307 lines
8.3 KiB
Go
307 lines
8.3 KiB
Go
package user
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import (
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"context"
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"time"
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"bindbox-game/internal/repository/mysql/model"
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)
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type InventoryWithProduct struct {
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*model.UserInventory
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ProductName string `json:"product_name"`
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ProductImages string `json:"product_images"`
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ProductPrice int64 `json:"product_price"` // 新增价格字段
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HasShipment bool `json:"has_shipment"`
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ShippingStatus int32 `json:"shipping_status"`
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}
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type AggregatedInventory struct {
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ProductID int64 `json:"product_id"`
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ProductName string `json:"product_name"`
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ProductImages string `json:"product_images"`
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ProductPrice int64 `json:"product_price"`
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Count int64 `json:"count"`
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InventoryIDs []int64 `json:"inventory_ids"`
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HasShipment bool `json:"has_shipment"`
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ShippingStatus int32 `json:"shipping_status"`
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Status int32 `json:"status"` // 用于区分 1持有 3已处理
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UpdatedAt string `json:"updated_at"`
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}
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func (s *service) ListInventoryWithProduct(ctx context.Context, userID int64, page, pageSize int) (items []*InventoryWithProduct, total int64, err error) {
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q := s.readDB.UserInventory.WithContext(ctx).ReadDB().Where(s.readDB.UserInventory.UserID.Eq(userID))
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total, err = q.Count()
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if err != nil {
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return nil, 0, err
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}
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if page <= 0 {
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page = 1
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}
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if pageSize <= 0 {
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pageSize = 20
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}
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if pageSize > 100 {
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pageSize = 100
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}
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rows, err := q.Order(s.readDB.UserInventory.ID.Desc()).Offset((page - 1) * pageSize).Limit(pageSize).Find()
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if err != nil {
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return nil, 0, err
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}
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pidMap := make(map[int64]struct{})
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invIDs := make([]int64, 0, len(rows))
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for _, r := range rows {
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invIDs = append(invIDs, r.ID)
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if r.ProductID > 0 {
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pidMap[r.ProductID] = struct{}{}
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}
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}
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products := map[int64]*model.Products{}
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if len(pidMap) > 0 {
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ids := make([]int64, 0, len(pidMap))
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for id := range pidMap {
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ids = append(ids, id)
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}
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pros, err := s.readDB.Products.WithContext(ctx).ReadDB().Where(s.readDB.Products.ID.In(ids...)).Find()
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if err != nil {
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return nil, 0, err
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}
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for _, p := range pros {
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products[p.ID] = p
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}
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}
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// 查询发货记录，按 inventory 维度取最新状态
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shipMap := map[int64]*model.ShippingRecords{}
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if len(invIDs) > 0 {
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ships, _ := s.readDB.ShippingRecords.WithContext(ctx).ReadDB().Where(s.readDB.ShippingRecords.InventoryID.In(invIDs...)).Order(s.readDB.ShippingRecords.UpdatedAt.Desc(), s.readDB.ShippingRecords.ID.Desc()).Find()
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for _, sh := range ships {
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if _, ok := shipMap[sh.InventoryID]; !ok {
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shipMap[sh.InventoryID] = sh
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}
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}
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}
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items = make([]*InventoryWithProduct, len(rows))
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for i, r := range rows {
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p := products[r.ProductID]
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name := ""
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images := ""
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var price int64
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if p != nil {
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name = p.Name
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images = p.ImagesJSON
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price = p.Price
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}
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sh := shipMap[r.ID]
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has := sh != nil && sh.Status != 5
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var st int32
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if sh != nil {
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st = sh.Status
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}
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items[i] = &InventoryWithProduct{
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UserInventory: r,
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ProductName: name,
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ProductImages: images,
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ProductPrice: price,
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HasShipment: has,
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ShippingStatus: st,
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}
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}
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return items, total, nil
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}
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func (s *service) ListInventoryWithProductActive(ctx context.Context, userID int64, page, pageSize int, status int32) (items []*InventoryWithProduct, total int64, err error) {
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q := s.readDB.UserInventory.WithContext(ctx).ReadDB().Where(
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s.readDB.UserInventory.UserID.Eq(userID),
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)
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if status > 0 {
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q = q.Where(s.readDB.UserInventory.Status.Eq(status))
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} else {
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q = q.Where(s.readDB.UserInventory.Status.Neq(2))
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}
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total, err = q.Count()
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if err != nil {
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return nil, 0, err
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}
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if page <= 0 {
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page = 1
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}
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if pageSize <= 0 {
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pageSize = 20
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}
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if pageSize > 100 {
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pageSize = 100
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}
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rows, err := q.Order(s.readDB.UserInventory.ID.Desc()).Offset((page - 1) * pageSize).Limit(pageSize).Find()
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if err != nil {
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return nil, 0, err
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}
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pidMap := make(map[int64]struct{})
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invIDs := make([]int64, 0, len(rows))
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for _, r := range rows {
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invIDs = append(invIDs, r.ID)
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if r.ProductID > 0 {
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pidMap[r.ProductID] = struct{}{}
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}
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}
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products := map[int64]*model.Products{}
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if len(pidMap) > 0 {
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ids := make([]int64, 0, len(pidMap))
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for id := range pidMap {
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ids = append(ids, id)
