feat: product.

controllers/gateway.go

@@ -1,6 +1,7 @@
 package controllers
 
 import (
+	"encoding/json"
 	"errors"
 	"hr_receiver/config"
 	"hr_receiver/models"
@@ -122,6 +123,10 @@ func (gc *GatewayAdminController) Create(c *gin.Context) {
 		writeError(c, http.StatusInternalServerError, "保存网关失败")
 		return
 	}
+	if err := gc.syncGatewayInventory(record); err != nil {
+		writeError(c, http.StatusInternalServerError, err.Error())
+		return
+	}
 	writeSuccess(c, http.StatusCreated, "创建成功", record)
 }
 
@@ -176,6 +181,10 @@ func (gc *GatewayAdminController) Update(c *gin.Context) {
 		writeError(c, http.StatusInternalServerError, "更新网关失败")
 		return
 	}
+	if err := gc.syncGatewayInventory(record); err != nil {
+		writeError(c, http.StatusInternalServerError, err.Error())
+		return
+	}
 	writeSuccess(c, http.StatusOK, "更新成功", record)
 }
 
@@ -198,6 +207,10 @@ func (gc *GatewayAdminController) Delete(c *gin.Context) {
 		writeError(c, http.StatusInternalServerError, "删除网关失败")
 		return
 	}
+	if err := gc.deleteGatewayInventory(record); err != nil {
+		writeError(c, http.StatusInternalServerError, err.Error())
+		return
+	}
 	writeSuccess(c, http.StatusOK, "删除成功", nil)
 }
 
@@ -232,6 +245,76 @@ func (gc *GatewayAdminController) findGatewayProjectType(projectTypeCode string)
 	return projectType, nil
 }
 
+func (gc *GatewayAdminController) syncGatewayInventory(record models.Gateway) error {
+	mac := strings.ToUpper(strings.TrimSpace(record.MAC))
+	if mac == "" {
+		return nil
+	}
+
+	parameterValuesBytes, err := json.Marshal(map[string]interface{}{
+		"mac":      mac,
+		"location": strings.TrimSpace(record.Location),
+	})
+	if err != nil {
+		return err
+	}
+
+	status := models.ProductInventoryStatusInStock
+	if record.IsSold {
+		status = models.ProductInventoryStatusSold
+	}
+
+	serialNumber := mac
+	regionID := record.RegionID
+
+	var inventory models.ProductInventory
+	err = gc.DB.Where("source_type = ? AND source_ref = ?", "gateway", mac).First(&inventory).Error
+	switch {
+	case err == nil:
+		inventory.ProductCode = "collection_gateway"
+		inventory.ProjectTypeCode = strings.TrimSpace(strings.ToLower(record.ProjectType))
+		inventory.SerialNumber = &serialNumber
+		inventory.AssetName = strings.TrimSpace(record.Name)
+		inventory.Status = status
+		inventory.RegionID = &regionID
+		inventory.StorageLocation = strings.TrimSpace(record.Location)
+		inventory.ParameterValues = string(parameterValuesBytes)
+		inventory.SourceType = "gateway"
+		inventory.SourceRef = mac
+		if record.IsSold {
+			inventory.SoldAt = record.SoldAt
+		} else {
+			inventory.SoldAt = nil
+		}
+		return gc.DB.Save(&inventory).Error
+	case errors.Is(err, gorm.ErrRecordNotFound):
+		inventory = models.ProductInventory{
+			ProductCode:     "collection_gateway",
+			ProjectTypeCode: strings.TrimSpace(strings.ToLower(record.ProjectType)),
+			SerialNumber:    &serialNumber,
+			AssetName:       strings.TrimSpace(record.Name),
+			Status:          status,
+			RegionID:        &regionID,
+			StorageLocation: strings.TrimSpace(record.Location),
+			SoldAt:          record.SoldAt,
+			ParameterValues: string(parameterValuesBytes),
+			SourceType:      "gateway",
+			SourceRef:       mac,
+		}
+		return gc.DB.Create(&inventory).Error
+	default:
+		return err
+	}
+}
+
+func (gc *GatewayAdminController) deleteGatewayInventory(record models.Gateway) error {
+	mac := strings.ToUpper(strings.TrimSpace(record.MAC))
+	if mac == "" {
+		return nil
+	}
+	return gc.DB.Where("source_type = ? AND source_ref = ?", "gateway", mac).Delete(&models.ProductInventory{}).Error
+}
+
 // 辅助方法：验证输入数据
 func validateGatewayPayload(payload gatewayPayload) error {
 	mac := strings.TrimSpace(payload.MAC)