First commit

model/user.go

@@ -0,0 +1,96 @@
+// Copyright 2017 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package model
+
+import (
+	"errors"
+	"time"
+)
+
+// User represents a user in the system.
+type User struct {
+	ID          int64      `json:"id"`
+	Username    string     `json:"username"`
+	Password    string     `json:"password,omitempty"`
+	IsAdmin     bool       `json:"is_admin"`
+	Theme       string     `json:"theme"`
+	Language    string     `json:"language"`
+	Timezone    string     `json:"timezone"`
+	LastLoginAt *time.Time `json:"last_login_at"`
+}
+
+func (u User) ValidateUserCreation() error {
+	if err := u.ValidateUserLogin(); err != nil {
+		return err
+	}
+
+	if err := u.ValidatePassword(); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (u User) ValidateUserModification() error {
+	if u.Username == "" {
+		return errors.New("The username is mandatory")
+	}
+
+	if err := u.ValidatePassword(); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (u User) ValidateUserLogin() error {
+	if u.Username == "" {
+		return errors.New("The username is mandatory")
+	}
+
+	if u.Password == "" {
+		return errors.New("The password is mandatory")
+	}
+
+	return nil
+}
+
+func (u User) ValidatePassword() error {
+	if u.Password != "" && len(u.Password) < 6 {
+		return errors.New("The password must have at least 6 characters")
+	}
+
+	return nil
+}
+
+// Merge update the current user with another user.
+func (u *User) Merge(override *User) {
+	if u.Username != override.Username {
+		u.Username = override.Username
+	}
+
+	if u.Password != override.Password {
+		u.Password = override.Password
+	}
+
+	if u.IsAdmin != override.IsAdmin {
+		u.IsAdmin = override.IsAdmin
+	}
+
+	if u.Theme != override.Theme {
+		u.Theme = override.Theme
+	}
+
+	if u.Language != override.Language {
+		u.Language = override.Language
+	}
+
+	if u.Timezone != override.Timezone {
+		u.Timezone = override.Timezone
+	}
+}
+
+// Users represents a list of users.
+type Users []*User