更新

soul-api/internal/handler/referral_commission.go

@@ -1,79 +0,0 @@
-package handler
-
-import (
-	"encoding/json"
-	"time"
-
-	"soul-api/internal/model"
-
-	"gorm.io/gorm"
-)
-
-// computeOrderCommission 按订单计算应付给推广者的佣金
-// 会员订单：推广者会员 20%、非会员 10%；内容订单：90%（好友优惠 5% 仅针对内容）
-// order: 已支付订单，需有 product_type、amount、referrer_id
-// referrerUser: 推广者用户信息，用于判断 is_vip（可为 nil，会查库）
-// preloadConfig: 可选，预加载的 referral_config，避免 N+1 查询
-func computeOrderCommission(db *gorm.DB, order *model.Order, referrerUser *model.User, preloadConfig ...*model.SystemConfig) float64 {
-	if order == nil || order.ReferrerID == nil || *order.ReferrerID == "" {
-		return 0
-	}
-	// 读取推广配置
-	distributorShare := 0.9
-	userDiscount := 0.0
-	vipOrderShareVip := 20.0
-	vipOrderShareNonVip := 10.0
-	var cfg *model.SystemConfig
-	if len(preloadConfig) > 0 && preloadConfig[0] != nil {
-		cfg = preloadConfig[0]
-	} else if row, err := (func() (*model.SystemConfig, error) {
-		var r model.SystemConfig
-		e := db.Where("config_key = ?", "referral_config").First(&r).Error
-		return &r, e
-	})(); err == nil {
-		cfg = row
-	}
-	if cfg != nil {
-		var config map[string]interface{}
-		if err := json.Unmarshal(cfg.ConfigValue, &config); err == nil {
-			if share, ok := config["distributorShare"].(float64); ok {
-				distributorShare = share / 100
-			}
-			if disc, ok := config["userDiscount"].(float64); ok {
-				userDiscount = disc / 100
-			}
-			if v, ok := config["vipOrderShareVip"].(float64); ok {
-				vipOrderShareVip = v / 100
-			}
-			if v, ok := config["vipOrderShareNonVip"].(float64); ok {
-				vipOrderShareNonVip = v / 100
-			}
-		}
-	}
-	// 会员订单：无好友优惠，按推广者是否会员分 20%/10%
-	if order.ProductType == "vip" {
-		base := order.Amount
-		var referrer model.User
-		if referrerUser != nil {
-			referrer = *referrerUser
-		} else if err := db.Where("id = ?", *order.ReferrerID).First(&referrer).Error; err != nil {
-			return 0
-		}
-		isVip := referrer.IsVip != nil && *referrer.IsVip
-		if referrer.VipExpireDate != nil && referrer.VipExpireDate.Before(time.Now()) {
-			isVip = false
-		}
-		if isVip {
-			return base * vipOrderShareVip
-		}
-		return base * vipOrderShareNonVip
-	}
-	// 内容订单：若有推荐人且 userDiscount>0，反推原价；否则按实付
-	commissionBase := order.Amount
-	if userDiscount > 0 && (order.ReferrerID != nil && *order.ReferrerID != "" || (order.ReferralCode != nil && *order.ReferralCode != "")) {
-		if (1 - userDiscount) > 0 {
-			commissionBase = order.Amount / (1 - userDiscount)
-		}
-	}
-	return commissionBase * distributorShare
-}