src/mvc/mvc.pro: add network module.
[toast/confclerk.git] / src / sql / schedulexmlparser.cpp
index bb83f8a..6f5e508 100644 (file)
@@ -1,46 +1,91 @@
+/*
+ * Copyright (C) 2010 Ixonos Plc.
+ * Copyright (C) 2011-2017 Philipp Spitzer, gregor herrmann, Stefan Stahl
+ *
+ * This file is part of ConfClerk.
+ *
+ * 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.
+ *
+ * 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
+ * ConfClerk.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include <QDomDocument>
 #include <QHash>
+#include <QTime>
 
 #include "schedulexmlparser.h"
 #include "sqlengine.h"
+#include "../gui/errormessage.h"
 
 #include <QDebug>
+#include <stdexcept>
 
-ScheduleXmlParser::ScheduleXmlParser(QObject *aParent)
-    : QObject(aParent)
-{
+ScheduleXmlParser::ScheduleXmlParser(SqlEngine* sqlEngine, QObject *aParent): QObject(aParent),sqlEngine(sqlEngine) {
 }
 
-int ScheduleXmlParser::parseData(const QByteArray &aData, SqlEngine *aDBEngine)
-{
-    Q_ASSERT(NULL != aDBEngine);
 
+class ParseException: public std::runtime_error {
+public:
+    ParseException(const QString& message): std::runtime_error(message.toStdString()) {}
+};
+
+
+void checkEvent(QHash<QString,QString>& event) {
+    QString event_id = event["id"];
+    if (event_id.trimmed().isEmpty()) throw ParseException(QObject::tr("The ID of event '%1' is missing.").arg(event["title"]));
+    bool ok;
+    event_id.toInt(&ok);
+    if (!ok) throw ParseException(QObject::tr("The ID '%2' of event '%1' is not numeric.").arg(event["title"]).arg(event_id));
+}
+
+
+void ScheduleXmlParser::parseDataImpl(const QByteArray &aData, const QString& url, int conferenceId) {
     QDomDocument document;
-    document.setContent (aData, false);
+    QString xml_error;
+    int xml_error_line;
+    int xml_error_column;
+    if (!document.setContent(aData, false, &xml_error, &xml_error_line, &xml_error_column)) {
+        throw ParseException("Could not parse schedule: " + xml_error + " at line " + QString("%1").arg(xml_error_line) + " column " + QString("%1").arg(xml_error_column));
+    }
 
     QDomElement scheduleElement = document.firstChildElement("schedule");
 
-    int confId = 0;
+    TransactionRaii transaction(*sqlEngine); // begins the transaction
+
+    QString conference_title;
     if (!scheduleElement.isNull())
     {
         QDomElement conferenceElement = scheduleElement.firstChildElement("conference");
+        QTime conference_day_change;
         if (!conferenceElement.isNull())
         {
+            emit(parsingScheduleBegin());
             QHash<QString,QString> conference;
-            conference["id"] = QString::number(0); // conference ID is assigned automatically, or obtained from the DB
+            conference["id"] = QString::number(conferenceId); // conference ID is assigned automatically if 0
             conference["title"] = conferenceElement.firstChildElement("title").text();
             conference["subtitle"] = conferenceElement.firstChildElement("subtitle").text();
             conference["venue"] = conferenceElement.firstChildElement("venue").text();
             conference["city"] = conferenceElement.firstChildElement("city").text();
             conference["start"] = conferenceElement.firstChildElement("start").text(); // date
             conference["end"] = conferenceElement.firstChildElement("end").text(); // date
-            conference["days"] = conferenceElement.firstChildElement("days").text(); // int
-            conference["day_change"] = conferenceElement.firstChildElement("day_change").text(); // time
+            QString conferenceDayChangeStr = conferenceElement.firstChildElement("day_change").text(); // time, e.g. "04:00:00"
+            if (conferenceDayChangeStr.isEmpty()) conferenceDayChangeStr = "04:00:00";
+            conference["day_change"] = conferenceDayChangeStr;
             conference["timeslot_duration"] = conferenceElement.firstChildElement("timeslot_duration").text(); // time
-            aDBEngine->addConferenceToDB(conference);
-            confId = conference["id"].toInt();
-            emit(parsingSchedule(conference["title"]));
+            conference["url"] = url;
+            sqlEngine->addConferenceToDB(conference, conferenceId);
+            conferenceId = conference["id"].toInt();
+            conference_title = conference["title"];
+            conference_day_change = QTime(0, 0).addSecs(conference["day_change"].toInt());
         }
 
         // we need to get count of all events in order to emit 'progressStatus' signal
@@ -75,16 +120,25 @@ int ScheduleXmlParser::parseData(const QByteArray &aData, SqlEngine *aDBEngine)
                         QHash<QString,QString> room;
                         room["name"] = roomElement.attribute("name");
                         room["event_id"] = eventElement.attribute("id");
-                        room["conference_id"] = QString::number(confId,10);
-                        room["picture"] = "NOT DEFINED YET"; // TODO: implement some mapping to assign correct picture to specified room_name
-                        aDBEngine->addRoomToDB(room);
+                        room["conference_id"] = QString::number(conferenceId,10);
+                        sqlEngine->addRoomToDB(room);
 
