Laravel gallery trait

GalleryTrait.php

<?php

namespace App\Traits;

use App\Models\Elan;
use App\Models\ElanField;
use Exception;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Response;
use Intervention\Image\Facades\Image;

trait GalleryTrait {
    //your code here

    public static function setFeaturedImage($post_id){
        $get_first_gallery = ElanField::where([
            ['elan_id', '=', $post_id],
            ['field_key', '=', 'gallery']
        ])->first();
        //dd($get_first_gallery);

        if ($get_first_gallery && count($get_first_gallery) > 0) {
            Elan::where('id', '=', $post_id)
                ->update([
                    'featured_image' => $get_first_gallery->field_value,
                ]);
        }
    }

    public static function updateFeaturedImage($file, $post_id, $old_name){
        $dir = public_path('/') . config('app.gallery_upload_path');
        $get_width = config('app.image.large.width');
        $get_height = config('app.image.large.height');

        if (file_exists($dir)) {
            $destinationPath = $dir;
        } else {
            echo "gallery folder not found - ". $dir;
            return Response::json('error', 400);
        }

        //first delete old image
        //$this->delete();
        if (!empty($old_name)){
            self::delete_file($old_name, $post_id);
        }

        //dd($file);
        //$filename = $file->getClientOriginalName();
        $image_name = time() . '_' . $post_id.'.jpg';

        $location_temp = $file->getPathName();
        $location = $dir.$image_name;

        //$move = $file->move($destinationPath, $image_name);

        $move = Image::make($location_temp)->fit($get_width, $get_height, function ($constraint) {
            $constraint->upsize();
        })->save($location);

        if ($move) {
            Elan::where('id', '=', $post_id)
                ->update([
                    'featured_image' => $image_name,
                ]);
            return $post_id.'new success - '.$image_name;
            //return $destinationPath . $image_name;
        } else {
            return Response::json('error', 400);
        }

    }
    //store or update

    public static function ImageGalleryStoreOrUpdate($files, $post_id) {

        $dir = public_path('/') . config('app.gallery_upload_path');
        if (file_exists($dir)) {
            $destinationPath = $dir;
        } else {
            echo "gallery folder not found - ". $dir;
            return Response::json('error', 400);
        }

        $get_width = config('app.image.large.width');
        $get_height = config('app.image.large.height');

        foreach ($files as $file) {
            //dd($file->getPathName());
            $filename = $file->getClientOriginalName();
            $image_name = time() . '_' . $post_id . '.jpg';

            //return $img->response('jpg');
            //dd($img->response('jpg'));

            // to do: fayl tipi yazmaq laizmdir
            //$image_name = $temporary_id . time();
            //echo print_r($image_name);
            //$upload_success = $file->move($destinationPath, $image_name);

            $location_temp = $file->getPathName();
            $location = $dir.$image_name;

            $upload_success = Image::make($location_temp)->fit($get_width, $get_height, function ($constraint) {
                $constraint->upsize();
            })->save($location);

            if ($upload_success) {
                $elan_field = [
                    'elan_id' => $post_id,
                    'field_key' => 'gallery',
                    'field_value' => $image_name,
                ];
                $post = ElanField::create($elan_field);
                //echo $post_id.'new success - '.$image_name;
                //return $destinationPath . $image_name;

//                if ($post) {
//                }

                //return 'test1';

                $response = array('status'=> 'success', 'id' => $post->id);
                echo json_encode($response);

            } else {
                return Response::json('error', 400);
            }

        }
    }

    /*
     * @to-do: delete directory too
     */
    public static function delete($id){

        $find = ElanField::where(
            'id', $id
        )->first();

        if (!$find){
            return 'gallery not found';
        }

        $g_name = $find->field_value;

        ElanField::where('id', $id)->delete();

        self::delete_file($g_name, $id);

    }

    // delete file from only diroctory
    public static function delete_file($g_name, $id){
        $dir = public_path('/') . config('app.gallery_upload_path');

        $file_on_hosting = $dir . $g_name;

        if ( File::exists( $file_on_hosting ) )
        {
            File::delete( $file_on_hosting );

        } else {
            return 'file not found in folder';
        }

        return 'succesful deleted'.$id;
    }

    public static function update_galleries_id($post_id, $temporary_id){
        $gallery = ElanField::where([
            ['elan_id', '=', $temporary_id],
            ['field_key', '=', 'gallery']
        ]);

        if ($gallery && count($gallery) > 0) {
            $gallery->update([
                'elan_id' => $post_id,
                'status' => 'ACTIVE'
            ]);

        }
    }
}