looqs/cli/commanddelete.cpp
Albert S a6f73d724a CommandDelete: Rework deletion logic
Allow deleting files from index which still exist
on the fileystem without passing their path to "qss delete".

Thus: "qss delete --deleted" deletes all files which
don't exist anymore.

Also, fix some bugs in offset calculation.
2020-08-30 18:16:08 +02:00

146 rivejä
3.5 KiB
C++

#include <QCommandLineParser>
#include <QFile>
#include <QFileInfo>
#include <QDebug>
#include <QRegularExpression>
#include <QSqlError>
#include "commanddelete.h"
#include "logger.h"
int CommandDelete::remove(QString pattern, bool onlyDeleted, bool verbose, bool dryRun)
{
int deleted = 0;
int offset = 0;
int limit = 1000;
QVector<FileData> files;
int processedRows = this->dbService->getFiles(files, pattern, 0, limit);
while(processedRows > 0 )
{
for(FileData &file : files)
{
if(onlyDeleted && QFileInfo::exists(file.absPath))
{
if(verbose)
{
Logger::info() << "Skipping " << file.absPath << " as the file exists on the file system" << endl;
}
}
else
{
if(!dryRun)
{
if(this->dbService->deleteFile(file.absPath))
{
if(verbose)
{
Logger::info() << "Deleted" << file.absPath << endl;
}
++deleted;
}
else
{
Logger::error()<< "Failed to delete:" << file.absPath << ", exiting." << endl;
return 1;
}
}
else
{
Logger::info() << "Would delete " << file.absPath << endl;
}
}
}
if(dryRun)
{
offset += limit;
}
else
{
offset = offset + limit - deleted;
}
files.clear();
processedRows = this->dbService->getFiles(files, pattern, offset, limit);
deleted = 0;
}
return 0;
}
int CommandDelete::removePaths(const QStringList &paths, bool verbose, bool dryRun)
{
int result = 0;
for(const QString &file : paths)
{
QFileInfo fileInfo(file);
QString absPath = fileInfo.absoluteFilePath();
if(this->dbService->fileExistsInDatabase(absPath))
{
if(!dryRun)
{
if(this->dbService->deleteFile(absPath))
{
if(verbose)
{
Logger::info() << "Deleted" << absPath << endl;
}
}
else
{
Logger::error()<< "Failed to delete:" << absPath << endl;
result = 1;
}
}
}
else
{
Logger::error() << "No such file in database:" << absPath << endl;
result = 1;
}
}
return result;
}
int CommandDelete::handle(QStringList arguments)
{
QCommandLineParser parser;
parser.addOptions({
{ { "v", "verbose" }, "Print path of the files while deleting them" },
{ { "n", "dry-run"}, "Only print which files would be deleted from the database, don't delete them"},
{ "pattern", "Only delete files from index matching the pattern, e. g. */.git/*. Can be used to restrict --deleted or standalone.", "pattern" },
{ "deleted", "Delete all files from the index that don't exist anymore. Can be restricted by --pattern." }
});
parser.addHelpOption();
parser.addPositionalArgument("delete", "Delete paths from the index", "delete [paths...]");
parser.process(arguments);
bool verbose = parser.isSet("verbose");
bool dryRun = parser.isSet("dry-run");
bool deleted = parser.isSet("deleted");
QString pattern = parser.value("pattern");
if(deleted || ! pattern.isEmpty())
{
int result = this->remove(pattern, deleted, verbose, dryRun);
if(result != 0)
{
Logger::error() << "Removal operation did not succeed" << endl;
return result;
}
}
QStringList files = parser.positionalArguments();
if(files.length() > 0)
{
int result = removePaths(files, verbose, dryRun);
if(result != 0)
{
return result;
}
}
return 0;
}