source: src/sql/schedulexmlparser.cpp @ 2dffed3

qt5
Last change on this file since 2dffed3 was 2dffed3, checked in by Philipp Spitzer <philipp@…>, 10 years ago

On the way to fix #45.

  • Property mode set to 100644
File size: 8.6 KB
Line 
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(QObject *aParent)
31    : QObject(aParent)
32{
33}
34
35void ScheduleXmlParser::parseData(const QByteArray &aData, const QString& url, int conferenceId)
36{
37    QDomDocument document;
38    QString xml_error;
39    int xml_error_line;
40    int xml_error_column;
41    if (!document.setContent (aData, false, &xml_error, &xml_error_line, &xml_error_column)) {
42        error_message("Could not parse schedule: " + xml_error + " at line " + QString("%1").arg(xml_error_line) + " column " + QString("%1").arg(xml_error_column));
43        return;
44    }
45
46    QDomElement scheduleElement = document.firstChildElement("schedule");
47
48    SqlEngine::beginTransaction();
49
50    QString conference_title;
51    if (!scheduleElement.isNull())
52    {
53        QDomElement conferenceElement = scheduleElement.firstChildElement("conference");
54        if (!conferenceElement.isNull())
55        {
56            emit(parsingScheduleBegin());
57            QHash<QString,QString> conference;
58            conference["id"] = conferenceId; // conference ID is assigned automatically if 0
59            conference["title"] = conferenceElement.firstChildElement("title").text();
60            conference["subtitle"] = conferenceElement.firstChildElement("subtitle").text();
61            conference["venue"] = conferenceElement.firstChildElement("venue").text();
62            conference["city"] = conferenceElement.firstChildElement("city").text();
63            conference["start"] = conferenceElement.firstChildElement("start").text(); // date
64            conference["end"] = conferenceElement.firstChildElement("end").text(); // date
65            conference["days"] = conferenceElement.firstChildElement("days").text(); // int
66            conference["day_change"] = conferenceElement.firstChildElement("day_change").text(); // time
67            conference["timeslot_duration"] = conferenceElement.firstChildElement("timeslot_duration").text(); // time
68            conference["url"] = url;
69            SqlEngine::addConferenceToDB(conference, conferenceId);
70            conferenceId = conference["id"].toInt();
71            conference_title = conference["title"];
72        }
73
74        // we need to get count of all events in order to emit 'progressStatus' signal
75        int totalEventsCount = scheduleElement.elementsByTagName("event").count();
76
77        // parsing day elements
78        int currentEvent = 0; // hold global idx of processed event
79        QDomNodeList dayList = scheduleElement.elementsByTagName("day");
80        for (int i=0; i<dayList.count(); i++)
81        {
82            QDomElement dayElement = dayList.at(i).toElement();
83            //QDate dayDate = QDate::fromString(dayElement.attribute("date"),DATE_FORMAT);
84            //int dayIndex = dayElement.attribute("index").toInt();
85
86            // parsing room elements
87            QDomNodeList roomList = dayElement.elementsByTagName("room");
88            for (int i=0; i<roomList.count(); i++)
89            {
90                QDomElement roomElement = roomList.at(i).toElement();
91                // roomElement has to be 'Element' and it has to have 'name' attribute
92                // TODO: 'event' has also 'room' node, so it can be unstable if that node has also 'name' attribute
93                if(roomElement.hasAttribute("name"))
94                {
95                    // parsing event elements
96                    QDomNodeList eventList = roomElement.elementsByTagName("event");
97                    for (int i=0; i<eventList.count(); i++)
98                    {
99                        currentEvent++;
100                        QDomElement eventElement = eventList.at(i).toElement();
101
102                        // now we have all info to create ROOM/EVENT_ROOM record(s)
103                        QHash<QString,QString> room;
104                        room["name"] = roomElement.attribute("name");
105                        room["event_id"] = eventElement.attribute("id");
106                        room["conference_id"] = QString::number(conferenceId,10);
107                        SqlEngine::addRoomToDB(room);
108
109                        // process event's nodes
110                        QHash<QString,QString> event;
111                        event["id"] = eventElement.attribute("id");;
112                        event["conference_id"] = QString::number(conferenceId, 10);
113                        event["start"] = eventElement.firstChildElement("start").text(); // time eg. 10:00
114                        event["date"] = dayElement.attribute("date"); // date eg. 2009-02-07
115                        event["duration"] = eventElement.firstChildElement("duration").text(); // time eg. 00:30
116                        event["room_name"] = eventElement.firstChildElement("room").text(); // string eg. "Janson"
117                        event["tag"] = eventElement.firstChildElement("tag").text(); // string eg. "welcome"
118                        event["title"] = eventElement.firstChildElement("title").text(); // string eg. "Welcome"
119                        event["subtitle"] = eventElement.firstChildElement("subtitle").text(); // string
120                        event["track"] = eventElement.firstChildElement("track").text(); // string eg. "Keynotes"
121                        event["type"] = eventElement.firstChildElement("type").text(); // string eg. "Podium"
122                        event["language"] = eventElement.firstChildElement("language").text(); // language eg. "English"
123                        event["abstract"] = eventElement.firstChildElement("abstract").text(); // string
124                        event["description"] = eventElement.firstChildElement("description").text(); // string
125                        SqlEngine::addEventToDB(event);
126                        // process persons' nodes
127                        QDomElement personsElement = eventElement.firstChildElement("persons");
128                        QDomNodeList personList = personsElement.elementsByTagName("person");
129                        for(int i = 0;i < personList.count();i++){
130                            QHash<QString,QString> person;
131                            person["id"] = personList.at(i).toElement().attribute("id");
132                            person["name"] = personList.at(i).toElement().text();
133                            person["event_id"] = eventElement.attribute("id");
134                            person["conference_id"] = QString::number(conferenceId, 10);
135                            SqlEngine::addPersonToDB(person);
136                        }
137                        // process links' nodes
138                        QDomElement linksElement = eventElement.firstChildElement("links");
139                        QDomNodeList linkList = linksElement.elementsByTagName("link");
140                        for(int i = 0;i < linkList.count();i++){
141                            QHash<QString,QString> link;
142                            link["name"] = linkList.at(i).toElement().text();
143                            link["url"] = linkList.at(i).toElement().attribute("href");
144                            link["event_id"] = eventElement.attribute("id");
145                            link["conference_id"] = QString::number(conferenceId, 10);
146                            SqlEngine::addLinkToDB(link);
147                        }
148                        // emit signal to inform the user about the current status (how many events are parsed so far - expressed in %)
149                        int status = currentEvent * 100 / totalEventsCount;
150                        progressStatus(status);
151                    } // parsing event elements
152                }
153            } // parsing room elements
154        } // parsing day elements
155    } // schedule element
156    SqlEngine::commitTransaction();
157    if (!conference_title.isNull()) {
158        emit parsingScheduleEnd(conference_title);
159    } else {
160        error_message("Could not parse schedule");
161    }
162}
163
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