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shared: sqlitedbservice: Add setTags(),getTagsForPath(),getTags()

This commit is contained in:
Albert S. 2023-04-10 18:25:49 +02:00
parent f324da0369
commit d2dcc2f95b
2 changed files with 99 additions and 1 deletions
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92
shared/sqlitedbservice.cpp
View File

@ -104,6 +104,96 @@ unsigned int SqliteDbService::getFiles(QVector<FileData> &results, QString wildC
return processedRows;
}
QVector<QString> SqliteDbService::getTags()
{
QVector<QString> result;
auto query = QSqlQuery(dbFactory->forCurrentThread());
query.prepare("SELECT name FROM tag ORDER by name ASC");
query.setForwardOnly(true);
if(!query.exec())
{
throw LooqsGeneralException("Error while trying to retrieve tags from database: " + query.lastError().text());
}
while(query.next())
{
QString tagname = query.value(0).toString();
result.append(tagname);
}
return result;
}
QVector<QString> SqliteDbService::getTagsForPath(QString path)
{
QVector<QString> result;
auto query = QSqlQuery(dbFactory->forCurrentThread());
query.prepare("SELECT name FROM tag INNER JOIN filetag ON tag.id = filetag.tagid INNER JOIN file ON filetag.fileid "
"= file.id WHERE file.path = ? ORDER BY name ASC");
query.addBindValue(path);
query.setForwardOnly(true);
if(!query.exec())
{
throw LooqsGeneralException("Error while trying to retrieve tags from database: " + query.lastError().text());
}
while(query.next())
{
QString tagname = query.value(0).toString();
result.append(tagname);
}
return result;
}
bool SqliteDbService::setTags(QString path, const QSet<QString> &tags)
{
QSqlDatabase db = dbFactory->forCurrentThread();
if(!db.transaction())
{
Logger::error() << "Failed to open transaction for " << path << " : " << db.lastError() << Qt::endl;
return false;
}
QSqlQuery deletionQuery = QSqlQuery(db);
deletionQuery.prepare("DELETE FROM filetag WHERE fileid = (SELECT id FROM file WHERE path = ?)");
deletionQuery.addBindValue(path);
if(!deletionQuery.exec())
{
db.rollback();
Logger::error() << "Failed to delete existing tags " << deletionQuery.lastError() << Qt::endl;
return false;
}
for(const QString &tag : tags)
{
QSqlQuery tagQuery = QSqlQuery(db);
tagQuery.prepare("INSERT OR IGNORE INTO tag (name) VALUES(?)");
tagQuery.addBindValue(tag.toLower());
if(!tagQuery.exec())
{
db.rollback();
Logger::error() << "Failed to insert tag " << tagQuery.lastError() << Qt::endl;
return false;
}
QSqlQuery fileTagQuery(db);
fileTagQuery.prepare(
"INSERT INTO filetag(fileid, tagid) VALUES((SELECT id FROM file WHERE path = ?), (SELECT id "
"FROM tag WHERE name = ?))");
fileTagQuery.bindValue(0, path);
fileTagQuery.bindValue(1, tag);
if(!fileTagQuery.exec())
{
db.rollback();
Logger::error() << "Failed to assign tag to file" << Qt::endl;
return false;
}
}
if(!db.commit())
{
db.rollback();
Logger::error() << "Failed to commit transaction when saving tags" << Qt::endl;
return false;
}
return true;
}
bool SqliteDbService::insertToFTS(bool useTrigrams, QSqlDatabase &db, int fileid, QVector<PageData> &pageData)
{
QString ftsInsertStatement;
@ -248,6 +338,8 @@ bool SqliteDbService::addTag(QString tag, const QVector<QString> &paths)
QSqlQuery tagQuery(db);
QSqlQuery fileTagQuery(db);
tag = tag.toLower();
tagQuery.prepare("INSERT OR IGNORE INTO tag (name) VALUES(?)");
tagQuery.addBindValue(tag);

8
shared/sqlitedbservice.h
View File

@ -23,13 +23,19 @@ class SqliteDbService
public:
SqliteDbService(DatabaseFactory &dbFactory);
SaveFileResult saveFile(QFileInfo fileInfo, QVector<PageData> &pageData, bool pathsOnly);
unsigned int getFiles(QVector<FileData> &results, QString wildCardPattern, int offset, int limit);
bool deleteFile(QString path);
bool fileExistsInDatabase(QString path);
bool fileExistsInDatabase(QString path, qint64 mtime);
bool fileExistsInDatabase(QString path, qint64 mtime, QChar filetype);
unsigned int getFiles(QVector<FileData> &results, QString wildCardPattern, int offset, int limit);
bool addTag(QString tag, QString path);
bool addTag(QString tag, const QVector<QString> &paths);
QVector<QString> getTags();
QVector<QString> getTagsForPath(QString path);
bool setTags(QString path, const QSet<QString> &tags);
QVector<SearchResult> search(const LooqsQuery &query);
std::optional<QChar> queryFileType(QString absPath);