public PageWrapper(Page page)
 {
     Name = page.PageName;
     Content = page.Body;
     UpdatedBy = EmployeeWraper.Get(Core.CoreContext.UserManager.GetUsers(page.UserID));
     Updated = (ApiDateTime)page.Date;
 }

 public MilestoneWrapper(Milestone milestone)
 {
     Id = milestone.ID;
     ProjectOwner = new SimpleProjectWrapper(milestone.Project);
     Title = milestone.Title;
     Description = milestone.Description;
     Created = (ApiDateTime)milestone.CreateOn;
     CreatedBy = EmployeeWraper.Get(milestone.CreateBy);
     Updated = (ApiDateTime)milestone.LastModifiedOn;
     if (milestone.CreateBy != milestone.LastModifiedBy)
     {
         UpdatedBy = EmployeeWraper.Get(milestone.LastModifiedBy);
     }
     if (!milestone.Responsible.Equals(Guid.Empty))
     {
         Responsible = EmployeeWraper.Get(milestone.Responsible);
     }
     Status = (int)milestone.Status;
     Deadline = new ApiDateTime(milestone.DeadLine, TimeZoneInfo.Local);
     IsKey = milestone.IsKey;
     IsNotify = milestone.IsNotify;
     CanEdit = ProjectSecurity.CanEdit(milestone);
     CanDelete = ProjectSecurity.CanDelete(milestone);
     ActiveTaskCount = milestone.ActiveTaskCount;
     ClosedTaskCount = milestone.ClosedTaskCount;
 }

        public ReportTemplateWrapper SaveReportTemplate(string name, string period, int periodItem, int hour, bool autoGenerated, ReportType reportType,
                                         int tag, int project, TaskStatus? status, Guid departament, Guid userId, ReportTimeInterval reportTimeInterval,
                                         ApiDateTime fromDate, ApiDateTime toDate, int viewType, bool noResponsible)
        {
            ProjectSecurity.DemandAuthentication();

            if (name == null || name.Trim().Length == 0) throw new ArgumentNullException("name");

            var filter = new TaskFilter
            {
                TagId = tag,
                DepartmentId = departament,
                UserId = userId,
                TimeInterval = reportTimeInterval,
                FromDate = fromDate,
                ToDate = toDate,
                ViewType = viewType,
                NoResponsible = noResponsible
            };

            if (project != 0)
                filter.ProjectIds.Add(project);

            if (status != null)
                filter.TaskStatuses.Add((TaskStatus)status);

            var template = new ReportTemplate(reportType) { Filter = filter };

            SaveOrUpdateTemplate(template, name, period, periodItem, hour, autoGenerated);

            return new ReportTemplateWrapper(template);
        }

 public SimpleTaskWrapper(Task task)
 {
     ID = task.ID;
     Title = task.Title;
     Description = task.Description;
     Deadline = (ApiDateTime)task.Deadline;
 }

        public ReportWrapper BuildContactPopulateReport(
            ApiDateTime fromDate,
            ApiDateTime toDate,
            bool? isCompany,
            string tagName,
            int contactType)
        {
            var reportData = DaoFactory.GetReportDao().BuildContactPopulateReport(fromDate, toDate, isCompany, tagName, contactType);
            var report = new ReportWrapper
                {
                    ReportTitle = CRMReportResource.Report_ContactPopulate_Title,
                    ReportDescription = CRMReportResource.Report_ContactPopulate_Description,
                    Data = reportData.ConvertAll(row => new
                        {
                            Date = (ApiDateTime)TenantUtil.DateTimeFromUtc(DateTime.Parse(Convert.ToString(row[0]))),
                            Count = row[1]
                        }),
                    Lables = new List<string>
                        {
                            CRMCommonResource.Date,
                            CRMCommonResource.Count
                        }
                };

            return report;
        }

        public IEnumerable<MessageWrapper> GetMessageByFilter(int projectid, int tag, Guid departament, Guid participant,
                                                              ApiDateTime createdStart, ApiDateTime createdStop, int lastId,
                                                              bool myProjects, bool follow, MessageStatus? status)
        {
            var messageEngine = EngineFactory.GetMessageEngine();
            var taskFilter = new TaskFilter
            {
                DepartmentId = departament,
                UserId = participant,
                FromDate = createdStart,
                ToDate = createdStop,
                SortBy = _context.SortBy,
                SortOrder = !_context.SortDescending,
                SearchText = _context.FilterValue,
                TagId = tag,
                Offset = _context.StartIndex,
                Max = _context.Count,
                MyProjects = myProjects,
                LastId = lastId,
                Follow = follow,
                MessageStatus = status
            };

            if (projectid != 0)
                taskFilter.ProjectIds.Add(projectid);

