Наведён порядок в моделях проекта

api/models/authentication/LoginForm.php

@@ -0,0 +1,73 @@
+<?php
+namespace api\models\authentication;
+
+use api\models\base\ApiForm;
+use api\traits\AccountFinder;
+use common\models\Account;
+use Yii;
+
+class LoginForm extends ApiForm {
+    use AccountFinder;
+
+    public $login;
+    public $password;
+    public $rememberMe = true;
+
+    public function rules() {
+        return [
+            ['login', 'required', 'message' => 'error.login_required'],
+            ['login', 'validateLogin'],
+
+            ['password', 'required', 'when' => function(self $model) {
+                return !$model->hasErrors();
+            }, 'message' => 'error.password_required'],
+            ['password', 'validatePassword'],
+
+            ['login', 'validateActivity'],
+
+            ['rememberMe', 'boolean'],
+        ];
+    }
+
+    public function validateLogin($attribute) {
+        if (!$this->hasErrors()) {
+            if (!$this->getAccount()) {
+                $this->addError($attribute, 'error.' . $attribute . '_not_exist');
+            }
+        }
+    }
+
+    public function validatePassword($attribute) {
+        if (!$this->hasErrors()) {
+            $account = $this->getAccount();
+            if (!$account || !$account->validatePassword($this->password)) {
+                $this->addError($attribute, 'error.' . $attribute . '_incorrect');
+            }
+        }
+    }
+
+    public function validateActivity($attribute) {
+        if (!$this->hasErrors()) {
+            $account = $this->getAccount();
+            if ($account->status !== Account::STATUS_ACTIVE) {
+                $this->addError($attribute, 'error.account_not_activated');
+            }
+        }
+    }
+
+    public function getLogin() {
+        return $this->login;
+    }
+
+    /**
+     * @return bool|string JWT с информацией об аккаунте
+     */
+    public function login() {
+        if (!$this->validate()) {
+            return false;
+        }
+
+        return $this->getAccount()->getJWT();
+    }
+
+}