michael@0: /**
michael@0:  * Copyright (c) 2012-2013, Gerald Garcia, Timo Berger
michael@0:  * 
michael@0:  * This file is part of Andoid Caldav Sync Adapter Free.
michael@0:  *
michael@0:  * Andoid Caldav Sync Adapter Free is free software: you can redistribute 
michael@0:  * it and/or modify it under the terms of the GNU General Public License 
michael@0:  * as published by the Free Software Foundation, either version 3 of the 
michael@0:  * License, or at your option any later version.
michael@0:  *
michael@0:  * Andoid Caldav Sync Adapter Free is distributed in the hope that 
michael@0:  * it will be useful, but WITHOUT ANY WARRANTY; without even the implied 
michael@0:  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
michael@0:  * GNU General Public License for more details.
michael@0:  *
michael@0:  * You should have received a copy of the GNU General Public License
michael@0:  * along with Andoid Caldav Sync Adapter Free.  
michael@0:  * If not, see <http://www.gnu.org/licenses/>.
michael@0:  * 
michael@0:  */
michael@0: package org.gege.caldavsyncadapter;
michael@0: 
michael@0: import android.content.ContentValues;
michael@0: import android.provider.CalendarContract.Events;
michael@0: import android.util.Log;
michael@0: 
michael@0: /**
michael@0:  * abstract class for Calendar and Android events 
michael@0:  */
michael@0: abstract public class Event {
michael@0: 	private static final String TAG = "Event";
michael@0: 	
michael@0: 	/**
michael@0: 	 * stores the ETAG of an event
michael@0: 	 */
michael@0: 	public static String ETAG = Events.SYNC_DATA1;
michael@0: 
michael@0: 	/**
michael@0: 	 * internal Tag used to identify deleted events 
michael@0: 	 */
michael@0: 	public static String INTERNALTAG = Events.SYNC_DATA2;
michael@0: 
michael@0: 	/**
michael@0: 	 * store the whole VEVENT in here
michael@0: 	 * missing TAGs they might be missing for google update
michael@0: 	 * 
michael@0: 	 * CREATED:20130906T102857Z
michael@0: 	 * DTSTAMP:20130906T102857Z
michael@0: 	 * LAST-MODIFIED:20130906T102857Z
michael@0: 	 * SEQUENCE:0
michael@0: 	 */
michael@0: 	public static String RAWDATA = Events.SYNC_DATA3;
michael@0: 
michael@0: 	/**
michael@0: 	 * stores the UID of an Event
michael@0: 	 * example: UID:e6be67c6-eff0-44f8-a1a0-6c2cb1029944-caldavsyncadapter
michael@0: 	 */
michael@0: 	public static String UID = Events.SYNC_DATA4;
michael@0: 	
michael@0: 	/**
michael@0: 	 * the event transformed into ContentValues
michael@0: 	 */
michael@0: 	public ContentValues ContentValues = new ContentValues();
michael@0: 	
michael@0: 	abstract public String getETag();
michael@0: 	abstract public void setETag(String ETag);
michael@0: 
michael@0: 	/**
michael@0: 	 * returns a list of all items that are comparable with this sync adapter
michael@0: 	 * @return a list of all items that are comparable with this sync adapter
michael@0: 	 */
michael@0: 	public static java.util.ArrayList<String> getComparableItems() {
michael@0: 		java.util.ArrayList<String> Result = new java.util.ArrayList<String>();
michael@0: 		Result.add(Events.DTSTART);
michael@0: 		Result.add(Events.DTEND);
michael@0: 		Result.add(Events.EVENT_TIMEZONE);
michael@0: 		Result.add(Events.EVENT_END_TIMEZONE);
michael@0: 		Result.add(Events.ALL_DAY);
michael@0: 		Result.add(Events.DURATION);
michael@0: 		Result.add(Events.TITLE);
michael@0: 		Result.add(Events.CALENDAR_ID);
michael@0: 		Result.add(Events._SYNC_ID);
michael@0: 		//Result.add(Events.SYNC_DATA1);
michael@0: 		Result.add(ETAG);
michael@0: 		Result.add(Events.DESCRIPTION);
michael@0: 		Result.add(Events.EVENT_LOCATION);
michael@0: 		Result.add(Events.ACCESS_LEVEL);
michael@0: 		Result.add(Events.STATUS);
michael@0: 		Result.add(Events.RDATE);
michael@0: 		Result.add(Events.RRULE);
michael@0: 		Result.add(Events.EXRULE);
michael@0: 		Result.add(Events.EXDATE);
michael@0: 		Result.add(UID);
michael@0: 		
michael@0: 		return Result;
michael@0: 	}
michael@0: 	
michael@0: 	/**
michael@0: 	 * sets the AndroidCalendarId for this event
michael@0: 	 * @param ID the AndroidCalendarId for this event
michael@0: 	 */
michael@0: 	public void setAndroidCalendarId(long ID) {
michael@0: 		if (this.ContentValues.containsKey(Events.CALENDAR_ID))
michael@0: 			this.ContentValues.remove(Events.CALENDAR_ID);
michael@0: 		
michael@0: 		this.ContentValues.put(Events.CALENDAR_ID, ID);
michael@0: 	}
michael@0: 
michael@0: 	/**
michael@0: 	 * returns the AndroidCalendarId for this event.
