From 1e8c4eac5f0a3cf5624df39c83b74941454f6d6b Mon Sep 17 00:00:00 2001
From: Martin Brodbeck <martin@brodbeck-online.de>
Date: Fri, 6 Jul 2018 13:30:23 +0200
Subject: [PATCH] Database class added

---
 src/core/CMakeLists.txt |  6 +++++-
 src/core/database.cpp   | 24 ++++++++++++++++++++++++
 src/core/database.h     | 20 ++++++++++++++++++++
 3 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 src/core/database.cpp
 create mode 100644 src/core/database.h

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 01edba3..421ab10 100644
--- a/src/core/CMakeLists.txt
+++ b/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)
\ No newline at end of file
+target_link_libraries(core Boost::boost)
+target_link_libraries(core sqlite3)
\ No newline at end of file
diff --git a/src/core/database.cpp b/src/core/database.cpp
new file mode 100644
index 0000000..b017565
--- /dev/null
+++ b/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.");
+    }
+}
\ No newline at end of file
diff --git a/src/core/database.h b/src/core/database.h
new file mode 100644
index 0000000..dcb2858
--- /dev/null
+++ b/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
\ No newline at end of file