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Read-Only Configuration-Database support (#1046)

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This commit is contained in:
LordGrey
2020-11-01 19:47:30 +01:00
committed by GitHub
parent 85a55de28c
commit bb652ade36
35 changed files with 268 additions and 90 deletions
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31
libsrc/db/DBManager.cpp
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@@ -19,6 +19,7 @@ static QThreadStorage<QSqlDatabase> _databasePool;
DBManager::DBManager(QObject* parent)
: QObject(parent)
, _log(Logger::getInstance("DB"))
, _readonlyMode (false)
{
}
@@ -58,6 +59,11 @@ QSqlDatabase DBManager::getDB() const
bool DBManager::createRecord(const VectorPair& conditions, const QVariantMap& columns) const
{
if ( _readonlyMode )
{
return false;
}
if(recordExists(conditions))
{
// if there is no column data, return
@@ -144,6 +150,11 @@ bool DBManager::recordExists(const VectorPair& conditions) const
bool DBManager::updateRecord(const VectorPair& conditions, const QVariantMap& columns) const
{
if ( _readonlyMode )
{
return false;
}
QSqlDatabase idb = getDB();
QSqlQuery query(idb);
query.setForwardOnly(true);
@@ -276,6 +287,11 @@ bool DBManager::getRecords(QVector<QVariantMap>& results, const QStringList& tCo
bool DBManager::deleteRecord(const VectorPair& conditions) const
{
if ( _readonlyMode )
{
return false;
}
if(conditions.isEmpty())
{
Error(_log, "Oops, a deleteRecord() call wants to delete the entire table (%s)! Denied it", QSTRING_CSTR(_table));
@@ -311,6 +327,11 @@ bool DBManager::deleteRecord(const VectorPair& conditions) const
bool DBManager::createTable(QStringList& columns) const
{
if ( _readonlyMode )
{
return false;
}
if(columns.isEmpty())
{
Error(_log,"Empty tables aren't supported!");
@@ -353,6 +374,11 @@ bool DBManager::createTable(QStringList& columns) const
bool DBManager::createColumn(const QString& column) const
{
if ( _readonlyMode )
{
return false;
}
QSqlDatabase idb = getDB();
QSqlQuery query(idb);
if(!query.exec(QString("ALTER TABLE %1 ADD COLUMN %2").arg(_table,column)))
@@ -374,6 +400,11 @@ bool DBManager::tableExists(const QString& table) const
bool DBManager::deleteTable(const QString& table) const
{
if ( _readonlyMode )
{
return false;
}
if(tableExists(table))
{
QSqlDatabase idb = getDB();