sam-api/app/Http/Requests/ItemMaster/ItemPageStoreRequest.php

<?php

namespace App\Http\Requests\ItemMaster;

use App\Models\ItemMaster\ItemPage;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class ItemPageStoreRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    public function rules(): array
    {
        $tenantId = app('tenant_id');

        return [
            'page_name' => 'required|string|max:255',
            'item_type' => [
                'required',
                'in:FG,PT,SM,RM,CS',
                Rule::unique((new ItemPage)->getTable(), 'item_type')
                    ->where('tenant_id', $tenantId)
                    ->where('is_active', true)
                    ->whereNull('deleted_at'),
            ],
            'absolute_path' => 'nullable|string|max:500',
        ];
    }

    public function messages(): array
    {
        return [
            'item_type.unique' => __('error.item_page_duplicate_item_type'),
        ];
    }
}