Build a Google IG like AJAX Start Page in 7 days using ASP.NET AJAX and .NET 3.0

using System;
using System.Collections.Generic;
using System.Text;
using System.Web.Security;
using System.Transactions;
using System.Query;
using System.Data.DLinq;

using DashboardDataAccess;

namespace DashboardBusiness
{    
	public class DashboardFacade
	{
        private string _UserName; 

        public DashboardFacade( string userName )
        {
            this._UserName = userName;
        }

        public UserPageSetup NewUserVisit( )
        {
            using( new TimedLog(this._UserName, "New user visit") )
            {
                var properties = new Dictionary<string,object>();
                properties.Add("UserName", this._UserName);
                var userSetup = new UserPageSetup();
                properties.Add("UserPageSetup", userSetup);
                
                WorkflowHelper.ExecuteWorkflow( typeof( NewUserSetupWorkflow ), properties ); 

                return userSetup;
            }
        }

        public UserPageSetup LoadUserSetup( )
        {
            using( new TimedLog(this._UserName, "Total: Existing user visit") )
            {
                var properties = new Dictionary<string,object>();
                properties.Add("UserName", this._UserName);
                var userSetup = new UserPageSetup();
                properties.Add("UserPageSetup", userSetup);
                    
                WorkflowHelper.ExecuteWorkflow( typeof( UserVisitWorkflow ), properties ); 

                return userSetup;
            }
        }

        public void AddNewPage( )
        {
            using( new TimedLog(this._UserName, "Add New Page") )
            {
                var properties = new Dictionary<string,object>();
                properties.Add("UserName", this._UserName);
                    
                WorkflowHelper.ExecuteWorkflow( typeof( AddNewTabWorkflow ), properties ); 
            }
        }


        public void DeleteWidgetInstance( WidgetInstance instance )
        {
            using( new TimedLog(this._UserName, "Delete Widget:" + instance.Title) )
            {
                var properties = new Dictionary<string,object>();
                properties.Add("WidgetInstanceId", instance.Id);
                properties.Add("PageId", instance.PageId);
                properties.Add("ColumnNo", instance.ColumnNo);
                
                WorkflowHelper.ExecuteWorkflow( typeof( DeleteWidgetInstanceWorkflow ), properties );
            }
        }

        public void MoveWidgetInstance( int widgetInstanceId, int toColumn, int toRow )
        {
            using( new TimedLog(this._UserName, "Move Widget:" + widgetInstanceId) )
            {
                var properties = new Dictionary<string,object>();
                properties.Add("WidgetInstanceId", widgetInstanceId);
                properties.Add("ColumnNo", toColumn);
                properties.Add("RowNo", toRow);
                
                WorkflowHelper.ExecuteWorkflow( typeof( MoveWidgetInstanceWorkflow ), properties );
            }
        }

        public List<Widget> GetWidgetList()
        {
            return DatabaseHelper.GetDashboardData().Widgets.ToList();
        }

        public void AddWidget(int widgetId)
        {
            using( new TimedLog(this._UserName, "Add Widget" + widgetId) )
            {
                var properties = new Dictionary<string,object>();
                properties.Add("UserName", this._UserName);
                properties.Add("WidgetId", widgetId);
                
                WorkflowHelper.ExecuteWorkflow( typeof( AddWidgetWorkflow ), properties );
            }
        }

        public void RegisterAs(string email)
        {
            using( new TimedLog( this._UserName, "Register As: " + email) )
            {
                DashboardData db = DatabaseHelper.GetDashboardData();

                MembershipUser newUser = Membership.GetUser(email);
                
                // Get the User Id for the anonymous user from the aspnet_users table
                AspnetUser anonUser = db.AspnetUsers.Single( u => u.LoweredUserName == this._UserName && u.ApplicationId == DatabaseHelper.ApplicationGuid );

                Guid oldGuid = anonUser.UserId;
                Guid newGuid = (Guid)newUser.ProviderUserKey;

                // Move page ownership
                using( TransactionScope ts = new TransactionScope() )
                {
                    List<Page> pages = db.Pages.Where( p => p.UserId == oldGuid ).ToList();
                    foreach( Page page in pages )
                        page.UserId = newGuid;
                    
                    // Change setting ownership
                    UserSetting setting = db.UserSettings.Single( u => u.UserId == oldGuid );
                    db.UserSettings.Remove(setting);
                    
                    setting.UserId = newGuid;
                    db.UserSettings.Add(setting);
                    db.SubmitChanges();

                    ts.Complete();
                }
            }
        }

        public void ChangePageName(string newName)
        {
            using( new TimedLog(this._UserName, "Change Page Name") )
            {
                var properties = new Dictionary<string,object>();
                properties.Add("UserName", this._UserName);
                var userSetup = new UserPageSetup();
                properties.Add("PageName", newName);
                    
                WorkflowHelper.ExecuteWorkflow( typeof( ChangePageNameWorkflow ), properties ); 
            }
        }
	}
}