/*
* Copyright (C) 2010 Ixonos Plc.
+ * Copyright (C) 2011-2017 Philipp Spitzer, gregor herrmann, Stefan Stahl
*
- * This file is part of fosdem-schedule.
+ * This file is part of ConfClerk.
*
- * fosdem-schedule is free software: you can redistribute it and/or modify it
+ * ConfClerk is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 2 of the License, or (at your option)
* any later version.
*
- * fosdem-schedule is distributed in the hope that it will be useful, but
+ * ConfClerk 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 General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
- * fosdem-schedule. If not, see <http://www.gnu.org/licenses/>.
+ * ConfClerk. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mainwindow.h"
#include <QNetworkProxy>
#include <QNetworkAccessManager>
#include <QNetworkReply>
+#include <QSslConfiguration>
-#include <sqlengine.h>
+#include "sqlengine.h"
-#include <track.h>
-#include <eventmodel.h>
-#include <delegate.h>
+#include "track.h"
+#include "eventmodel.h"
+#include "delegate.h"
+#include "room.h"
-#include <conference.h>
+#include "conference.h"
#include <QDialog>
#include <QMessageBox>
+#include <application.h>
#include "ui_about.h"
-#include <eventdialog.h>
+#include "eventdialog.h"
#include "daynavigatorwidget.h"
#include "settingsdialog.h"
#include "conferenceeditor.h"
#include "schedulexmlparser.h"
#include "errormessage.h"
-#include <tabcontainer.h>
-#include <appsettings.h>
+#include "tabcontainer.h"
+#include "appsettings.h"
-const QString PROXY_USERNAME;
-const QString PROXY_PASSWD;
-
-MainWindow::MainWindow(int aEventId, QWidget *aParent)
- : QMainWindow(aParent)
- , conferenceModel(new ConferenceModel(this))
- , mXmlParser(new ScheduleXmlParser(this))
- , mNetworkAccessManager(new QNetworkAccessManager(this))
-{
+MainWindow::MainWindow(QWidget* parent): QMainWindow(parent) {
setupUi(this);
+ // Open database
+ sqlEngine = new SqlEngine(this);
+ searchTabContainer->setSqlEngine(sqlEngine);
+ connect(sqlEngine, SIGNAL(dbError(QString)), this, SLOT(showError(QString)));
+ sqlEngine->open();
+ sqlEngine->createOrUpdateDbSchema();
+
+ conferenceModel = new ConferenceModel(this);
+ mXmlParser = new ScheduleXmlParser(sqlEngine, this);
+ mNetworkAccessManager = new QNetworkAccessManager(this);
+ systemTrayIcon = new QSystemTrayIcon(qApp->windowIcon(), this);
+ alarmTimer = new QTimer(this);
+
+ alarmTimer->setInterval(60000);
+ alarmTimer->start();
saved_title = windowTitle();
#ifdef N810
if(!AppSettings::contains("proxyIsDirectConnection"))
AppSettings::setDirectConnection(true);
- if(AppSettings::isDirectConnection())
- {
- qDebug() << "Setting-up proxy: " << AppSettings::proxyAddress() << ":" << AppSettings::proxyPort();
- }
QNetworkProxy proxy(
- AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
+ AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : (QNetworkProxy::ProxyType)AppSettings::proxyType(),
AppSettings::proxyAddress(),
AppSettings::proxyPort(),
- PROXY_USERNAME,
- PROXY_PASSWD);
+ AppSettings::proxyUsername(),
+ AppSettings::proxyPassword());
QNetworkProxy::setApplicationProxy(proxy);
// event details have changed
- connect(dayTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
- connect(favsTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
- connect(tracksTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
