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CommandDelete: refactor: split handle to several methods

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This commit is contained in:
Albert S. 2019-04-09 22:03:04 +02:00
parent 4fc8a7e37b
commit 6da823d7f3
2 changed files with 82 additions and 60 deletions
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139
cli/commanddelete.cpp
View File

@ -6,90 +6,68 @@
#include <QSqlError>
#include "commanddelete.h"
int CommandDelete::handle(QStringList arguments)
int CommandDelete::removeNonExistent(QSqlDatabase &db, bool verbose, bool dryRun, QString pattern)
{
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/*. Only applies to --deleted or standalone.", "pattern" },
{ "deleted", "Delete all files from the index that don't exist anymore" }
});
parser.addHelpOption();
parser.addPositionalArgument("delete", "Delete paths from the index", "delete [paths...]");
parser.process(arguments);
bool removeNonExistant = parser.isSet("deleted");
bool verbose = parser.isSet("verbose");
bool dryRun = parser.isSet("dry-run");
QString pattern = parser.value("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);
// QRegularExpression regexPattern = QRegularExpression::wildcardToRegularExpression(pattern
bool usePattern = ! pattern.isEmpty();
QRegExp regexPattern(pattern);
regexPattern.setPatternSyntax(QRegExp::PatternSyntax::WildcardUnix);
QSqlDatabase db = dbConnection();
if(removeNonExistant)
//TODO: try to translate pattern to SQL WHERE statement
QSqlQuery pathsQuery("SELECT path FROM file", db);
if(!pathsQuery.exec())
{
//TODO: try to translate pattern to SQL WHERE statement
QSqlQuery pathsQuery("SELECT path FROM file", db);
if(!pathsQuery.exec())
qDebug() << "Failed to query current paths";
return 1;
}
while(pathsQuery.next())
{
QString path = pathsQuery.value(0).toString();
bool removeFile = true;
if(usePattern)
{
qDebug() << "Failed to query current paths";
return 1;
removeFile = regexPattern.exactMatch(path);
}
while(pathsQuery.next())
if(removeFile)
{
QString path = pathsQuery.value(0).toString();
bool removeFile = true;
if(usePattern)
QFile file(path);
if(!file.exists())
{
removeFile = regexPattern.exactMatch(path);
}
if(removeFile)
{
QFile file(path);
if(!file.exists())
if(!dryRun)
{
if(!dryRun)
QSqlQuery query("DELETE FROM file WHERE path = ?", db);
query.addBindValue(path);
if(!query.exec())
{
QSqlQuery query("DELETE FROM file WHERE path = ?", db);
query.addBindValue(path);
if(!query.exec())
{
qDebug() << "Failed to delete " << path << query.lastError();
return 1;
}
if(verbose)
{
qInfo() << "Deleted " << path;
}
qDebug() << "Failed to delete " << path << query.lastError();
return 1;
}
else
if(verbose)
{
qInfo() << "Would delete " << path;
qInfo() << "Deleted " << path;
}
}
else
{
qInfo() << "Would delete " << path;
}
}
}
}
}
QStringList files = parser.positionalArguments();
for(QString &file : files)
int CommandDelete::removePaths(const QStringList &paths, QSqlDatabase &db, bool verbose, bool dryRun)
{
int result = 0;
for(const QString &file : paths)
{
QFileInfo fileInfo(file);
QString absPath = fileInfo.absoluteFilePath();
@ -109,6 +87,7 @@ int CommandDelete::handle(QStringList arguments)
else
{
qDebug() << "Failed to delete:" << absPath << deletionQuery.lastError();
result = 1;
}
}
@ -116,9 +95,49 @@ int CommandDelete::handle(QStringList arguments)
else
{
qInfo() << "No such file in database:" << absPath;
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/*. Only applies to --deleted or standalone.", "pattern" },
{ "deleted", "Delete all files from the index that don't exist anymore" }
});
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");
QString pattern = parser.value("pattern");
QSqlDatabase db = dbConnection();
if(parser.isSet("deleted"))
{
int result = removeNonExistent(db, verbose, dryRun, pattern);
if(result != 0)
{
return result;
}
}
QStringList files = parser.positionalArguments();
int result = removePaths(files,db, verbose, dryRun);
if(result != 0)
{
return result;
}
return 0;
}

3
cli/commanddelete.h
View File

@ -8,6 +8,9 @@ public:
using Command::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);
};
#endif // COMMANDDELETE_H