            _context.SetDataPaginated();
            _context.SetDataFiltered();
            _context.SetDataSorted();
            _context.TotalCount = messageEngine.GetByFilterCount(taskFilter);

            return messageEngine.GetByFilter(taskFilter).NotFoundIfNull().Select(r => new MessageWrapper(r)).ToSmartList();
        }

        public IEnumerable<TimeWrapper> GetTaskTimeByFilter(int projectid, bool myProjects, int? milestone, bool myMilestones, int tag,
            Guid departament, Guid participant, ApiDateTime createdStart, ApiDateTime createdStop, int lastId, PaymentStatus? status)
        {
            var taskFilter = new TaskFilter
            {
                DepartmentId = departament,
                UserId = participant,
                FromDate = createdStart,
                ToDate = createdStop,
                SortBy = _context.SortBy,
                SortOrder = !_context.SortDescending,
                SearchText = _context.FilterValue,
                TagId = tag,
                Offset = _context.StartIndex,
                Max = _context.Count,
                LastId = lastId,
                MyProjects = myProjects,
                MyMilestones = myMilestones,
                Milestone = milestone
            };

            if (projectid != 0)
                taskFilter.ProjectIds.Add(projectid);

            if (status.HasValue)
                taskFilter.PaymentStatuses.Add(status.Value);

            _context.SetDataPaginated();
            _context.SetDataFiltered();
            _context.SetDataSorted();

            return EngineFactory.GetTimeTrackingEngine().GetByFilter(taskFilter).NotFoundIfNull().Select(r => new TimeWrapper(r)).ToSmartList();
        }

 public void TestLocal()
 {
     var apiDateTime1 = new ApiDateTime(DateTime.Now, TimeZoneInfo.FindSystemTimeZoneById("Tokyo Standard Time"));
     var dateTime = (DateTime)apiDateTime1;
     var utcTime = apiDateTime1.UtcTime;
     Assert.AreEqual(dateTime.Kind, utcTime.Kind);
     Assert.AreEqual(dateTime, utcTime);
 }

 public void TestUtc()
 {
     var apiDateTime1 = new ApiDateTime(DateTime.Now,TimeZoneInfo.Utc);
     var dateTime = (DateTime)apiDateTime1;
     var utcTime = apiDateTime1.UtcTime;
     Assert.AreEqual(dateTime.Kind, utcTime.Kind);
     Assert.AreEqual(dateTime, utcTime);
 }

 public SearchItemWrapper(SearchItem searchItem)
 {
     Id = searchItem.ID;
     Title = searchItem.Title;
     EntityType = searchItem.EntityType;
     Created = (ApiDateTime) searchItem.CreateOn;
     Description = searchItem.Description;
 }

 public void Test00()
 {
     var apiDateTime1 = new ApiDateTime(DateTime.Now);
     var stringrep = apiDateTime1.ToString();
     var dateTime = (DateTime)apiDateTime1;
     var utcTime = apiDateTime1.UtcTime;
     Assert.AreEqual(dateTime.Kind, utcTime.Kind);
     Assert.AreEqual(dateTime, utcTime);
 }

        public static List<EventWrapper> GetEventWrappers(this BaseCalendar calendar, Guid userId, ApiDateTime startDate, ApiDateTime endDate)
        {   
            var result = new List<EventWrapper>();
            if (calendar != null)
            {
                var events = calendar.LoadEvents(userId, startDate.UtcTime, endDate.UtcTime);
                events.ForEach(e => result.AddRange(new EventWrapper(e, userId, calendar.TimeZone).GetList(startDate.UtcTime, endDate.UtcTime)));
            }

