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321 lines
11 KiB
Go
321 lines
11 KiB
Go
package activity
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import (
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"bindbox-game/internal/pkg/core"
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"bindbox-game/internal/pkg/logger"
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"bindbox-game/internal/repository/mysql"
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"bindbox-game/internal/repository/mysql/dao"
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"bindbox-game/internal/repository/mysql/model"
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titlesvc "bindbox-game/internal/service/title"
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usersvc "bindbox-game/internal/service/user"
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"context"
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"encoding/json"
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"fmt"
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"time"
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)
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// ActivityOrderService 活动订单创建服务
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// 统一处理一番赏和对对碰的订单创建逻辑
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type ActivityOrderService interface {
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// CreateActivityOrder 创建活动订单
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// 统一处理优惠券、称号折扣、道具卡记录等
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CreateActivityOrder(ctx core.Context, req CreateActivityOrderRequest) (*CreateActivityOrderResult, error)
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}
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// CreateActivityOrderRequest 订单创建请求
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type CreateActivityOrderRequest struct {
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UserID int64 // 用户ID
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ActivityID int64 // 活动ID
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IssueID int64 // 期ID
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Count int64 // 数量
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UnitPrice int64 // 单价（分）
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SourceType int32 // 订单来源类型: 2=抽奖, 3=对对碰
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CouponID *int64 // 优惠券ID（可选）
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ItemCardID *int64 // 道具卡ID（可选）
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ExtraRemark string // 额外备注信息
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}
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// CreateActivityOrderResult 订单创建结果
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type CreateActivityOrderResult struct {
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Order *model.Orders // 创建的订单
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AppliedCouponVal int64 // 应用的优惠券抵扣金额
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}
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type activityOrderService struct {
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logger logger.CustomLogger
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readDB *dao.Query
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writeDB *dao.Query
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repo mysql.Repo
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title titlesvc.Service
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user usersvc.Service
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}
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// NewActivityOrderService 创建活动订单服务
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func NewActivityOrderService(l logger.CustomLogger, db mysql.Repo) ActivityOrderService {
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return &activityOrderService{
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logger: l,
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readDB: dao.Use(db.GetDbR()),
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writeDB: dao.Use(db.GetDbW()),
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repo: db,
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title: titlesvc.New(l, db),
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user: usersvc.New(l, db),
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}
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}
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// CreateActivityOrder 创建活动订单
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func (s *activityOrderService) CreateActivityOrder(ctx core.Context, req CreateActivityOrderRequest) (*CreateActivityOrderResult, error) {
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userID := req.UserID
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count := req.Count
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if count <= 0 {
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count = 1
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}
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total := req.UnitPrice * count
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// 1. 创建订单基础信息
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orderNo := fmt.Sprintf("O%s", time.Now().Format("20060102150405"))
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order := &model.Orders{
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UserID: userID,
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OrderNo: orderNo,
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SourceType: req.SourceType,
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TotalAmount: total,
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ActualAmount: total,
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Status: 1, // Pending
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CreatedAt: time.Now(),
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UpdatedAt: time.Now(),
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}
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// 设置备注
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if req.ExtraRemark != "" {
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order.Remark = req.ExtraRemark
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} else {
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order.Remark = fmt.Sprintf("activity:%d|issue:%d|count:%d", req.ActivityID, req.IssueID, count)
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}
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// 记录优惠券和道具卡信息（显式字段 + 备注追加）
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if req.CouponID != nil && *req.CouponID > 0 {
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order.CouponID = *req.CouponID
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order.Remark += fmt.Sprintf("|coupon:%d", *req.CouponID)
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}
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if req.ItemCardID != nil && *req.ItemCardID > 0 {
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order.ItemCardID = *req.ItemCardID
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order.Remark += fmt.Sprintf("|itemcard:%d", *req.ItemCardID)
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}
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// 2. 应用称号折扣 (Title Discount)
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titleEffects, _ := s.title.ResolveActiveEffects(ctx.RequestContext(), userID, titlesvc.EffectScope{
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ActivityID: &req.ActivityID,
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IssueID: &req.IssueID,
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})
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for _, ef := range titleEffects {
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if ef.EffectType == 2 { // Discount effect
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var p struct {
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DiscountType string `json:"discount_type"`
