server/AyaNova/biz/TagGroupMapBiz.cs

@@ -30,13 +30,19 @@ namespace AyaNova.Biz
         }
 
 
-    
+
         ////////////////////////////////////////////////////////////////////////////////////////////////
         //CREATE        
         internal async Task<TagGroupMap> CreateAsync(TagGroupMapInfo inObj)
         {
-                //TODO: see if already present and just return inObj if so
-          //  if(ct.TagGroupMap.Any().where)
+
+            //Is this taggroup mapping already present?
+            var Existing = await ct.TagGroupMap.Where(m => m.TagId == inObj.TagId && m.TagGroupId == inObj.TagGroupId).FirstOrDefaultAsync();
+            if (Existing != null)
+            {
+                //yup so just return it, don't make a new one
+                return Existing;
+            }
 
 
             Validate(inObj, true);
@@ -86,7 +92,7 @@ namespace AyaNova.Biz
         }
 
 
-       
+
 
 
         ////////////////////////////////////////////////////////////////////////////////////////////////

server/AyaNova/biz/TagMapBiz.cs

@@ -30,12 +30,18 @@ namespace AyaNova.Biz
         }
 
 
-    
+
         ////////////////////////////////////////////////////////////////////////////////////////////////
         //CREATE        
         internal async Task<TagMap> CreateAsync(TagMapInfo inObj)
         {
-//TODO: Does object exist before attempting to tag it??
+            //Is this tag already present?
+            var Existing = await ct.TagMap.Where(m => m.TagId == inObj.TagId && m.TagToObjectId == inObj.TagToObjectId && m.TagToObjectType == inObj.TagToObjectType).FirstOrDefaultAsync();
+            if (Existing != null)
+            {
+                //yup so just return it, don't make a new one
+                return Existing;
+            }
 
             Validate(inObj, true);
             if (HasErrors)

server/AyaNova/util/AySchema.cs

@@ -205,7 +205,7 @@ namespace AyaNova.Util
             if (currentSchema < 6)
             {
                 LogUpdateMessage(log);
-
+                // LOOKAT: Should taggroupmap have an index that enforces no taggroup can have the same tag more than once?  Same for objects being tagged?
                 exec("CREATE TABLE atag (id BIGSERIAL PRIMARY KEY, ownerid bigint not null, name varchar(255) not null)");
                 exec("CREATE UNIQUE INDEX tagname_idx ON atag (name);");
                 exec("CREATE TABLE atagmap (id BIGSERIAL PRIMARY KEY, ownerid bigint not null," +