From fbefb187eaffd927d36c84de3d5f3f02a817ff09 Mon Sep 17 00:00:00 2001
From: wood chen <wood@czl.net>
Date: Tue, 13 May 2025 11:12:11 +0800
Subject: [PATCH] =?UTF-8?q?=E9=87=8D=E6=9E=84UpdateProvider=E5=87=BD?=
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---
 backend/handlers/providers.go | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/backend/handlers/providers.go b/backend/handlers/providers.go
index 65c5158..de43857 100644
--- a/backend/handlers/providers.go
+++ b/backend/handlers/providers.go
@@ -96,36 +96,36 @@ func UpdateProvider(c *gin.Context) {
 		// 开始事务
 		tx := database.DB.Begin()
 
-		// 更新price表中的channel_type
+		// 1. 先创建新记录
+		provider.CreatedAt = time.Now()
+		provider.UpdatedAt = time.Now()
+		if err := tx.Create(&provider).Error; err != nil {
+			tx.Rollback()
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create new provider"})
+			return
+		}
+
+		// 2. 更新price表中的channel_type
 		if err := tx.Model(&models.Price{}).Where("channel_type = ?", oldID).Update("channel_type", provider.ID).Error; err != nil {
 			tx.Rollback()
 			c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to update price references"})
 			return
 		}
 
-		// 更新price表中的temp_channel_type
+		// 3. 更新price表中的temp_channel_type
 		if err := tx.Model(&models.Price{}).Where("temp_channel_type = ?", oldID).Update("temp_channel_type", provider.ID).Error; err != nil {
 			tx.Rollback()
 			c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to update price temp references"})
 			return
 		}
 
-		// 删除旧记录
+		// 4. 删除旧记录
 		if err := tx.Delete(&existingProvider).Error; err != nil {
 			tx.Rollback()
 			c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to delete old provider"})
 			return
 		}
 
-		// 创建新记录
-		provider.CreatedAt = time.Now()
-		provider.UpdatedAt = time.Now()
-		if err := tx.Create(&provider).Error; err != nil {
-			tx.Rollback()
-			c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create new provider"})
-			return
-		}
-
 		// 提交事务
 		if err := tx.Commit().Error; err != nil {
 			tx.Rollback()