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516 lines
17 KiB
C++
516 lines
17 KiB
C++
/*
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statisticscontact.cpp
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Copyright (c) 2003-2004 by Marc Cramdal <marc.cramdal@gmail.com>
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*************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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*************************************************************************
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*/
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#include <stdlib.h>
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#include <qvaluelist.h>
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#include <quuid.h>
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#include <kdebug.h>
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#include <klocale.h>
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#include "kopetemetacontact.h"
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#include "kopeteonlinestatus.h"
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#include "statisticscontact.h"
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#include "statisticsdb.h"
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StatisticsContact::StatisticsContact(Kopete::MetaContact *mc, StatisticsDB *db) : m_metaContact(mc),m_db(db), m_oldStatus(Kopete::OnlineStatus::Unknown)
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{
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m_isChatWindowOpen = false;
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m_oldStatusDateTime = QDateTime::currentDateTime();
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// Last*Changed are always false at start
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m_timeBetweenTwoMessagesChanged = false;
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m_lastTalkChanged = false;
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m_lastPresentChanged = false;
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m_messageLengthChanged = false;
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}
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/**
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* \brief saves contact statistics
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*/
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StatisticsContact::~StatisticsContact()
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{
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if (m_statisticsContactId.isEmpty())
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return;
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commonStatsSave("timebetweentwomessages",QString::number(m_timeBetweenTwoMessages),
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QString::number(m_timeBetweenTwoMessagesOn), m_timeBetweenTwoMessagesChanged);
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commonStatsSave("messagelength",QString::number(m_messageLength), QString::number(m_messageLengthOn), m_messageLengthChanged);
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commonStatsSave("lasttalk", m_lastTalk.toString(), "", m_lastTalkChanged);
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commonStatsSave("lastpresent", m_lastPresent.toString(), "", m_lastPresentChanged);
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}
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void StatisticsContact::initialize(Kopete::Contact *c)
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{
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// Generate statisticsContactId or get it from database
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QStringList buffer = m_db->query(QString("SELECT statisticid FROM contacts "
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"WHERE contactid LIKE '%1';"
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).arg(c->contactId()));
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if (buffer.isEmpty())
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{
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// Check if we don't have old data
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if ( !c->metaContact()->metaContactId().isEmpty() &&
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!m_db->query(QString("SELECT metacontactid FROM commonstats "
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"WHERE metacontactid LIKE '%1';"
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).arg(c->metaContact()->metaContactId())).isEmpty())
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{
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// Use old style id
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m_statisticsContactId = c->metaContact()->metaContactId();
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}
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else
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{
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// Create new id
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m_statisticsContactId = QUuid::createUuid().toString();
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}
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// Assign contactId to m_statisticsContactId
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m_db->query(QString("INSERT INTO contacts (statisticid, contactid) VALUES('%1', '%2');"
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).arg(m_statisticsContactId).arg(c->contactId()));
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}
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else
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{
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m_statisticsContactId = buffer[0];
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}
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kdDebug() << k_funcinfo << " m_statisticsContactId: " << m_statisticsContactId << endl;
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commonStatsCheck("timebetweentwomessages", m_timeBetweenTwoMessages, m_timeBetweenTwoMessagesOn, 0, -1);
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commonStatsCheck("messagelength", m_messageLength, m_messageLengthOn, 0, 0);
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// Check for last talk
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QString lastTalk;
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QString dummy = "";
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commonStatsCheck("lasttalk", lastTalk, dummy);
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if (lastTalk.isEmpty())
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{
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m_lastTalk.setTime_t(0);
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m_lastTalkChanged = true;
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}
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else
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m_lastTalk = QDateTime::fromString(lastTalk);
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// Get last time a message was received
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m_lastMessageReceived = QDateTime::currentDateTime();
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// Check for lastPresent
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QString lastPresent = "";
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commonStatsCheck("lastpresent", lastPresent, dummy);
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if (lastPresent.isEmpty())
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{
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m_lastPresent.setTime_t(0);
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m_lastPresentChanged = true;
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}
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else
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m_lastPresent = QDateTime::fromString(lastPresent);
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}
