strprfcrm/app/Models/Contractor.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Contractor extends Model
{
    use HasFactory;

    public const ORGANIZATION_FORM_IP = 'ip';
    public const ORGANIZATION_FORM_OOO = 'ooo';
    public const ORGANIZATION_FORM_SELF_EMPLOYED = 'self_employed';

    public const TAX_WITHOUT_VAT = 'without_vat';
    public const TAX_5 = '5';
    public const TAX_7 = '7';
    public const TAX_15 = '15';
    public const TAX_22 = '22';

    public const ORGANIZATION_FORMS = [
        self::ORGANIZATION_FORM_IP => 'ИП',
        self::ORGANIZATION_FORM_OOO => 'ООО',
        self::ORGANIZATION_FORM_SELF_EMPLOYED => 'Самозанятый',
    ];

    public const TAX_RATES = [
        self::TAX_WITHOUT_VAT => 'Без НДС',
        self::TAX_5 => '5%',
        self::TAX_7 => '7%',
        self::TAX_15 => '15%',
        self::TAX_22 => '22%',
    ];

    public const SIGNER_TITLES = [
        self::ORGANIZATION_FORM_IP => 'Индивидуальный предприниматель',
        self::ORGANIZATION_FORM_OOO => 'Генеральный директор',
        self::ORGANIZATION_FORM_SELF_EMPLOYED => 'Самозанятый',
    ];

    protected $fillable = [
        'name',
        'legal_name',
        'contract_number',
        'contract_date',
        'director_name',
        'organization_form',
        'tax_rate',
        'contract_header',
        'hidden',
    ];

    protected $casts = [
        'contract_date' => 'date',
        'hidden' => 'boolean',
    ];

    protected $appends = [
        'organization_form_name',
        'tax_rate_name',
        'hidden_txt',
        'signer_title',
    ];

    public function prices(): HasMany
    {
        return $this->hasMany(ContractorInstallationPrice::class);
    }

    protected function organizationFormName(): Attribute
    {
        return Attribute::make(
            get: fn() => self::ORGANIZATION_FORMS[$this->organization_form] ?? $this->organization_form,
        );
    }

    protected function taxRateName(): Attribute
    {
        return Attribute::make(
            get: fn() => self::TAX_RATES[$this->tax_rate] ?? $this->tax_rate,
        );
    }

    protected function hiddenTxt(): Attribute
    {
        return Attribute::make(
            get: fn() => $this->hidden ? 'Да' : 'Нет',
        );
    }

    protected function signerTitle(): Attribute
    {
        return Attribute::make(
            get: fn() => self::SIGNER_TITLES[$this->organization_form] ?? '',
        );
    }
}