Initial revision

1 files changed, 355 insertions, 0 deletions

diff --git a/libkcal/scheduler.cpp b/libkcal/scheduler.cpp
new file mode 100644
index 0000000..253d8b7
--- a/dev/null
+++ b/libkcal/scheduler.cpp
@@ -0,0 +1,355 @@
+/*
+    This file is part of libkcal.
+    Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+    Boston, MA 02111-1307, USA.
+*/
+
+#include <qdir.h>
+#include <qfile.h>
+#include <qtextstream.h>
+
+#include <klocale.h>
+#include <kdebug.h>
+#include <kstandarddirs.h>
+
+#include "event.h"
+#include "todo.h"
+#include "freebusy.h"
+#include "icalformat.h"
+#include "calendar.h"
+
+#include "scheduler.h"
+
+using namespace KCal;
+
+ScheduleMessage::ScheduleMessage(IncidenceBase *incidence,int method,ScheduleMessage::Status status)
+{
+  mIncidence = incidence;
+  mMethod = method;
+  mStatus = status;
+}
+
+QString ScheduleMessage::statusName(ScheduleMessage::Status status)
+{
+  switch (status) {
+    case PublishNew:
+      return i18n("Publish");
+    case Obsolete:
+      return i18n("Obsolete");
+    case RequestNew:
+      return i18n("New Request");
+    case RequestUpdate:
+      return i18n("Updated Request");
+    default:
+      return i18n("Unknown Status: %1").arg(QString::number(status));
+  }
+}
+
+Scheduler::Scheduler(Calendar *calendar)
+{
+  mCalendar = calendar;
+  mFormat = new ICalFormat();
+}
+
+Scheduler::~Scheduler()
+{
+  delete mFormat;
+}
+
+bool Scheduler::acceptTransaction(IncidenceBase *incidence,Method method,ScheduleMessage::Status status)
+{
+  kdDebug() << "Scheduler::acceptTransaction " << endl;
+  switch (method) {
+    case Publish:
+      return acceptPublish(incidence, status, method);
+    case Request:
+      return acceptRequest(incidence, status);
+    case Add:
+      return acceptAdd(incidence, status);
+    case Cancel:
+      return acceptCancel(incidence, status);
+    case Declinecounter:
+      return acceptDeclineCounter(incidence, status);
+    case Reply:
+      return acceptReply(incidence, status, method);
+    case Refresh:
+      return acceptRefresh(incidence, status);
+    case Counter:
+      return acceptCounter(incidence, status);
+    default:
+      deleteTransaction(incidence);
+      return false;
+  }
+  deleteTransaction(incidence);
+  return false;
+}
+
+QString Scheduler::methodName(Method method)
+{
+  switch (method) {
+    case Publish:
+      return QString::fromLatin1("Publish");
+    case Request:
+      return QString::fromLatin1("Request");
+    case Refresh:
+      return QString::fromLatin1("Refresh");
+    case Cancel:
+      return QString::fromLatin1("Cancel");
+    case Add:
+      return QString::fromLatin1("Add");
+    case Reply:
+      return QString::fromLatin1("Reply");
+    case Counter:
+      return QString::fromLatin1("Counter");
+    case Declinecounter:
+      return QString::fromLatin1("Decline Counter");
+    default:
+      return QString::fromLatin1("Unknown");
+  }
+}
+
+QString Scheduler::translatedMethodName(Method method)
+{
+  switch (method) {
+    case Publish:
+      return i18n("Publish");
+    case Request:
+      return i18n("Request");
+    case Refresh:
+      return i18n("Refresh");
+    case Cancel:
+      return i18n("Cancel");
+    case Add:
+      return i18n("Add");
+    case Reply:
+      return i18n("Reply");
+    case Counter:
+      return i18n("counter proposal","Counter");
+    case Declinecounter:
+      return i18n("decline counter proposal","Decline Counter");
+    default:
+      return i18n("Unknown");
+  }
+}
+
+bool Scheduler::deleteTransaction(IncidenceBase *)
+{
+  return true;
+}
+
+bool Scheduler::acceptPublish(IncidenceBase *incidence,ScheduleMessage::Status status, Method method)
+{
+  if(incidence->type()=="FreeBusy") {
+    return acceptFreeBusy(incidence, method);
+  }
+  switch (status) {
+    case ScheduleMessage::Unknown:
+    case ScheduleMessage::PublishNew:
+      if (!mCalendar->event(incidence->uid())) {
+	Incidence *inc = static_cast<Incidence *>(incidence);
+        mCalendar->addIncidence(inc);
+        deleteTransaction(incidence);
+      }
+      return true;
+    case ScheduleMessage::Obsolete:
+      return true;
+    default:
+      deleteTransaction(incidence);
+      return false;
+  }
+  deleteTransaction(incidence);
+  return false;
+}
+
+bool Scheduler::acceptRequest(IncidenceBase *incidence,ScheduleMessage::Status status)
+{
+  Incidence *inc = static_cast<Incidence *>(incidence);
+  if (inc->type()=="FreeBusy") {
+    // reply to this request is handled in korganizer's incomingdialog
+    return true;
+  } else {
+    Event *even = mCalendar->event(incidence->uid());
+    if (even) {
+      if ( even->revision()<=inc->revision() ) {
+        if ( even->revision()==inc->revision() &&
+             even->lastModified()>inc->lastModified()) {
+          deleteTransaction(incidence);
