89 lines
2.0 KiB
Go
89 lines
2.0 KiB
Go
package model
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import "github.com/codinl/go-logger"
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//go:generate goqueryset -in shopping_cart.go
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// gen:qs
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type ShoppingCart struct {
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Model
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Uid uint64 `json:"uid" gorm:"index"`
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GameCardId uint64 `json:"game_card_id"` // 游戏卡id
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Count uint32 `json:"count"` // 数量
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GameCard GameCard `json:"game_card" gorm:"-"`
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}
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func (*ShoppingCart) TableName() string {
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return "shopping_cart"
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}
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type ShoppingCartListReq struct {
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Uid uint32 `json:"uid"`
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PageNum int `json:"page_num"`
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PageSize int `json:"page_size"`
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}
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type ShoppingCartListResp struct {
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List []ShoppingCart `json:"list"`
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Total int `json:"total"`
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PageNum int `json:"page_num"`
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//PageSize int `json:"page_size"`
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}
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func (m *ShoppingCartListReq) List() (*ShoppingCartListResp, error) {
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resp := &ShoppingCartListResp{
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PageNum: m.PageNum,
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}
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page := m.PageNum - 1
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if page < 0 {
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page = 0
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}
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if m.PageSize == 0 {
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m.PageSize = 10
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}
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qs := NewShoppingCartQuerySet(DB).UidEq(uint64(m.Uid))
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count, err := qs.Count()
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if err != nil {
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logger.Error("err:", err)
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return resp, err
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}
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resp.Total = count/m.PageSize + 1
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var shoppingCart []ShoppingCart
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err = qs.OrderDescByID().Offset(page * m.PageSize).Limit(m.PageSize).All(&shoppingCart)
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if err != nil && err != RecordNotFound {
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logger.Error("err:", err)
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return resp, err
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}
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resp.List = ShoppingCartListSetGameCard(shoppingCart)
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return resp, nil
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}
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func ShoppingCartListSetGameCard(list []ShoppingCart) []ShoppingCart {
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if len(list) == 0 {
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return list
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}
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ids := make([]uint32, 0)
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for i, _ := range list {
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ids = append(ids, uint32(list[i].GameCardId))
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}
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var gameCards []GameCard
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err := NewGameCardQuerySet(DB).IDIn(ids...).All(&gameCards)
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if err != nil {
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logger.Error("err:", err)
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return list
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}
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gameCardMap := make(map[uint32]GameCard, 0)
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for i, _ := range gameCards {
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gameCardMap[gameCards[i].ID] = gameCards[i]
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}
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for i, _ := range list {
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v, ok := gameCardMap[uint32(list[i].GameCardId)]
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if ok {
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list[i].GameCard = v
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}
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}
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return list
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}
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