source: confclerk_git/src/sql/schedulexmlparser.cpp @ 908b4ce

qt5
Last change on this file since 908b4ce was 908b4ce, checked in by Philipp Spitzer <philipp@…>, 10 years ago

Changed int to string converstion method because the old method gave an compilation error on MAEMO.

  • Property mode set to 100644
File size: 8.5 KB
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1/*
2 * Copyright (C) 2010 Ixonos Plc.
3 * Copyright (C) 2011-2012 Philipp Spitzer, gregor herrmann, Stefan Stahl
4 *
5 * This file is part of ConfClerk.
6 *
7 * ConfClerk is free software: you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation, either version 2 of the License, or (at your option)
10 * any later version.
11 *
12 * ConfClerk is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * ConfClerk.  If not, see <http://www.gnu.org/licenses/>.
19 */
20
21#include <QDomDocument>
22#include <QHash>
23
24#include "schedulexmlparser.h"
25#include "sqlengine.h"
26#include "../gui/errormessage.h"
27
28#include <QDebug>
29
30ScheduleXmlParser::ScheduleXmlParser(SqlEngine* sqlEngine, QObject *aParent): QObject(aParent),sqlEngine(sqlEngine) {
31}
32
33
34void ScheduleXmlParser::parseData(const QByteArray &aData, const QString& url, int conferenceId)
35{
36    QDomDocument document;
37    QString xml_error;
38    int xml_error_line;
39    int xml_error_column;
40    if (!document.setContent (aData, false, &xml_error, &xml_error_line, &xml_error_column)) {
41        error_message("Could not parse schedule: " + xml_error + " at line " + QString("%1").arg(xml_error_line) + " column " + QString("%1").arg(xml_error_column));
42        return;
43    }
44
45    QDomElement scheduleElement = document.firstChildElement("schedule");
46
47    sqlEngine->beginTransaction();
48
49    QString conference_title;
50    if (!scheduleElement.isNull())
51    {
52        QDomElement conferenceElement = scheduleElement.firstChildElement("conference");
53        if (!conferenceElement.isNull())
54        {
55            emit(parsingScheduleBegin());
56            QHash<QString,QString> conference;
57            conference["id"] = QString::number(conferenceId); // conference ID is assigned automatically if 0
58            conference["title"] = conferenceElement.firstChildElement("title").text();
59            conference["subtitle"] = conferenceElement.firstChildElement("subtitle").text();
60            conference["venue"] = conferenceElement.firstChildElement("venue").text();
61            conference["city"] = conferenceElement.firstChildElement("city").text();
62            conference["start"] = conferenceElement.firstChildElement("start").text(); // date
63            conference["end"] = conferenceElement.firstChildElement("end").text(); // date
64            conference["day_change"] = conferenceElement.firstChildElement("day_change").text(); // time
65            conference["timeslot_duration"] = conferenceElement.firstChildElement("timeslot_duration").text(); // time
66            conference["url"] = url;
67            sqlEngine->addConferenceToDB(conference, conferenceId);
68            conferenceId = conference["id"].toInt();
69            conference_title = conference["title"];
70        }
71
72        // we need to get count of all events in order to emit 'progressStatus' signal
73        int totalEventsCount = scheduleElement.elementsByTagName("event").count();
74
75        // parsing day elements
76        int currentEvent = 0; // hold global idx of processed event
77        QDomNodeList dayList = scheduleElement.elementsByTagName("day");
78        for (int i=0; i<dayList.count(); i++)
79        {
80            QDomElement dayElement = dayList.at(i).toElement();
81            //QDate dayDate = QDate::fromString(dayElement.attribute("date"),DATE_FORMAT);
82            //int dayIndex = dayElement.attribute("index").toInt();
83
84            // parsing room elements
85            QDomNodeList roomList = dayElement.elementsByTagName("room");
86            for (int i=0; i<roomList.count(); i++)
87            {
88                QDomElement roomElement = roomList.at(i).toElement();
89                // roomElement has to be 'Element' and it has to have 'name' attribute
90                // TODO: 'event' has also 'room' node, so it can be unstable if that node has also 'name' attribute
91                if(roomElement.hasAttribute("name"))
92                {
93                    // parsing event elements
94                    QDomNodeList eventList = roomElement.elementsByTagName("event");
95                    for (int i=0; i<eventList.count(); i++)