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ValueX1000 int64 `json:"value_x1000"`
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MaxDiscountX1000 int64 `json:"max_discount_x1000"`
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}
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if jsonErr := json.Unmarshal([]byte(ef.ParamsJSON), &p); jsonErr == nil {
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var discount int64
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if p.DiscountType == "percentage" {
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discount = order.ActualAmount * p.ValueX1000 / 1000
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} else if p.DiscountType == "fixed" {
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discount = p.ValueX1000
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}
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if p.MaxDiscountX1000 > 0 && discount > p.MaxDiscountX1000 {
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discount = p.MaxDiscountX1000
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}
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if discount > order.ActualAmount {
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discount = order.ActualAmount
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}
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if discount > 0 {
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order.ActualAmount -= discount
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order.Remark += fmt.Sprintf("|title_discount:%d:%d", ef.ID, discount)
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}
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}
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}
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}
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// 3. 应用优惠券 (using applyCouponWithCap logic)
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var appliedCouponVal int64
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if req.CouponID != nil && *req.CouponID > 0 {
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fmt.Printf("[订单服务] 尝试优惠券 用户券ID=%d 应用前实付(分)=%d\n", *req.CouponID, order.ActualAmount)
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appliedCouponVal = s.applyCouponWithCap(ctx.RequestContext(), userID, order, req.ActivityID, *req.CouponID)
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fmt.Printf("[订单服务] 优惠后 实付(分)=%d 累计优惠(分)=%d\n", order.ActualAmount, order.DiscountAmount)
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}
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// 4. 记录道具卡到备注 (Removed duplicate append here as it was already done in Step 1)
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// Log for debugging
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if req.ItemCardID != nil && *req.ItemCardID > 0 {
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fmt.Printf("[订单服务] 尝试道具卡 用户卡ID=%d 订单号=%s\n", *req.ItemCardID, order.OrderNo)
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}
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// 5. 保存订单
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if err := s.writeDB.Orders.WithContext(ctx.RequestContext()).Omit(s.writeDB.Orders.PaidAt, s.writeDB.Orders.CancelledAt).Create(order); err != nil {
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return nil, err
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}
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// 6. 记录优惠券使用明细
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if appliedCouponVal > 0 && req.CouponID != nil && *req.CouponID > 0 {
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_ = s.user.RecordOrderCouponUsage(ctx.RequestContext(), order.ID, *req.CouponID, appliedCouponVal)
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}
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// 7. 处理0元订单自动支付
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if order.ActualAmount == 0 {
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now := time.Now()
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_, _ = s.writeDB.Orders.WithContext(ctx.RequestContext()).Where(s.writeDB.Orders.OrderNo.Eq(orderNo)).Updates(map[string]any{
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s.writeDB.Orders.Status.ColumnName().String(): 2,
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s.writeDB.Orders.PaidAt.ColumnName().String(): now,
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})
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order.Status = 2
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// 核销优惠券
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if req.CouponID != nil && *req.CouponID > 0 {
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s.consumeCouponOnZeroPay(ctx.RequestContext(), userID, order.ID, *req.CouponID, appliedCouponVal, now)
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}
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}
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fmt.Printf("[订单服务] 订单创建完成 订单号=%s 总额(分)=%d 优惠(分)=%d 实付(分)=%d 状态=%d\n",
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order.OrderNo, order.TotalAmount, order.DiscountAmount, order.ActualAmount, order.Status)
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return &CreateActivityOrderResult{
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Order: order,
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AppliedCouponVal: appliedCouponVal,
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}, nil
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}
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// applyCouponWithCap 优惠券抵扣（含50%封顶与金额券部分使用）
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func (s *activityOrderService) applyCouponWithCap(ctx context.Context, userID int64, order *model.Orders, activityID int64, userCouponID int64) int64 {
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uc, _ := s.readDB.UserCoupons.WithContext(ctx).Where(s.readDB.UserCoupons.ID.Eq(userCouponID), s.readDB.UserCoupons.UserID.Eq(userID), s.readDB.UserCoupons.Status.Eq(1)).First()
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if uc == nil {
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return 0
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}
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fmt.Printf("[优惠券] 用户券ID=%d 开始=%s 结束=%s\n", userCouponID, uc.ValidStart.Format(time.RFC3339), func() string {
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if uc.ValidEnd.IsZero() {
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return "无截止"
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}
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return uc.ValidEnd.Format(time.RFC3339)
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}())
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sc, _ := s.readDB.SystemCoupons.WithContext(ctx).Where(s.readDB.SystemCoupons.ID.Eq(uc.CouponID), s.readDB.SystemCoupons.Status.Eq(1)).First()
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now := time.Now()
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if sc == nil {
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fmt.Printf("[优惠券] 模板不存在 用户券ID=%d\n", userCouponID)
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return 0
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}
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if uc.ValidStart.After(now) {
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fmt.Printf("[优惠券] 未到开始时间 用户券ID=%d\n", userCouponID)
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return 0
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}
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if !uc.ValidEnd.IsZero() && uc.ValidEnd.Before(now) {
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fmt.Printf("[优惠券] 已过期 用户券ID=%d\n", userCouponID)
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return 0
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}
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scopeOK := (sc.ScopeType == 1) || (sc.ScopeType == 2 && sc.ActivityID == activityID)
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if !scopeOK {
