Close #109 provide better error classes + phpdoc fixes

src/User/Model/User.php

@@ -16,6 +16,8 @@ use Da\User\Query\UserQuery;
 use Da\User\Traits\ContainerAwareTrait;
 use Da\User\Traits\ModuleAwareTrait;
 use Yii;
+use yii\base\Exception;
+use yii\base\InvalidConfigException;
 use yii\base\InvalidParamException;
 use yii\base\NotSupportedException;
 use yii\behaviors\TimestampBehavior;
@@ -74,6 +76,8 @@ class User extends ActiveRecord implements IdentityInterface
      * {@inheritdoc}
      *
      * @throws InvalidParamException
+     * @throws InvalidConfigException
+     * @throws Exception
      */
     public function beforeSave($insert)
     {
@@ -98,6 +102,8 @@ class User extends ActiveRecord implements IdentityInterface
 
     /**
      * @inheritdoc
+     *
+     * @throws InvalidConfigException
      */
     public function afterSave($insert, $changedAttributes)
     {
@@ -242,6 +248,7 @@ class User extends ActiveRecord implements IdentityInterface
     }
 
     /**
+     * @throws InvalidConfigException
      * @return bool whether the user is an admin or not
      */
     public function getIsAdmin()
@@ -271,6 +278,8 @@ class User extends ActiveRecord implements IdentityInterface
     }
 
     /**
+     * @throws InvalidConfigException
+     * @throws InvalidParamException
      * @return \yii\db\ActiveQuery
      */
     public function getProfile()
@@ -285,7 +294,7 @@ class User extends ActiveRecord implements IdentityInterface
      */
     public function getSocialNetworkAccounts()
     {
-        if ($this->connectedAccounts == null) {
+        if (null === $this->connectedAccounts) {
             /** @var SocialNetworkAccount[] $accounts */
             $accounts = $this->hasMany(
                 $this->getClassMap()