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/*
statisticscontact.h
Copyright (c) 2003-2004 by Marc Cramdal <marc.cramdal@gmail.com>
*************************************************************************
* *
* This program 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. *
* *
*************************************************************************
*/
#ifndef STATISTICSCONTACT_H
#define STATISTICSCONTACT_H
#include "kopeteonlinestatus.h"
#include "kopetemessage.h"
class StatisticsDB;
class QDateTime;
class StatisticsContact
{
public:
StatisticsContact(Kopete::MetaContact *mc, StatisticsDB *db);
/**
* We save all stats to the database (commonstats)
*/
~StatisticsContact();
/*
* Access method
*/
/** \brief Access method
* \return m_db
*/
StatisticsDB *db() { return m_db; }
/** \brief Access method
* \return m_metaContact
*/
Kopete::MetaContact *metaContact() { return m_metaContact; }
/** \brief Access method
* \return m_statisticsContactId
*/
QString statisticsContactId() { return m_statisticsContactId; }
/** \brief Access method
* \return m_oldStatus
*/
Kopete::OnlineStatus::StatusType oldStatus() { return m_oldStatus; }
/** \brief Access method
* \return m_oldStatusDateTime
*/
QDateTime oldStatusDateTime() { return m_oldStatusDateTime; }
/** \brief Access method
* \return m_messageLength
*/
int messageLength() { return m_messageLength; }
/** \brief Access method
* \return m_timeBetweenTwoMessages
*/
int timeBetweenTwoMessages() { return m_timeBetweenTwoMessages; }
/**
* \brief Access method
* \return m_lastTalk
*/
QDateTime lastTalk() { return m_lastTalk; }
/**
* \brief Access method
* \return m_lastPresent
*/
QDateTime lastPresent() { return m_lastPresent; }
/**
* \brief sets \p m_isChatWindowOpen to true
*/
void setIsChatWindowOpen(bool c) { m_isChatWindowOpen = c; }
/*
* Method performing some useful actions
*/
/**
* \brief update the events database with the new statuss
*/
void onlineStatusChanged(Kopete::OnlineStatus::StatusType status);
/**
* \brief update the average time between to messages for this contact
* Should be called when a new message is received by this contact
*/
void newMessageReceived(Kopete::Message& m);
/**
* \returns true if contact was status at dt, false else.
*/
bool wasStatus(QDateTime dt, Kopete::OnlineStatus::StatusType status);
/**
* \returns the status of the contact at dt. Return false if dt is invalid.
*/
QString statusAt(QDateTime dt);
/**
* \returns the main (most used) status of the contact at date (not time) dt. return false if dt is invalid.
*/
QString mainStatusDate(const QDate& date);
/*
* Prevision methods
*/
/**
// * \brief Give informations on when the next event will occur
// *
// * \param status the status to be checked.
// * \retval nextEventDateTime the next event average prevision datetime.
// */
// QDateTime nextEvent(const Kopete::OnlineStatus::StatusType& status);
//
// /**
// * \brief Convenience method for nextEvent with Offline status
// */
// QDateTime nextOfflineEvent();
//
// /**
// * \brief Convenience method for nextEvent with Online status
// */
// QDateTime nextOnlineEvent();
/**
* \brief computes the main "status" events for the contact
*/
QValueList<QTime> mainEvents(const Kopete::OnlineStatus::StatusType& status);
/// \brief used by mainEvents()
QValueList<int> computeCentroids(const QValueList<int>& centroids, const QValueList<int>& values);
/**
* \brief adds contact to "contacts" database and generates m_statisticsContactId if needed
*/
void contactAdded( Kopete::Contact *c );
/**
* \brief removes contact from "contacts" database
*/
void contactRemoved( Kopete::Contact *c );
/**
* \brief removes all records from database that are related to this class and clears m_statisticsContactId
*/
void removeFromDB();
private:
/**
* \brief initializes this object and sets m_statisticsContactId
*
*/
void initialize(Kopete::Contact *c);
/**
* \brief Checks if the value name exists in "commonstats" table, if not, add the row.
*
* \param name the name of the entry to be checked
* \param statVar1 retrieve this var from the database. If it doesn't exists, get it from \p defaultValue1
* \param statVar2 retrieve this var from the database. If it doesn't exists, get it from \p defaultValue2
* \param defaultValue1 defaultValue for \p statVar1
* \param defaultValue2 defaultValue for \p statVar2
* \retval statvar1
* \retval statvar2
*/
void commonStatsCheck(const QString name, QString& statVar1, QString& statVar2, const QString defaultValue1 = "", const QString defaultValue2 = "");
/**
* @brief Same as commonStatsCheck for integers.
* Provided for convenience
*/
void commonStatsCheck(const QString name, int& statVar1, int& statVar2, const int defaultValue1 = 0, const int defaultValue2 = -1);
/**
* @brief Save a value in the "commonstats" table
* \param name the name of the entry to be saved
* \param statVar1 what we are going to store in the first column for this entry
* \param statVar2 the second stat we can save in this table for this entry
* \param statVarChanged if this param is true, we save. Else, we don't. Spare some disk usage.
*/
void commonStatsSave(const QString name, const QString statVar1, const QString statVar2, const bool statVarChanged);
/**
* Kopete::MetaContact linked to this StatisticsContact
* Each StatisticsContact object _has_ to be linked to a metaContact
*/
Kopete::MetaContact *m_metaContact;
/**
* Required to be able to write to the database
*/
StatisticsDB *m_db;
/**
* The interest of statistics contact is to manage the changes of status
* in order to correctly update the database. That's why here we keep the oldStatus
*/
Kopete::OnlineStatus::StatusType m_oldStatus;
/// We keep the old status datetime here
QDateTime m_oldStatusDateTime;
/**
* Average time this user takes between two of his messages
* It may be used to compute a "speed" or "availability" for this contact
*/
int m_timeBetweenTwoMessages;
bool m_timeBetweenTwoMessagesChanged;
/// Date at which the last message was received.
/// Used to compute m_timeBetweenTwoMessages
QDateTime m_lastMessageReceived;
/// This is the ponderation corresponding to m_timeBetweenTwoMessagesOn
int m_timeBetweenTwoMessagesOn;
/// We don't count time if a chatwindow isn't open
bool m_isChatWindowOpen;
/**
* Average length of contact's messages
*/
int m_messageLength;
bool m_messageLengthChanged;
/// This is the ponderation corresponding to m_messageLength
int m_messageLengthOn;
/**
* Last time user talked with this contact
*/
QDateTime m_lastTalk;
bool m_lastTalkChanged;
/**
* Last time user was present (=online or away)
*/
QDateTime m_lastPresent;
bool m_lastPresentChanged;
/**
* Unique id that identifies StatisticsContact
* It's also identifier for database records
*/
QString m_statisticsContactId;
};
#endif
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