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void StatisticsContact::contactAdded( Kopete::Contact *c )
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{
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if ( !m_statisticsContactId.isEmpty() )
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{
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// Check if contact is allready in database if not add it
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if (m_db->query(QString("SELECT id FROM contacts "
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"WHERE statisticid LIKE '%1' AND contactid LIKE '%2';"
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).arg(m_statisticsContactId).arg(c->contactId())).isEmpty())
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{
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// Assign contactId to m_statisticsContactId
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m_db->query(QString("INSERT INTO contacts (statisticid, contactid) VALUES('%1', '%2');"
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).arg(m_statisticsContactId).arg(c->contactId()));
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}
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kdDebug() << k_funcinfo << " m_statisticsContactId: " << m_statisticsContactId << endl;
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}
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else
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{
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// This is first contact, we need to initialize this object
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initialize(c);
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}
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}
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void StatisticsContact::contactRemoved( Kopete::Contact *c )
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{
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if (m_statisticsContactId.isEmpty())
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return;
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kdDebug() << k_funcinfo << " m_statisticsContactId: " << m_statisticsContactId << endl;
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m_db->query(QString("DELETE FROM contacts WHERE statisticid LIKE '%1' AND contactid LIKE '%2';"
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).arg(m_statisticsContactId).arg(c->contactId()));
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}
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void StatisticsContact::removeFromDB()
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{
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if (m_statisticsContactId.isEmpty())
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return;
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kdDebug() << k_funcinfo << " m_statisticsContactId: " << m_statisticsContactId << endl;
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m_db->query(QString("DELETE FROM contacts WHERE statisticid LIKE '%1';").arg(m_statisticsContactId));
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m_db->query(QString("DELETE FROM contactstatus WHERE metacontactid LIKE '%1';").arg(m_statisticsContactId));
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m_db->query(QString("DELETE FROM commonstats WHERE metacontactid LIKE '%1';").arg(m_statisticsContactId));
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m_statisticsContactId = QString::null;
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}
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void StatisticsContact::commonStatsSave(const QString name, const QString statVar1, const QString statVar2, const bool statVarChanged)
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{
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// Only update the database if there was a change
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if (!statVarChanged) return;
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if (m_statisticsContactId.isEmpty())
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return;
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m_db->query(QString("UPDATE commonstats SET statvalue1 = '%1', statvalue2='%2'"
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"WHERE statname LIKE '%3' AND metacontactid LIKE '%4';").arg(statVar1).arg(statVar2).arg(name).arg(m_statisticsContactId));
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}
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void StatisticsContact::commonStatsCheck(const QString name, int& statVar1, int& statVar2, const int defaultValue1, const int defaultValue2)
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{
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QString a = QString::number(statVar1);
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QString b = QString::number(statVar2);
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commonStatsCheck(name, a, b, QString::number(defaultValue1), QString::number(defaultValue2));
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statVar1 = a.toInt();
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statVar2 = b.toInt();
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}
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void StatisticsContact::commonStatsCheck(const QString name, QString& statVar1, QString& statVar2, const QString defaultValue1, const QString defaultValue2)
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{
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if (m_statisticsContactId.isEmpty())
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return;
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QStringList buffer = m_db->query(QString("SELECT statvalue1,statvalue2 FROM commonstats WHERE statname LIKE '%1' AND metacontactid LIKE '%2';").arg(name, m_statisticsContactId));
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if (!buffer.isEmpty())
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{
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statVar1 = buffer[0];
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statVar2 = buffer[1];
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}
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else
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{
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m_db->query(QString("INSERT INTO commonstats (metacontactid, statname, statvalue1, statvalue2) VALUES('%1', '%2', 0, 0);").arg(m_statisticsContactId, name));
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statVar1 = defaultValue1;
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statVar2 = defaultValue2;
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}
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}
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/**
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* \brief records informations from the new message
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*
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* Currently it does :
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* <ul>
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* <li>Recalculate the average time between two messages
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* It should only calculate this time if a chatwindow is open (sure, it isn't
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* perfect, because we could let a chatwindow open a whole day but that's at this * time the nicest way, maybe we could check the time between the two last messages
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* and if it is greater than, say, 10 min, do as there where no previous message)
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* So we do this when the chatwindow is open. We don't set m_isChatWindowOpen to true
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* when a new chatwindow is open, but when a new message arrives. However, we set it
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* to false when the chatwindow is closed (see StatisticsPlugin::slotViewClosed).
