Adds DatabaseConnector core class

app/core/DatabaseConnector.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Core;
+
+use Exception;
+use Feedback;
+
+class DatabaseConnector
+{
+    /**
+     * Connect to the database using given configuration and handle errors.
+     *
+     * @param array $config
+     * @return mixed Database connection
+     */
+    public static function connect(array $config)
+    {
+        // Load DB classes
+        require_once __DIR__ . '/../classes/database.php';
+        require_once __DIR__ . '/../includes/database.php';
+
+        try {
+            $db = connectDB($config);
+            if (!$db) {
+                throw new Exception('Could not connect to database');
+            }
+            return $db;
+        } catch (Exception $e) {
+            // Show error and exit
+            Feedback::flash('ERROR', 'DEFAULT', getError('Error connecting to the database.', $e->getMessage()));
+            include __DIR__ . '/../templates/page-header.php';
+            include __DIR__ . '/../helpers/feedback.php';
+            include __DIR__ . '/../templates/page-footer.php';
+            exit();
+        }
+    }
+}