User can delete issue comments

app/Http/Controllers/Issues/CommentController.php

@@ -54,4 +54,29 @@ class CommentController extends Controller
 
         return redirect()->route('projects.issues.show', [$issue->project, $issue]);
     }
+
+    /**
+     * Remove the specified comment.
+     *
+     * @param  \App\Entities\Projects\Issue  $issue
+     * @param  \\App\Entities\Projects\Comment  $comment
+     * @return \Illuminate\Routing\Redirector
+     */
+    public function destroy(Issue $issue, Comment $comment)
+    {
+        $this->authorize('delete', $comment);
+
+        request()->validate([
+            'comment_id' => 'required|exists:comments,id',
+        ]);
+
+        if (request('comment_id') == $comment->id && $comment->delete()) {
+            flash(__('comment.deleted'), 'warning');
+
+            return redirect()->route('projects.issues.show', [$issue->project, $issue]);
+        }
+        flash(__('comment.undeleted'), 'error');
+
+        return back();
+    }
 }

resources/views/projects/issues/partials/comment-section.blade.php

@@ -8,6 +8,14 @@
         @can('update', $comment)
             {{ link_to_route('projects.issues.show', __('app.edit'), [$project, $issue, 'action' => 'comment-edit', 'comment_id' => $comment->id], ['id' => 'edit-comment-'.$comment->id, 'class' => 'small', 'title' => __('comment.edit')]) }}
         @endcan
+        @can('delete', $comment)
+            {!! FormField::delete(
+                ['route' => ['issues.comments.destroy', $issue, $comment], 'class' => ''],
+                '×',
+                ['class' => 'btn-link', 'id' => 'delete-comment-'.$comment->id],
+                ['comment_id' => $comment->id]
+            ) !!}
+        @endcan
     </div>
     {!! nl2br($comment->body) !!}
 </div>

routes/web/projects.php

@@ -111,3 +111,4 @@ Route::patch('issues/{issue}/options', 'Issues\OptionController@update')->name('
  */
 Route::post('issues/{issue}/comments', 'Issues\CommentController@store')->name('issues.comments.store');
 Route::patch('issues/{issue}/comments/{comment}', 'Issues\CommentController@update')->name('issues.comments.update');
+Route::delete('issues/{issue}/comments/{comment}', 'Issues\CommentController@destroy')->name('issues.comments.destroy');

tests/Feature/Projects/IssueCommentsTest.php

@@ -81,4 +81,26 @@ class IssueCommentsTest extends TestCase
         ]);
     }
 
+    /** @test */
+    public function user_can_delete_an_issue_comment()
+    {
+        $this->adminUserSigningIn();
+        $issue = factory(Issue::class)->create();
+        $comment = factory(Comment::class)->create([
+            'commentable_type' => 'issues',
+            'commentable_id'   => $issue->id,
+            'body'             => 'This is issue comment.',
+        ]);
+
+        $this->visitRoute('projects.issues.show', [$issue->project, $issue]);
+        $this->seeElement('button', ['id' => 'delete-comment-'.$comment->id]);
+        $this->press('delete-comment-'.$comment->id);
+
+        $this->seePageIs(route('projects.issues.show', [$issue->project, $issue]));
+        $this->see(__('comment.deleted'));
+
+        $this->dontSeeInDatabase('comments', [
+            'id' => $comment->id,
+        ]);
+    }
 }