michael@0: 	 * @return the AndroidCalendarId for this event
michael@0: 	 */
michael@0: 	public long getAndroidCalendarId() {
michael@0: 		long Result = -1;
michael@0: 		if (this.ContentValues.containsKey(Events.CALENDAR_ID))
michael@0: 			Result = this.ContentValues.getAsLong(Events.CALENDAR_ID);
michael@0: 		return Result;
michael@0: 	}
michael@0: 
michael@0: 	/**
michael@0: 	 * returns the UID for this event. you can also check, whether the UID was stored from server. the V1.7 release and before didn't save them.
michael@0: 	 * example: UID:e6be67c6-eff0-44f8-a1a0-6c2cb1029944-caldavsyncadapter
michael@0: 	 * @return the UID for this event
michael@0: 	 */
michael@0: 	public String getUID() {
michael@0: 		String Result = "";
michael@0: 		if (this.ContentValues.containsKey(UID))
michael@0: 			Result = this.ContentValues.getAsString(UID);
michael@0: 		
michael@0: 		return Result;
michael@0: 	}
michael@0: 	
michael@0: 	/**
michael@0: 	 * compares the given ContentValues with the current ones for differences
michael@0: 	 * @param calendarEventValues the contentValues of the calendar event
michael@0: 	 * @return if the events are different
michael@0: 	 */
michael@0: 	public boolean checkEventValuesChanged(ContentValues calendarEventValues) {
michael@0: 		boolean Result = false;
michael@0: 		Object ValueAndroid = null;
michael@0: 		Object ValueCalendar = null;
michael@0: 		java.util.ArrayList<String> CompareItems = Event.getComparableItems();
michael@0: 		
michael@0: 		for (String Key: CompareItems) {
michael@0: 
michael@0: 			if (this.ContentValues.containsKey(Key)) 
michael@0: 				ValueAndroid = this.ContentValues.get(Key);
michael@0: 			else
michael@0: 				ValueAndroid = null;
michael@0: 
michael@0: 			if (calendarEventValues.containsKey(Key))
michael@0: 				ValueCalendar = calendarEventValues.get(Key);
michael@0: 			else
michael@0: 				ValueCalendar = null;
michael@0: 
michael@0: 			/*
michael@0: 			 * TODO: Sync is designed to "Server always wins", should be a general option for this adapter
michael@0: 			 */
michael@0: 			if (ValueAndroid != null) {
michael@0: 				if (ValueCalendar != null) {
michael@0: 					if (!ValueAndroid.toString().equals(ValueCalendar.toString())) {
michael@0: 						Log.d(TAG, "difference in " + Key.toString() + ":" + ValueAndroid.toString() + " <> " + ValueCalendar.toString());
michael@0: 						this.ContentValues.put(Key,ValueCalendar.toString());
michael@0: 						Result = true;
michael@0: 					}
michael@0: 				} else {
michael@0: 					Log.d(TAG, "difference in " + Key.toString() + ":" + ValueAndroid.toString() + " <> null");
michael@0: 					this.ContentValues.putNull(Key);
michael@0: 					Result = true;
michael@0: 				}
michael@0: 			} else {
michael@0: 				if (ValueCalendar != null) {
michael@0: 					Log.d(TAG, "difference in " + Key.toString() + ":null <> " + ValueCalendar.toString());
michael@0: 					this.ContentValues.put(Key, ValueCalendar.toString());
michael@0: 					Result = true;
michael@0: 				} else {
michael@0: 					// both null -> this is ok
michael@0: 				}
michael@0: 			}
michael@0: 		}
michael@0: 		
michael@0: 		return Result;
michael@0: 	}
michael@0: }