- connect(roomsTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
- connect(nowTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
- connect(searchTabContainer, SIGNAL(eventHasChanged(int,bool)), SLOT(eventHasChanged(int,bool)));
-
- connect(aboutAction, SIGNAL(triggered()), SLOT(aboutApp()));
- connect(settingsAction, SIGNAL(triggered()), SLOT(setup()));
- connect(conferencesAction, SIGNAL(triggered()), SLOT(showConferences()));
-
+ connect(dayTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
+ connect(favsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
+ connect(tracksTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
+ connect(roomsTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
+ connect(searchTabContainer, SIGNAL(eventChanged(int,bool)), SLOT(onEventChanged(int,bool)));
+
+ // date has changed
+ connect(dayNavigator, SIGNAL(dateChanged(QDate)), dayTabContainer, SLOT(redisplayDate(QDate)));
+ connect(dayNavigator, SIGNAL(dateChanged(QDate)), favsTabContainer, SLOT(redisplayDate(QDate)));
+ connect(dayNavigator, SIGNAL(dateChanged(QDate)), tracksTabContainer, SLOT(redisplayDate(QDate)));
+ connect(dayNavigator, SIGNAL(dateChanged(QDate)), roomsTabContainer, SLOT(redisplayDate(QDate)));
+ connect(dayNavigator, SIGNAL(dateChanged(QDate)), searchTabContainer, SLOT(redisplayDate(QDate)));
+
+ // search result has changed
+ connect(searchTabContainer, SIGNAL(searchResultChanged()), SLOT(onSearchResultChanged()));
+
+ // systm tray icon
+ connect(systemTrayIcon, SIGNAL(messageClicked()), SLOT(onSystemTrayMessageClicked()));
+ connect(systemTrayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), SLOT(onSystemTrayMessageClicked()));
+
+ // timer
+ connect(alarmTimer, SIGNAL(timeout()), SLOT(onAlarmTimerTimeout()));
+
+ // add the actions from the main menu to the window, otherwise the shortcuts don't work on MAEMO
+ addAction(conferencesAction);
+ addAction(settingsAction);
+ addAction(quitAction);
+
+ // make it impossible to hide the toolbar by disallowing its context menu
+ toolBar->setContextMenuPolicy(Qt::PreventContextMenu);
+
+ // open conference
useConference(Conference::activeConference());
// optimization, see useConference() code
try {
clearTabs();
}
- // TODO: open conferences at startup?
- #if 0
- if(!confCount)
- tabWidget->setCurrentIndex(6); // 6 - conference tab
- }
- #endif
-
- // open dialog for given Event ID
- // this is used in case Alarm Dialog request application to start
- if(aEventId)
- {
- try
- {
- EventDialog dialog(aEventId,this);
- dialog.exec();
- }
- catch(OrmNoObjectException&) {} // just start application
- catch(...) {} // just start application
- }
-
+ connect(mNetworkAccessManager, SIGNAL(sslErrors(QNetworkReply*, QList<QSslError>)), SLOT(sslErrors(QNetworkReply*, QList<QSslError>)));
connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), SLOT(networkQueryFinished(QNetworkReply*)));
-
connect(mXmlParser, SIGNAL(parsingScheduleBegin()), conferenceModel, SLOT(newConferenceBegin()));
- connect(mXmlParser, SIGNAL(parsingScheduleEnd(const QString&)), conferenceModel, SLOT(newConferenceEnd(const QString&)));
+ connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), conferenceModel, SLOT(newConferenceEnd(int)));
+}
+
+
+MainWindow::~MainWindow() {
+ sqlEngine->close();
}
-void MainWindow::aboutApp()
+
