added connection configuration getters to DB/DM

Added getters for obtaining connection configuration.

 - original configurations from the DatabaseManager
 - and configurations from the DatabaseConnection

include/orm/databasemanager.hpp

@@ -291,6 +291,23 @@ namespace Query
         /*! Return the host name of the connected database. */
         const QString &hostName(const QString &connection = "");
 
+        /* Connection configuration - saved in the DatabaseManager */
+        /*! Get an original configuration for the given connection
+            (passed to the DB::create, original/unchanged). */
+        const QVariantHash &originalConfig(const QString &connection = "") const;
+        /*! Get an original configuration option value for the given connection
+            (passed to the DB::create, original/unchanged). */
+        QVariant originalConfigValue(const QString &option,
+                                     const QString &connection = "") const;
+
+        /* Connection configuration - proxies to the DatabaseConnection */
+        /*! Get the configuration for the current connection. */
+        const QVariantHash &getConfig(const QString &connection = "");
+        /*! Get an option value from the configuration options. */
+        QVariant getConfig(const QString &option, const QString &connection = "");
+        /*! Check whether the configuration contains the given option. */
+        bool hasConfig(const QString &option, const QString &connection = "");
+
         /* Pretending */
         /*! Execute the given callback in "dry run" mode. */
         QVector<Log>

include/orm/db.hpp

@@ -290,6 +290,22 @@ namespace Orm
         /*! Return the host name of the connected database. */
         static const QString &hostName(const QString &connection = "");
 
+        /* Connection configuration - saved in the DatabaseManager */
+        /*! Get the configuration for a connection. */
+        static const QVariantHash &originalConfig(const QString &connection = "");
+        /*! Get a configuration option value from the configuration for a connection. */
+        static QVariant originalConfigValue(const QString &option,
+                                            const QString &connection = "");
+
+        /* Connection configuration - proxies to the DatabaseConnection */
+        /*! Get the configuration for the current connection. */
+        static const QVariantHash &getConfig(const QString &connection = "");
+        /*! Get an option value from the configuration options. */
+        static QVariant getConfigValue(const QString &option,
+                                       const QString &connection = "");
+        /*! Check whether the configuration contains the given option. */
+        static bool hasConfigValue(const QString &option, const QString &connection = "");
+
         /* Pretending */
         /*! Execute the given callback in "dry run" mode. */
         static QVector<Log>

src/orm/databasemanager.cpp

@@ -759,6 +759,42 @@ DatabaseManager::hostName(const QString &connection)
     return this->connection(connection).getHostName();
 }
 
+/* Connection configuration - saved in the DatabaseManager */
+
+QVariant
+DatabaseManager::originalConfigValue(const QString &option,
+                                     const QString &connection) const
+{
+    return originalConfig(connection).value(option);
+}
+
+const QVariantHash &
+DatabaseManager::originalConfig(const QString &connection) const
+{
+    const auto &connectionName = parseConnectionName(connection);
+
+    throwIfNoConfiguration(connectionName);
+
+    return (*m_configuration).at(connectionName);
+}
+
+/* Connection configuration - proxies to the DatabaseConnection */
+
+QVariant DatabaseManager::getConfig(const QString &option, const QString &connection)
+{
+    return this->connection(connection).getConfig(option);
+}
+
+const QVariantHash &DatabaseManager::getConfig(const QString &connection)
+{
+    return this->connection(connection).getConfig();
+}
+
+bool DatabaseManager::hasConfig(const QString &option, const QString &connection)
+{
+    return this->connection(connection).hasConfig(option);
+}
+
 /* Pretending */
 
 QVector<Log>

src/orm/db.cpp

@@ -507,6 +507,43 @@ const QString &DB::hostName(const QString &connection)
     return manager().connection(connection).getHostName();
 }
 
+/* Connection configuration - saved in the DatabaseManager */
+
+/* Difference between a connection config. saved in the DatabaseManager and
+   DatabaseConnection can differ in some cases. A configuration saved
+   in the DatabaseConnection is already processed by the ConnectionFactory and Connector.
+   Eg. the host config. option can differ because a user can pass a QStringList of hosts,
+   so in the DM will be this QStringList, but in the DatabaseConnection will be only
+   the QString, a hostname to which the connection was successful. */
+
+const QVariantHash &DB::originalConfig(const QString &connection)
+{
+    return manager().originalConfig(connection);
+}
+
+QVariant
+DB::originalConfigValue(const QString &option, const QString &connection)
+{
+    return manager().originalConfigValue(option, connection);
+}
+
+/* Connection configuration - proxies to the DatabaseConnection */
+
+const QVariantHash &DB::getConfig(const QString &connection)
+{
+    return manager().connection(connection).getConfig();
+}
+
+QVariant DB::getConfigValue(const QString &option, const QString &connection)
+{
+    return manager().connection(connection).getConfig(option);
+}
+
+bool DB::hasConfigValue(const QString &option, const QString &connection)
+{
+    return manager().connection(connection).hasConfig(option);
+}
+
 /* Pretending */
 
 QVector<Log>