329 lines
12 KiB
C#
329 lines
12 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using ASC.Common.Utils;
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using ASC.Web.Core.Calendars;
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using System.Globalization;
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using ASC.Core;
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namespace ASC.Calendar.iCalParser
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{
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public class iCalendarEmitter : IEmitter
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{
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private iCalendar _curCalendar;
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private iCalEvent _curEvent;
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private Stack<Token> _component= new Stack<Token>();
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private Token _curPropToken = null;
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public Parser VParser { get; set; }
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private AuthContext AuthContext { get; }
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private TimeZoneConverter TimeZoneConverter { get; }
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private TenantManager TenantManager { get; }
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public iCalendarEmitter(
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AuthContext authContext,
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TimeZoneConverter timeZoneConverter,
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TenantManager tenantManager)
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{
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AuthContext = authContext;
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TimeZoneConverter = timeZoneConverter;
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TenantManager = tenantManager;
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}
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public iCalendar GetCalendar()
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{
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return _curCalendar;
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}
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public void doIntro(){}
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public void doOutro()
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{
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}
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public void doComponent() { }
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public void doResource(Token t) { }
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public void emit(string val) { }
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public void doEnd(Token t)
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{
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_curPropToken = null;
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}
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public void doResourceBegin(Token t)
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{
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_curPropToken = t;
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}
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public void doBegin(Token t)
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{
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}
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public void doEndComponent()
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{
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_component.Pop();
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}
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public void doComponentBegin(Token t)
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{
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_component.Push(t);
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switch (t.TokenVal)
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{
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case TokenValue.Tvcalendar:
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_curCalendar = new iCalendar(AuthContext, TimeZoneConverter, TenantManager);
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break;
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case TokenValue.Tvevent:
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case TokenValue.Tvjournal:
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_curEvent = new iCalEvent();
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_curCalendar.Events.Add(_curEvent);
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_curEvent.CalendarId = _curCalendar.Id;
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break;
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}
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}
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public void doID(Token t)
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{
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_curPropToken = t;
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}
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public void doSymbolic(Token t)
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{
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}
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public void doURIResource(Token t)
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{
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}
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public void doMailto(Token t)
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{
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}
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public void doValueProperty(Token t, Token iprop)
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{
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var dateTime = DateTime.MinValue;
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bool isAllDay = true;
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bool isUTC = true;
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if (_curPropToken.TokenVal == TokenValue.Tdtstart
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|| _curPropToken.TokenVal == TokenValue.Tdtend
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|| _curPropToken.TokenVal == TokenValue.Texdate)
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{
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if (iprop != null && iprop.TokenText.ToLowerInvariant() == "date")
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dateTime = Token.ParseDate(t.TokenText);
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else
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dateTime = Token.ParseDateTime(t.TokenText, out isAllDay, out isUTC);
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}
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if (_component.Count > 0)
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{
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switch (_component.Peek().TokenVal)
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{
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case TokenValue.Tvevent:
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if (_curPropToken.TokenVal == TokenValue.Tdtstart)
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{
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_curEvent.AllDayLong = isAllDay;
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_curEvent.OriginalStartDate = dateTime;
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if (!isAllDay && !isUTC && _curCalendar.TimeZone != null)
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_curEvent.UtcStartDate = dateTime.Subtract(_curCalendar.TimeZone.GetOffset());
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else
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_curEvent.UtcStartDate = dateTime;
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}
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else if (_curPropToken.TokenVal == TokenValue.Tdtend)
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{
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_curEvent.OriginalEndDate = dateTime;
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if (!isAllDay && !isUTC && _curCalendar.TimeZone != null)
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_curEvent.UtcEndDate = dateTime.Subtract(_curCalendar.TimeZone.GetOffset());
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else if (isAllDay)
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_curEvent.UtcEndDate = dateTime.AddDays(-1);
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else
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_curEvent.UtcEndDate = dateTime;
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}
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else if (_curPropToken.TokenVal == TokenValue.Texdate)
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{
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_curEvent.RecurrenceRule.ExDates.Add(new RecurrenceRule.ExDate() { Date = dateTime, IsDateTime = !isAllDay });
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}
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break;
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}
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}
