3 Copyright (C) 2011 Luciano Montanaro <mikelima@cirulla.net>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; see the file COPYING. If not, write to
17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
22 #include "dataprovider.h"
24 #include "stationschedulemodel.h"
27 #include <QNetworkAccessManager>
28 #include <QNetworkReply>
29 #include <QNetworkRequest>
30 #include <QSharedPointer>
31 #include <QWebElement>
36 static const int RECENT_STATIONS_MAX_COUNT = 10;
40 DataProvider *DataProvider::instance()
42 static DataProvider *dataProvider = 0;
45 dataProvider = new DataProvider(0);
49 DataProvider::DataProvider(QObject *parent) :
51 accessManager(new QNetworkAccessManager(this))
55 void DataProvider::fetchStationSchedule(const QString &station,
56 const QString &stationCode)
58 QNetworkRequest request;
59 Settings *settings = Settings::instance();
60 request.setUrl(settings->queryBaseUrl() + "stazione");
61 qDebug() << "fetching schedule for station:" << station << "code:" << stationCode;
62 const QString queryString =
63 stationCode.isEmpty() ? "stazione=" + station :
64 "codiceStazione=" + stationCode;
65 const QByteArray query(queryString.toLocal8Bit());
66 stationQueryReply = accessManager->post(request, query);
67 connect(stationQueryReply, SIGNAL(finished()),
68 SLOT(onStationScheduleFetched()));
69 connect(stationQueryReply, SIGNAL(error(QNetworkReply::NetworkError)),
70 SLOT(onNetworkError(QNetworkReply::NetworkError)));
71 QStringList recentStations = settings->recentStations();
72 recentStations.push_front(station);
73 recentStations.removeDuplicates();
74 if (recentStations.count() > RECENT_STATIONS_MAX_COUNT) {
75 recentStations.pop_back();
77 settings->setRecentStations(recentStations);
80 void DataProvider::updateStation()
82 Settings *settings = Settings::instance();
84 qDebug() << "updating station data";
85 if (!settings->recentStations().isEmpty()) {
86 fetchStationSchedule(settings->recentStations().front());
90 void DataProvider::onStationScheduleFetched()
92 disconnect(stationQueryReply);
94 QString name = Settings::instance()->recentStations().front();
96 emit stationScheduleReady(stationQueryReply->readAll(), stationQueryReply->url());
97 stationQueryReply->deleteLater();
98 stationQueryReply = 0;
101 void DataProvider::onNetworkError(QNetworkReply::NetworkError errorCode)
104 case QNetworkReply::NoError:
105 qDebug() << "No Network error" << errorCode;
108 qDebug() << "SNetwork error" << errorCode;