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looqs/cli/commandadd.cpp

199 Zeilen
5.5 KiB
C++

#include <QFileInfo>
#include <QDebug>
#include <QSqlQuery>
#include <QSqlError>
#include <QDateTime>
#include <QMap>
#include <QTextStream>
#include <QException>
#include <QCommandLineParser>
#include <QMutex>
#include <QMutexLocker>
#include <QtConcurrent/QtConcurrentMap>
#include "processor.h"
#include "pdfprocessor.h"
#include "commandadd.h"
#include "defaulttextprocessor.h"
#include "tagstripperprocessor.h"
#include "nothingprocessor.h"
#include "odtprocessor.h"
#include "odsprocessor.h"
#include "utils.h"
static DefaultTextProcessor *defaultTextProcessor = new DefaultTextProcessor();
static TagStripperProcessor *tagStripperProcessor = new TagStripperProcessor();
static NothingProcessor *nothingProcessor = new NothingProcessor();
static OdtProcessor *odtProcessor = new OdtProcessor();
static OdsProcessor *odsProcessor = new OdsProcessor();
static QMap<QString, Processor *> processors{
{"pdf", new PdfProcessor()}, {"txt", defaultTextProcessor}, {"md", defaultTextProcessor},
{"py", defaultTextProcessor}, {"xml", nothingProcessor}, {"html", tagStripperProcessor},
{"java", defaultTextProcessor}, {"js", defaultTextProcessor}, {"cpp", defaultTextProcessor},
{"c", defaultTextProcessor}, {"sql", defaultTextProcessor}, {"odt", odtProcessor},
{"ods", odsProcessor}};
AddFileResult CommandAdd::addFile(QString path)
{
QFileInfo info(path);
QString absPath = info.absoluteFilePath();
auto mtime = info.lastModified().toSecsSinceEpoch();
QChar fileType = info.isDir() ? 'd' : 'f';
QSqlDatabase db = dbConnection();
if(fileExistsInDatabase(db, absPath, mtime))
{
return SKIPPED;
}
Processor *processor = processors.value(info.suffix(), nothingProcessor);
QVector<PageData> pageData;
if(processor->PREFERED_DATA_SOURCE == FILEPATH)
{
pageData = processor->process(absPath);
}
else
{
pageData = processor->process(Utils::readFile(absPath));
}
// Could happen if a file corrupted for example
if(pageData.isEmpty() && processor != nothingProcessor)
{
Utils::error() << "Could not get any content for " << absPath << endl;
}
// Workaround to "database is locked" error. Perhaps try WAL mode etc.
// QMutexLocker locker(&writeMutex);
if(!db.transaction())
{
Utils::error() << "Failed to open transaction for " << absPath << " : " << db.lastError() << endl;
return DBFAIL;
}
QSqlQuery delQuery("DELETE FROM file WHERE path = ?", db);
delQuery.addBindValue(absPath);
if(!delQuery.exec())
{
Utils::error() << "Failed DELETE query" << delQuery.lastError() << endl;
db.rollback();
return DBFAIL;
}
QSqlQuery inserterQuery("INSERT INTO file(path, mtime, size, filetype) VALUES(?, ?, ?, ?)", db);
inserterQuery.addBindValue(absPath);
inserterQuery.addBindValue(mtime);
inserterQuery.addBindValue(info.size());
inserterQuery.addBindValue(fileType);
if(!inserterQuery.exec())
{
Utils::error() << "Failed INSERT query" << inserterQuery.lastError() << endl;
db.rollback();
return DBFAIL;
}
int lastid = inserterQuery.lastInsertId().toInt();
for(PageData &data : pageData)
{
QSqlQuery contentQuery("INSERT INTO content(fileid, page, content) VALUES(?, ?, ?)", db);
contentQuery.addBindValue(lastid);
contentQuery.addBindValue(data.pagenumber);
contentQuery.addBindValue(data.content);
if(!contentQuery.exec())
{
db.rollback();
Utils::error() << "Failed content insertion " << contentQuery.lastError() << endl;
return DBFAIL;
}
}
if(!db.commit())
{
db.rollback();
Utils::error() << "Failed to commit transaction for " << absPath << " : " << db.lastError() << endl;
return DBFAIL;
}
return OK;
}
int CommandAdd::handle(QStringList arguments)
{
QCommandLineParser parser;
parser.addOptions({{{"c", "continue"}, "Continue adding files, don't exit on first error"},
{{"a", "all"}, "On error, no files should be added, even already processed ones"},
{{"v", "verbose"}, "Print skipped and added files"},
{{"n", "threads"}, "Number of threads to use.", "threads"}});
parser.addHelpOption();
parser.addPositionalArgument("add", "Add paths to the index", "add [paths...]");
parser.process(arguments);
bool keepGoing = false;
bool verbose = false;
if(parser.isSet("continue"))
{
keepGoing = true;
}
if(parser.isSet("verbose"))
{
verbose = true;
}
if(parser.isSet("all"))
{
throw QSSGeneralException("To be implemented");
}
if(parser.isSet("threads"))
{
QString threadsCount = parser.value("threads");
QThreadPool::globalInstance()->setMaxThreadCount(threadsCount.toInt());
}
QStringList files = parser.positionalArguments();
if(files.length() == 0)
{
QTextStream stream(stdin);
while(!stream.atEnd())
{
QString path = stream.readLine();
files.append(path);
}
}
bool terminate = false;
QtConcurrent::blockingMap(files,
[&](QString &path)
{
if(terminate)
{
return;
}
if(verbose)
{
Utils::info() << "Processing " << path << endl;
}
auto result = addFile(path);
if(result == DBFAIL)
{
Utils::error() << "Failed to add " << path << endl;
if(!keepGoing)
{
terminate = true;
}
}
if(verbose)
{
if(result == SKIPPED)
{
Utils::info()
<< "Skipped" << path << "as it already exists in the database" << endl;
}
else
{
Utils::info() << "Added" << path << endl;
}
}
});
return 0;
}