
+	Name string
+}
+
+type Post struct {
+	ID       int64
+	Category Category
+	Date     time.Time
+	Title    string
+	Body     string
+}
+
+func NewPost(category Category, title, body string) (*Post, error) {
+	if title == "" || body == "" {
+		return nil, errors.New("empty title or body is not allowed")
+	}
+	return &Post{
+		Category: category,
+		Date:     time.Now().UTC(),
+		Title:    title,
+		Body:     body}, nil
+}
+
+func (p *Post) PostID() string {
+	return fmt.Sprint(strings.ToLower(p.Category.Name), "-", p.Date.Format("20060102-1504"))
+}
+
 type Mindflow interface {
 	New(post *Post) error
 	Edit(post *Post) error

pkg/mindflow/post.go

@@ -1,31 +0,0 @@
-package mindflow
-
-import (
-	"errors"
-	"fmt"
-	"strings"
-	"time"
-)
-
-type Post struct {
-	ID       int64
-	Category Category
-	Date     time.Time
-	Title    string
-	Body     string
-}
-
-func NewPost(category Category, title, body string) (*Post, error) {
-	if title == "" || body == "" {
-		return nil, errors.New("empty title or body is not allowed")
-	}
-	return &Post{
-		Category: category,
-		Date:     time.Now().UTC(),
-		Title:    title,
-		Body:     body}, nil
-}
-
-func (p *Post) PostID() string {
-	return fmt.Sprint(strings.ToLower(p.Category.Name), "-", p.Date.Format("20060102-1504"))
-}