source: src/sql/schedulexmlparser.cpp @ d03ca41

Last change on this file since d03ca41 was d03ca41, checked in by Philipp Spitzer <philipp@…>, 5 years ago

If no day_change was given for a conference 4 AM is assumed.

Fixes #53.

  • Property mode set to 100644
File size: 9.7 KB
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1/*
2 * Copyright (C) 2010 Ixonos Plc.
3 * Copyright (C) 2011-2017 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#include <QTime>
24
25#include "schedulexmlparser.h"
26#include "sqlengine.h"
27#include "../gui/errormessage.h"
28
29#include <QDebug>
30
31ScheduleXmlParser::ScheduleXmlParser(SqlEngine* sqlEngine, QObject *aParent): QObject(aParent),sqlEngine(sqlEngine) {
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        QTime conference_day_change;
55        if (!conferenceElement.isNull())
56        {
57            emit(parsingScheduleBegin());
58            QHash<QString,QString> conference;
59            conference["id"] = QString::number(conferenceId); // conference ID is assigned automatically if 0
60            conference["title"] = conferenceElement.firstChildElement("title").text();
61            conference["subtitle"] = conferenceElement.firstChildElement("subtitle").text();
62            conference["venue"] = conferenceElement.firstChildElement("venue").text();
63            conference["city"] = conferenceElement.firstChildElement("city").text();
64            conference["start"] = conferenceElement.firstChildElement("start").text(); // date
65            conference["end"] = conferenceElement.firstChildElement("end").text(); // date
66            QString conferenceDayChangeStr = conferenceElement.firstChildElement("day_change").text(); // time, e.g. "04:00:00"
67            if (conferenceDayChangeStr.isEmpty()) conferenceDayChangeStr = "04:00:00";
68            conference["day_change"] = conferenceDayChangeStr;
69            conference["timeslot_duration"] = conferenceElement.firstChildElement("timeslot_duration").text(); // time
70            conference["url"] = url;
71            sqlEngine->addConferenceToDB(conference, conferenceId);
72            conferenceId = conference["id"].toInt();
73            conference_title = conference["title"];
74            conference_day_change = QTime(0, 0).addSecs(conference["day_change"].toInt());
75        }
76
77        // we need to get count of all events in order to emit 'progressStatus' signal
78        int totalEventsCount = scheduleElement.elementsByTagName("event").count();
79
80        // parsing day elements
81        int currentEvent = 0; // hold global idx of processed event
82        QDomNodeList dayList = scheduleElement.elementsByTagName("day");
83        for (int i=0; i<dayList.count(); i++)
84        {
85            QDomElement dayElement = dayList.at(i).toElement();
86            //QDate dayDate = QDate::fromString(dayElement.attribute("date"),DATE_FORMAT);
87            //int dayIndex = dayElement.attribute("index").toInt();
88
89            // parsing room elements
90            QDomNodeList roomList = dayElement.elementsByTagName("room");
91            for (int i=0; i<roomList.count(); i++)
92            {
93                QDomElement roomElement = roomList.at(i).toElement();
94                // roomElement has to be 'Element' and it has to have 'name' attribute
95                // TODO: 'event' has also 'room' node, so it can be unstable if that node has also 'name' attribute
96                if(roomElement.hasAttribute("name"))
97                {
98                    // parsing event elements
99                    QDomNodeList eventList = roomElement.elementsByTagName("event");
100                    for (int i=0; i<eventList.count(); i++)
101                    {
102                        currentEvent++;
103                        QDomElement eventElement = eventList.at(i).toElement();
104
105                        // now we have all info to create ROOM/EVENT_ROOM record(s)
106                        QHash<QString,QString> room;
107                        room["name"] = roomElement.attribute("name");
108                        room["event_id"] = eventElement.attribute("id");
109                        room["conference_id"] = QString::number(conferenceId,10);
110                        sqlEngine->addRoomToDB(room);
111
112                        // process event's nodes
113                        QHash<QString,QString> event;
114                        event["id"] = eventElement.attribute("id");;
115                        event["conference_id"] = QString::number(conferenceId, 10);
