New branch for integrating dbconnector into other applications without the testing suite.

connectionManager.js

@@ -0,0 +1,59 @@
+// /services/dbconnector/connectionManager.js
+
+require('dotenv').config();
+const sql = require('mssql');
+const mysql = require('mysql2/promise');
+
+/**
+ * Gets a connection based on the configured database type.
+ *
+ * @returns {Promise<Object>} A promise that resolves with the database connection.
+ */
+async function getConnection() {
+    const dbType = process.env.DB_TYPE;
+    const config = getDBConfig(dbType);
+
+    switch (dbType) {
+        case 'MSSQL':
+            return await sql.connect(config);
+        case 'MARIADB':
+            return await mysql.createConnection(config);
+        default:
+            throw new Error('Unsupported database type');
+    }
+}
+
+/**
+ * Fetches the configuration for a specified database type from environment variables.
+ *
+ * @param {string} dbType - Type of database (e.g., 'MSSQL', 'ORACLE').
+ * @returns {Object} The database configuration object.
+ */
+function getDBConfig(dbType) {
+    switch (dbType) {
+        case 'MSSQL':
+            return {
+                user: process.env.DB_USER,
+                password: process.env.DB_PASSWORD,
+                server: process.env.DB_SERVER,
+                database: process.env.DB_DATABASE,
+                options: {
+                    encrypt: true, // for secure connection
+                    trustServerCertificate: true
+                }
+            };
+        case 'MARIADB':
+            return {
+                host: process.env.DB_SERVER,
+                port: parseInt(process.env.DB_PORT, 10) || 3006,
+                user: process.env.DB_USER,
+                password: process.env.DB_PASSWORD,
+                database: process.env.DB_DATABASE,
+                namedPlaceholders: true
+            };
+        default:
+            throw new Error('Unsupported database type');
+    }
+}
+
+module.exports = { getConnection };