Initial commit

internal/domain/entities/post.go

@@ -0,0 +1,68 @@
+package entities
+
+import (
+	"errors"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+const PostTable = "post"
+
+type Post struct {
+	Id          uuid.UUID `db:"id"`
+	UserId      uuid.UUID `db:"user_id"`
+	Title       string    `db:"title"`
+	Description string    `db:"description"`
+	Content     string    `db:"content"`
+	CreatedAt   time.Time `db:"createdAt"`
+	UpdatedAt   time.Time `db:"updatedAt"`
+}
+
+func CreatePost(userId uuid.UUID, title string, description string, content string) (post Post, err error) {
+	post = Post{
+		Id:          uuid.New(),
+		UserId:      userId,
+		Title:       title,
+		Description: description,
+		Content:     content,
+		CreatedAt:   time.Now(),
+		UpdatedAt:   time.Now(),
+	}
+
+	err = post.Validate()
+
+	return
+}
+
+func (p *Post) Validate() error {
+	if err := uuid.Validate(p.Id.String()); err != nil {
+		return errors.New("Empty post.id")
+	}
+
+	if err := uuid.Validate(p.UserId.String()); err != nil {
+		return errors.New("Empty post.userId")
+	}
+
+	if p.Title == "" {
+		return errors.New("Empty post.title")
+	}
+
+	if p.Description == "" {
+		return errors.New("Empty post.description")
+	}
+
+	if p.Content == "" {
+		return errors.New("Empty post.content path")
+	}
+
+	if p.CreatedAt.IsZero() {
+		return errors.New("Empty post.createdAt")
+	}
+
+	if p.UpdatedAt.IsZero() {
+		return errors.New("Empty post.updatedAt")
+	}
+
+	return nil
+}