add Closure support for fromEmail (#274)

CHANGELOG.md

@@ -21,6 +21,7 @@
  - Fix #252: Delete check for unexpected property `allowPasswordRecovery` for resend email by admin (bscheshirwork)
  - Fix #254: Rename `GDPR` properties to `lowerCamelCase` style (bscheshirwork)
  - Fix #258: Rename `GDPR` delete action to `lowerCamelCase`/`dash` style (bscheshirwork)
+ - Fix #271: Add closure support for `from` email address; Change default sender to `supportEmail` (bscheshirwork)
  - Fix #276: Fix missing translatable strings
 
 ## 1.1.4 - February 19, 2018

docs/installation/mailer.md

@@ -4,7 +4,7 @@ Mailer
 The way this module sends its emails is throughout the [`Mailer`](http://www.yiiframework.com/doc-2.0/guide-tutorial-mailing.html) 
 component of Yii 2. Please, follow Yii 2's guidelines to set it up. 
  
-Nevertheless, you have to configure the following attribute of the module: `mailParams`. the following is its default 
+Nevertheless, you wish to configure the following attribute of the module: `mailParams`. the following is its default 
 values:
 
 ```php
@@ -17,7 +17,23 @@ values:
 ]
 ```
 
-Actually, the only thing required is the `fromEmail` value. If you look at the code of `Da\User\Factory\MailFactory.php` 
+Actually, the only thing required is the `fromEmail` value. 
+If you want to set it the same as supportEmail from your config params (like yii2-app-advanced template):
+```php
+    ...
+    'modules' => [
+        'user' => [
+            'class' => Da\User\Module::class,
+            'mailParams' => [
+                'fromEmail' => function() {
+                    return [Yii::$app->params['supportEmail'] => Yii::t('app', '{0} robot', Yii::$app->name)];
+                }
+            ],
+        ],
+    ],
+    ...
+```
+If you look at the code of `Da\User\Factory\MailFactory.php` 
 you will easily find the reason why: 
 
 ```php
@@ -55,4 +71,35 @@ public function run()
 }
 ```
 
+> Tip: You can separate `from` by type of mailer of this module:
+```php
+    ...
+    'modules' => [
+        'user' => [
+            'class' => Da\User\Module::class,
+            'mailParams' => [
+                'fromEmail' =>
+                    /**
+                     * @param $type string The type of mail 
+                     *   Da\User\Event\MailEvent::TYPE_WELCOME|Da\User\Event\MailEvent::TYPE_RECOVERY|
+                     *   Da\User\Event\MailEvent::TYPE_CONFIRM|Da\User\Event\MailEvent::TYPE_RECONFIRM
+                     * @return array
+                     */
+                    function ($type) {
+                        switch ($type) {
+                            case Da\User\Event\MailEvent::TYPE_WELCOME:
+                                return [Yii::$app->params['supportEmail'] => Yii::t('app', '{0} welcome!', Yii::$app->name)];
+                            break;
+                            default:
+                                return [Yii::$app->params['supportEmail'] => Yii::t('app', '{0} robot', Yii::$app->name)];
+                            break;
+                        }
+                    },
+            ],
+        ],
+    ],
+    ...
+```
+
+
 © [2amigos](http://www.2amigos.us/) 2013-2017

src/User/Factory/MailFactory.php

@@ -118,7 +118,7 @@ class MailFactory
      * Builds a MailerService.
      *
      * @param string $type
-     * @param string $from
+     * @param string|array|\Closure $from
      * @param string $to
      * @param string $subject
      * @param string $view
@@ -130,6 +130,9 @@ class MailFactory
      */
     public static function makeMailerService($type, $from, $to, $subject, $view, $params = [])
     {
+        if ($from instanceof \Closure){
+            $from = $from($type);
+        }
         /** @noinspection PhpIncompatibleReturnTypeInspection */
         return Yii::$container->get(
             MailService::class,