Implement some parts for loading data from a directory

user.go

@@ -0,0 +1,38 @@
+package mailfull
+
+// User represents a User.
+type User struct {
+	name           string
+	hashedPassword string
+	forwards       []string
+}
+
+// NewUser creates a new User instance.
+func NewUser(name, hashedPassword string, forwards []string) (*User, error) {
+	if !validUserName(name) {
+		return nil, ErrInvalidUserName
+	}
+
+	u := &User{
+		name:           name,
+		hashedPassword: hashedPassword,
+		forwards:       forwards,
+	}
+
+	return u, nil
+}
+
+// Name returns name.
+func (u *User) Name() string {
+	return u.name
+}
+
+// HashedPassword returns hashedPassword.
+func (u *User) HashedPassword() string {
+	return u.hashedPassword
+}
+
+// Forwards returns forwards.
+func (u *User) Forwards() []string {
+	return u.forwards
+}