public async Task CloseSupportTicket(string supportTicketID)
        {
            HelpDeskDatabase db            = new HelpDeskDatabase();
            SupportTicket    supportTicket = db.SupportTickets.Find(Int32.Parse(supportTicketID));

            supportTicket.Status = "Closed";
            db.SaveChanges();

            GraphHelper graphHelper = new GraphHelper();
            await graphHelper.MarkEmailMessageClosed(supportTicket.MessageID);
        }
        public async Task AssignSupportTicket(string messageID, string title, string description, string assignedTo)
        {
            SupportTicket supportTicket = new SupportTicket();

            supportTicket.AssignedTo  = assignedTo;
            supportTicket.MessageID   = messageID;
            supportTicket.Title       = Uri.UnescapeDataString(title);
            supportTicket.Description = Uri.UnescapeDataString(description);
            supportTicket.Status      = "Open";

            HelpDeskDatabase db = new HelpDeskDatabase();

            db.SupportTickets.Add(supportTicket);
            db.SaveChanges();

            GraphHelper graphHelper = new GraphHelper();
            await graphHelper.MarkEmailMessageAssigned(messageID);
        }