monica/app/Models/Contact/Occupation.php

<?php

namespace App\Models\Contact;

use App\Models\Account\Account;
use App\Models\Account\Company;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class Occupation extends Model
{
    protected $table = 'occupations';

    /**
     * The attributes that are mass assignable.
     *
     * @var array<string>
     */
    protected $fillable = [
        'account_id',
        'contact_id',
        'company_id',
        'title',
        'description',
        'salary',
        'salary_unit',
        'currently_works_here',
        'start_date',
        'end_date',
    ];

    /**
     * Valid value for salary unit.
     *
     * @var array
     */
    public static $salaryUnits = [
        'year', 'month', 'week', 'day', 'hour',
    ];

    /**
     * The attributes that should be cast to native types.
     *
     * @var array<string, string>
     */
    protected $casts = [
        'start_date' => 'datetime:Y-m-d',
        'end_date' => 'datetime:Y-m-d',
    ];

    /**
     * The attributes that aren't mass assignable.
     *
     * @var array<string>|bool
     */
    protected $guarded = ['id'];

    /**
     * Get the account record associated with the occupation.
     *
     * @return BelongsTo
     */
    public function account()
    {
        return $this->belongsTo(Account::class);
    }

    /**
     * Get the contact record associated with the occupation.
     *
     * @return BelongsTo
     */
    public function contact()
    {
        return $this->belongsTo(Contact::class);
    }

    /**
     * Get the company record associated with the occupation.
     *
     * @return BelongsTo
     */
    public function company()
    {
        return $this->belongsTo(Company::class);
    }
}