                         // process event's nodes
                         QHash<QString,QString> event;
-                        event["id"] = eventElement.attribute("id");;
-                        event["conference_id"] = QString::number(confId, 10);
-                        event["start"] = eventElement.firstChildElement("start").text(); // time eg. 10:00
-                        event["date"] = dayElement.attribute("date"); // date eg. 2009-02-07
+                        event["id"] = eventElement.attribute("id");
+                        event["conference_id"] = QString::number(conferenceId, 10);
+                        QTime event_start = QTime::fromString(eventElement.firstChildElement("start").text(), sqlEngine->TIME_FORMAT);
+                        event["start"] = event_start.toString(sqlEngine->TIME_FORMAT); // time eg. 10:00
+                        QDate event_date;
+                        QDomElement eventDateElement = eventElement.firstChildElement("date");
+                        if (!eventDateElement.isNull()) {
+                            QString date_str = eventDateElement.text(); // date eg. 2009-02-07T10:00:00+00:00
+                            event_date = QDate::fromString(date_str.left(sqlEngine->DATE_FORMAT.size()), sqlEngine->DATE_FORMAT);
+                        } else {
+                            event_date = QDate::fromString(dayElement.attribute("date"),sqlEngine->DATE_FORMAT); // date eg. 2009-02-07
+                            if (event_start < conference_day_change) event_date = event_date.addDays(1);
+                        }
+                        event["date"] = event_date.toString(sqlEngine->DATE_FORMAT); // date eg. 2009-02-07
                         event["duration"] = eventElement.firstChildElement("duration").text(); // time eg. 00:30
                         event["room_name"] = eventElement.firstChildElement("room").text(); // string eg. "Janson"
                         event["tag"] = eventElement.firstChildElement("tag").text(); // string eg. "welcome"
@@ -95,9 +149,9 @@ int ScheduleXmlParser::parseData(const QByteArray &aData, SqlEngine *aDBEngine)
                         event["language"] = eventElement.firstChildElement("language").text(); // language eg. "English"
                         event["abstract"] = eventElement.firstChildElement("abstract").text(); // string
                         event["description"] = eventElement.firstChildElement("description").text(); // string
-                        aDBEngine->addEventToDB(event);
+                        checkEvent(event);
+                        sqlEngine->addEventToDB(event);
                         // process persons' nodes
-                        QList<QString> persons;
                         QDomElement personsElement = eventElement.firstChildElement("persons");
                         QDomNodeList personList = personsElement.elementsByTagName("person");
                         for(int i = 0;i < personList.count();i++){
@@ -105,9 +159,8 @@ int ScheduleXmlParser::parseData(const QByteArray &aData, SqlEngine *aDBEngine)
                             person["id"] = personList.at(i).toElement().attribute("id");
                             person["name"] = personList.at(i).toElement().text();
                             person["event_id"] = eventElement.attribute("id");
-                            person["conference_id"] = QString::number(confId, 10);
-                            //qDebug() << "adding Person: " << person["name"];
-                            aDBEngine->addPersonToDB(person);
+                            person["conference_id"] = QString::number(conferenceId, 10);
+                            sqlEngine->addPersonToDB(person);
                         }
                         // process links' nodes
                         QDomElement linksElement = eventElement.firstChildElement("links");
@@ -117,8 +170,8 @@ int ScheduleXmlParser::parseData(const QByteArray &aData, SqlEngine *aDBEngine)
                             link["name"] = linkList.at(i).toElement().text();
                             link["url"] = linkList.at(i).toElement().attribute("href");
                             link["event_id"] = eventElement.attribute("id");
-                            link["conference_id"] = QString::number(confId, 10);
-                            aDBEngine->addLinkToDB(link);
+                            link["conference_id"] = QString::number(conferenceId, 10);
+                            sqlEngine->addLinkToDB(link);
                         }
                         // emit signal to inform the user about the current status (how many events are parsed so far - expressed in %)
                         int status = currentEvent * 100 / totalEventsCount;
@@ -128,7 +181,18 @@ int ScheduleXmlParser::parseData(const QByteArray &aData, SqlEngine *aDBEngine)
             } // parsing room elements
         } // parsing day elements
     } // schedule element
+    if (conference_title.isNull()) throw ParseException("Could not parse schedule");
+
+    transaction.commit();
+    emit parsingScheduleEnd(conferenceId);
+}
+
 
-    return confId;
+void ScheduleXmlParser::parseData(const QByteArray &aData, const QString& url, int conferenceId) {
+    try {
+        parseDataImpl(aData, url, conferenceId);
+    } catch (ParseException& e) {
+        error_message(e.what());
+    }
 }