First release of 2.0! :D

src/private/php/Utils/DatabaseUtils.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Wruczek\TSWebsite\Utils;
+use Medoo\Medoo;
+use Wruczek\TSWebsite\Config;
+
+/**
+ * Class DatabaseUtils
+ * @package Wruczek\TSWebsite\Utils
+ * @author Wruczek 2017
+ */
+class DatabaseUtils {
+
+    use SingletonTait;
+
+    protected $configUtils;
+    protected $db;
+
+    private function __construct() {
+        $this->configUtils = Config::i();
+    }
+
+    /**
+     * Returns database object created with data from
+     * database config. Stores connection for reuse.
+     * @return \Medoo\Medoo database object
+     */
+    public function getDb() {
+        if($this->db === null) {
+            try {
+                $db = new Medoo($this->configUtils->getDatabaseConfig());
+            } catch (\Exception $e) {
+                TemplateUtils::i()->renderErrorTemplate("DB error", "Connection to database failed", $e->getMessage());
+                exit;
+            }
+
+            $this->db = $db;
+        }
+
+        return $this->db;
+    }
+
+    /**
+     * Returns true if MysqliDb has been ever initialised. Useful
+     * for checking if there was a database connection attempt.
+     * @return bool
+     */
+    public function isInitialised() {
+        return !empty($this->db);
+    }
+}