+void MainWindow::on_aboutAction_triggered()
{
QDialog dialog(this);
Ui::AboutDialog ui;
ui.setupUi(&dialog);
+ ui.labDescription->setText(ui.labDescription->text().arg(qApp->applicationVersion()));
#ifdef N810
dialog.setFixedWidth(width());
#endif
dialog.exec();
}
-void MainWindow::eventHasChanged(int aEventId, bool aReloadModel)
-{
- dayTabContainer->updateTreeViewModel(aEventId);
- favsTabContainer->updateTreeViewModel(aEventId,aReloadModel);
- tracksTabContainer->updateTreeViewModel(aEventId);
- nowTabContainer->updateTreeViewModel(aEventId);
- roomsTabContainer->updateTreeViewModel(aEventId);
- searchTabContainer->updateTreeViewModel(aEventId);
+
+void MainWindow::on_reloadAction_triggered() {
+ int confId = Conference::activeConference();
+ if (confId== -1) return;
+ Conference active = Conference::getById(confId);
+ if (active.url().isEmpty()) return;
+ importFromNetwork(active.url(), confId);
+ setEnabled(false);
+}
+
+
+void MainWindow::on_nowAction_triggered() {
+ int confId = Conference::activeConference();
+ if (confId== -1) return;
+ dayNavigator->setCurDate(QDate::currentDate());
+ dayTabContainer->expandTimeGroup(QTime::currentTime(), confId);
+}
+
+
+void MainWindow::on_searchAction_triggered() {
+ if (tabWidget->currentWidget() == searchTab)
+ searchTabContainer->showSearchDialog(!searchTabContainer->searchDialogIsVisible());
+ else {
+ tabWidget->setCurrentWidget(searchTab);
+ searchTabContainer->showSearchDialog();
+ }
+}
+
+
+void MainWindow::on_expandAllAction_triggered() {
+ if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->expandAll();
+ if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->expandAll();
+ if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->expandAll();
+ if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->expandAll();
+ if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->expandAll();
+}
+
+
+void MainWindow::on_collapseAllAction_triggered() {
+ if (tabWidget->currentWidget() == favouritesTab) favsTabContainer->treeView->collapseAll();
+ if (tabWidget->currentWidget() == dayViewTab) dayTabContainer->treeView->collapseAll();
+ if (tabWidget->currentWidget() == tracksTab) tracksTabContainer->treeView->collapseAll();
+ if (tabWidget->currentWidget() == roomsTab) roomsTabContainer->treeView->collapseAll();
+ if (tabWidget->currentWidget() == searchTab) searchTabContainer->treeView->collapseAll();
+}
+
+
+void MainWindow::onEventChanged(int aEventId, bool favouriteChanged) {
+ dayTabContainer->redisplayEvent(aEventId);
+ if (favouriteChanged) favsTabContainer->redisplayDate(dayNavigator->curDate());
+ else favsTabContainer->redisplayEvent(aEventId);
+ tracksTabContainer->redisplayEvent(aEventId);
+ roomsTabContainer->redisplayEvent(aEventId);
+ searchTabContainer->redisplayEvent(aEventId);
+}
+
+
+void MainWindow::onSearchResultChanged() {
+ // Are results found on the current date?
+ QDate date = dayNavigator->curDate();
+ int count = searchTabContainer->searchResultCount(date);
+ if (count > 0) {searchTabContainer->redisplayDate(date); return;}
+
+ // Are results found in the future?
+ for (date = date.addDays(1); date <= dayNavigator->endDate(); date = date.addDays(1)) {
+ int count = searchTabContainer->searchResultCount(date);
+ if (count > 0) {dayNavigator->setCurDate(date); return;}
+ }
+
+ // Are results found in the past?
