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root/src/logger.cpp @ 7f1090e5

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/*
* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This program 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 Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
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#include "logger.h"
#include <QDir>
#include <QDebug>
#include <QTextStream>
#include <QDateTime>
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#include <QtGlobal>
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using namespace CuteEntityManager;
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Logger::Logger(QString path, MsgType min) {
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this->path = path;
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this->minimum = min;
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}

Logger::~Logger() {
}

QString Logger::defaultPath() const {
return QDir::currentPath() + "/errors.log";
}

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void Logger::lastError(const QSqlQuery &q, bool logQuery) {
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if (logQuery || q.lastError().isValid()) {
const QString errorMsg = this->generateLogMsg(q.lastError());
if (logQuery || !errorMsg.isEmpty()) {
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QString msg = "{" + QString("\"time\":\"") +
QDateTime::currentDateTime().toString(Qt::ISODate) + QString("\"") + errorMsg;
msg += this->generateLogMsg(q) + "}";
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this->logMsg(msg, errorMsg.isEmpty() ? MsgType::DEBUG : MsgType::WARNING);
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}
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}
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}

void Logger::lastError(const QSqlError &e) {
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if (e.isValid()) {
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this->logMsg(this->generateLogMsg(e), MsgType::WARNING);
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}
}

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void Logger::logMsg(const QString &value, const MsgType type) {
if (!value.isEmpty() && this->shouldBeLogged(type)) {
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QString msg = value;
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QFile log(this->getPath());
log.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Append);
log.seek(log.size());
QTextStream stream(&log);
stream.setCodec("UTF-8");
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if (value.size() - 1 != value.lastIndexOf("\n")) {
msg.append("\n");
}
stream << msg;
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this->outputToConsole(type, msg.replace("\"", "'").replace("\n", ""));
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stream.flush();
log.close();
}
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}

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QString Logger::generateLogMsg(const QSqlQuery &q, bool withValues) const {
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QString r = ", \"query\":\"" + q.executedQuery() + "\"";
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if (withValues) {
QMap<QString, QVariant> m = q.boundValues();
if (!m.isEmpty()) {
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r += ", \"values\": {";
bool first = true;
for (auto i = m.begin(); i != m.end(); ++i) {
if (first) {
first = false;
} else {
r += ", ";
}
r += "\"" + i.key().mid(1) + "\":\"" + i.value().toString() + "\"";
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}
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}
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r += "}";
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}
return r;
}

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bool Logger::shouldBeLogged(const MsgType &type) const {
switch (type) {
case MsgType::DEBUG:
return this->minimum == MsgType::DEBUG;
case MsgType::INFO:
return this->minimum == MsgType::DEBUG || this->minimum == MsgType::INFO;
case MsgType::WARNING:
return this->minimum == MsgType::DEBUG || this->minimum == MsgType::INFO
|| this->minimum == MsgType::WARNING;
case MsgType::CRITICAL:
return this->minimum == MsgType::DEBUG || this->minimum == MsgType::INFO
|| this->minimum == MsgType::WARNING || this->minimum == MsgType::CRITICAL;
default:
return true;
break;
}
}

void Logger::outputToConsole(const MsgType &type, const QString &msg) const {
switch (type) {
case MsgType::DEBUG:
qDebug() << msg;
break;
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#if QT_VERSION >= 0x050500
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case MsgType::INFO:
qInfo() << msg;
break;
case MsgType::WARNING:
qWarning() << msg;
break;
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#else
case MsgType::INFO:
qDebug() << msg;
break;
case MsgType::WARNING:
qDebug() << msg;
break;
#endif
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case MsgType::CRITICAL:
qCritical() << msg;
break;
case MsgType::FATAL:
qFatal(msg.toUtf8().constData());
break;
}
}

MsgType Logger::getMinimum() const {
return minimum;
}

void Logger::setMinimum(const MsgType &value) {
minimum = value;
}

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QString Logger::getPath() {
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if (this->path.isEmpty()) {
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this->path = this->defaultPath();
}
return path;
}

void Logger::setPath(const QString &value) {
path = value;
}

QString Logger::generateLogMsg(const QSqlError &e) const {
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QString r = "";
if (e.isValid()) {
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r = ",\"error\":\"" + e.text() + "\",\"code\":\"" + e.number() + "\"";
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}
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return r;
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}