feat(points): 增加双边积分与虚拟积分商城

backend/internal/modules/adminuser/dto.go

@@ -16,6 +16,7 @@ type UserDTO struct {
 	DepositFreeUsedCent           int64      `json:"deposit_free_used_cent"`
 	DepositFreeRemainingCent      int64      `json:"deposit_free_remaining_cent"`
 	RenterGrowthPoints            int64      `json:"renter_growth_points"`
+	PointsAvailable               int64      `json:"points_available"`
 	RenterGrowthLevel             string     `json:"renter_growth_level"`
 	RenterGrowthLevelName         string     `json:"renter_growth_level_name"`
 	AvailableBalanceCent          int64      `json:"available_balance_cent"`

backend/internal/modules/adminuser/repository.go

@@ -192,6 +192,12 @@ func (r *Repository) AdjustGrowthPoints(ctx context.Context, adminID uint64, use
 			return err
 		}
 		beforePoints := user.RenterGrowthPoints
+		beforeAvailable := user.PointsAvailable
+		pointsDelta := req.TargetPoints - beforePoints
+		afterAvailable := beforeAvailable + pointsDelta
+		if afterAvailable < 0 {
+			afterAvailable = 0
+		}
 		beforeLevel := rentergrowth.LevelForPoints(cfg, beforePoints)
 		afterLevel := rentergrowth.LevelForPoints(cfg, req.TargetPoints)
 		if !cfg.Enabled {
@@ -200,20 +206,25 @@ func (r *Repository) AdjustGrowthPoints(ctx context.Context, adminID uint64, use
 		}
 		user.RenterGrowthPoints = req.TargetPoints
 		user.RenterGrowthLevel = afterLevel.Code
+		user.PointsAvailable = afterAvailable
 		if err := tx.Save(&user).Error; err != nil {
 			return err
 		}
 		ledger := model.RenterGrowthLedger{
-			UserID:          user.ID,
-			Points:          req.TargetPoints - beforePoints,
-			BeforePoints:    beforePoints,
-			AfterPoints:     req.TargetPoints,
-			BeforeLevel:     beforeLevel.Code,
-			AfterLevel:      afterLevel.Code,
-			Source:          rentergrowth.SourceAdminAdjustment,
-			OperatorAdminID: &adminID,
-			Remark:          "后台调整成长积分: " + req.Reason,
-			CreatedAt:       time.Now(),
+			UserID:              user.ID,
+			Role:                "admin",
+			Points:              pointsDelta,
+			PointsMultiplierBps: afterLevel.PointsMultiplierBps,
+			BeforePoints:        beforePoints,
+			AfterPoints:         req.TargetPoints,
+			AvailableBefore:     beforeAvailable,
+			AvailableAfter:      afterAvailable,
+			BeforeLevel:         beforeLevel.Code,
+			AfterLevel:          afterLevel.Code,
+			Source:              rentergrowth.SourceAdminAdjustment,
+			OperatorAdminID:     &adminID,
+			Remark:              "后台调整成长积分: " + req.Reason,
+			CreatedAt:           time.Now(),
 		}
 		if err := tx.Create(&ledger).Error; err != nil {
 			return err
@@ -222,7 +233,7 @@ func (r *Repository) AdjustGrowthPoints(ctx context.Context, adminID uint64, use
 			"user_id":       user.ID,
 			"before_points": beforePoints,
 			"after_points":  req.TargetPoints,
-			"change_points": req.TargetPoints - beforePoints,
+			"change_points": pointsDelta,
 			"before_level":  beforeLevel.Code,
 			"after_level":   afterLevel.Code,
 			"reason":        req.Reason,
@@ -562,6 +573,7 @@ func (row userRow) toDTO(growthConfig rentergrowth.Config) UserDTO {
 		DepositFreeUsedCent:           row.DepositFreeUsedCent,
 		DepositFreeRemainingCent:      remaining,
 		RenterGrowthPoints:            row.RenterGrowthPoints,
+		PointsAvailable:               row.PointsAvailable,
 		RenterGrowthLevel:             level.Code,
 		RenterGrowthLevelName:         level.Name,
 		AvailableBalanceCent:          row.AvailableBalanceCent,