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CommandDelete: refactored to use sqlitedbservice

This commit is contained in:
Albert S. 2019-04-16 08:52:07 +02:00
parent 7eec5e9169
commit c8e958d1a6
2 changed files with 43 additions and 57 deletions
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96
cli/commanddelete.cpp
View File

@ -5,97 +5,82 @@
#include <QRegularExpression>
#include <QSqlError>
#include "commanddelete.h"
#include "logger.h"
int CommandDelete::removeNonExistent(QSqlDatabase &db, bool verbose, bool dryRun, QString pattern)
int CommandDelete::removeNonExistent(bool verbose, bool dryRun, QString pattern)
{
// TODO: port this to QRegularExpression once >5.12 gets more widespread because of this bug
// https://bugreports.qt.io/browse/QTBUG-72539?focusedCommentId=439053&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel
// QRegularExpression regexPattern = QRegularExpression::wildcardToRegularExpression(pattern
bool usePattern = !pattern.isEmpty();
QRegExp regexPattern(pattern);
regexPattern.setPatternSyntax(QRegExp::PatternSyntax::WildcardUnix);
// TODO: try to translate pattern to SQL WHERE statement
QSqlQuery pathsQuery("SELECT path FROM file", db);
if(!pathsQuery.exec())
int offset = 0;
int limit = 1000;
QVector<FileData> files;
int processedRows = this->dbService->getFiles(files, pattern, 0, limit);
while(processedRows > 0)
{
Utils::error() << "Failed to query current paths" << endl;
return 1;
}
while(pathsQuery.next())
{
QString path = pathsQuery.value(0).toString();
bool removeFile = true;
if(usePattern)
for(FileData &file : files)
{
removeFile = regexPattern.exactMatch(path);
}
if(removeFile)
{
QFile file(path);
if(!file.exists())
if(!dryRun)
{
if(!dryRun)
QFileInfo fileInfo(file.absPath);
if(fileInfo.exists())
{
QSqlQuery query("DELETE FROM file WHERE path = ?", db);
query.addBindValue(path);
if(!query.exec())
if(this->dbService->deleteFile(file.absPath))
{
Utils::error() << "Failed to delete " << path << query.lastError() << endl;
if(verbose)
{
Logger::info() << "Deleted" << file.absPath << endl;
}
}
else
{
Logger::error() << "Failed to delete:" << file.absPath << ", exiting." << endl;
return 1;
}
if(verbose)
{
Utils::info() << "Deleted " << path << endl;
}
}
else
{
Utils::info() << "Would delete " << path << endl;
}
}
else
{
Logger::info() << "Would delete " << file.absPath << endl;
}
}
offset += limit;
processedRows = this->dbService->getFiles(files, pattern, 0, limit);
}
return 0;
}
int CommandDelete::removePaths(const QStringList &paths, QSqlDatabase &db, bool verbose, bool dryRun)
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(fileExistsInDatabase(db, absPath))
if(this->dbService->fileExistsInDatabase(absPath))
{
if(!dryRun)
{
QSqlQuery deletionQuery("DELETE FROM file WHERE path = ?", db);
deletionQuery.addBindValue(absPath);
if(deletionQuery.exec())
if(this->dbService->deleteFile(absPath))
{
if(verbose)
{
Utils::info() << "Deleted" << absPath << endl;
Logger::info() << "Deleted" << absPath << endl;
}
}
else
{
Utils::error() << "Failed to delete:" << absPath << deletionQuery.lastError() << endl;
Logger::error() << "Failed to delete:" << absPath << endl;
result = 1;
}
}
}
else
{
Utils::error() << "No such file in database:" << absPath << endl;
Logger::error() << "No such file in database:" << absPath << endl;
result = 1;
}
}
return result;
}
int CommandDelete::handle(QStringList arguments)
{
QCommandLineParser parser;
@ -114,12 +99,10 @@ int CommandDelete::handle(QStringList arguments)
bool verbose = parser.isSet("verbose");
bool dryRun = parser.isSet("dry-run");
QString pattern = parser.value("pattern");
QSqlDatabase db = dbConnection();
if(parser.isSet("deleted"))
{
int result = removeNonExistent(db, verbose, dryRun, pattern);
int result = removeNonExistent(verbose, dryRun, pattern);
if(result != 0)
{
return result;
@ -127,10 +110,13 @@ int CommandDelete::handle(QStringList arguments)
}
QStringList files = parser.positionalArguments();
int result = removePaths(files, db, verbose, dryRun);
if(result != 0)
if(files.length() > 0)
{
return result;
int result = removePaths(files, verbose, dryRun);
if(result != 0)
{
return result;
}
}
return 0;

4
cli/commanddelete.h
View File

@ -10,8 +10,8 @@ class CommandDelete : public Command
int handle(QStringList arguments) override;
private:
int removeNonExistent(QSqlDatabase &db, bool verbose, bool dryRun, QString pattern);
int removePaths(const QStringList &paths, QSqlDatabase &db, bool verbose, bool dryRun);
int removeNonExistent(bool verbose, bool dryRun, QString pattern);
int removePaths(const QStringList &paths, bool verbose, bool dryRun);
};
#endif // COMMANDDELETE_H