kknongchang_2506/app/Module/AppGame/Handler/Land/FertilizerHandler.php

<?php

namespace App\Module\AppGame\Handler\Land;

use App\Module\AppGame\Handler\BaseHandler;
use App\Module\Farm\Services\CropService;
use App\Module\Farm\Services\LandService;
use App\Module\GameItems\Logics\Item;
use App\Module\GameItems\Services\ItemService;
use Google\Protobuf\Internal\Message;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Uraus\Kku\Request\RequestLandFertilizer;
use Uraus\Kku\Response\ResponseLandFertilizer;
use UCore\Exception\LogicException;

/**
 * 处理施肥操作请求
 */
class FertilizerHandler extends BaseHandler
{

    /**
     * 是否需要登录
     *
     * @var bool
     */
    protected bool $need_login = true;

    /**
     * 处理施肥操作请求
     *
     * @param RequestLandFertilizer $data 施肥操作请求数据
     * @return Res 施肥操作响应
     */
    public function handle(Message $data): Message
    {
        // 创建响应对象
        $response = new ResponseLandFertilizer();


        // 获取请求参数
        $landId = $data->getLandId();
        $itemId = $data->getItemId();
        $userId = $this->user_id;

        // 验证土地是否存在且属于当前用户
        // 获取用户所有土地
        $landInfo = LandService::getUserLand($userId,$landId);


        if (!$landInfo) {
            throw new LogicException("土地不存在或不属于当前用户");
        }

        // 验证用户是否拥有该物品
        $hasItem = ItemService::checkItemQuantity($userId, $itemId ,1);
        if ($hasItem->error) {
            throw new LogicException("您没有该肥料物品");
        }
        $crop_growth_time = ItemService::getItemNumericAttribute($itemId,'crop_growth_time',0);
        if ($crop_growth_time <= 0) {
            throw new LogicException("该肥料物品无效");
        }
        DB::beginTransaction();
        try {

            // 调用施肥服务
            $result = CropService::useFertilizer($userId, $landId,$crop_growth_time);
            if ($result->error) {
                throw new LogicException("施肥失败，请检查土地状态或作物生长阶段");
            }

            // 消耗物品
            ItemService::consumeItem($userId, $itemId, null, 1, [
                'source_type' => 'land_fertilizer',
                'source_id'   => $landId,
                'details'     => [ 'land_id' => $landId ]
            ]);



            Log::info('用户施肥成功', [
                'user_id' => $userId,
                'land_id' => $landId,
                'item_id' => $itemId
            ]);
            DB::commit();
        } catch (\Exception $e) {
            DB::rollBack();
            throw $e;
        }
        CropService::updateGrowthStage($result->data['crop_id']);


        return $response;
    }

}