shared: SqliteDbService: Add queryFileType()

shared/sqlitedbservice.cpp

@@ -29,6 +29,22 @@ QVector<SearchResult> SqliteDbService::search(const LooqsQuery &query)
 	return searcher.search(query);
 }
 
+std::optional<QChar> SqliteDbService::queryFileType(QString absPath)
+{
+	auto query = QSqlQuery(dbFactory->forCurrentThread());
+	query.prepare("SELECT filetype FROM file WHERE path = ?");
+	query.addBindValue(absPath);
+	if(!query.exec())
+	{
+		throw LooqsGeneralException("Error while trying to query for file type: " + query.lastError().text());
+	}
+	if(!query.next())
+	{
+		return {};
+	}
+	return query.value(0).toChar();
+}
+
 bool SqliteDbService::fileExistsInDatabase(QString path)
 {
 	auto query = QSqlQuery(dbFactory->forCurrentThread());

shared/sqlitedbservice.h

@@ -1,6 +1,8 @@
 #ifndef SQLITEDBSERVICE_H
 #define SQLITEDBSERVICE_H
 #include <QFileInfo>
+#include <optional>
+
 #include "databasefactory.h"
 #include "utils.h"
 #include "pagedata.h"
@@ -23,6 +25,8 @@ class SqliteDbService
 	bool fileExistsInDatabase(QString path);
 	bool fileExistsInDatabase(QString path, qint64 mtime);
 	QVector<SearchResult> search(const LooqsQuery &query);
+
+	std::optional<QChar> queryFileType(QString absPath);
 };
 
 #endif // SQLITEDBSERVICE_H