邹方成
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feat(抽奖动态): 修复抽奖动态未渲染问题并优化文案展示 fix(用户概览): 修复用户概览无数据显示问题 feat(新用户列表): 在新用户列表显示称号明细 refactor(待办事项): 移除代办模块并全宽展示实时动态 feat(批量操作): 限制为单用户操作并在批量时提醒 fix(称号分配): 防重复分配称号的改造计划 perf(接口性能): 优化新用户和抽奖动态接口性能 feat(订单漏斗): 优化订单转化漏斗指标计算 docs(测试计划): 完善盲盒运营API核查与闭环测试计划
57 lines
1.7 KiB
Go
57 lines
1.7 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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"gorm.io/gorm"
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)
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func (s *service) AddCoupon(ctx context.Context, userID int64, couponID int64) error {
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tpl, err := s.readDB.SystemCoupons.WithContext(ctx).Where(s.readDB.SystemCoupons.ID.Eq(couponID)).First()
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if err != nil {
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return err
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}
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if tpl == nil || tpl.Status != 1 {
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return nil
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}
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// 配额检查：若 TotalQuantity > 0 则限制发放总量
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if tpl.TotalQuantity > 0 {
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issued, ierr := s.readDB.UserCoupons.WithContext(ctx).Where(s.readDB.UserCoupons.CouponID.Eq(couponID)).Count()
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if ierr != nil {
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return ierr
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}
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if issued >= tpl.TotalQuantity {
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return gorm.ErrInvalidData
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}
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}
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// 用户持有上限：同模板未使用的数量最多1张
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exist, eerr := s.readDB.UserCoupons.WithContext(ctx).
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Where(s.readDB.UserCoupons.UserID.Eq(userID)).
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Where(s.readDB.UserCoupons.CouponID.Eq(couponID)).
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Where(s.readDB.UserCoupons.Status.Eq(1)).
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Count()
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if eerr != nil {
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return eerr
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}
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if exist > 0 {
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return gorm.ErrInvalidData
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}
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item := &model.UserCoupons{UserID: userID, CouponID: couponID, Status: 1}
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if !tpl.ValidStart.IsZero() {
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item.ValidStart = tpl.ValidStart
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} else {
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item.ValidStart = time.Now()
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}
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if !tpl.ValidEnd.IsZero() {
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item.ValidEnd = tpl.ValidEnd
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}
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do := s.writeDB.UserCoupons.WithContext(ctx).Omit(s.readDB.UserCoupons.UsedAt, s.readDB.UserCoupons.UsedOrderID)
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if tpl.ValidEnd.IsZero() {
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do = do.Omit(s.writeDB.UserCoupons.ValidEnd)
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}
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return do.Create(item)
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}
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