sam-manage/app/Models/Juil/PmisArchiveFile.php

<?php

namespace App\Models\Juil;

use App\Models\User;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\SoftDeletes;

class PmisArchiveFile extends Model
{
    use SoftDeletes;

    protected $fillable = [
        'tenant_id',
        'folder_id',
        'title',
        'original_name',
        'file_path',
        'file_type',
        'file_size',
        'site_name',
        'registered_by',
        'options',
    ];

    protected $casts = [
        'options' => 'array',
    ];

    public function scopeTenant($query, $tenantId)
    {
        return $query->where('tenant_id', $tenantId);
    }

    public function folder(): BelongsTo
    {
        return $this->belongsTo(PmisArchiveFolder::class, 'folder_id');
    }

    public function registeredByUser(): BelongsTo
    {
        return $this->belongsTo(User::class, 'registered_by');
    }

    public static function detectFileType(string $extension): string
    {
        $ext = strtolower($extension);
        $imageExts = ['jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp', 'svg'];
        $videoExts = ['mp4', 'avi', 'mov', 'wmv', 'flv', 'mkv', 'webm'];

        if (in_array($ext, $imageExts)) {
            return '사진';
        }
        if (in_array($ext, $videoExts)) {
            return '동영상';
        }

        return '문서';
    }

    public static function formatSize(int $bytes): string
    {
        if ($bytes >= 1073741824) {
            return round($bytes / 1073741824, 1).'GB';
        }
        if ($bytes >= 1048576) {
            return round($bytes / 1048576, 1).'MB';
        }
        if ($bytes >= 1024) {
            return round($bytes / 1024, 1).'KB';
        }

        return $bytes.'B';
    }
}