+ for (date = dayNavigator->startDate(); date < dayNavigator->curDate(); date = date.addDays(1)) {
+ int count = searchTabContainer->searchResultCount(date);
+ if (count > 0) {dayNavigator->setCurDate(date); return;}
+ }
+ // No results were found
+ searchTabContainer->redisplayDate(dayNavigator->curDate());
+}
+
+
+void MainWindow::onSystemTrayMessageClicked() {
+ systemTrayIcon->hide();
+}
+
+
+void MainWindow::onAlarmTimerTimeout() {
+ // determine if an alarm is set on an event that's starting soon
+ int conferenceId = Conference::activeConference();
+ QList<Event> events = Event::getImminentAlarmEvents(AppSettings::preEventAlarmSec(), conferenceId);
+ if (events.empty()) return;
+
+ // build a message string
+ const Conference conference = Conference::getById(conferenceId);
+ Event event;
+ QString title;
+ QString message;
+ if (events.size() == 1) {
+ event = events.first();
+ title = tr("Next event at %1").arg(conference.shiftTime(event.start().time()).toString("HH:mm"));
+ message = tr("\"%1\"\n(%2)").arg(event.title()).arg(event.room()->name());
+ } else {
+ title = tr("%1 upcoming events").arg(events.size());
+ QStringList messages;
+ foreach (event, events) {
+ messages += tr("%1: \"%2\" (%3)").arg(conference.shiftTime(event.start().time()).toString("HH:mm")).arg(event.title()).arg(event.room()->name());
+ }
+ message = messages.join("\n");
+ }
+
+ // and delete the corresponding alarm
+ foreach (event, events) {
+ event.setHasAlarm(false);
+ event.update("alarm");
+ onEventChanged(event.id(), false);
+ }
+
+ // show message
+ systemTrayIcon->show();
+ // The next two lines are to prevent a very strange position of the message box the first time at X11/aweseome (not Win32/XP)
+ systemTrayIcon->showMessage("ConfClerk", tr("Your upcoming events"), QSystemTrayIcon::Information);
+ qApp->processEvents();
+ systemTrayIcon->showMessage(title, message, QSystemTrayIcon::Information, 60*60*24*1000);
+ QApplication::alert(this);
+ QApplication::beep();
}
-void MainWindow::useConference(int id)
+
+void MainWindow::useConference(int conferenceId)
{
+ if (conferenceId == -1) // in case no conference is active
+ {
+ unsetConference();
+ return;
+ }
try {
- Conference::getById(Conference::activeConference()).update("active",0);
- Conference new_active = Conference::getById(id);
- new_active.update("active",1);
+ int oldActiveConferenceId = Conference::activeConference();
+ bool switchActiveConference = conferenceId != oldActiveConferenceId;
+ if (switchActiveConference) Conference::getById(oldActiveConferenceId).update("active", 0);
+ Conference activeConference = Conference::getById(conferenceId);
+ if (switchActiveConference) activeConference.update("active",1);
- // looks like it does not work at n900
- setWindowTitle(new_active.title());
+ // looks like it does not work at n900
+ setWindowTitle(activeConference.title());
// optimization.
- // dont run initTabs() here
+ // dont run initTabs() here
// it takes much CPU, making travelling between conferences in ConferenceEditor longer
// and is not seen in maemo WM anyway
- // instead run it explicitly
+ // instead run it explicitly
// 1. at startup
// 2. when ConferenceEditor finished
// dont forget to protect the calls by try-catch!