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}
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public void doIprop(Token t, Token iprop)
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{
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}
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public void doRest(Token t, Token id)
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{
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_curPropToken = null;
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if (_component.Count <= 0)
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return;
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switch (_component.Peek().TokenVal)
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{
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case TokenValue.Tvcalendar:
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case TokenValue.Tvtimezone:
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switch (id.TokenText.ToLowerInvariant())
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{
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case "tzid":
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_curCalendar.TZID = t.TokenText;
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break;
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case "x:wrtimezone":
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_curCalendar.xTimeZone = t.TokenText;
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break;
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case "x:wrcalname":
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_curCalendar.Name = t.TokenText;
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break;
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case "x:wrcaldesc":
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_curCalendar.Description = t.TokenText;
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break;
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}
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break;
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case TokenValue.Tvevent:
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switch (id.TokenText.ToLowerInvariant())
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{
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case "description":
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_curEvent.Description = t.TokenText;
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break;
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case "summary":
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_curEvent.Name = t.TokenText;
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break;
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case "uid":
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_curEvent.Id = t.TokenText;
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break;
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}
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break;
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}
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}
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public void doAttribute(Token key, Token val)
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{
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if (_component.Count <= 0)
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return;
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//event timezone
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if ((_curPropToken.TokenVal == TokenValue.Tdtstart || _curPropToken.TokenVal == TokenValue.Tdtend) && _component.Peek().TokenVal == TokenValue.Tvevent)
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{
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switch (key.TokenText.ToLowerInvariant())
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{
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case "tzid":
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if (!_curEvent.AllDayLong)
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{
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var tz = TimeZoneConverter.GetTimeZone(val.TokenText);
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if (_curPropToken.TokenVal == TokenValue.Tdtstart)
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_curEvent.UtcStartDate = _curEvent.OriginalStartDate.Subtract(tz.GetOffset());
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else if (_curPropToken.TokenVal == TokenValue.Tdtend)
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_curEvent.UtcEndDate = _curEvent.OriginalEndDate.Subtract(tz.GetOffset());
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}
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break;
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}
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}
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//event rrule
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if (_curPropToken.TokenVal == TokenValue.Trrule && _component.Peek().TokenVal == TokenValue.Tvevent)
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{
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switch(key.TokenText.ToLowerInvariant())
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{
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case "freq":
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_curEvent.RecurrenceRule.Freq = RecurrenceRule.ParseFrequency(val.TokenText);
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break;
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case "until":
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bool isDate, isUTC;
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_curEvent.RecurrenceRule.Until = Token.ParseDateTime(val.TokenText, out isDate, out isUTC);
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break;
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case "count":
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_curEvent.RecurrenceRule.Count = Convert.ToInt32(val.TokenText);
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break;
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case "interval":
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_curEvent.RecurrenceRule.Interval = Convert.ToInt32(val.TokenText);
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break;
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case "bysecond":
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_curEvent.RecurrenceRule.BySecond = val.TokenText.Split(',').Select(v => Convert.ToInt32(v)).ToArray();
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break;
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case "byminute":
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_curEvent.RecurrenceRule.ByMinute= val.TokenText.Split(',').Select(v => Convert.ToInt32(v)).ToArray();
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break;
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case "byhour":
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_curEvent.RecurrenceRule.ByHour = val.TokenText.Split(',').Select(v => Convert.ToInt32(v)).ToArray();
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break;
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case "byday":
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_curEvent.RecurrenceRule.ByDay = val.TokenText.Split(',').Select(v => RecurrenceRule.WeekDay.Parse(v)).ToArray();
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break;
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case "bymonthday":
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_curEvent.RecurrenceRule.ByMonthDay = val.TokenText.Split(',').Select(v => Convert.ToInt32(v)).ToArray();
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break;
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case "byyearday":
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_curEvent.RecurrenceRule.ByYearDay = val.TokenText.Split(',').Select(v => Convert.ToInt32(v)).ToArray();
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break;
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case "byweekno":
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_curEvent.RecurrenceRule.ByWeekNo = val.TokenText.Split(',').Select(v => Convert.ToInt32(v)).ToArray();
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break;
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case "bymonth":
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_curEvent.RecurrenceRule.ByMonth = val.TokenText.Split(',').Select(v => Convert.ToInt32(v)).ToArray();
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break;
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case "bysetpos":
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_curEvent.RecurrenceRule.BySetPos= val.TokenText.Split(',').Select(v => Convert.ToInt32(v)).ToArray();
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break;
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case "wkst":
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_curEvent.RecurrenceRule.WKST = RecurrenceRule.WeekDay.Parse(val.TokenText);
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break;
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}
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}
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}
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}
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}
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