beta version code

Author: arshc0der

.gitignore

@@ -31,6 +31,7 @@ Makefile*
 *build-*
 *.qm
 *.prl
+/build
 
 # Qt unit tests
 target_wrapper.*

DatabaseManager.h

@@ -0,0 +1,54 @@
+#ifndef DATABASEMANAGER_H
+#define DATABASEMANAGER_H
+
+#include <QSqlDatabase>
+#include <QSqlError>
+#include <QDebug>
+#include <QCoreApplication>
+#include <QStandardPaths>
+#include <QDebug>
+
+class DatabaseManager {
+public:
+    // Public method to get the singleton instance
+    static DatabaseManager& instance() {
+        static DatabaseManager instance;
+        return instance;
+    }
+
+    // Method to get the database connection
+    QSqlDatabase getDatabase() const {
+        return db;
+    }
+
+    // Method to close the database connection
+    void closeConnection() {
+        if (db.isOpen()) {
+            db.close();
+        }
+    }
+
+private:
+    QSqlDatabase db;
+
+    // Private constructor for singleton pattern
+    DatabaseManager() {
+        db = QSqlDatabase::addDatabase("QSQLITE");
+        //For Release
+        db.setDatabaseName(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)+"/i_m_s.db");
+        //For Debug
+        //db.setDatabaseName("C:/Users/arshm/OneDrive/Desktop/Git_Projects/IMS/i_m_s.db");
+
+        if (!db.open()) {
+            qDebug() << "Error opening database: " << db.lastError().text();
+        } else {
+            qDebug() << "Database connected successfully!";
+        }
+    }
+
+    // Delete copy constructor and assignment operator
+    DatabaseManager(const DatabaseManager&) = delete;
+    DatabaseManager& operator=(const DatabaseManager&) = delete;
+};
+
+#endif // DATABASEMANAGER_H