+          return false;
+        }
+        mCalendar->deleteEvent(even);
+      } else {
+        deleteTransaction(incidence);
+        return false;
+      }
+    } else {
+      Todo *todo = mCalendar->todo(incidence->uid());
+      if (todo) {
+        if ( todo->revision()<=inc->revision() ) {
+          if ( todo->revision()==inc->revision() &&
+               todo->lastModified()>inc->lastModified()) {
+            deleteTransaction(incidence);
+            return false;
+          }
+          mCalendar->deleteTodo(todo);
+        } else {
+          deleteTransaction(incidence);
+          return false;
+        }
+      }
+    }
+  }
+  mCalendar->addIncidence(inc);
+  deleteTransaction(incidence);
+  return true;
+}
+
+bool Scheduler::acceptAdd(IncidenceBase *incidence,ScheduleMessage::Status status)
+{
+  deleteTransaction(incidence);
+  return false;
+}
+
+bool Scheduler::acceptCancel(IncidenceBase *incidence,ScheduleMessage::Status status)
+{
+  bool ret = false;
+  Event *even = mCalendar->event(incidence->uid());
+  if (even) {
+    mCalendar->deleteEvent(even);
+    ret = true;
+  } else {
+    Todo *todo = mCalendar->todo(incidence->uid());
+    if (todo) {
+      mCalendar->deleteTodo(todo);
+      ret = true;
+    }
+  }
+  deleteTransaction(incidence);
+  return ret;
+}
+
+bool Scheduler::acceptDeclineCounter(IncidenceBase *incidence,ScheduleMessage::Status status)
+{
+  deleteTransaction(incidence);
+  return false;
+}
+
+//bool Scheduler::acceptFreeBusy(Incidence *incidence,ScheduleMessage::Status status)
+//{
+//  deleteTransaction(incidence);
+//  return false;
+//}
+
+bool Scheduler::acceptReply(IncidenceBase *incidence,ScheduleMessage::Status status, Method method)
+{
+  if(incidence->type()=="FreeBusy") {
+    return acceptFreeBusy(incidence, method);
+  }
+  bool ret = false;
+  Event *ev = mCalendar->event(incidence->uid());
+  Todo *to = mCalendar->todo(incidence->uid());
+  if (ev || to) {
+    //get matching attendee in calendar
+    kdDebug(5800) << "Scheduler::acceptTransaction match found!" << endl;
+    QPtrList<Attendee> attendeesIn = incidence->attendees();
+    QPtrList<Attendee> attendeesEv;
+    if (ev) attendeesEv = ev->attendees();
+    if (to) attendeesEv = to->attendees();
+    Attendee *attIn;
+    Attendee *attEv;
+    for ( attIn = attendeesIn.first(); attIn; attIn = attendeesIn.next() ) {
+      for ( attEv = attendeesEv.first(); attEv; attEv = attendeesEv.next() ) {
+        if (attIn->email()==attEv->email()) {
+          //update attendee-info
+          kdDebug(5800) << "Scheduler::acceptTransaction update attendee" << endl;
+          attEv->setStatus(attIn->status());
+	  attEv->setRSVP(false);
+	  // better to not update the sequence number with replys
+          //if (ev) ev->setRevision(ev->revision()+1);
+	  //if (to) to->setRevision(to->revision()+1);
+          ret = true;
+        }
+      }
+    }
+  }
+  if (ret) deleteTransaction(incidence);
+  return ret;
+}
+
+bool Scheduler::acceptRefresh(IncidenceBase *incidence,ScheduleMessage::Status status)
+{
+  // handled in korganizer's IncomingDialog
+  deleteTransaction(incidence);
+  return false;
+}
+
+bool Scheduler::acceptCounter(IncidenceBase *incidence,ScheduleMessage::Status status)
+{
+  deleteTransaction(incidence);
+  return false;
+}
+
+bool Scheduler::acceptFreeBusy(IncidenceBase *incidence, Method method)
+{
+  FreeBusy *freebusy = static_cast<FreeBusy *>(incidence);
+
+  QString freeBusyDirName = locateLocal("appdata","freebusy");
+  kdDebug() << "acceptFreeBusy:: freeBusyDirName: " << freeBusyDirName << endl;
+
+  QString from;
+  if(method == Scheduler::Publish) {
+    from = freebusy->organizer();
+  }
+  if((method == Scheduler::Reply) && (freebusy->attendeeCount() == 1)) {
+    Attendee *attendee = freebusy->attendees().first();
+    from = attendee->email();
+  }
+
+  QDir freeBusyDir(freeBusyDirName);
+  if (!freeBusyDir.exists()) {
+    kdDebug() << "Directory " << freeBusyDirName << " does not exist!" << endl;
+    kdDebug() << "Creating directory: " << freeBusyDirName << endl;
+    
+    if(!freeBusyDir.mkdir(freeBusyDirName, TRUE)) {
+      kdDebug() << "Could not create directory: " << freeBusyDirName << endl;
+      return false;
+    }
+  }
+
+  QString filename(freeBusyDirName);
+  filename += "/";
+  filename += from;
+  filename += ".ifb";
+  QFile f(filename);
+
+  kdDebug() << "acceptFreeBusy: filename" << filename << endl;
+
+  freebusy->clearAttendees();
+  freebusy->setOrganizer(from);
+
+  QString messageText = mFormat->createScheduleMessage(freebusy, Publish);
+
+  if (!f.open(IO_ReadWrite)) {
+   kdDebug() << "acceptFreeBusy: Can't open:" << filename << " for writing" << endl;
+   return false;
+  }
+  QTextStream t(&f);
+  t << messageText;
+  f.close();
+
+  deleteTransaction(incidence);
+  return true;
+}