feat(API): optional display name on users

api/pkg/apperr/messages.go

@@ -5,6 +5,7 @@ const BodyErrorMessage = "The request cannot be processed due to a mismatch in t
 const IdUint32ErrorMessage = "The server expects the ID to be in the format of an unsigned 32-bit integer (uint32)."
 const ArticleNotFoundErrorMessage = "Article not found"
 const ImageNotFoundErrorMessage = "Image not found"
+const DisplayNameErrorMessage = "Display name must be 60 characters or fewer."
 const ArticleTitleErrorMessage = "Article title must be between 3 and 200 characters."
 const RegistrationClosedErrorMessage = "You are not allowed to create a user. Log in or reset database."
 const RegistrationFailedErrorMessage = "Registration failed. Please try again later."

api/pkg/publicuser/publicUser.go

@@ -0,0 +1,28 @@
+package publicuser
+
+import (
+	"RenewCMS/internal/domain/user"
+	"time"
+)
+
+type PublicUser struct {
+	ID          uint32    `json:"id"`
+	Username    string    `json:"username"`
+	Email       string    `json:"email"`
+	IsVerified  bool      `json:"is_verified"`
+	CreatedAt   time.Time `json:"created_at"`
+	UpdatedAt   time.Time `json:"updated_at"`
+	DisplayName string    `json:"display_name"`
+}
+
+func New(u user.User) PublicUser {
+	return PublicUser{
+		ID:          u.ID,
+		Username:    u.Username,
+		Email:       u.Email,
+		IsVerified:  u.IsVerified,
+		CreatedAt:   u.CreatedAt,
+		UpdatedAt:   u.UpdatedAt,
+		DisplayName: u.DisplayName,
+	}
+}