代码初始化
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249
service/market/market_service.go
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249
service/market/market_service.go
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package service
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import (
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"context"
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"errors"
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"fmt"
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"time"
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"gitea.com/red-future/common/consul"
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"gitea.com/red-future/common/http"
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"github.com/gogf/gf/v2/util/gconv"
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marketConsts "shop-user-trade/consts/market"
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marketDao "shop-user-trade/dao/market"
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marketDto "shop-user-trade/model/dto/market"
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marketEntity "shop-user-trade/model/entity/market"
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)
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type market struct{}
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// Market 市场服务
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var Market = new(market)
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// Create 创建市场物品
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func (s *market) Create(ctx context.Context, req *marketDto.CreateMarketReq) (int64, error) {
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// 检查该背包项是否已经在市场中
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existing, _ := marketDao.Market.GetByKnapsackID(ctx, req.KnapsackID)
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if existing != nil && existing.Id > 0 {
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return 0, errors.New("该物品已在市场中")
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}
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// 设置上架过期时间（默认7天）
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if req.ListExpireAt == nil {
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defaultExpire := time.Now().Add(7 * 24 * time.Hour).Unix()
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req.ListExpireAt = &defaultExpire
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}
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id, err := marketDao.Market.Insert(ctx, req)
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if err != nil {
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return 0, fmt.Errorf("创建市场物品失败: %w", err)
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}
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return id, nil
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}
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// GetOne 获取单个市场物品
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func (s *market) GetOne(ctx context.Context, req *marketDto.GetMarketReq) (*marketDto.GetMarketRes, error) {
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item, err := marketDao.Market.GetOne(ctx, req)
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if err != nil {
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return nil, err
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}
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if item == nil {
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return nil, errors.New("市场物品不存在")
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}
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return &marketDto.GetMarketRes{
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MarketItem: s.entityToItem(item),
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}, nil
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}
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// List 获取市场列表（支持分页和搜索）
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func (s *market) List(ctx context.Context, req *marketDto.ListMarketReq) (*marketDto.ListMarketRes, error) {
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list, total, err := marketDao.Market.List(ctx, req)
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if err != nil {
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return nil, err
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}
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res := &marketDto.ListMarketRes{Total: total}
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for _, item := range list {
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itemCopy := item
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res.List = append(res.List, s.entityToItem(&itemCopy))
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}
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return res, nil
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}
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// Unlist 下架市场物品
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func (s *market) Unlist(ctx context.Context, req *marketDto.UnlistMarketReq) error {
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item, err := marketDao.Market.GetByID(ctx, req.ID)
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if err != nil {
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return err
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}
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if item == nil {
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return errors.New("市场物品不存在")
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}
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if item.Status != marketConsts.MarketStatusActive {
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return errors.New("只有活跃状态的物品才能下架")
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}
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inactiveStatus := marketConsts.MarketStatusInactive
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updateReq := &marketDto.UpdateMarketReq{
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Id: item.Id,
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Status: &inactiveStatus,
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Updater: req.OperatorName,
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}
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if _, err = marketDao.Market.Update(ctx, updateReq); err != nil {
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return fmt.Errorf("更新市场物品失败: %w", err)
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}
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return nil
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}
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// UpdatePrice 更新价格
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func (s *market) UpdatePrice(ctx context.Context, req *marketDto.UpdatePriceReq) error {
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item, err := marketDao.Market.GetByID(ctx, req.ID)
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if err != nil {
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return err
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}
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if item == nil {
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return errors.New("市场物品不存在")
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}
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if item.Status != marketConsts.MarketStatusActive {
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return errors.New("只有活跃状态的物品才能更新价格")
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}
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updateReq := &marketDto.UpdateMarketReq{
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Id: item.Id,
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Price: &req.Price,
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Updater: req.OperatorName,
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}
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if _, err = marketDao.Market.Update(ctx, updateReq); err != nil {
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return fmt.Errorf("更新价格失败: %w", err)
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}
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return nil
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}
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// Buy 购买市场物品 - 调用order模块创建订单
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func (s *market) Buy(ctx context.Context, req *marketDto.BuyMarketReq) (string, error) {
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item, err := marketDao.Market.GetByID(ctx, req.MarketID)
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if err != nil {
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return "", err
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}