// end of optimization
// initTabs();
- } catch (OrmException& e) {
+ } catch (const OrmException& e) {
+ qDebug() << "OrmException:" << e.text();
// cannon set an active conference
- unsetConference();
+ unsetConference(); // TODO: as no active conference is now correctly managed this should be handled as a fatal error
return;
}
void MainWindow::initTabs()
{
int confId = Conference::activeConference();
- Conference active = Conference::getById(confId);
- QDate startDate = active.start();
- QDate endDate = active.end();
-
- // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
- dayTabContainer->setDates(startDate, endDate);
- tracksTabContainer->setDates(startDate, endDate);
- roomsTabContainer->setDates(startDate, endDate);
- favsTabContainer->setDates(startDate, endDate);
- searchTabContainer->setDates(startDate, endDate);
- searchTabContainer->searchAgainClicked();
- nowTabContainer->updateTreeView(QDate::currentDate());
+ if (confId != -1) // only init tabs if a conference is active
+ {
+ Conference active = Conference::getById(confId);
+ ((Application*) qApp)->setActiveConference(active);
+ QDate startDate = active.start();
+ QDate endDate = active.end();
+
+ // 'dayNavigator' emits signal 'dateChanged' after setting valid START:END dates
+ dayNavigator->setDates(startDate, endDate);
+ nowAction->trigger();
+ }
}
void MainWindow::clearTabs()
roomsTabContainer->clearModel();
favsTabContainer->clearModel();
searchTabContainer->clearModel();
- searchTabContainer->searchAgainClicked();
- nowTabContainer->clearModel();
}
void MainWindow::unsetConference()
{
clearTabs();
+ dayNavigator->unsetDates();
setWindowTitle(saved_title);
+ ((Application*) qApp)->unsetActiveConference();
+}
+
+
+void MainWindow::showError(const QString& message) {
+ error_message(message);
}
-void MainWindow::setup()
+
+void MainWindow::on_settingsAction_triggered()
{
SettingsDialog dialog;
- dialog.exec();
-
- qDebug() << "Setting-up proxy: " << AppSettings::proxyAddress() << ":" << AppSettings::proxyPort();
- QNetworkProxy proxy(
- AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : QNetworkProxy::HttpProxy,
- AppSettings::proxyAddress(),
- AppSettings::proxyPort(),
- PROXY_USERNAME,
- PROXY_PASSWD);
- QNetworkProxy::setApplicationProxy(proxy);
+ dialog.loadDialogData();
+ if (dialog.exec() == QDialog::Accepted) {
+ dialog.saveDialogData();
+ QNetworkProxy proxy(
+ AppSettings::isDirectConnection() ? QNetworkProxy::NoProxy : (QNetworkProxy::ProxyType)AppSettings::proxyType(),
+ AppSettings::proxyAddress(),
+ AppSettings::proxyPort(),
+ AppSettings::proxyUsername(),
+ AppSettings::proxyPassword());
+ QNetworkProxy::setApplicationProxy(proxy);
+ }
}
/** Create and run ConferenceEditor dialog, making required connections for it.
this, mXmlParser and mNetworkAccessManager:
addition and refresh.
*/
-void MainWindow::showConferences()
+void MainWindow::on_conferencesAction_triggered()
{
ConferenceEditor dialog(conferenceModel, this);
- connect(&dialog, SIGNAL(haveConferenceUrl(const QString&)), SLOT(importFromNetwork(const QString&)));
- connect(&dialog, SIGNAL(haveConferenceFile(const QString&)), SLOT(importFromFile(const QString&)));
+ connect(&dialog, SIGNAL(haveConferenceUrl(const QString&, int)), SLOT(importFromNetwork(const QString&, int)));
+ connect(&dialog, SIGNAL(haveConferenceFile(const QString&, int)), SLOT(importFromFile(const QString&, int)));
connect(&dialog, SIGNAL(removeConferenceRequested(int)), SLOT(removeConference(int)));
connect(&dialog, SIGNAL(changeUrlRequested(int, const QString&)),
SLOT(changeConferenceUrl(int, const QString&)));
connect(mXmlParser, SIGNAL(parsingScheduleBegin()), &dialog, SLOT(importStarted()));
connect(mXmlParser, SIGNAL(progressStatus(int)), &dialog, SLOT(showParsingProgress(int)));
- connect(mXmlParser, SIGNAL(parsingScheduleEnd(const QString&)), &dialog, SLOT(importFinished(const QString&)));
