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/*
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.
*/
#include <QLabel>
#include <QPushButton>
#include <QPlainTextEdit>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QSqlQuery>
#include <QFileInfo>
#include <QSignalMapper>
#include <QTextCursor>
#include <QMutexLocker>
#include <QMutex>
#include <QTextCharFormat>
#include <QBrush>
#include <QTextBlock>
#include <QCheckBox>
#include <QTimer>
#include "consistencycheck.h"
#include "helper.h"
ConsistencyCheck::ConsistencyCheck(QWidget *parent, Qt::WindowFlags f) : QDialog(parent, f), mChecker(0){
// setup widget
mCheckLabel = new QLabel(tr("Checking database consistency"));
mDisplay = new QPlainTextEdit;
mDisplay->setReadOnly(true);
mCancelExit = new QPushButton(tr("Close"));
mCheckDb = new QPushButton(tr("Check database"));
mCheckFs = new QPushButton(tr("Check Filesystem"));
mErrorsOnly = new QCheckBox(tr("Show only errors"));
connect(mErrorsOnly, SIGNAL(stateChanged(int)), this, SLOT(showErrorsChanged(int)));
QHBoxLayout *buttonLayout = new QHBoxLayout;
buttonLayout->addWidget(mCheckDb);
buttonLayout->addWidget(mCheckFs);
buttonLayout->addStretch();
buttonLayout->addWidget(mCancelExit);
connect(mCancelExit, SIGNAL(clicked()), this, SLOT(accept()));
// signal mapper
QSignalMapper *mapper = new QSignalMapper(this);
connect(mCheckDb, SIGNAL(clicked()), mapper, SLOT(map()));
mapper->setMapping(mCheckDb, ConsistencyCheck::DbCheck);
connect(mCheckFs, SIGNAL(clicked()), mapper, SLOT(map()));
mapper->setMapping(mCheckFs, ConsistencyCheck::FsCheck);
connect(mapper, SIGNAL(mapped(int)), this, SLOT(startChecker(int)));
//misc
mChecker = new ConsistencyChecker(this);
connect(mChecker, SIGNAL(started()), this, SLOT(checkerStarted()));
connect(mChecker, SIGNAL(finished()), this, SLOT(checkerFinished()));
// main layout
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addWidget(mCheckLabel);
mainLayout->addWidget(mDisplay);
mainLayout->addWidget(mErrorsOnly);
mainLayout->addLayout(buttonLayout);
setWindowTitle(tr("Checking consistency"));
setLayout(mainLayout);
}
void ConsistencyCheck::startChecker(int checkerType){
if(mChecker->status() == ConsistencyChecker::Fail){
return;
}
switch(checkerType){
case DbCheck:
mChecker->setMode(ConsistencyCheck::DbCheck);
break;
case FsCheck:
;
break;
default:
;
}
connect(mChecker, SIGNAL(consistencyMsg(QString)), this, SLOT(addMessage(QString)));
mChecker->check();
}
void ConsistencyCheck::addMessage(const QString &message){
QTextCursor cursor(mDisplay->textCursor());
QTextCharFormat fmt;
if(message.startsWith("OK")){
fmt.setForeground(QBrush(Qt::green));
}else{
fmt.setForeground(QBrush(Qt::red));
}
QTextBlock curBlock = cursor.block();
if(!curBlock.text().isEmpty()){
cursor.insertBlock();
}
cursor.setCharFormat(fmt);
cursor.insertText(message);
}
void ConsistencyCheck::checkerStarted(){
mCheckDb->setEnabled(false);
mCheckFs->setEnabled(false);
mCancelExit->setText(tr("Cancel"));
mCancelExit->disconnect();
connect(mCancelExit, SIGNAL(clicked()), this, SLOT(cancelChecker()));
}
void ConsistencyCheck::checkerFinished(){
mCheckDb->setEnabled(true);
mCheckFs->setEnabled(true);
mCancelExit->setText(tr("Close"));
mCancelExit->disconnect();
connect(mCancelExit, SIGNAL(clicked()), this, SLOT(accept()));
mChecker->setCancel(false);
}
void ConsistencyCheck::cancelChecker(){
mChecker->setCancel(true);
}
void ConsistencyCheck::showErrorsChanged(int state){
QTextDocument *doc = mDisplay->document();
for(QTextBlock it = doc->begin(); it != doc->end(); it = it.next()){
if(it.text().startsWith("OK")){
if(state == Qt::Checked){
it.setVisible(false);
}else{
it.setVisible(true);
}
}
}
mDisplay->viewport()->update();
}
ConsistencyChecker::ConsistencyChecker(QObject *parent) : QThread(parent), mCanceled(false), mMode(-1), mStatus(Ok){
mDb = QSqlDatabase::cloneDatabase(QSqlDatabase::database("treedb"), "checkerDb");
if(!mDb.open()){
mStatus = Fail;
}
}
void ConsistencyChecker::check(){
if(!isRunning()){
start();
}
}
void ConsistencyChecker::setCancel(bool cancel){
QMutexLocker locker(&mCancelMutex);
mCanceled = cancel;
}
ConsistencyChecker::~ConsistencyChecker(){
mDb.close();
}
void ConsistencyChecker::run(){
switch(mMode){
case ConsistencyCheck::DbCheck:
QTimer::singleShot(0, this, SLOT(dbCheck()));
exec();
break;
default:
;
}
}
void ConsistencyChecker::dbCheck(){
QSqlQuery fileDbQuery = QSqlQuery("SELECT tfilename, cmd5sum, idvd FROM files ORDER BY tfilename", mDb);
while(fileDbQuery.next()){
QMutexLocker locker(&mCancelMutex);
if(mCanceled){
return;
}
QString fileName = fileDbQuery.value(0).toString();
QString md5sum = fileDbQuery.value(1).toString();
int dvdNo = fileDbQuery.value(2).toInt();
QString fullPath = archivePath(fileName, md5sum);
if(fullPath.isEmpty()){
if(dvdNo != -1){
emit consistencyMsg(QString(tr("OK: %1")).arg(fileName));
}else{
emit consistencyMsg(QString(tr("NOT FOUND: %1")).arg(fileName));
}
}else{
if(dvdNo == -1){
emit consistencyMsg(QString(tr("OK: %1")).arg(fileName));
}else{
QString mimeType = Helper::mimeType(fullPath);
if(mimeType.startsWith("image")){
emit consistencyMsg(QString(tr("OK: %1")).arg(fileName));
}else{
QString msg = QString(tr("FOUND: %1 (DVD: %2)")).arg(fullPath).arg(dvdNo);
emit consistencyMsg(msg);
}
}
}
}
quit();
}
QString ConsistencyChecker::archivePath(const QString &fileName, const QString &md5sum) const {
QString filePath = Helper::createArchivePath(fileName, md5sum);
QFileInfo fi(filePath);
if(!fi.exists()){
filePath = Helper::createArchivePath(fileName, md5sum, true);
fi = QFileInfo(filePath);
if(!fi.exists()){
filePath.clear();
}
}
return filePath;
}
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