autocde2.0/app/Http/Requests/API/Task/BatchCreateItemRules.php

<?php

namespace App\Http\Requests\API\Task;

use App\Http\Requests\CustomFieldRuleHelper;
use App\Http\Requests\NamingRuleHelper;
use App\Http\Requests\RuleHelper;
use App\Models\Enums\TaskACL;
use Illuminate\Support\Facades\Auth;
use Illuminate\Validation\Rule;
use Illuminate\Validation\Rules\Enum;

class BatchCreateItemRules
{
    use RuleHelper, CustomFieldRuleHelper, NamingRuleHelper;

    public function rules(array $data): array
    {
        $rules =  [
            'requirement_id' => [
                'nullable',
                Rule::exists('requirements', 'id')->where($this->userCompanyWhere()),
            ],
            'asset_group_id' => [
                Rule::exists('asset_groups', 'id')->where($this->userCompanyWhere()),
            ],
            'assign' => [
                Rule::exists('users', 'id')->where($this->userCompanyWhere()),
            ],
            'name' => 'required|max:255',
            'begin' => 'date',
            'end' => 'date',
            'mailto' => $this->usersCompanyRules(),
        ];

        $taskRules = $this->customFieldRuleByGroup("task", ['doc_type', 'task_type', 'doc_stage', "state", "suitability"]);

        $namingRuleId = data_get($data, 'naming_rule_id');
        if ($namingRuleId > 0) {
            $this->namingRuleCheck($namingRuleId);

            $namingRules = $this->customFieldRuleByGroup($namingRuleId);

            $rules = [...$rules, ... $namingRules];
        }

        return [...$rules, ...$taskRules];
    }
}