jandl-taskmanager-app/be/app/Models/Attachment.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Storage;

class Attachment extends Model
{
    use HasFactory;

    public $timestamps = true;
    public $guarded = ['id'];

    public function mastertask()
    {
        return $this->belongsTo(MasterTask::class, 'master_task_id');
    }

    public function subtask()
    {
        return $this->belongsTo(SubTask::class, 'sub_task_id');
    }

    public static function uploadAttachmentsToS3($request, $mastertask)
    {
        $attachmentDataArray = [];

        foreach ( $request as $file ) {
            $extension = $file->getClientOriginalExtension();
            $disk_name = uniqid() . '.' . $extension;

            $path = 'jandl_taskmanager/attachments/' . $mastertask->id . '/' . $disk_name;

            Storage::disk('s3')->put($path, $file->getContent(), 'public');

            $attachmentDataArray[] = [
                'original_name' => $file->getClientOriginalName(),
                'disk_name' => $disk_name,
                'path' => Storage::disk('s3')->url($path),
                'extension' => $extension,
                'content_type' => $file->getMimeType(),
                'file_size' => $file->getSize(),
            ];
        }

        return $attachmentDataArray;
    }

    public function deleteFromS3()
    {
        $path = 'jandl_taskmanager/attachments/' . $this->master_task_id . '/' . $this->disk_name;
        Storage::disk('s3')->delete($path);

        return true;
    }
}