Start refactoring

data/repository/user/user.go

@@ -0,0 +1,36 @@
+package user
+
+import (
+	"errors"
+	"github.com/google/uuid"
+)
+
+type (
+	UserRepository interface {
+		UserByID(ID ID) (User, error)
+		UserByUsername(username string) (User, error)
+		CreateUser(user NewUserTemplate) (User, error)
+	}
+
+	User interface {
+		ID() uuid.UUID
+		Username() string
+		DisplayName() string
+		Roles() []Role
+		SetPassword() string
+		CheckPassword(password string) bool
+	}
+
+	NewUserTemplate interface {
+		Username() string
+		Password() string
+		DisplayName() string
+	}
+
+	ID   uuid.UUID
+	Role string
+)
+
+var (
+	ErrUserNotFound = errors.New("user not found")
+)