initial

app/Filters/PostFilter.php

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+<?php
+
+namespace App\Filters;
+
+use App\Models\Post;
+use Carbon\Carbon;
+use Illuminate\Contracts\Database\Eloquent\Builder;
+
+class PostFilter extends FilterAbstract
+{
+    /**
+     * Class name of Model
+     * @var string
+     */
+    protected $class = '\App\Models\Post';
+
+
+    /**
+     * Determine if the user can view the media model
+     *
+     * @param Post  $post The post instance.
+     * @param mixed $user The current logged in user.
+     * @return boolean
+     */
+    protected function viewable(Post $post, mixed $user)
+    {
+        if ($user?->hasPermission('admin/posts') !== true) {
+            return ($post->publish_at <= now());
+        }
+
+        return true;
+    }
+
+    /**
+     * Determine the prebuild query to limit results
+     *
+     * @param EloquentBuilder $builder The builder instance.
+     * @param mixed           $user    The current logged in user.
+     * @return EloquentBuilder|null
+     */
+    protected function prebuild(Builder $builder, mixed $user)
+    {
+        if ($user?->hasPermission('admin/posts') !== true) {
+            return $builder->where('publish_at', '<=', Carbon::now());
+        }
+    }
+}