82 lines
2.5 KiB
Go
Executable File
82 lines
2.5 KiB
Go
Executable File
package user
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"bindbox-game/internal/repository/mysql/model"
|
|
)
|
|
|
|
func (s *service) ListCoupons(ctx context.Context, userID int64, page, pageSize int) (items []*model.UserCoupons, total int64, err error) {
|
|
return s.ListCouponsByStatus(ctx, userID, 1, page, pageSize)
|
|
}
|
|
|
|
// ListCouponsByStatus 按状态获取用户优惠券列表
|
|
func (s *service) ListCouponsByStatus(ctx context.Context, userID int64, status int32, page, pageSize int) (items []*model.UserCoupons, total int64, err error) {
|
|
q := s.readDB.UserCoupons.WithContext(ctx).ReadDB().Where(
|
|
s.readDB.UserCoupons.UserID.Eq(userID),
|
|
s.readDB.UserCoupons.Status.Eq(status),
|
|
)
|
|
total, err = q.Count()
|
|
if err != nil {
|
|
return nil, 0, err
|
|
}
|
|
if page <= 0 {
|
|
page = 1
|
|
}
|
|
if pageSize <= 0 {
|
|
pageSize = 20
|
|
}
|
|
if pageSize > 100 {
|
|
pageSize = 100
|
|
}
|
|
items, err = q.Order(s.readDB.UserCoupons.ID.Desc()).Offset((page - 1) * pageSize).Limit(pageSize).Find()
|
|
if err != nil {
|
|
return nil, 0, err
|
|
}
|
|
return items, total, nil
|
|
}
|
|
|
|
// ListAppCoupons APP端查看优惠券
|
|
// status=1 有效（未使用+使用中） status=2 已失效（用完+已使用+已过期）
|
|
func (s *service) ListAppCoupons(ctx context.Context, userID int64, status int32, page, pageSize int) (items []*model.UserCoupons, total int64, err error) {
|
|
u := s.readDB.UserCoupons
|
|
c := s.readDB.SystemCoupons
|
|
now := time.Now()
|
|
|
|
tableName := u.TableName()
|
|
sysTableName := c.TableName()
|
|
db := u.UnderlyingDB().WithContext(ctx).
|
|
Table(tableName).
|
|
Select("`"+tableName+"`.*").
|
|
Joins("LEFT JOIN `"+sysTableName+"` ON `"+sysTableName+"`.id = `"+tableName+"`.coupon_id").
|
|
Where("`"+tableName+"`.user_id = ?", userID)
|
|
|
|
switch status {
|
|
case 1: // 有效：余额 > 0 且 未过期
|
|
db = db.Where(tableName+".balance_amount > ? AND "+tableName+".valid_end > ? AND "+tableName+".status IN (?, ?, ?)", 0, now, 1, 2, 4)
|
|
case 2: // 已失效：余额用完 OR 已标记过期 OR 已过截止时间
|
|
db = db.Where("("+tableName+".balance_amount = ?) OR "+tableName+".status = ? OR "+tableName+".valid_end <= ?", 0, 3, now)
|
|
default:
|
|
db = db.Where(tableName+".balance_amount > ? AND "+tableName+".valid_end > ? AND "+tableName+".status IN (?, ?, ?)", 0, now, 1, 2, 4)
|
|
}
|
|
|
|
if err = db.Count(&total).Error; err != nil {
|
|
return nil, 0, err
|
|
}
|
|
|
|
if page <= 0 {
|
|
page = 1
|
|
}
|
|
if pageSize <= 0 {
|
|
pageSize = 20
|
|
}
|
|
|
|
err = db.Order("`" + tableName + "`.id DESC").Offset((page - 1) * pageSize).Limit(pageSize).Scan(&items).Error
|
|
if err != nil {
|
|
return nil, 0, err
|
|
}
|
|
|
|
return items, total, nil
|
|
}
|