96                    {
97                        currentEvent++;
98                        QDomElement eventElement = eventList.at(i).toElement();
99
100                        // now we have all info to create ROOM/EVENT_ROOM record(s)
101                        QHash<QString,QString> room;
102                        room["name"] = roomElement.attribute("name");
103                        room["event_id"] = eventElement.attribute("id");
104                        room["conference_id"] = QString::number(conferenceId,10);
105                        sqlEngine->addRoomToDB(room);
106
107                        // process event's nodes
108                        QHash<QString,QString> event;
109                        event["id"] = eventElement.attribute("id");;
110                        event["conference_id"] = QString::number(conferenceId, 10);
111                        event["start"] = eventElement.firstChildElement("start").text(); // time eg. 10:00
112                        event["date"] = dayElement.attribute("date"); // date eg. 2009-02-07
113                        event["duration"] = eventElement.firstChildElement("duration").text(); // time eg. 00:30
114                        event["room_name"] = eventElement.firstChildElement("room").text(); // string eg. "Janson"
115                        event["tag"] = eventElement.firstChildElement("tag").text(); // string eg. "welcome"
116                        event["title"] = eventElement.firstChildElement("title").text(); // string eg. "Welcome"
117                        event["subtitle"] = eventElement.firstChildElement("subtitle").text(); // string
118                        event["track"] = eventElement.firstChildElement("track").text(); // string eg. "Keynotes"
119                        event["type"] = eventElement.firstChildElement("type").text(); // string eg. "Podium"
120                        event["language"] = eventElement.firstChildElement("language").text(); // language eg. "English"
121                        event["abstract"] = eventElement.firstChildElement("abstract").text(); // string
122                        event["description"] = eventElement.firstChildElement("description").text(); // string
123                        sqlEngine->addEventToDB(event);
124                        // process persons' nodes
125                        QDomElement personsElement = eventElement.firstChildElement("persons");
126                        QDomNodeList personList = personsElement.elementsByTagName("person");
127                        for(int i = 0;i < personList.count();i++){
128                            QHash<QString,QString> person;
129                            person["id"] = personList.at(i).toElement().attribute("id");
130                            person["name"] = personList.at(i).toElement().text();
131                            person["event_id"] = eventElement.attribute("id");
132                            person["conference_id"] = QString::number(conferenceId, 10);
133                            sqlEngine->addPersonToDB(person);
134                        }
135                        // process links' nodes
136                        QDomElement linksElement = eventElement.firstChildElement("links");
137                        QDomNodeList linkList = linksElement.elementsByTagName("link");
138                        for(int i = 0;i < linkList.count();i++){
139                            QHash<QString,QString> link;
140                            link["name"] = linkList.at(i).toElement().text();
141                            link["url"] = linkList.at(i).toElement().attribute("href");
142                            link["event_id"] = eventElement.attribute("id");
143                            link["conference_id"] = QString::number(conferenceId, 10);
144                            sqlEngine->addLinkToDB(link);
145                        }
146                        // emit signal to inform the user about the current status (how many events are parsed so far - expressed in %)
147                        int status = currentEvent * 100 / totalEventsCount;
148                        progressStatus(status);
149                    } // parsing event elements
150                }
151            } // parsing room elements
152        } // parsing day elements
153    } // schedule element
154    sqlEngine->commitTransaction();
155    if (!conference_title.isNull()) {
156        emit parsingScheduleEnd(conferenceId);
157    } else {
158        error_message("Could not parse schedule");
159    }
160}
161
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