拆分支付配置 Repository 文件职责

backend/internal/modules/paymentconfig/usage.go

@@ -0,0 +1,59 @@
+package paymentconfig
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	"hfb_sys/backend/internal/model"
+
+	"gorm.io/gorm"
+)
+
+// IncrementUsage 增加使用统计
+func (r *Repository) IncrementUsage(ctx context.Context, id uint64, amountCent int64) error {
+	now := time.Now()
+	return r.db.WithContext(ctx).Model(&model.PaymentMerchantConfig{}).Where("id = ?", id).Updates(map[string]any{
+		"total_transactions": gorm.Expr("total_transactions + ?", 1),
+		"total_amount_cent":  gorm.Expr("total_amount_cent + ?", amountCent),
+		"last_used_at":       now,
+	}).Error
+}
+
+// RecordUsage 记录支付配置命中情况，同一个支付单只记录一次。
+
+// RecordUsage 记录支付配置命中情况，同一个支付单只记录一次。
+func (r *Repository) RecordUsage(ctx context.Context, configID uint64, paymentOrderID uint64, provider string, merchantID string, amountCent int64, bizType string) error {
+	if configID == 0 || paymentOrderID == 0 {
+		return nil
+	}
+	return r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+		var existing model.PaymentConfigUsageLog
+		err := tx.Where("payment_order_id = ?", paymentOrderID).First(&existing).Error
+		if err == nil {
+			return nil
+		}
+		if !errors.Is(err, gorm.ErrRecordNotFound) {
+			return err
+		}
+		log := model.PaymentConfigUsageLog{
+			ConfigID:       configID,
+			PaymentOrderID: paymentOrderID,
+			Provider:       provider,
+			MerchantID:     merchantID,
+			AmountCent:     amountCent,
+			BizType:        bizType,
+		}
+		if err := tx.Create(&log).Error; err != nil {
+			return err
+		}
+		now := time.Now()
+		return tx.Model(&model.PaymentMerchantConfig{}).Where("id = ?", configID).Updates(map[string]any{
+			"total_transactions": gorm.Expr("total_transactions + ?", 1),
+			"total_amount_cent":  gorm.Expr("total_amount_cent + ?", amountCent),
+			"last_used_at":       now,
+		}).Error
+	})
+}
+
+// deactivateOtherConfigs 保证全局同一时间只有一个启用配置。