public static void CancelRequest(User user, int requestID)
        {
            Events evnt = EventController.GetEvent(GetRequest(requestID).EventID);
            if (!user.isAuthorized(evnt, EnumFunctions.Manage_Requests))
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User Does Not Have Rights To Cancel Request!"));

            DAL dalDataContext = new DAL();

            Request request = (from requests in dalDataContext.requests
                               where requests.RequestID == requestID
                               select requests).FirstOrDefault();

            if (request == null)
            {
                throw new FaultException<SException>(new SException(),
                    new FaultReason("Invalid Request"));
            }
            else
            {
                Events e = EventController.GetEvent(request.EventID);

                if (e.Organizerid != user.UserID) // Manage Requests, View Requests User.isAuthorized(
                    throw new FaultException<SException>(new SException(),
                        new FaultReason("Invalid User, User Does Not Have Rights To Edit This Request!"));

                request.Status = RequestStatus.Cancelled;
                dalDataContext.SubmitChanges();

                RequestLogController.InsertRequestLog(request);
            }
        }

        public static void DeleteParticipant(User user, int ParticipantID)
        {
            try
            {
                DAL dalDataContext = new DAL();

                // Participant p = GetParticipant(ParticipantID);
                Participant p = (from participants in dalDataContext.participants
                                 where participants.ParticipantID == ParticipantID
                                 select participants).SingleOrDefault<Participant>();
                //chk if user can do this anot
                if (!user.isAuthorized(EventController.GetEvent(p.EventID), EnumFunctions.Manage_Participant))
                    goto Error;

                dalDataContext.participants.DeleteOnSubmit(p);
                dalDataContext.SubmitChanges();
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Deleting Participant, Please Try Again!"));
            }

            return;

            Error:
            throw new FaultException<SException>(new SException(),
                       new FaultReason("Invalid User, User Does Not Have Rights To Delete Participant!"));
        }

        public static void DeleteProgram(User user, int ProgramID)
        {
            //chk if user got rights or is organizer

            Program P = GetPrograms(ProgramID);

            if (!user.isAuthorized(EventController.GetEvent(P.EventID), EnumFunctions.Delete_Programmes))
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User Does Not Have Rights To Delete Programs!"));

            DAL dalDataContext = new DAL();
            try
            {
                Program matchedprograms = (from programs in dalDataContext.programs
                                           where programs.ProgramID == P.ProgramID
                                           select programs).FirstOrDefault();

                dalDataContext.programs.DeleteOnSubmit(matchedprograms);
                dalDataContext.SubmitChanges();
            }
            catch (Exception ex)
            {
                throw new FaultException<SException>(new SException(ex.Message),
                   new FaultReason("An Error occured While Adding Deleting Program, Please Try Again!"));
                //throw exception here
            }
        }

        public static void DeleteGuest(User user, int GuestID)
        {
            //chk if user can do this anot
            Guest g = GetGuest(GuestID);

            if (!user.isAuthorized(EventController.GetEvent(g.EventID), EnumFunctions.Delete_Guest))
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User Does Not Have Rights To Delete Guest!"));

            DAL dalDataContext = new DAL();

            try
            {
                Guest matchedguest = (from guests in dalDataContext.guests
                                      where guests.GuestId == g.GuestId
                                      select guests).FirstOrDefault();

                dalDataContext.guests.DeleteOnSubmit(matchedguest);
                dalDataContext.SubmitChanges();
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Deleting Guest, Please Try Again!"));
            }
        }

        public static int AddRightsTemplate(User user, Events evnt, string RoleTemplatePost, string RoleTemplateDescription, List<EnumFunctions> functionID)
        {
            if (!user.isSystemAdmin)
            {
                if (!user.isAuthorized(evnt, EnumFunctions.Add_Role))
                    throw new FaultException<SException>(new SException(),
                       new FaultReason("Invalid User, User Does Not Have Rights To Add New Role Template!"));
            }
            try
            {

                using (TransactionScope t = new TransactionScope(TransactionScopeOption.Required))
                {
                    DAL dalDataContext = new DAL();

                    RoleTemplate role = RoleTemplateController.AddRoleTemplate(evnt, RoleTemplatePost, RoleTemplateDescription, dalDataContext);
                    int roleid = role.RoleTemplateID;
                    role = null;

                    RightTemplateController.AddRight(roleid, functionID, dalDataContext);
                    t.Complete();
                    return roleid;
                }
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Adding New Role Template, Please Try Again!"));
            }
        }

        public static string GetLastNotification(User user, string rid)
        {
            if (String.Compare(user.UserID, rid, true) != 0)
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, You cannot read messages not in your inbox"));

