healthapp
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package logic
import (
"context"
"healthapi/internal/model"
"healthapi/internal/svc"
"healthapi/internal/types"
"healthapi/pkg/errorx"
"github.com/zeromicro/go-zero/core/logx"
)
type GetPurchaseHistoryLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
}
func NewGetPurchaseHistoryLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetPurchaseHistoryLogic {
return &GetPurchaseHistoryLogic{
Logger: logx.WithContext(ctx),
ctx: ctx,
svcCtx: svcCtx,
}
}
func (l *GetPurchaseHistoryLogic) GetPurchaseHistory(req *types.PageReq) (resp *types.PurchaseHistoryResp, err error) {
userID, err := GetUserIDFromCtx(l.ctx)
if err != nil {
return nil, errorx.ErrUnauthorized
}
var histories []model.PurchaseHistory
var total int64
query := l.svcCtx.DB.Model(&model.PurchaseHistory{}).Where("user_id = ?", userID)
query.Count(&total)
offset := (req.Page - 1) * req.PageSize
query.Order("purchased_at DESC").Offset(offset).Limit(req.PageSize).Find(&histories)
resp = &types.PurchaseHistoryResp{
History: make([]types.PurchaseHistory, 0, len(histories)),
PageInfo: types.PageInfo{
Total: total,
Page: req.Page,
PageSize: req.PageSize,
},
}
for _, h := range histories {
resp.History = append(resp.History, types.PurchaseHistory{
ID: uint(h.ID),
UserID: h.UserID,
OrderNo: h.OrderNo,
ProductID: h.ProductID,
ProductName: h.ProductName,
PurchasedAt: h.PurchasedAt.Format("2006-01-02 15:04:05"),
Source: h.Source,
})
}
return resp, nil
}