新增商品编号搜索

backend/internal/modules/listing/dto.go

@@ -10,6 +10,7 @@ import (
 
 type ListingDTO struct {
 	ID             uint64         `json:"id"`
+	ListingNo      string         `json:"listing_no"`
 	AccountID      uint64         `json:"account_id"`
 	OwnerID        uint64         `json:"owner_id"`
 	OwnerPhone     string         `json:"owner_phone,omitempty"`
@@ -187,6 +188,7 @@ type ExternalUploadMeta struct {
 type ExternalUploadResult struct {
 	Index        int    `json:"index"`
 	ListingID    uint64 `json:"listing_id,omitempty"`
+	ListingNo    string `json:"listing_no,omitempty"`
 	AccountID    uint64 `json:"account_id,omitempty"`
 	Status       string `json:"status,omitempty"`
 	ReviewStatus string `json:"review_status,omitempty"`
@@ -195,6 +197,7 @@ type ExternalUploadResult struct {
 
 type ExternalUploadResponse struct {
 	ListingID    uint64                 `json:"listing_id,omitempty"`
+	ListingNo    string                 `json:"listing_no,omitempty"`
 	AccountID    uint64                 `json:"account_id,omitempty"`
 	Status       string                 `json:"status,omitempty"`
 	ReviewStatus string                 `json:"review_status,omitempty"`

backend/internal/modules/listing/repository.go

@@ -50,6 +50,10 @@ func initialPublishState(reviewRequired bool) (string, string, *time.Time) {
 func (r *Repository) Create(ownerID uint64, req CreateRequest, reviewRequired bool) (*ListingDTO, error) {
 	var dto *ListingDTO
 	err := r.db.Transaction(func(tx *gorm.DB) error {
+		listingNo, err := r.nextListingNo(tx, time.Now())
+		if err != nil {
+			return err
+		}
 		screenshots, err := marshalScreenshots(req.ScreenshotURLS)
 		if err != nil {
 			return err
@@ -78,6 +82,7 @@ func (r *Repository) Create(ownerID uint64, req CreateRequest, reviewRequired bo
 		price := normalizedListingPrice(req)
 		depositAmount := roundMoney(req.DepositAmount)
 		listing := model.RentalListing{
+			ListingNo:     listingNo,
 			AccountID:     account.ID,
 			OwnerID:       ownerID,
 			Price:         price,
@@ -106,6 +111,10 @@ type externalUploadCreate struct {
 func (r *Repository) CreateFromExternalUpload(upload externalUploadCreate, req CreateRequest) (*ListingDTO, error) {
 	var dto *ListingDTO
 	err := r.db.Transaction(func(tx *gorm.DB) error {
+		listingNo, err := r.nextListingNo(tx, time.Now())
+		if err != nil {
+			return err
+		}
 		admin, err := r.findActiveUploadAdmin(tx, upload.UploaderName)
 		if err != nil {
 			return err
@@ -139,6 +148,7 @@ func (r *Repository) CreateFromExternalUpload(upload externalUploadCreate, req C
 			return err
 		}
 		listing := model.RentalListing{
+			ListingNo:     listingNo,
 			AccountID:     account.ID,
 			OwnerID:       owner.ID,
 			Price:         normalizedListingPrice(req),
@@ -1009,6 +1019,9 @@ func publicZoneCounts(items []ListingDTO) map[string]int64 {
 
 func publicSearchText(item ListingDTO) string {
 	parts := []string{
+		item.ListingNo,
+		strconv.FormatUint(item.ID, 10),
+		strconv.FormatUint(item.AccountID, 10),
 		item.Title,
 		item.Description,
 		item.RankLevel,
@@ -1303,6 +1316,39 @@ func (r *Repository) findForReviewUpdate(tx *gorm.DB, listingID uint64) (*model.
 	return &listing, &account, nil
 }
 
+func (r *Repository) nextListingNo(tx *gorm.DB, now time.Time) (string, error) {
+	bizDate := now.Format("20060102")
+	if tx.Dialector.Name() == "mysql" {
+		if err := tx.Exec(`
+			INSERT INTO listing_no_sequences (biz_date, next_seq)
+			VALUES (?, LAST_INSERT_ID(1))
+			ON DUPLICATE KEY UPDATE next_seq = LAST_INSERT_ID(next_seq + 1)
+		`, bizDate).Error; err != nil {
+			return "", err
+		}
+		var seq int
+		if err := tx.Raw("SELECT LAST_INSERT_ID()").Scan(&seq).Error; err != nil {
+			return "", err
+		}
+		return fmt.Sprintf("%s%04d", bizDate, seq), nil
+	}
+
+	var maxNo string
+	if err := tx.Table("rental_listings").
+		Select("COALESCE(MAX(listing_no), '')").
+		Where("listing_no LIKE ?", bizDate+"%").
+		Scan(&maxNo).Error; err != nil {
+		return "", err
+	}
+	seq := 1
+	if len(maxNo) > len(bizDate) {
+		if parsed, err := strconv.Atoi(maxNo[len(bizDate):]); err == nil {
+			seq = parsed + 1
+		}
+	}
+	return fmt.Sprintf("%s%04d", bizDate, seq), nil
+}
+
 type listingRow struct {
 	model.RentalListing
 	Title          string
@@ -1394,6 +1440,7 @@ func (row listingRow) toDTO() ListingDTO {
 	reviewStatus, reviewReason := normalizedReviewState(row.Status, row.ReviewStatus, row.ReviewReason)
 	return ListingDTO{
 		ID:             row.ID,
+		ListingNo:      row.ListingNo,
 		AccountID:      row.AccountID,
 		OwnerID:        row.OwnerID,
 		OwnerPhone:     row.OwnerPhone,
@@ -1427,6 +1474,7 @@ func toDTO(account model.GameAccount, listing model.RentalListing) *ListingDTO {
 	reviewStatus, reviewReason := normalizedReviewState(listing.Status, listing.ReviewStatus, listing.ReviewReason)
 	return &ListingDTO{
 		ID:             listing.ID,
+		ListingNo:      listing.ListingNo,
 		AccountID:      account.ID,
 		OwnerID:        listing.OwnerID,
 		Title:          account.Title,

backend/internal/modules/listing/service.go

@@ -150,6 +150,7 @@ func (s *Service) ImportExternalUpload(req ExternalUploadRequest, meta ExternalU
 		result := ExternalUploadResult{
 			Index:        index,
 			ListingID:    dto.ID,
+			ListingNo:    dto.ListingNo,
 			AccountID:    dto.AccountID,
 			Status:       dto.Status,
 			ReviewStatus: dto.ReviewStatus,
@@ -157,6 +158,7 @@ func (s *Service) ImportExternalUpload(req ExternalUploadRequest, meta ExternalU
 		results = append(results, result)
 		if len(items) == 1 {
 			resp.ListingID = dto.ID
+			resp.ListingNo = dto.ListingNo
 			resp.AccountID = dto.AccountID
 			resp.Status = dto.Status
 			resp.ReviewStatus = dto.ReviewStatus