Advanced application template

apps/advanced/common/models/LoginForm.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace app\models;
+
+use Yii;
+use yii\base\Model;
+
+/**
+ * LoginForm is the model behind the login form.
+ */
+class LoginForm extends Model
+{
+	public $username;
+	public $password;
+	public $rememberMe = true;
+
+	/**
+	 * @return array the validation rules.
+	 */
+	public function rules()
+	{
+		return array(
+			// username and password are both required
+			array('username, password', 'required'),
+			// password is validated by validatePassword()
+			array('password', 'validatePassword'),
+			// rememberMe must be a boolean value
+			array('rememberMe', 'boolean'),
+		);
+	}
+
+	/**
+	 * Validates the password.
+	 * This method serves as the inline validation for password.
+	 */
+	public function validatePassword()
+	{
+		$user = User::findByUsername($this->username);
+		if (!$user || !$user->validatePassword($this->password)) {
+			$this->addError('password', 'Incorrect username or password.');
+		}
+	}
+
+	/**
+	 * Logs in a user using the provided username and password.
+	 * @return boolean whether the user is logged in successfully
+	 */
+	public function login()
+	{
+		if ($this->validate()) {
+			$user = User::findByUsername($this->username);
+			Yii::$app->user->login($user, $this->rememberMe ? 3600*24*30 : 0);
+			return true;
+		} else {
+			return false;
+		}
+	}
+}