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#include "BackgroundWorker.h"
#include <LuminaXDG.h>
#include <QMediaServiceSupportedFormatsInterface>
#include <QImageReader>
BackgroundWorker::BackgroundWorker() : QObject(){
}
BackgroundWorker::~BackgroundWorker(){
}
void BackgroundWorker::startDirChecks(QString path){
QDir dir(path);
//First check for image files
if(imgFilter.isEmpty()){
//Initial Run - load supported image extensions
QList<QByteArray> fmt = QImageReader::supportedImageFormats();
for(int i=0; i<fmt.length(); i++){ imgFilter << "*."+QString(fmt[i]).toLower(); }
qDebug() << "Supported Image Formats:" << imgFilter;
}
QStringList pics = dir.entryList(imgFilter, QDir::Files | QDir::NoDotAndDotDot, QDir::Name | QDir::IgnoreCase);
if(!pics.isEmpty() && !imgFilter.isEmpty()){ emit ImagesAvailable(pics); }
//Now check for multimedia files
if(multiFilter.isEmpty()){
//Initial Run - load supported multimedia extensions
// (Auto-detection of supported types broken in Qt5 - just use everythings for now)
multiFilter = LXDG::findAVFileExtensions();
multiFilter.removeDuplicates();
qDebug() << "Supported Multimedia Formats:" << multiFilter;
}
QStringList files = dir.entryList(multiFilter, QDir::Files | QDir::NoDotAndDotDot, QDir::Name | QDir::IgnoreCase);
if(!files.isEmpty() && !multiFilter.isEmpty()){ emit MultimediaAvailable(files); }
//Now check for ZFS snapshots of the directory
if(!QFileInfo(path).isWritable() ){ return; } //skip ZFS checks if can't restore to this dir
cdir = path;
QStringList snapDirs;
QString baseSnapDir;
bool found = false;
if(cdir == path && QFile::exists(csnapdir) ){
//no need to re-search for it - just found it recently
baseSnapDir= csnapdir; found=true;
}else{
while(dir.absolutePath()!="/" && !found){
if(dir.exists(".zfs/snapshot")){
baseSnapDir = dir.canonicalPath()+"/.zfs/snapshot";
found = true;
}else{ dir.cdUp(); }
}
}
cdir = path; csnapdir = baseSnapDir;
//Now find the snapshots that contain this directory and save them
if(found){
QString reldir = path;
reldir.remove(baseSnapDir.section("/.zfs/snapshot",0,0)); //convert to a relative path
dir.cd(baseSnapDir);
snapDirs = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Time);
//Check that the current directory exists in each snapshot
for(int i=0; i<snapDirs.length(); i++){
if( !dir.exists(snapDirs[i]+"/"+reldir) ){
snapDirs.removeAt(i);
i--;
}else{
snapDirs[i] = QFileInfo(dir, snapDirs[i]+"/"+reldir).created().toString("yyyyMMddhhmmsszzz")+"::::"+snapDirs[i];
}
}
snapDirs.sort();
//Sort the snapshots by time (newest last) and format them
for(int i=0; i<snapDirs.length(); i++){
snapDirs[i] = dir.absolutePath()+"/"+snapDirs[i].section("::::",1,50)+"/"+reldir;
}
if(!snapDirs.isEmpty()){ emit SnapshotsAvailable(baseSnapDir, snapDirs); }
//qDebug() << "Found snapshots:" << snapDirs;
}
}
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