            DAL dalDataContext = new DAL();
            Notifications msg = (from notifs in dalDataContext.notifications
                               where notifs.Receiver == user.UserID
                               orderby notifs.SendDateTime descending
                               select notifs).FirstOrDefault<Notifications>();

            if (msg != null)
            {
                TimeSpan t = DateTime.Now - msg.SendDateTime;
                if (t > TimeSpan.FromTicks(0) && t <= TimeSpan.FromSeconds(15))
                {
                    return msg.Sender;
                }
                else
                {
                    return "";
                }
            }
            else
                return "";
        }

 public frmViewUsers(User u, frmMain mainFrame)
     : this()
 {
     this.user = u;
     this.mainFrame = mainFrame;
     this.cboRole.ItemsSource = System.Enum.GetValues(typeof(EnumRoles));
 }

        public static void DeleteEvent(User user, int EventID)
        {
            //chk if user can do this anot
            Events evnt = GetEvent(EventID);

            if (!user.isAuthorized(evnt))
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User Does Not Have Rights To Delete this Events!"));

            DAL dalDataContext = new DAL();

            try
            {
                Events matchedevent = (from events in dalDataContext.events
                                       where events.EventID == evnt.EventID
                                       //events.Organizerid == user.userID
                                       select events).FirstOrDefault();

                dalDataContext.events.DeleteOnSubmit(matchedevent);
                dalDataContext.SubmitChanges();
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Deleting Event, Please Try Again!"));
            }
        }

        public static void deleteItem(User user, Items iten)
        {
            if (!user.isAuthorized( EventController.GetEvent(iten.EventID), EnumFunctions.Manage_Items))
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User Does Not Have Rights To Delete Item!"));

            DAL dalDataContext = new DAL();

            try
            {
                Items matchedItem = (from item in dalDataContext.items
                                     where item.typeString == iten.typeString
                                     && item.EventID == iten.EventID
                                     && item.ItemName == iten.ItemName
                                     select item).FirstOrDefault<Items>();

                dalDataContext.items.DeleteOnSubmit(matchedItem);
                dalDataContext.SubmitChanges();
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Deleting Item , Please Try Again!"));
            }
        }

        public static void AddPointOfContact(User user, int EventID, int serviceID, string name, string position, string phone, string email)
        {
            bool allow = false;
            if (user.isSystemAdmin || user.isEventOrganizer)
            {
                allow = true;
            }

            if (!allow)
            {
                if (!user.isAuthorized(EventController.GetEvent(EventID), EnumFunctions.Manage_Items))
                    throw new FaultException<SException>(new SException(),
                       new FaultReason("Invalid User, User Does Not Have Rights To Edit this Service!"));

            }
            try
            {
                DAL dalDataContext = new DAL();
                Table<PointOfContact> pointOfContact = dalDataContext.pointOfContacts;
                PointOfContact creatingPointOfContact = new PointOfContact(serviceID, name, position, phone, email);

                pointOfContact.InsertOnSubmit(creatingPointOfContact);
                pointOfContact.Context.SubmitChanges();
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Adding New Point of Contact, Please Try Again!"));
            }
        }

        public static void AddService(User user, int EventID, string Address, string name, string url, string notes)
        {
            bool allow = false;
            if (user.isSystemAdmin || user.isEventOrganizer)
            {
                allow = true;
            }

            if (!allow)
            {
                if (!user.isAuthorized(EventController.GetEvent(EventID), EnumFunctions.Manage_Items))
                    throw new FaultException<SException>(new SException(),
                       new FaultReason("Invalid User, User Does Not Have Rights To Edit this Service!"));

            }

            try
            {
                DAL dalDataContext = new DAL();
                Table<Service> services = dalDataContext.services;

                Service creatingService = new Service(Address, name, url, notes);

                services.InsertOnSubmit(creatingService);
                services.Context.SubmitChanges();
                dalDataContext.SubmitChanges();
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Adding New Service, Please Try Again!"));
            }
        }

        public static void SetBought(User user, Items iten)
        {
            //if (!user.isAuthorized(user, EventController.GetEvent(iten.EventID), EnumFunctions.Manage_Items))
            //    throw new FaultException<SException>(new SException(),
            //       new FaultReason("Invalid User, User Does Not Have Rights To Update Items properties!"));
            try
            {
                DAL dalDataContext = new DAL();

                OptimizedBudgetItemsDetails matchedItem = (from item in dalDataContext.optimizedBudgetItemDetails
                                     where item.typeString == iten.typeString
                                     && item.EventID == iten.EventID
                                    && item.ItemName == iten.ItemName
                                     select item).FirstOrDefault<OptimizedBudgetItemsDetails>();

                if (matchedItem == null)
                {
                    throw new FaultException<SException>(new SException(),
                       new FaultReason("Invalid Item "));
                }
                else
                {
                    matchedItem.IsBought = true;
                    dalDataContext.SubmitChanges();
                }
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Updating Item, Please Try Again!"));
            }
        }

        public static int AddRoleAndRights(User user, string RoleUserID, int EventID, string RolePost, string RoleDescription, List<EnumFunctions> functionID)
        {
            if (!user.isAuthorized(EventController.GetEvent(EventID), EnumFunctions.Add_Role))
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User Does Not Have Rights To Add New Role!"));

            try
            {

                using (TransactionScope t = new TransactionScope(TransactionScopeOption.Required))
                {
                    DAL dalDataContext = new DAL();

