first upload all files

Modules/Slider/Entities/Slider.php

@@ -0,0 +1,113 @@
+<?php
+
+namespace Modules\Slider\Entities;
+
+use Modules\Admin\Ui\AdminTable;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Database\Eloquent\Model;
+use Modules\Support\Eloquent\Translatable;
+
+class Slider extends Model
+{
+    use Translatable;
+
+    /**
+     * The relations to eager load on every query.
+     *
+     * @var array
+     */
+    protected $with = ['translations', 'slides'];
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = ['speed', 'autoplay', 'autoplay_speed', 'fade', 'dots', 'arrows'];
+
+    /**
+     * The attributes that are translatable.
+     *
+     * @var array
+     */
+    public $translatedAttributes = ['name'];
+
+    /**
+     * Perform any actions required after the model boots.
+     *
+     * @return void
+     */
+    protected static function booted()
+    {
+        static::saved(function ($slider) {
+            $slider->saveSlides(request('slides', []));
+            $slider->clearCache();
+        });
+    }
+
+    public function shouldAutoPlay()
+    {
+        return $this->autoplay ? 'true' : 'false';
+    }
+
+    public function clearCache()
+    {
+        Cache::tags("sliders.{$this->id}")->flush();
+    }
+
+    public static function findWithSlides($id)
+    {
+        if (is_null($id)) {
+            return;
+        }
+
+        return Cache::tags("sliders.{$id}")
+            ->rememberForever(md5("sliders.{$id}:" . locale()), function () use ($id) {
+                return static::with('slides')->find($id);
+            });
+    }
+
+    public function slides()
+    {
+        return $this->hasMany(SliderSlide::class)->orderBy('position');
+    }
+
+    public function getAutoplaySpeedAttribute($autoplaySpeed)
+    {
+        return $autoplaySpeed ?: 3000;
+    }
+
+    public function table()
+    {
+        return new AdminTable($this->newQuery());
+    }
+
+    /**
+     * Save slides for the slider.
+     *
+     * @param array $slides
+     * @return void
+     */
+    public function saveSlides($slides)
+    {
+        $ids = $this->getDeleteCandidates($slides);
+
+        if ($ids->isNotEmpty()) {
+            $this->slides()->whereIn('id', $ids)->delete();
+        }
+
+        foreach (array_reset_index($slides) as $index => $slide) {
+            $this->slides()->updateOrCreate(
+                ['id' => $slide['id']],
+                $slide + ['position' => $index]
+            );
+        }
+    }
+
+    private function getDeleteCandidates($slides = [])
+    {
+        return $this->slides()
+            ->pluck('id')
+            ->diff(array_pluck($slides, 'id'));
+    }
+}