kknongchang_2506/app/Module/AppGame/Handler/Land/SowHandler.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\Services\ItemService;
use Google\Protobuf\Internal\Message;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Uraus\Kku\Request\RequestLandSow;
use Uraus\Kku\Response\ResponseLandSow;
use UCore\Exception\LogicException;

/**
 * 种植操作请求处理器
 */
class SowHandler extends BaseHandler
{
    /**
     * 是否需要登录
     * @var bool
     */
    protected bool $need_login = true;

    /**
     * 处理种植操作请求
     *
     * @param RequestLandSow $data 种植操作请求数据
     * @return ResponseLandSow 种植操作响应
     */
    public function handle(Message $data): Message
    {
        // 创建响应对象
        $response = new ResponseLandSow();

        try {
            // 获取请求参数
            $landId = $data->getLandId();
            $itemId = $data->getItemId();
            $itemInstanceId = $data->getItemInstanceId();
            $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
            $userLands = LandService::getUserLands($userId);
            $landInfo = null;

            // 查找指定ID的土地
            foreach ($userLands as $land) {
                if ($land->id == $landId) {
                    $landInfo = $land;
                    break;
                }
            }

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

            // 在事务开始前检查土地状态
            if ($landInfo->status !== \App\Module\Farm\Enums\LAND_STATUS::IDLE->value) {
                throw new LogicException("土地状态不允许种植");
            }

            // 验证用户是否拥有该种子物品
            $hasItem = ItemService::getUserItems($userId, ['item_id' => $itemId]);
            if ($hasItem->isEmpty()) {
                throw new LogicException("您没有该种子");
            }

            // 开启数据库事务
            DB::beginTransaction();

            // 调用Farm模块的CropService种植作物
            $plantResult = CropService::plantCrop($userId, $landId, $itemId);
            if (!$plantResult) {
                throw new LogicException("种植失败，请检查土地状态");
            }

            // 获取种植日志ID
            $sowLogId = $plantResult['log_id'] ?? 0;

            // 消耗种子物品
            ItemService::consumeItem($userId, $itemId, $itemInstanceId, 1, [
                'source_type' => 'land_sow',
                'source_id' => $landId,
                'details' => [
                    'land_id' => $landId,
                    'sow_id' => $sowLogId
                ]
            ]);




            // 提交事务
            DB::commit();

            Log::info('用户种植成功', [
                'user_id' => $userId,
                'land_id' => $landId,
                'seed_id' => $itemId,
                'item_instance_id' => $itemInstanceId,
                'crop_id' => $plantResult['crop']->id ?? 0,
                'sow_log_id' => $sowLogId
            ]);

        } catch (LogicException $e) {
            // 回滚事务

            DB::rollBack();


            // 设置错误响应
            $this->response->setCode(400);
            $this->response->setMsg($e->getMessage());

            Log::warning('用户种植失败', [
                'user_id' => $this->user_id,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

        }

        return $response;
    }
}