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*
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* Then it is only a question of some calculations.
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*
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* <li>Recalculate the average message lenght
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*
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* <li>Change last-talk datetime
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* </ul>
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*
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*/
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void StatisticsContact::newMessageReceived(Kopete::Message& m)
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{
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kdDebug() << "statistics: new message received" << endl;
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QDateTime currentDateTime = QDateTime::currentDateTime();
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if (m_timeBetweenTwoMessagesOn != -1 && m_isChatWindowOpen)
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{
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m_timeBetweenTwoMessages = (m_timeBetweenTwoMessages*m_timeBetweenTwoMessagesOn + m_lastMessageReceived.secsTo(currentDateTime))/(1 + m_timeBetweenTwoMessagesOn);
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}
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setIsChatWindowOpen(true);
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m_timeBetweenTwoMessagesOn += 1;
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m_lastMessageReceived = currentDateTime;
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// Message lenght
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m_messageLength= (m.plainBody().length() + m_messageLength * m_messageLengthOn)/(1 + m_messageLengthOn);
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m_messageLengthOn++;
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// Last talked
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/// @todo do this in message sent too. So we need setLastTalk()
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m_lastTalk = currentDateTime;
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m_messageLengthChanged = true;
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m_lastTalkChanged = true;
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m_timeBetweenTwoMessagesChanged = true;
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}
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/**
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* \brief Update the database for this contact when required.
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*/
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void StatisticsContact::onlineStatusChanged(Kopete::OnlineStatus::StatusType status)
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{
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if (m_statisticsContactId.isEmpty())
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return;
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QDateTime currentDateTime = QDateTime::currentDateTime();
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/// We don't want to log if oldStatus is unknown
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/// the change could not be a real one; see StatisticsPlugin::slotMySelfOnlineStatusChanged
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if (m_oldStatus != Kopete::OnlineStatus::Unknown)
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{
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kdDebug() << "statistics - status change for "<< metaContact()->metaContactId() << " : "<< QString::number(m_oldStatus) << endl;
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m_db->query(QString("INSERT INTO contactstatus "
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"(metacontactid, status, datetimebegin, datetimeend) "
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"VALUES('%1', '%2', '%3', '%4'" ");").arg(m_statisticsContactId).arg(Kopete::OnlineStatus::statusTypeToString(m_oldStatus)).arg(QString::number(m_oldStatusDateTime.toTime_t())).arg(QString::number(currentDateTime.toTime_t())));
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}
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if (m_oldStatus == Kopete::OnlineStatus::Online || m_oldStatus == Kopete::OnlineStatus::Away)
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// If the last status was Online or Away, the last time contact was present is the time he goes offline
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{
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m_lastPresent = currentDateTime;
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m_lastPresentChanged = true;
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}
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m_oldStatus = status;
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m_oldStatusDateTime = currentDateTime;
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}
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bool StatisticsContact::wasStatus(QDateTime dt, Kopete::OnlineStatus::StatusType status)
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{
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if (m_statisticsContactId.isEmpty())
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return false;
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QStringList values = m_db->query(QString("SELECT status, datetimebegin, datetimeend "
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"FROM contactstatus WHERE metacontactid LIKE '%1' AND datetimebegin <= %2 AND datetimeend >= %3 "
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"AND status LIKE '%4' "
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"ORDER BY datetimebegin;"
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).arg(m_statisticsContactId).arg(dt.toTime_t()).arg(dt.toTime_t()).arg(Kopete::OnlineStatus::statusTypeToString(status)));
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if (!values.isEmpty()) return true;
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return false;
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}
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QString StatisticsContact::statusAt(QDateTime dt)
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{