            return result;
        }

        public IEnumerable<MailMessageItem> GetFilteredMessages(int? folder,
            bool? unread,
            bool? attachments,
            long? period_from,
            long? period_to,
            bool? important,
            string find_address,
            int? mailbox_id,
            IEnumerable<int> tags,
            string search,
            int? page,
            int? page_size,
            ApiDateTime last_check_date,
            string sort,
            string sortorder
            )
        {
            var filter = new MailFilter
            {
                PrimaryFolder = folder.GetValueOrDefault(MailFolder.Ids.inbox),
                Unread = unread,
                Attachments = attachments.GetValueOrDefault(false),
                Period_from = period_from.GetValueOrDefault(0),
                Period_to = period_to.GetValueOrDefault(0),
                Important = important.GetValueOrDefault(false),
                FindAddress = find_address,
                MailboxId = mailbox_id,
                CustomLabels = new ItemList<int>(tags),
                SearchFilter = search,
                PageSize = page_size.GetValueOrDefault(25),
                SortOrder = sortorder
            };

            MailBoxManager.UpdateUserActivity(TenantId, Username);

            if (null != last_check_date)
            {
                var date_time = MailBoxManager.GetFolderModifyDate(TenantId, Username, filter.PrimaryFolder);
                var api_date = new ApiDateTime(date_time);

                var compare_rez = api_date.CompareTo(last_check_date);

                if (compare_rez == 0) // equals
                    return null;
                if (compare_rez == -1) // less
                    return new List<MailMessageItem>();
            }

            long total_messages;
            var messages = GetFilteredMessages(filter, filter.Page, filter.PageSize, out total_messages);
            CorrectPageValue(filter, total_messages);
            _context.SetTotalCount(total_messages);
            return messages;
        }

        public object GetFeed(
            string product,
            ApiDateTime from,
            ApiDateTime to,
            Guid? author,
            bool? onlyNew,
            ApiDateTime timeReaded)
        {
            var filter = new FeedApiFilter
                {
                    Product = product,
                    From = from != null ? from.UtcTime : DateTime.MinValue,
                    To = to != null ? to.UtcTime : DateTime.MaxValue,
                    Offset = (int)context.StartIndex,
                    Max = (int)context.Count - 1,
                    Author = author ?? Guid.Empty,
                    SearchKeys = context.FilterValues,
                    OnlyNew = onlyNew.HasValue && onlyNew.Value
                };

            var feedReadedProvider = new FeedReadedDataProvider();

            var lastTimeReaded = feedReadedProvider.GetTimeReaded();

            var readedDate = timeReaded != null ? (ApiDateTime)timeReaded.UtcTime : (ApiDateTime)lastTimeReaded;
            var commentReadedDate = (ApiDateTime)feedReadedProvider.GetTimeReaded("comments");

            if (filter.OnlyNew)
            {
                filter.From = (ApiDateTime)lastTimeReaded;
                filter.Max = 100;
            }
            else if (timeReaded == null)
            {
                feedReadedProvider.SetTimeReaded();
                feedReadedProvider.SetTimeReaded("comments");
            }

            var feeds = FeedAggregateDataProvider
                .GetFeeds(filter)
                .GroupBy(n => n.GroupId,
                         n => new FeedWrapper(n),
                         (n, group) =>
                             {
                                 var firstFeed = group.First();
                                 firstFeed.GroupedFeeds = group.Skip(1);
                                 return firstFeed;
                             })
                .ToList();

            context.SetDataPaginated();
            return new {feeds, readedDate, commentReadedDate};
        }

 public VoipCallWrapper(VoipCall call, ContactWrapper contact = null)
 {
     Id = call.Id;
     From = call.From;
     To = call.To;
     Status = call.Status;
     AnsweredBy = EmployeeWraper.Get(call.AnsweredBy);
     DialDate = new ApiDateTime(call.DialDate);
     DialDuration = call.DialDuration;
     Cost = call.TotalPrice;
     Contact = contact;
     History = call.History.Select(h => new VoipCallHistoryWrapper(h));
 }

        public IEnumerable<MailBoxManager.MailFolderInfo> GetFolders(ApiDateTime last_check_time)
        {
            if (null != last_check_time)
            {
                var api_date = new ApiDateTime(mailBoxManager.GetMessagesModifyDate(TenantId, Username));
                var compare_rez = api_date.CompareTo(last_check_time);

                if (compare_rez < 1 && System.DateTime.MinValue != api_date) // if api_date == DateTime.MinValue then there are no folders in mail_folder
                {
                    return null;
                }
            }
            return FoldersList;
        }

