add preview action and update user admin check

Author: gwleuverink

app/Filament/Resources/ArticleResource.php

@@ -2,6 +2,7 @@
 
 namespace App\Filament\Resources;
 
+use App\Filament\Resources\ArticleResource\Actions\PreviewAction;
 use App\Filament\Resources\ArticleResource\Actions\PublishAction;
 use App\Filament\Resources\ArticleResource\Actions\ScheduleAction;
 use App\Filament\Resources\ArticleResource\Actions\UnpublishAction;
@@ -86,6 +87,7 @@ public static function table(Table $table): Table
             ])
             ->actions([
                 ActionGroup::make([
+                    PreviewAction::make('preview'),
                     Tables\Actions\EditAction::make()->url(fn ($record) => static::getUrl('edit', ['record' => $record->id])),
                     UnpublishAction::make('unpublish'),
                     PublishAction::make('publish'),

app/Filament/Resources/ArticleResource/Actions/PreviewAction.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Filament\Resources\ArticleResource\Actions;
+
+use App\Models\Article;
+use Filament\Tables\Actions\Action;
+
+class PreviewAction extends Action
+{
+    protected function setUp(): void
+    {
+        $this
+            ->label('Preview')
+            ->icon('heroicon-o-eye')
+            ->url(fn (Article $article) => route('article', $article))
+            ->openUrlInNewTab();
+    }
+}

app/Http/Controllers/ShowBlogController.php

@@ -19,7 +19,7 @@ public function index()
 
     public function show(Article $article)
     {
-        abort_if(! $article->isPublished(), 404);
+        abort_unless($article->isPublished() || auth()->user()?->isAdmin(), 404);
 
         return view('article', [
             'article' => $article,

app/Models/User.php

@@ -29,6 +29,11 @@ class User extends Authenticatable implements FilamentUser
     ];
 
     public function canAccessPanel(Panel $panel): bool
+    {
+        return $this->isAdmin();
+    }
+
+    public function isAdmin(): bool
     {
         return in_array($this->email, config('filament.users'), true);
     }