abschlussprojekt-device-manager-timon-lorenz/device-app/app/Models/PurchasingInformation.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class PurchasingInformation extends Model
{
    use HasFactory;

    /**
     * The table associated with the model.
     * @var string
     */
    protected $table = 'purchasing_information';

    /**
     * The primary key associated with the devices table.
     * @var string
     */
    protected $primaryKey = 'purchasing_information_id';

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = ['purchasing_information_id', 'price', 'timestamp_warranty_end', 'timestamp_purchase', 'cost_centre', 'seller', 'device_id'];

    public function device(): BelongsTo {
        return $this->belongsTo(Device::class, 'device_id', 'device_id');
    }

    //Timestamps are disabled.
    public $timestamps = false;
}