public static void AddTask(string taskText, string userObjectId, string userName)
        {
            // Add a new task to the db
            GroupClaimContext db = new GroupClaimContext();
            Task newTask = new Task
            {
                Status = "NotStarted",
                TaskText = taskText,
                Creator = userObjectId,
                SharedWith = new List<AadObject>(),
                CreatorName = userName,
            };

            // Get the AadObject representing from the user if it exists
            AadObject user = db.AadObjects.Find(userObjectId);
            if (user != null)
            {
                // Update the user's display name in case it has changed
                user.DisplayName = userName;
            }
            else
            {
                user = new AadObject
                {
                    AadObjectID = userObjectId,
                    DisplayName = userName,
                };
            }

            newTask.SharedWith.Add(user);
            db.Tasks.Add(newTask);
            db.SaveChanges();
        }
 public static void AddShare(int taskId, string objectId, string displayName)
 {
     //Share a task with a user or group
     GroupClaimContext db = new GroupClaimContext();
     AadObject aadObject = db.AadObjects.Find(objectId);
     if (aadObject != null)
     {
         aadObject.DisplayName = displayName;
     }
     else
     {
         aadObject = new AadObject
         {
             AadObjectID = objectId,
             DisplayName = displayName,
         };
     }
     Task task = db.Tasks.Find(taskId);
     List<AadObject> shares = task.SharedWith.ToList();
     shares.Add(aadObject);
     task.SharedWith = shares;
     db.SaveChanges();
 }