!7

lib 1400446 // caldav4j

import net.fortuna.ical4j.model.Calendar;

import net.fortuna.ical4j.model.Component;

import net.fortuna.ical4j.model.ComponentList;

import net.fortuna.ical4j.model.component.VEvent;

import net.fortuna.ical4j.model.Date;

import net.fortuna.ical4j.util.UidGenerator;

import org.apache.commons.httpclient.HostConfiguration;

import org.apache.commons.httpclient.UsernamePasswordCredentials;

import org.apache.commons.httpclient.auth.AuthScope;

import org.osaf.caldav4j.CalDAVCollection;

import org.osaf.caldav4j.CalDAVConstants;

import org.osaf.caldav4j.exceptions.CalDAV4JException;

import org.osaf.caldav4j.methods.CalDAV4JMethodFactory;

import org.osaf.caldav4j.methods.HttpClient;

import org.osaf.caldav4j.model.request.CalendarQuery;

import org.osaf.caldav4j.util.GenerateQuery;

cprint {

  transient Calendar mainCalendar;

  transient CalDAVCollection collection;

  transient HttpClient httpClient;

  double calcDuration(VEvent ve) {

    return (    ve.getEndDate().getDate().getTime()

            - ve.getStartDate().getDate().getTime())

           / (1000. * 60. * 60.);

  }

  start-thread {

    httpClient = new HttpClient;

    httpClient.getHostConfiguration().setHost("localhost", 5232, "http");

    String username = "stefan";

    UsernamePasswordCredentials httpCredentials = new(username, "bla");

    httpClient.getState().setCredentials(AuthScope.ANY, httpCredentials);

    httpClient.getParams().setAuthenticationPreemptive(true);

    collection = new CalDAVCollection(

        //"/dav/"+ username +"/Calendar",

        "/stefan/cbedc050-528e-3102-6f59-2bda1287cb87/",

        (HostConfiguration) httpClient.getHostConfiguration().clone(),

        new CalDAV4JMethodFactory(),

        CalDAVConstants.PROC_ID_DEFAULT

        );

    new GenerateQuery gq;

    // filter by date

    gq.setFilter("VEVENT [20201001T000000Z;20211010T000000Z] : STATUS!=CANCELLED");

    // Get the raw caldav query

    // System.out.println("Query: "+ gq.prettyPrint());

    CalendarQuery calendarQuery = gq.generate();

    L<Calendar> calendars = collection.queryCalendars(httpClient, calendarQuery);

    print("Have " + n2(calendars, "calendar"));

    mainCalendar = first(calendars);

    for (Calendar calendar : calendars) {

      ComponentList componentList = calendar.getComponents().getComponents(Component.VEVENT);

      Iterator<VEvent> eventIterator = componentList.iterator();

      while (eventIterator.hasNext()) {

        VEvent ve = eventIterator.next();

        print("Event: "+ ve.toString());

        print("Duration (h): "+ String.format("%.2f", calcDuration(ve)));

        print("\n\n");

      }

    }

    print("done");

  }

  void createChristmas ctex {

    java.util.Calendar calendar = java.util.Calendar.getInstance();

    calendar.set(java.util.Calendar.MONTH, java.util.Calendar.DECEMBER);

    calendar.set(java.util.Calendar.DAY_OF_MONTH, 25);

    // initialise as an all-day event..

    VEvent christmas = new VEvent(new Date(calendar.getTime()), "Christmas Day");

    // Generate a UID for the event..

    UidGenerator ug = new("1");

    christmas.getProperties().add(ug.generateUid());

    mainCalendar.getComponents().add(christmas);

    print("Christmas added: " + christmas);

  }

  void createCalendar ctex {

    collection.createCalendar(httpClient);

  }

}