* Fix Web api exception manager

* Added language support api
* Added canRead canWrite to functions Access api

Step.Database/Controllers/FunctionAccessController.cs

@@ -26,20 +26,22 @@ namespace Step.Database.Controllers
         {
             return dbCtx
                 .FunctionsAccess
-                .Where(x => x.Name == functionName && x.Enabled == true)
+                .Where(x => x.Name == functionName && x.Enabled == true) // Find by name and enabled functions
                 .FirstOrDefault();
         }
 
-        public List<DTOFunctionAccessModel> GetFunctionAccess()
+        public List<DTOFunctionAccessModel> GetFunctionAccess(int roleLevel)
         {
             return dbCtx
                 .FunctionsAccess
-                .Select(f => new DTOFunctionAccessModel()
+                .Select(f => new DTOFunctionAccessModel() // Convert from database model to data transfer model
                 {
                     Id = f.FunctionAccessId,
                     Name = f.Name,
                     Area = f.Area,
-                    Enabled = f.Enabled
+                    Enabled = f.Enabled,
+                    CanRead = f.ReadLevelMin < roleLevel,
+                    CanWrite = f.WriteLevelMin < roleLevel
                 })
                 .ToList() ;
         }