+ connect(mXmlParser, SIGNAL(parsingScheduleEnd(int)), &dialog, SLOT(importFinished(int)));
connect(this, SIGNAL(conferenceRemoved()), &dialog, SLOT(conferenceRemoved()));
// optimization, see useConference() code
try {
initTabs();
- } catch (OrmException) {
+ } catch (const OrmException& e) {
+ qDebug() << "OrmException:" << e.text();
clearTabs();
}
}
-void MainWindow::networkQueryFinished(QNetworkReply *aReply)
-{
- if ( aReply->error() != QNetworkReply::NoError )
- {
- error_message(QString("Error occured during download: ") + aReply->errorString());
+void MainWindow::sslErrors(QNetworkReply *aReply, const QList<QSslError> &errors) {
+ QString errorString;
+ foreach (const QSslError &error, errors) {
+ if (!errorString.isEmpty()) {
+ errorString += ", ";
+ }
+ errorString += error.errorString();
}
- else
- {
- qDebug() << __PRETTY_FUNCTION__ << ": have data";
- importData(aReply->readAll(), aReply->url().toEncoded());
+
+ if (QMessageBox::warning(
+ this,
+ tr("SSL errors"),
+ tr("One or more SSL errors have occurred: %1", 0, errors.size()).arg(errorString),
+ QMessageBox::Ignore | QMessageBox::Cancel) == QMessageBox::Ignore) {
+ aReply->ignoreSslErrors();
+ } else {
+ aReply->abort();
+ }
+}
+
+void MainWindow::networkQueryFinished(QNetworkReply *aReply) {
+ if (aReply->error() != QNetworkReply::NoError) {
+ error_message(tr("Error occurred during download: %1").arg(aReply->errorString()));
+ } else {
+ QUrl redirectUrl = aReply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
+ if (!redirectUrl.isEmpty()) {
+ if (redirectUrl != aReply->request().url()) {
+ importFromNetwork(redirectUrl.toString(), aReply->request().attribute(QNetworkRequest::User).toInt());
+ return; // don't enable controls
+ } else {
+ error_message(tr("Error: Cyclic redirection from %1 to itself.").arg(redirectUrl.toString()));
+ }
+ } else {
+ importData(aReply->readAll(), aReply->url().toEncoded(), aReply->request().attribute(QNetworkRequest::User).toInt());
+ }
}
+ setEnabled(true);
}
-void MainWindow::importData(const QByteArray &aData, const QString& url)
+void MainWindow::importData(const QByteArray &aData, const QString& url, int conferenceId)
{
- mXmlParser->parseData(aData, url);
+ mXmlParser->parseData(aData, url, conferenceId);
}
-void MainWindow::importFromNetwork(const QString& url)
+void MainWindow::importFromNetwork(const QString& url, int conferenceId)
{
- qDebug() << __PRETTY_FUNCTION__;
QNetworkRequest request;
+ QSslConfiguration qSslConfiguration = request.sslConfiguration();
+ qSslConfiguration.setProtocol(QSsl::AnyProtocol);
+ qSslConfiguration.setPeerVerifyMode(QSslSocket::QueryPeer);
request.setUrl(QUrl(url));
+ request.setSslConfiguration(qSslConfiguration);
+ request.setAttribute(QNetworkRequest::User, conferenceId);
mNetworkAccessManager->setProxy(QNetworkProxy::applicationProxy());
mNetworkAccessManager->get(request);
}
-void MainWindow::importFromFile(const QString& filename)
+void MainWindow::importFromFile(const QString& filename, int conferenceId)
{
- qDebug() << __PRETTY_FUNCTION__;
QFile file(filename);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
static const QString format("Cannot read \"%1\": error %2");
error_message(format.arg(filename, QString::number(file.error())));
}
- importData(file.readAll(), "");
+ importData(file.readAll(), "", conferenceId);
}
-void MainWindow::removeConference(int id)
-{
- Conference::deleteConference(id);
- conferenceModel->conferenceRemoved();
+void MainWindow::removeConference(int id) {
+ sqlEngine->deleteConference(id);
+ conferenceModel->conferenceRemoved();
emit conferenceRemoved();
}
-void MainWindow::changeConferenceUrl(int id, const QString& url)
-{
+
+void MainWindow::changeConferenceUrl(int id, const QString& url) {
Conference::getById(id).setUrl(url);
}