116                        QTime event_start = QTime::fromString(eventElement.firstChildElement("start").text(), sqlEngine->TIME_FORMAT);
117                        event["start"] = event_start.toString(sqlEngine->TIME_FORMAT); // time eg. 10:00
118                        QDate event_date;
119                        QDomElement eventDateElement = eventElement.firstChildElement("date");
120                        if (!eventDateElement.isNull()) {
121                            QString date_str = eventDateElement.text(); // date eg. 2009-02-07T10:00:00+00:00
122                            event_date = QDate::fromString(date_str.left(sqlEngine->DATE_FORMAT.size()), sqlEngine->DATE_FORMAT);
123                        } else {
124                            event_date = QDate::fromString(dayElement.attribute("date"),sqlEngine->DATE_FORMAT); // date eg. 2009-02-07
125                            if (event_start < conference_day_change) event_date = event_date.addDays(1);
126                        }
127                        event["date"] = event_date.toString(sqlEngine->DATE_FORMAT); // date eg. 2009-02-07
128                        event["duration"] = eventElement.firstChildElement("duration").text(); // time eg. 00:30
129                        event["room_name"] = eventElement.firstChildElement("room").text(); // string eg. "Janson"
130                        event["tag"] = eventElement.firstChildElement("tag").text(); // string eg. "welcome"
131                        event["title"] = eventElement.firstChildElement("title").text(); // string eg. "Welcome"
132                        event["subtitle"] = eventElement.firstChildElement("subtitle").text(); // string
133                        event["track"] = eventElement.firstChildElement("track").text(); // string eg. "Keynotes"
134                        event["type"] = eventElement.firstChildElement("type").text(); // string eg. "Podium"
135                        event["language"] = eventElement.firstChildElement("language").text(); // language eg. "English"
136                        event["abstract"] = eventElement.firstChildElement("abstract").text(); // string
137                        event["description"] = eventElement.firstChildElement("description").text(); // string
138                        sqlEngine->addEventToDB(event);
139                        // process persons' nodes
140                        QDomElement personsElement = eventElement.firstChildElement("persons");
141                        QDomNodeList personList = personsElement.elementsByTagName("person");
142                        for(int i = 0;i < personList.count();i++){
143                            QHash<QString,QString> person;
144                            person["id"] = personList.at(i).toElement().attribute("id");
145                            person["name"] = personList.at(i).toElement().text();
146                            person["event_id"] = eventElement.attribute("id");
147                            person["conference_id"] = QString::number(conferenceId, 10);
148                            sqlEngine->addPersonToDB(person);
149                        }
150                        // process links' nodes
151                        QDomElement linksElement = eventElement.firstChildElement("links");
152                        QDomNodeList linkList = linksElement.elementsByTagName("link");
153                        for(int i = 0;i < linkList.count();i++){
154                            QHash<QString,QString> link;
155                            link["name"] = linkList.at(i).toElement().text();
156                            link["url"] = linkList.at(i).toElement().attribute("href");
157                            link["event_id"] = eventElement.attribute("id");
158                            link["conference_id"] = QString::number(conferenceId, 10);
159                            sqlEngine->addLinkToDB(link);
160                        }
161                        // emit signal to inform the user about the current status (how many events are parsed so far - expressed in %)
162                        int status = currentEvent * 100 / totalEventsCount;
163                        progressStatus(status);
164                    } // parsing event elements
165                }
166            } // parsing room elements
167        } // parsing day elements
168    } // schedule element
169    sqlEngine->commitTransaction();
170    if (!conference_title.isNull()) {
171        emit parsingScheduleEnd(conferenceId);
172    } else {
173        error_message("Could not parse schedule");
174    }
175}
176
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