Allow deleting replies when comments are deleted.

composer.json

@@ -35,7 +35,7 @@
         }
     },
     "scripts": {
-        "test": "vendor/bin/phpunit",
+        "test": "XDEBUG_MODE=coverage vendor/bin/phpunit",
         "test-coverage": "vendor/bin/phpunit --coverage-html coverage"
     },
     "config": {

config/config.php

@@ -15,4 +15,8 @@ return [
      */
     'user_model' => null,
 
+    /**
+     * Determines if replies will be deleted when comments are deleted
+     */
+    'delete_replies_along_comments' => false,
 ];

src/Comment.php

@@ -2,6 +2,8 @@
 
 namespace BeyondCode\Comments;
 
+use BeyondCode\Comments\Events\CommentAdded;
+use BeyondCode\Comments\Events\CommentDeleted;
 use Exception;
 use Illuminate\Database\Eloquent\Model;
 use BeyondCode\Comments\Traits\HasComments;
@@ -20,6 +22,25 @@ class Comment extends Model
         'is_approved' => 'boolean'
     ];
 
+    public static function boot(): void
+    {
+        parent::boot();
+
+        static::deleting(function (self $model) {
+            if (config('comments.delete_replies_along_comments')) {
+                $model->comments()->delete();
+            }
+        });
+
+        static::deleted(function (self $model) {
+            CommentDeleted::dispatch($model);
+        });
+
+        static::created(function (self $model) {
+            CommentAdded::dispatch($model);
+        });
+    }
+
     public function scopeApproved($query)
     {
         return $query->where('is_approved', true);
@@ -43,7 +64,7 @@ class Comment extends Model
 
         return $this;
     }
-  
+
     public function disapprove()
     {
         $this->update([
@@ -65,5 +86,4 @@ class Comment extends Model
 
         throw new Exception('Could not determine the commentator model name.');
     }
-
-}
+}

src/Events/CommentAdded.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace BeyondCode\Comments\Events;
+
+use BeyondCode\Comments\Comment;
+use Illuminate\Broadcasting\InteractsWithSockets;
+use Illuminate\Contracts\Events\ShouldDispatchAfterCommit;
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class CommentAdded implements ShouldDispatchAfterCommit
+{
+    use Dispatchable, InteractsWithSockets, SerializesModels;
+
+    /**
+     * Create a new event instance.
+     */
+    public function __construct(
+        public Comment $comment,
+    ) {
+    }
+}

src/Events/CommentDeleted.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace BeyondCode\Comments\Events;
+
+use BeyondCode\Comments\Comment;
+use Illuminate\Broadcasting\InteractsWithSockets;
+use Illuminate\Contracts\Events\ShouldDispatchAfterCommit;
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class CommentDeleted implements ShouldDispatchAfterCommit
+{
+    use Dispatchable, InteractsWithSockets, SerializesModels;
+
+    /**
+     * Create a new event instance.
+     */
+    public function __construct(
+        public Comment $comment,
+    ) {
+    }
+}

src/Traits/HasComments.php

@@ -43,7 +43,7 @@ trait HasComments
 
         $comment = new $commentClass([
             'comment' => $comment,
-            'is_approved' => ($user instanceof Commentator) ? ! $user->needsCommentApproval($this) : false,
+            'is_approved' => ($user instanceof Commentator) ? !$user->needsCommentApproval($this) : false,
             'user_id' => is_null($user) ? null : $user->getKey(),
             'commentable_id' => $this->getKey(),
             'commentable_type' => get_class(),
@@ -51,5 +51,4 @@ trait HasComments
 
         return $this->comments()->save($comment);
     }
-
 }

tests/CommentsTest.php

@@ -2,9 +2,13 @@
 
 namespace BeyondCode\Comments\Tests;
 
+use BeyondCode\Comments\Events\CommentAdded;
+use BeyondCode\Comments\Events\CommentDeleted;
 use BeyondCode\Comments\Tests\Models\ApprovedUser;
 use BeyondCode\Comments\Tests\Models\Post;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Foundation\Auth\User;
+use Illuminate\Support\Facades\Event;
 
 class CommentsTest extends TestCase
 {
@@ -145,4 +149,69 @@ class CommentsTest extends TestCase
 
         $this->assertSame('this comment is approved', $post->comments()->approved()->first()->comment);
     }
-}
+
+    /** @test */
+    public function comments_are_deleted_when_posts_are_deleted()
+    {
+        $post = Post::create([
+            'title' => 'Some post'
+        ]);
+
+        $comment = $post->comment('this comment will be deleted');
+
+        $post->delete();
+
+        $this->assertFalse($comment->exists());
+    }
+
+    /** @test */
+    public function replies_are_deleted_when_post_comments_are_deleted()
+    {
+        config(['comments.delete_replies_along_comments' => true]);
+
+        $post = Post::create([
+            'title' => 'Some post'
+        ]);
+
+        $comment = $post->comment('this comment will be deleted');
+        $reply = $comment->comment('this comment will be deleted too');
+
+        $comment->delete();
+
+        $this->assertFalse($reply->exists());
+    }
+
+    /** @test */
+    public function comment_added_event_is_dispatched_when_comment_is_created()
+    {
+        Event::fake([CommentAdded::class]);
+
+        $post = Post::create([
+            'title' => 'Some post'
+        ]);
+
+        $comment = $post->comment('this comment is added');
+
+        Event::assertDispatched(CommentAdded::class, function ($event) use ($comment) {
+            return $event->comment->is($comment);
+        });
+    }
+
+    /** @test */
+    public function comment_deleted_event_is_dispatched_when_comment_is_deleted()
+    {
+        Event::fake([CommentDeleted::class]);
+
+        $post = Post::create([
+            'title' => 'Some post'
+        ]);
+
+        $comment = $post->comment('this comment is added');
+
+        $comment->delete();
+
+        Event::assertDispatched(CommentDeleted::class, function ($event) use ($comment) {
+            return $event->comment->is($comment);
+        });
+    }
+}

tests/Models/Post.php

@@ -3,6 +3,7 @@
 namespace BeyondCode\Comments\Tests\Models;
 
 use BeyondCode\Comments\Traits\HasComments;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 
 class Post extends Model
@@ -10,4 +11,13 @@ class Post extends Model
     use HasComments;
 
     protected $guarded = [];
-}
+
+    public static function boot(): void
+    {
+        parent::boot();
+
+        static::deleting(function (self $model) {
+            $model->comments()->delete();
+        });
+    }
+}