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if (m_statisticsContactId.isEmpty())
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return "";
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QStringList values = m_db->query(QString("SELECT status, datetimebegin, datetimeend "
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"FROM contactstatus WHERE metacontactid LIKE '%1' AND datetimebegin <= %2 AND datetimeend >= %3 "
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"ORDER BY datetimebegin;"
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).arg(m_statisticsContactId).arg(dt.toTime_t()).arg(dt.toTime_t()));
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if (!values.isEmpty()) return Kopete::OnlineStatus(Kopete::OnlineStatus::statusStringToType(values[0])).description();
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else return "";
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}
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QString StatisticsContact::mainStatusDate(const QDate& date)
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{
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if (m_statisticsContactId.isEmpty())
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return "";
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QDateTime dt1(date, QTime(0,0,0));
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QDateTime dt2(date.addDays(1), QTime(0,0,0));
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kdDebug() << "dt1:" << dt1.toString() << " dt2:" << dt2.toString() << endl;
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QString request = QString("SELECT status, datetimebegin, datetimeend, metacontactid "
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"FROM contactstatus WHERE metacontactid = '%1' AND "
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"(datetimebegin >= %2 AND datetimebegin <= %3 OR "
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"datetimeend >= %4 AND datetimeend <= %5) "
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"ORDER BY datetimebegin;"
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).arg(m_statisticsContactId).arg(dt1.toTime_t()).arg(dt2.toTime_t()).arg(dt1.toTime_t()).arg(dt2.toTime_t());
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kdDebug() << request << endl;
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QStringList values = m_db->query(request);
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unsigned int online = 0, offline = 0, away = 0;
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for(uint i=0; i<values.count(); i+=4)
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{
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unsigned int datetimebegin = values[i+1].toInt(), datetimeend = values[i+2].toInt();
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kdDebug() << "statistics: id "<< values[i+3]<< " status " << values[i] << " datetimeend " << QString::number(datetimeend) << " datetimebegin " << QString::number(datetimebegin) << endl;
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if (datetimebegin <= dt1.toTime_t()) datetimebegin = dt1.toTime_t();
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if (datetimeend >= dt2.toTime_t()) datetimeend = dt2.toTime_t();
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if (values[i]==Kopete::OnlineStatus::statusTypeToString(Kopete::OnlineStatus::Online))
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online += datetimeend - datetimebegin;
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else if (values[i]==Kopete::OnlineStatus::statusTypeToString(Kopete::OnlineStatus::Away))
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away += datetimeend - datetimebegin;
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else if (values[i]==Kopete::OnlineStatus::statusTypeToString(Kopete::OnlineStatus::Offline))
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offline += datetimeend - datetimebegin;
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}
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if (online > away && online > offline) return i18n("Online");
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else if (away > online && away > offline) return i18n("Away");
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else if (offline > online && offline > away) return i18n("Offline");
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return "";
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}
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// QDateTime StatisticsContact::nextOfflineEvent()
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// {
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// return nextEvent(Kopete::OnlineStatus::Offline);
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// }
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//
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// QDateTime StatisticsContact::nextOnlineEvent()
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// {
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// return nextEvent(Kopete::OnlineStatus::Online);
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// }
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// QDateTime StatisticsContact::nextEvent(const Kopete::OnlineStatus::StatusType& status)
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// {
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//
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// }
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QValueList<QTime> StatisticsContact::mainEvents(const Kopete::OnlineStatus::StatusType& status)
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{
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QStringList buffer;
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QValueList<QTime> mainEvents;
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if (m_statisticsContactId.isEmpty())
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return mainEvents;
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QDateTime currentDateTime = QDateTime::currentDateTime();
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buffer = m_db->query(QString("SELECT datetimebegin, datetimeend, status FROM contactstatus WHERE metacontactid LIKE '%1' ORDER BY datetimebegin").arg(m_statisticsContactId));
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// Only select the events for which the previous is not Unknown AND the status is status.
