Database class added

src/core/CMakeLists.txt

@@ -1,13 +1,17 @@
 
 
 find_package(Boost 1.62 REQUIRED)
+find_package(SQLite3 REQUIRED)
 
 set(CORE_HEADERS
     entity.h
+    database.h
 )
 set(CORE_SOURCES
     entity.cpp
+    database.cpp
 )
 
 add_library(core STATIC ${CORE_SOURCES})
-target_link_libraries(core Boost::boost)
+target_link_libraries(core Boost::boost)
+target_link_libraries(core sqlite3)

src/core/database.cpp

@@ -0,0 +1,24 @@
+#include "database.h"
+
+#include <stdexcept>
+
+Database::Database(const std::string& dbname) : db(nullptr)
+{
+    const int errCode = sqlite3_open(dbname.c_str(), &db);
+    if(errCode) {
+        throw std::runtime_error("Could not open database file.");
+    }
+}
+
+Database::~Database() 
+{
+    sqlite3_close(db);
+}
+
+void Database::exec(const std::string& sql)
+{
+    const int errCode = sqlite3_exec(db, sql.c_str(), nullptr, nullptr, nullptr);
+    if(errCode) {
+        throw std::runtime_error("Error in SQL execution.");
+    }
+}

src/core/database.h

@@ -0,0 +1,20 @@
+#ifndef DATABASE_H
+#define DATABASE_H
+
+#include <string>
+
+#include <sqlite3.h>
+
+class Database
+{
+public:
+    Database(const std::string& dbname);
+    ~Database();
+    Database(const Database&) = delete;
+    Database& operator=(const Database&) = delete;
+    void exec(const std::string& sql);
+private:
+    sqlite3 *db;
+};
+
+#endif // DATABASE_H