feat: import services and standardize Go 1.26.5

apps/base/mgt/internal/models/link_user_pmn.go

@@ -0,0 +1,40 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// 用户的自定义权限关联表
+type MgtLinkUserPmn struct {
+	UserId    uint      `gorm:"column:user_id;primaryKey" json:"user_id"`                     // 用户ID
+	AppId     uint      `gorm:"column:app_id;primaryKey" json:"app_id"`                       // 应用ID
+	PmnId     uint      `gorm:"column:pmn_id;primaryKey" json:"pmn_id"`                       // 权限ID
+	CreatedAt time.Time `gorm:"column:created_at;autoCreateTime" json:"created_at,omitempty"` // 创建时间
+}
+
+func (MgtLinkUserPmn) TableName() string {
+	return "mgt_link_user_pmn"
+}
+
+// func init() {
+// 	database.AppendMigrate(&MgtLinkUserPmn{})
+// }
+
+// AfterDelete钩子：仅当该用户在该应用下不再拥有任何权限时，移除用户-应用关联
+func (l *MgtLinkUserPmn) AfterDelete(tx *gorm.DB) error {
+	var count int64
+	if err := tx.Model(&MgtLinkUserPmn{}).
+		Where("app_id = ? AND user_id = ?", l.AppId, l.UserId).
+		Count(&count).Error; err != nil {
+		return err
+	}
+	if count == 0 {
+		if err := tx.Where("app_id = ? AND user_id = ?", l.AppId, l.UserId).
+			Delete(&MgtLinkUserApp{}).Error; err != nil {
+			return err
+		}
+	}
+	return nil
+}