public bool AddNotification(Notification notification, bool lastCheckIn = false)
        {
            try
            {
                if (String.IsNullOrEmpty(notification.Text) && !notification.Primary)
                {
                    throw new Exception("ERROR_FILL_ALL_FIELDS");
                }

                if (notification.Primary)
                {
                    if (PrimaryNotification != null)
                    {
                        throw new Exception("ERROR_PRIMARY_ALREADY_EXISTS");
                    }
                }

                if (lastCheckIn && notification.TriggerTime > DateTime.Now)
                {
                    throw new Exception("ERROR_PAST_TIME");
                }

                if (!lastCheckIn && notification.TriggerTime < DateTime.Now)
                {
                    throw new Exception("ERROR_FUTURE_TIME");
                }

                if (!TimeCheck(notification.TriggerTime, lastCheckIn))
                {
                    throw new Exception("ERROR_TIME_INCORRECT");
                }

                if (lastCheckIn)
                {
                    notification.TriggerTime = NewTime;
                }

                Conn.Insert(notification);
                ToastService.SetToastForNotification(notification);

                if (notification.Primary)
                {
                    SetPrimaryNotification();
                }
                else
                {
                    AchievementHandler.UpdateProgress(AchievementType.CreatedOneNotification);
                }
            }
            catch (Exception ex)
            {
                ErrorMessage = ErrorHandler.ReturnErrorMessage(ex.Message);
                return(false);
            }
            return(true);
        }
        public bool AddActivity(Activity activity, DateTime dateTime)
        {
            try
            {
                List <ActivityPropertyValue> tempList = new List <ActivityPropertyValue>();
                foreach (KeyValuePair <string, string> obj in activity.PropertyValues)
                {
                    ActivityProperty currentObj = activity.Properties.FirstOrDefault(data => data.Property == obj.Key);
                    if (String.IsNullOrEmpty(obj.Value) && !currentObj.AllowNull)
                    {
                        throw new Exception("ERROR_FILL_ALL_FIELDS");
                    }
                    tempList.Add(new ActivityPropertyValue()
                    {
                        ActivityPropertyId = currentObj.Id, Value = obj.Value
                    });
                }
                UserActivity uaObj = new UserActivity()
                {
                    ActivityId = activity.Id, UserId = User.Instance.Id, DateTime = dateTime
                };
                Conn.Insert(uaObj);

                foreach (ActivityPropertyValue obj in tempList)
                {
                    obj.UserActivityId = uaObj.Id;
                }

                Conn.InsertRange(tempList);
                AchievementHandler.UpdateProgress(AchievementType.CreatedOneActivity);
            }
            catch (Exception ex)
            {
                ErrorMessage = ErrorHandler.ReturnErrorMessage(ex.Message);
                return(false);
            }
            return(true);
        }