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}
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pros, err := s.readDB.Products.WithContext(ctx).ReadDB().Where(s.readDB.Products.ID.In(ids...)).Find()
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if err != nil {
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return nil, 0, err
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}
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for _, p := range pros {
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products[p.ID] = p
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}
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}
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shipMap := map[int64]*model.ShippingRecords{}
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if len(invIDs) > 0 {
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ships, _ := s.readDB.ShippingRecords.WithContext(ctx).ReadDB().Where(s.readDB.ShippingRecords.InventoryID.In(invIDs...)).Order(s.readDB.ShippingRecords.UpdatedAt.Desc(), s.readDB.ShippingRecords.ID.Desc()).Find()
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for _, sh := range ships {
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if _, ok := shipMap[sh.InventoryID]; !ok {
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shipMap[sh.InventoryID] = sh
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}
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}
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}
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items = make([]*InventoryWithProduct, len(rows))
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for i, r := range rows {
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p := products[r.ProductID]
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name := ""
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images := ""
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var price int64
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if p != nil {
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name = p.Name
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images = p.ImagesJSON
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price = p.Price
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}
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sh := shipMap[r.ID]
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has := sh != nil && sh.Status != 5
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var st int32
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if sh != nil {
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st = sh.Status
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}
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items[i] = &InventoryWithProduct{
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UserInventory: r,
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ProductName: name,
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ProductImages: images,
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ProductPrice: price,
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HasShipment: has,
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ShippingStatus: st,
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}
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}
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return items, total, nil
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}
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func (s *service) ListInventoryAggregated(ctx context.Context, userID int64, page, pageSize int, status int32) (items []*AggregatedInventory, total int64, err error) {
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if page <= 0 {
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page = 1
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}
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if pageSize <= 0 {
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pageSize = 20
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}
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if pageSize > 100 {
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pageSize = 100
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}
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// 1. 获取聚合后的商品ID列表 (GROUP BY product_id, status)
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var groupResults []struct {
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ProductID int64 `gorm:"column:product_id"`
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Status int32 `gorm:"column:status"`
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Count int64 `gorm:"column:count"`
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UpdatedAt time.Time `gorm:"column:updated_at"`
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}
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q := s.readDB.UserInventory.WithContext(ctx).ReadDB().
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Select(
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s.readDB.UserInventory.ProductID,
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s.readDB.UserInventory.Status,
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s.readDB.UserInventory.ID.Count().As("count"),
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s.readDB.UserInventory.UpdatedAt.Max().As("updated_at"),
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).
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Where(s.readDB.UserInventory.UserID.Eq(userID))
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if status > 0 {
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q = q.Where(s.readDB.UserInventory.Status.Eq(status))
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} else {
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q = q.Where(s.readDB.UserInventory.Status.Neq(2))
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}
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// 分组逻辑
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err = q.Group(s.readDB.UserInventory.ProductID, s.readDB.UserInventory.Status).
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Order(s.readDB.UserInventory.UpdatedAt.Max().Desc()).
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Scan(&groupResults)
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if err != nil {
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return nil, 0, err
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}
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total = int64(len(groupResults))
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start := (page - 1) * pageSize
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if start >= len(groupResults) {
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return []*AggregatedInventory{}, total, nil
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}
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end := start + pageSize
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if end > len(groupResults) {
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end = len(groupResults)
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}
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pagedGroups := groupResults[start:end]
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// 2. 获取商品详情和发货状态
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items = make([]*AggregatedInventory, 0, len(pagedGroups))
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for _, g := range pagedGroups {
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// 查询该分组下的所有 inventory id
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var invIDs []int64
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s.readDB.UserInventory.WithContext(ctx).ReadDB().
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Select(s.readDB.UserInventory.ID).
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Where(
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s.readDB.UserInventory.UserID.Eq(userID),
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s.readDB.UserInventory.ProductID.Eq(g.ProductID),
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s.readDB.UserInventory.Status.Eq(g.Status),
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).Scan(&invIDs)
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// 获取商品元数据
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p, _ := s.readDB.Products.WithContext(ctx).ReadDB().Where(s.readDB.Products.ID.Eq(g.ProductID)).First()
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name := "未知商品"
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images := ""
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var price int64
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if p != nil {
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name = p.Name
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images = p.ImagesJSON
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price = p.Price
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}
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// 检查发货状态 (取其中一个 inv id 检查即可)
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var hasShip bool
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var shipStatus int32
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if len(invIDs) > 0 {
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ship, _ := s.readDB.ShippingRecords.WithContext(ctx).ReadDB().
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Where(s.readDB.ShippingRecords.InventoryID.Eq(invIDs[0])).
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Where(s.readDB.ShippingRecords.Status.Neq(5)).
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Order(s.readDB.ShippingRecords.ID.Desc()).
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First()
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if ship != nil {
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hasShip = true
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shipStatus = ship.Status
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}
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}
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items = append(items, &AggregatedInventory{
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ProductID: g.ProductID,
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ProductName: name,
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ProductImages: images,
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ProductPrice: price,
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Count: g.Count,
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InventoryIDs: invIDs,
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HasShipment: hasShip,
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ShippingStatus: shipStatus,
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Status: g.Status,
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UpdatedAt: g.UpdatedAt.Format("2006-01-02 15:04:05"),
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})
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}
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return items, total, nil
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}
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