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fmt.Printf("[优惠券] 范围不匹配 用户券ID=%d scope_type=%d\n", userCouponID, sc.ScopeType)
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return 0
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}
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if order.TotalAmount < sc.MinSpend {
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fmt.Printf("[优惠券] 未达使用门槛 用户券ID=%d min_spend(分)=%d 订单总额(分)=%d\n", userCouponID, sc.MinSpend, order.TotalAmount)
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return 0
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}
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// 50% 封顶
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cap := order.TotalAmount / 2
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remainingCap := cap - order.DiscountAmount
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if remainingCap <= 0 {
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fmt.Printf("[优惠券] 已达封顶\n")
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return 0
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}
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applied := int64(0)
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switch sc.DiscountType {
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case 1: // 金额券
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var bal int64
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_ = s.repo.GetDbR().Raw("SELECT COALESCE(balance_amount,0) FROM user_coupons WHERE id=?", userCouponID).Scan(&bal).Error
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if bal <= 0 {
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bal = sc.DiscountValue
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}
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if bal > 0 {
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if bal > remainingCap {
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applied = remainingCap
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} else {
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applied = bal
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}
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}
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case 2: // 满减券
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applied = sc.DiscountValue
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if applied > remainingCap {
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applied = remainingCap
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}
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case 3: // 折扣券
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rate := sc.DiscountValue
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if rate < 0 {
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rate = 0
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}
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if rate > 1000 {
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rate = 1000
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}
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newAmt := order.ActualAmount * rate / 1000
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d := order.ActualAmount - newAmt
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if d > remainingCap {
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applied = remainingCap
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} else {
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applied = d
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}
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}
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if applied > order.ActualAmount {
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applied = order.ActualAmount
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}
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if applied <= 0 {
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return 0
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}
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order.ActualAmount -= applied
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order.DiscountAmount += applied
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order.Remark += fmt.Sprintf("|c:%d:%d", userCouponID, applied)
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fmt.Printf("[优惠券] 本次抵扣(分)=%d\n", applied)
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return applied
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}
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// consumeCouponOnZeroPay 0元支付时核销优惠券
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func (s *activityOrderService) consumeCouponOnZeroPay(ctx context.Context, userID int64, orderID int64, userCouponID int64, applied int64, now time.Time) {
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uc, _ := s.readDB.UserCoupons.WithContext(ctx).Where(s.readDB.UserCoupons.ID.Eq(userCouponID), s.readDB.UserCoupons.UserID.Eq(userID)).First()
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if uc == nil {
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return
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}
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sc, _ := s.readDB.SystemCoupons.WithContext(ctx).Where(s.readDB.SystemCoupons.ID.Eq(uc.CouponID)).First()
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if sc == nil {
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return
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}
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if sc.DiscountType == 1 { // 金额券 - 部分扣减
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var bal int64
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_ = s.repo.GetDbR().Raw("SELECT COALESCE(balance_amount,0) FROM user_coupons WHERE id=?", userCouponID).Scan(&bal).Error
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nb := bal - applied
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if nb < 0 {
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nb = 0
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}
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if nb == 0 {
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_, _ = s.writeDB.UserCoupons.WithContext(ctx).Where(s.readDB.UserCoupons.ID.Eq(userCouponID)).Updates(map[string]any{
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"balance_amount": nb,
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s.readDB.UserCoupons.Status.ColumnName().String(): 2,
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s.readDB.UserCoupons.UsedOrderID.ColumnName().String(): orderID,
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s.readDB.UserCoupons.UsedAt.ColumnName().String(): now,
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})
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} else {
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_, _ = s.writeDB.UserCoupons.WithContext(ctx).Where(s.readDB.UserCoupons.ID.Eq(userCouponID)).Updates(map[string]any{
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"balance_amount": nb,
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s.readDB.UserCoupons.UsedOrderID.ColumnName().String(): orderID,
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s.readDB.UserCoupons.UsedAt.ColumnName().String(): now,
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})
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}
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} else { // 满减/折扣券 - 直接核销
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_, _ = s.writeDB.UserCoupons.WithContext(ctx).Where(s.readDB.UserCoupons.ID.Eq(userCouponID)).Updates(map[string]any{
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s.readDB.UserCoupons.Status.ColumnName().String(): 2,
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s.readDB.UserCoupons.UsedOrderID.ColumnName().String(): orderID,
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s.readDB.UserCoupons.UsedAt.ColumnName().String(): now,
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})
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}
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}
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