Initial commit

Lts/Tools/DBAdministration/exercise_table_generator.h

@@ -0,0 +1,91 @@
+/**
+  * EXM Database Administartion (Create Schema/Tables/Views etc)
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Hanna E. Rathje, SLSE, 2015-09-15
+  */
+#pragma once
+
+#include <QElapsedTimer>
+#include <QString>
+#include <QStringList>
+#include <QMap>
+#include <QSqlDatabase>
+
+#include <CodeGen/SqlGenerator.h>
+#include <NGLLogger/INGLLogger.h>
+
+namespace CodeGen
+{
+  class SqlGenerator;
+}
+
+namespace DBAdministration
+{
+
+class ExerciseTableGenerator : public QObject
+{
+  Q_OBJECT
+  public:
+    explicit ExerciseTableGenerator(NGL::INGLLogger &logger, const QString &xmlPath, QObject *parent = nullptr);
+    virtual ~ExerciseTableGenerator();
+
+    bool init(const QSqlDatabase &database, const QString &ownSchemaName, bool createOwnSchema = false);
+    void close();
+    QStringList getAvailableServices() const { return m_sqlGeneratorMap.keys(); }
+    bool isServiceGlobal(const QString &svcAbbr) const;
+
+    // Write sql-stmt for a service into a file
+    bool writeServiceSqlToFile(const QString &svcName, const QString &dbSchema);
+    bool executeSql(const QString &svcName, const QString &dbSchema, QStringList &handledServices, const CodeGen::ExerciseDependency &ed);
+    bool executeSql(const QString &svcName, const QString &dbSchema, const QString &dbUser, QStringList &handledServices, const CodeGen::ExerciseDependency &ed);
+
+    // TODO: better naming
+    bool executeSqlTableRelated(const QString &svcName, const QString &dbSchema, const QString &dbUser);
+
+    bool existsSchema(const QString &dbSchema, const QSqlDatabase &dbConn) const;
+    //bool createDbSchemaIfNotExists(const QString &dbSchema) const;
+    bool createDbSchemaIfNotExists(const QString &dbSchema, QString dbUser) const;
+    bool dropDbSchema(const QString &dbSchema, const QString &dbUser) const;
+
+    bool existsTable(const QString &tableName, const QString &dbSchema) const;
+
+    bool insertTableData(const QString &table, const QString &dbSchema, const CodeGen::SqlGenerator *sqlGen );
+    bool executeSql();
+
+    // Methods for a specific exercise
+    bool writeExerciseServicesSql(qint32 exerciseId);
+    bool executeSql(qint32 exerciseId);
+    bool createExerciseSchema(qint32 exerciseId);
+    bool dropExerciseSchema(qint32 exerciseId, bool bDropUser);
+    QStringList getAvailableExerciseServices() const;
+    QStringList getAvailableGlobalServices() const;
+
+    bool resetSearchPath() const;
+    bool schemaIsEmpty(const QString &dbSchema) const;
+
+  Q_SIGNALS:
+    void aliveSignal();
+  protected:
+
+    void generateSqlDataForExercise(int exerciseId);
+    bool executeStmts(const QStringList &stmts);
+    bool executsSqlConstraints(const QStringList &constraintList,
+                               const QStringList &sqlStmts,
+                               const QString &dbSchema);
+
+    void checkAliveTimer();
+
+  private:
+    // QMap<svcAbbr,Pointer SqlGenerator>
+    QMap<QString,CodeGen::SqlGenerator*> m_sqlGeneratorMap;
+    QString                              m_xmlPath;
+    QString                              m_ownSchemaName;
+    QSqlDatabase                         m_database;
+    QElapsedTimer                        m_emitAliveTimer;
+
+    NGL::INGLLogger &m_logger;
+};
+
+} // namespace DBAdministration