                    Role role = RoleController.AddRole(RoleUserID, EventID, RolePost, RoleDescription, dalDataContext);
                    int roleid = role.RoleID;
                    role = null;

                    RightController.AddRight(roleid, functionID, dalDataContext);

                    NotificationController.sendNotification(user.UserID, RoleUserID, "Rights changed",
                        "Your Rights Have been changed for the Event " + EventController.GetEvent(EventID).Name);

                    t.Complete();
                    return roleid;
                }
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Adding New Role, Please Try Again!"));
            }
        }

 public User(User user)
 {
     this.name = user.name;
     this.email = user.email;
     this.u_password = user.u_password;
     this.uid = user.UserID;
 }

        public static void DeleteFolder(User user, int eventID, string folderName)
        {
            Events evnt = EventController.GetEvent(eventID);

            //TODO: Add Enum CreateArtefactFolder in functions - Nick
            if (!RoleLogicController.HaveRights(evnt, user, EnumFunctions.Manage_Artefacts)) //user.isAuthorized(evnt, ManageArtefact) after enum f(x) up
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User does not have rights to Delete Folder!"));

            DAL dalDataContext = new DAL();

            try
            {
                WorkspaceFolders matchedWS = (from ws in dalDataContext.ArtefactWSFolders
                                              where ws.EventID == eventID &&
                                              ws.FolderName.ToLower() == folderName.ToLower()
                                              select ws).FirstOrDefault();

                if (matchedWS != null)
                {
                    dalDataContext.ArtefactWSFolders.DeleteOnSubmit(matchedWS);
                    dalDataContext.SubmitChanges();
                }
            }
            catch (Exception ex)
            {
                throw new FaultException<SException>(new SException(ex.Message),
                   new FaultReason("An Error occured While Deleting Workspace, Please Try Again!"));
            }
        }

        public static void AddRight(User user, int roleID, List<EnumFunctions> functionID)
        {
            //chk if user can do this anot
            try
            {
                DAL dalDataContext = new DAL();
                Table<Right> rights = dalDataContext.rights;
                //using (TransactionScope tScope = new TransactionScope(TransactionScopeOption.Required))
                //{
                for (int i = 0; i < functionID.Count; i++)
                {
                    rights.InsertOnSubmit(new Right(roleID, functionID[i]));
                }

                rights.Context.SubmitChanges();
                //use this to Create rights //if error need to delete it
                //       throw new Exception();
                //tScope.Complete();
                // }
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Adding New Right, Please Try Again!"));
            }
        }

        public static void DeleteReview(User user, string UserID, int ServiceID)
        {
            Review r = GetReview(UserID, ServiceID);

            if (!user.isSystemAdmin && !(user.UserID == UserID))
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User Does Not Have Rights To Delete Review!"));
            //chk if user can do this anot

            DAL dalDataContext = new DAL();

            try
            {
                r = (from review in dalDataContext.reviews
                                 where review.UserID == UserID &&
                                 review.ServiceID == ServiceID
                                 select review).FirstOrDefault();

                dalDataContext.reviews.DeleteOnSubmit(r);
                dalDataContext.SubmitChanges();
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Deleting Review, Please Try Again!"));
            }
        }

        //Delete the task
        public static void DeleteTask(User user, int TaskID, int eventID)
        {
            Task taskToDelete = GetTask(TaskID);
            //TODO: Put in after roles management for task up
            if (!user.isAuthorized(EventController.GetEvent(taskToDelete.EventID), EnumFunctions.Delete_Task))
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User Does Not Have Rights To Delete Tasks!"));

            DAL dalDataContext = new DAL();

            try
            {
                Task matchedTask = (from tasks in dalDataContext.tasks
                                    where tasks.TaskID == taskToDelete.TaskID &&
                                    tasks.EventID == taskToDelete.EventID
                                    select tasks).FirstOrDefault();

                dalDataContext.tasks.DeleteOnSubmit(matchedTask);
                dalDataContext.SubmitChanges();
            }
            catch
            {
                throw new FaultException<SException>(new SException(),
                   new FaultReason("An Error occured While Deleting Guest, Please Try Again!"));
            }
        }

        public static List<FieldAnswer> GetParticipantFieldAnswer(User user, int EventID, int ParticipantID)
        {
            if (!user.isAuthorized(EventController.GetEvent(EventID), EnumFunctions.Manage_Participant))
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User Does Not Have Rights To Manage Participant!"));

               return FieldAnswerController.ViewFieldAnswer(ParticipantID);
        }

        public static void DeleteRole(User user, int RoleID)
        {
            if (!user.isAuthorized(EventController.GetEvent(RoleController.GetRole(RoleID).EventID), EnumFunctions.Add_Role))
                throw new FaultException<SException>(new SException(),
                   new FaultReason("Invalid User, User Does Not Have Rights To Add Delete This Role!"));

            RoleController.DeleteRole(user, RoleID);
        }