Creating and triggering event hooks when tags are creating and updating

Modules/Tag/Events/TagIsCreating.php

+<?php
+
+namespace Modules\Tag\Events;
+
+use Modules\Core\Abstracts\AbstractEntityHook;
+use Modules\Core\Contracts\EntityIsChanging;
+
+class TagIsCreating extends AbstractEntityHook implements EntityIsChanging
+{
+}

Modules/Tag/Events/TagIsUpdating.php

+<?php
+
+namespace Modules\Tag\Events;
+
+use Modules\Core\Abstracts\AbstractEntityHook;
+use Modules\Core\Contracts\EntityIsChanging;
+use Modules\Tag\Entities\Tag;
+
+class TagIsUpdating extends AbstractEntityHook implements EntityIsChanging
+{
+    /**
+     * @var Tag
+     */
+    private $tag;
+
+    public function __construct(Tag $tag, $attributes)
+    {
+        $this->tag = $tag;
+        parent::__construct($attributes);
+    }
+
+    /**
+     * @return Tag
+     */
+    public function getTag()
+    {
+        return $this->tag;
+    }
+}

Modules/Tag/Repositories/Eloquent/EloquentTagRepository.php

@@ -3,6 +3,8 @@
 namespace Modules\Tag\Repositories\Eloquent;
 
 use Modules\Core\Repositories\Eloquent\EloquentBaseRepository;
+use Modules\Tag\Events\TagIsCreating;
+use Modules\Tag\Events\TagIsUpdating;
 use Modules\Tag\Events\TagWasCreated;
 use Modules\Tag\Events\TagWasUpdated;
 use Modules\Tag\Repositories\TagRepository;
@@ -21,7 +23,8 @@ class EloquentTagRepository extends EloquentBaseRepository implements TagReposit
 
     public function create($data)
     {
-        $tag = $this->model->create($data);
+        event($event = new TagIsCreating($data));
+        $tag = $this->model->create($event->getAttributes());
 
         event(new TagWasCreated($tag));
 
@@ -30,7 +33,8 @@ class EloquentTagRepository extends EloquentBaseRepository implements TagReposit
 
     public function update($tag, $data)
     {
-        $tag->update($data);
+        event($event = new TagIsUpdating($tag, $data));
+        $tag->update($event->getAttributes());
 
         event(new TagWasUpdated($tag));
 

Modules/Tag/Tests/Integration/EloquentTagRepositoryTest.php

@@ -3,6 +3,8 @@
 namespace Modules\Tag\Tests\Integration;
 
 use Illuminate\Support\Facades\Event;
+use Modules\Tag\Events\TagIsCreating;
+use Modules\Tag\Events\TagIsUpdating;
 use Modules\Tag\Events\TagWasCreated;
 use Modules\Tag\Events\TagWasUpdated;
 use Modules\Tag\Repositories\TagRepository;
@@ -68,6 +70,42 @@ class EloquentTagRepositoryTest extends BaseTestCase
         });
     }
 
+    /** @test */
+    public function it_triggers_event_when_tag_is_creating()
+    {
+        Event::fake();
+
+        $tag = $this->tag->create([
+            'namespace' => 'asgardcms/media',
+            'en' => [
+                'slug' => 'media-tag',
+                'name' => 'media tag',
+            ],
+        ]);
+
+        Event::assertDispatched(TagIsCreating::class, function ($e) use ($tag) {
+            return $e->getAttribute('namespace') === $tag->namespace;
+        });
+    }
+
+    /** @test */
+    public function it_can_change_data_when_it_is_creating_event()
+    {
+        Event::listen(TagIsCreating::class, function (TagIsCreating $event) {
+            $event->setAttributes(['en' => ['name' => 'MEDIA TAG']]);
+        });
+
+        $tag = $this->tag->create([
+            'namespace' => 'asgardcms/media',
+            'en' => [
+                'slug' => 'media-tag',
+                'name' => 'media tag',
+            ],
+        ]);
+
+        $this->assertEquals('MEDIA TAG', $tag->translate('en')->name);
+    }
+
     /** @test */
     public function it_triggers_event_when_tag_was_updated()
     {
@@ -86,4 +124,23 @@ class EloquentTagRepositoryTest extends BaseTestCase
             return $e->tag->id === $tag->id;
         });
     }
+
+    /** @test */
+    public function it_can_change_data_when_it_is_updating_event()
+    {
+        Event::listen(TagIsUpdating::class, function (TagIsUpdating $event) {
+            $event->setAttributes(['en' => ['name' => 'MEDIA TAG']]);
+        });
+
+        $tag = $this->tag->create([
+            'namespace' => 'asgardcms/media',
+            'en' => [
+                'slug' => 'media-tag',
+                'name' => 'media tag',
+            ],
+        ]);
+        $this->tag->update($tag, []);
+
+        $this->assertEquals('MEDIA TAG', $tag->translate('en')->name);
+    }
 }

Modules/Tag/changelog.yml

 url: https://github.com/AsgardCms/Platform
 versions:
+    "2.5.0":
+        added:
+            - Create and trigger events when tags are created and updated
+            - Trigger event before a tag is created (<code>TagIsCreating</code>) allow data to be changed
+            - Trigger event before a tag is updated (<code>TagIsUpdating</code>) allow data to be changed
     "2.1.0":
         changed:
             - Fixed tags not being removed probably on update & delete