        /// <summary>
        /// 设置系统时间
        /// </summary>
        /// <param name="newDateTime">新时间</param>
        /// <returns></returns>
        public static bool SetDateTime(DateTime newDateTime)
        {
            int UtcOffset = TimeZone.CurrentTimeZone.GetUtcOffset(new DateTime(2001, 09, 01)).Hours;
            newDateTime = newDateTime.AddHours(-UtcOffset);

            ApiDateTime st = new ApiDateTime();
            st.year = Convert.ToUInt16(newDateTime.Year);
            st.month = Convert.ToUInt16(newDateTime.Month);
            st.day = Convert.ToUInt16(newDateTime.Day);
            st.dayofweek = Convert.ToUInt16(newDateTime.DayOfWeek);
            st.hour = Convert.ToUInt16(newDateTime.Hour);
            st.minute = Convert.ToUInt16(newDateTime.Minute);
            st.second = Convert.ToUInt16(newDateTime.Second);
            st.milliseconds = Convert.ToUInt16(newDateTime.Millisecond);
            return SetSystemTime(st);
        }

        public static List<EventWrapper> GetEventWrappers(this BaseCalendar calendar, Guid userId, ApiDateTime startDate, ApiDateTime endDate)
        {   
            var result = new List<EventWrapper>();
            if (calendar != null)
            {
                var events = calendar.LoadEvents(userId, startDate.UtcTime, endDate.UtcTime);
                foreach (var e in events)
                {
                    var wrapper = new EventWrapper(e, userId, calendar.TimeZone);
                    var listWrapper = wrapper.GetList(startDate.UtcTime, endDate.UtcTime);
                    result.AddRange(listWrapper);
                }
            }

            return result;
        }

        public IEnumerable<MilestoneWrapper> GetMilestonesByFilter(
            int projectid,
            int tag,
            MilestoneStatus? status,
            ApiDateTime deadlineStart,
            ApiDateTime deadlineStop, Guid? taskResponsible,
            int lastId,
            bool myProjects,
            Guid milestoneResponsible)
        {
            var milestoneEngine = EngineFactory.GetMilestoneEngine();

            var filter = new TaskFilter
                {
                    UserId = milestoneResponsible,
                    ParticipantId = taskResponsible,
                    TagId = tag,
                    FromDate = deadlineStart,
                    ToDate = deadlineStop,
                    SortBy = _context.SortBy,
                    SortOrder = !_context.SortDescending,
                    SearchText = _context.FilterValue,
                    Offset = _context.StartIndex,
                    Max = _context.Count,
                    LastId = lastId,
                    MyProjects = myProjects
                };

            if (projectid != 0)
            {
                filter.ProjectIds.Add(projectid);
            }

            if (status != null)
            {
                filter.MilestoneStatuses.Add((MilestoneStatus)status);
            }

            _context.SetDataPaginated();
            _context.SetDataFiltered();
            _context.SetDataSorted();
            _context.TotalCount = milestoneEngine.GetByFilterCount(filter);

            return milestoneEngine.GetByFilter(filter).NotFoundIfNull().Select(r => new MilestoneWrapper(r)).ToSmartList();
        }

        public IEnumerable<ContactBaseWrapper> DeleteBatchContacts(
            IEnumerable<String> tags,
            int? contactStage,
            int? contactType,
            ContactListViewType contactListView,
            ApiDateTime fromDate,
            ApiDateTime toDate)
        {
            int contactStageInt = contactStage.HasValue ? contactStage.Value : -1;
            int contactTypeInt = contactType.HasValue ? contactType.Value : -1;


            var contacts = DaoFactory.GetContactDao().GetContacts(
                _context.FilterValue,
                tags,
                contactStageInt,
                contactTypeInt,
                contactListView,
                fromDate,
                toDate,
                0,
                0,
                null);

            contacts = DaoFactory.GetContactDao().DeleteBatchContact(contacts);
            MessageService.Send(Request, MessageAction.ContactsDeleted, contacts.Select(c => c.ID.ToString(CultureInfo.InvariantCulture)));

            return contacts.Select(ToContactBaseWrapper);
        }