kknongchang_2506/app/Module/Pet/Validation/PetEatValidation.php

<?php

namespace App\Module\Pet\Validation;

use App\Module\Pet\Validators\PetFoodValidator;
use App\Module\Pet\Validators\PetExistsValidator;
use App\Module\Pet\Validators\PetStatusValidator;
use App\Module\Pet\Enums\PetStatus;
use UCore\ValidationCore;

/**
 * 宠物喂食验证类
 *
 * 用于验证宠物喂食请求的参数
 */
class PetEatValidation extends ValidationCore
{
    /**
     * 宠物ID
     *
     * @var int
     */
    public $pet_id;

    /**
     * 物品ID
     *
     * @var int
     */
    public $item_id;

    /**
     * 数量
     *
     * @var int
     */
    public $num;

    /**
     * 用户ID
     *
     * @var int
     */
    public $user_id;

    /**
     * 验证规则
     *
     * @param array $rules 自定义规则
     * @return array
     */
    public function rules($rules = []): array
    {
        return [
            [
                'pet_id,item_id,num,user_id', 'required'
            ],
            [
                'pet_id,item_id,num', 'integer', 'min' => 1,
                'msg' => '{attr}必须是大于0的整数'
            ],
            // 验证宠物是否存在
            [
                'pet_id', new PetExistsValidator($this),
                'msg' => '宠物不存在或不属于当前用户'
            ],
            // 验证宠物状态是否正常
            [
                'pet_id', new PetStatusValidator($this, [PetStatus::NORMAL]),
                'msg' => '宠物状态不允许喂食'
            ],
            // 验证物品是否为宠物口粮
            [
                'item_id', new PetFoodValidator($this),
                'msg' => '该物品不是宠物口粮'
            ]
        ];
    }

    /**
     * 设置默认值
     *
     * @return array
     */
    public function default(): array
    {
        return [
            'num' => 1
        ];
    }
}