feat: 实现注册优惠码功能
- 支持创建/编辑/删除优惠码,设置赠送金额和使用限制 - 注册页面实时验证优惠码并显示赠送金额 - 支持 URL 参数自动填充 (?promo=CODE) - 添加优惠码验证接口速率限制 - 使用数据库行锁防止并发超限 - 新增后台优惠码管理页面,支持复制注册链接
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@@ -370,3 +370,35 @@ func BulkAssignResultFromService(r *service.BulkAssignResult) *BulkAssignResult
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Errors: r.Errors,
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}
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}
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func PromoCodeFromService(pc *service.PromoCode) *PromoCode {
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if pc == nil {
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return nil
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}
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return &PromoCode{
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ID: pc.ID,
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Code: pc.Code,
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BonusAmount: pc.BonusAmount,
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MaxUses: pc.MaxUses,
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UsedCount: pc.UsedCount,
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Status: pc.Status,
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ExpiresAt: pc.ExpiresAt,
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Notes: pc.Notes,
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CreatedAt: pc.CreatedAt,
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UpdatedAt: pc.UpdatedAt,
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}
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}
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func PromoCodeUsageFromService(u *service.PromoCodeUsage) *PromoCodeUsage {
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if u == nil {
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return nil
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}
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return &PromoCodeUsage{
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ID: u.ID,
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PromoCodeID: u.PromoCodeID,
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UserID: u.UserID,
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BonusAmount: u.BonusAmount,
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UsedAt: u.UsedAt,
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User: UserFromServiceShallow(u.User),
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}
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}
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