server/AyaNova/models/FileAttachment.cs

@@ -7,9 +7,11 @@ namespace AyaNova.Models
 
     public class FileAttachment
     {
-        public FileAttachment(){
+        public FileAttachment()
+        {
             //all start out as synchronized
-            InSync=true;
+            Exists = true;
+
         }
         public long Id { get; set; }
         public uint Concurrency { get; set; }
@@ -30,6 +32,8 @@ namespace AyaNova.Models
         public DateTime LastModified { get; set; }
         public string Notes { get; set; }
 
-        public bool InSync {get;set;}//was on disk last sync check
+        [Required]
+        public bool Exists { get; set; }//was on disk last sync check
+
     }
 }