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QStringList values;
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for (uint i=0; i<buffer.count(); i += 3)
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{
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if (buffer[i+2] == Kopete::OnlineStatus::statusTypeToString(status)
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&& abs(buffer[i+1].toInt()-buffer[i].toInt()) > 120)
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{
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values.push_back(buffer[i]);
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}
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}
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// No entries for this contact ...
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if (!values.count()) return mainEvents;
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// First we compute the average number of events/day : avEventsPerDay;
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int avEventsPerDay = 0;
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QDateTime dt1, dt2;
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dt1.setTime_t(values[0].toInt());
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dt2.setTime_t(values[values.count()-1].toInt());
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avEventsPerDay = qRound((double)values.count()/(double)dt1.daysTo(dt2));
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kdDebug() << "statistics: average events per day : " <<avEventsPerDay << endl;
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// We want to work on hours
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QValueList<int> hoursValues;
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for (uint i=0; i<values.count(); i++)
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{
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QDateTime dt;
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dt.setTime_t(values[i].toInt());
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hoursValues.push_back(QTime(0, 0, 0).secsTo(dt.time()));
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}
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// Sort the list
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qHeapSort(hoursValues);
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// Then we put some centroids (centroids in [0..24[)
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QValueList<int> centroids;
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int incr=qRound((double)hoursValues.count()/(double)avEventsPerDay);
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incr = incr ? incr : 1;
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for (uint i=0; i<hoursValues.count(); i+=incr)
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{
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centroids.push_back(hoursValues[i]);
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kdDebug() << "statistics: add a centroid : " << centroids[centroids.count()-1] << endl;
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}
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// We need to compute the centroids
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centroids = computeCentroids(centroids, hoursValues);
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// Convert to QDateTime
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for (uint i=0; i<centroids.count(); i++)
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{
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kdDebug() << "statistics: new centroid : " << centroids[i] << endl;
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QTime dt(0, 0, 0);
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dt = dt.addSecs(centroids[i]);
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mainEvents.push_back(dt);
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}
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return mainEvents;
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}
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QValueList<int> StatisticsContact::computeCentroids(const QValueList<int>& centroids, const QValueList<int>& values)
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{
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kdDebug() << "statistics: enter compute centroids"<< endl;
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QValueList<int> whichCentroid; // whichCentroid[i] = j <=> values[i] has centroid j for closest one
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QValueList<int> newCentroids;
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for (uint i=0; i<values.count(); i++)
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// Iterates over the values. For each one we need to get the closest centroid.
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{
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int value = values[i];
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int distanceToNearestCentroid = abs(centroids[0]-value);
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int nearestCentroid = 0;
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for (uint j=1; j<centroids.count(); j++)
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{
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if (abs(centroids[j]-value) < distanceToNearestCentroid)
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{
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distanceToNearestCentroid = abs(centroids[j]-value);
|
|
nearestCentroid = j;
|
|
}
|
|
}
|
|
whichCentroid.push_back(nearestCentroid);
|
|
}
|
|
|
|
// Recompute centroids
|
|
newCentroids = centroids;
|
|
|
|
for (uint i=0; i<newCentroids.count(); i++)
|
|
{
|
|
kdDebug() << "statistics: compute new centroids"<< i << endl;
|
|
int weight = 0;
|
|
for (uint j=0; j<values.count(); j++)
|
|
{
|
|
int value = values[j];
|
|
if (whichCentroid[j] == i)
|
|
{
|
|
newCentroids[i] = qRound((double)(value + newCentroids[i]*weight)/(double)(weight + 1));
|
|
weight++;
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
// Should we recompute or are we OK ?
|
|
int dist = 0;
|
|
for (uint i=0; i < newCentroids.count(); i++)
|
|
dist += abs(newCentroids[i]-centroids[i]);
|
|
|
|
if (dist > 10)
|
|
return computeCentroids(newCentroids, values);
|
|
else
|
|
{
|
|
|
|
return newCentroids;
|
|
}
|
|
}
|