hair cut queries by API

Yavsc/ViewModels/Account/UserInfo.cs

@@ -1,8 +1,20 @@
 namespace  Yavsc.Models.Auth
 {
     public class UserInfo {
+
+        public UserInfo()
+        {
+
+        }
+
+        public UserInfo(ApplicationUser user)
+        {
+            UserId = user.Id;
+            UserName = user.UserName;
+            Avatar = user.Avatar;
+        }
         public string UserId { get; set; }
-    
+
         public string UserName { get; set; }
         public string Avatar { get; set; }
     }