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if item == nil {
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return "", errors.New("市场物品不存在")
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}
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if err = s.canBeBought(item); err != nil {
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return "", err
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}
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// 检查买家不能是卖家
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if item.UserID == req.BuyerID {
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return "", errors.New("不能购买自己上架的物品")
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}
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// 调用order模块创建订单
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orderAddr, err := consul.GetInstanceAddr(ctx, "order")
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if err != nil {
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return "", fmt.Errorf("获取order服务地址失败: %w", err)
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}
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orderReq := map[string]interface{}{
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"user_id": req.BuyerID,
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"order_type": "market",
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"subject": item.AssetName,
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"description": item.Description,
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"order_items": []map[string]interface{}{
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{
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"asset_id": item.AssetID,
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"asset_name": item.AssetName,
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"asset_type": item.Type,
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"image_url": item.ImageURL,
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"stocks": []map[string]interface{}{
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{
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"stock_id": item.StockDetailID,
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"batch_id": item.BatchID,
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"batch_no": item.BatchNo,
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"quantity": 1,
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"price": item.Price,
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"stock_mode": item.StockMode,
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"stock_attrs": map[string]interface{}{
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"market_id": item.Id,
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"seller_id": item.UserID,
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},
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},
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},
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},
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},
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"shipping_info": map[string]interface{}{},
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}
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orderRes := &struct {
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Code int `json:"code"`
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Message string `json:"message"`
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Data struct {
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OrderNo string `json:"order_no"`
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TotalAmount int64 `json:"total_amount"`
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PayAmount int64 `json:"pay_amount"`
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ExpiredAt string `json:"expired_at"`
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} `json:"data"`
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}{}
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err = http.Post(ctx, fmt.Sprintf("http://%s/order/create", orderAddr), nil, orderRes, orderReq) // #nosec G107
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if err != nil {
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return "", fmt.Errorf("创建订单失败: %w", err)
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}
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// 更新市场物品状态为已售出
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soldStatus := marketConsts.MarketStatusSold
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updateReq := &marketDto.UpdateMarketReq{
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Id: item.Id,
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Status: &soldStatus,
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}
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if _, err = marketDao.Market.Update(ctx, updateReq); err != nil {
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return "", fmt.Errorf("更新市场物品失败: %w", err)
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}
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return orderRes.Data.OrderNo, nil
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}
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// ExpireExpiredItems 将过期的市场物品标记为过期状态（定时任务调用）
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func (s *market) ExpireExpiredItems(ctx context.Context) (int64, error) {
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expiredList, err := marketDao.Market.ListExpired(ctx)
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if err != nil {
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return 0, fmt.Errorf("查询过期物品失败: %w", err)
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}
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if len(expiredList) == 0 {
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return 0, nil
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}
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count := int64(len(expiredList))
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expiredStatus := marketConsts.MarketStatusExpired
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for _, item := range expiredList {
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updateReq := &marketDto.UpdateMarketReq{
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Id: item.Id,
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Status: &expiredStatus,
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}
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if _, err = marketDao.Market.Update(ctx, updateReq); err != nil {
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return count, fmt.Errorf("更新过期物品状态失败: %w", err)
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}
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}
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return count, nil
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}
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// canBeBought 检查市场物品是否可以购买
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func (s *market) canBeBought(item *marketEntity.Market) error {
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if item.Status != marketConsts.MarketStatusActive {
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return errors.New("物品状态不可购买")
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}
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if item.ListExpireAt != nil && *item.ListExpireAt < time.Now().Unix() {
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return errors.New("物品已过期")
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}
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return nil
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}
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// entityToItem 实体转换为Item
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func (s *market) entityToItem(e *marketEntity.Market) *marketDto.MarketItem {
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item := &marketDto.MarketItem{}
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if err := gconv.Struct(e, item); err != nil {
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return item
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}
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item.ID = e.Id
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item.Status = e.Status
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if e.CreatedAt != nil {
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item.CreatedAt = e.CreatedAt.String()
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}
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if e.UpdatedAt != nil {
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item.UpdatedAt = e.UpdatedAt.String()
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}
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return item
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}
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