This is 1.0

Grocy.php

@@ -0,0 +1,63 @@
+<?php
+
+class Grocy
+{
+	private static $DbConnectionRaw;
+	/**
+	 * @return PDO
+	 */
+	public static function GetDbConnectionRaw()
+	{
+		if (self::$DbConnectionRaw == null)
+		{
+			$newDb = !file_exists(__DIR__ . '/data/grocy.db');
+			$pdo = new PDO('sqlite:' . __DIR__ . '/data/grocy.db');
+			$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+
+			if ($newDb)
+			{
+				$pdo->exec("CREATE TABLE migrations (migration INTEGER NOT NULL UNIQUE, execution_time_timestamp DATETIME DEFAULT (datetime('now', 'localtime')), PRIMARY KEY(migration)) WITHOUT ROWID");
+				GrocyDbMigrator::MigrateDb($pdo);
+
+				if (self::IsDemoInstallation())
+				{
+					GrocyDemoDataGenerator::PopulateDemoData($pdo);
+				}
+			}
+
+			self::$DbConnectionRaw = $pdo;
+		}
+
+		return self::$DbConnectionRaw;
+	}
+
+	private static $DbConnection;
+	/**
+	 * @return LessQL\Database
+	 */
+	public static function GetDbConnection()
+	{
+		if (self::$DbConnection == null)
+		{
+			self::$DbConnection = new LessQL\Database(self::GetDbConnectionRaw());
+		}
+
+		return self::$DbConnection;
+	}
+
+	public static function IsDemoInstallation()
+	{
+		return file_exists(__DIR__ . '/data/demo.txt');
+	}
+
+	private static $InstalledVersion;
+	public static function GetInstalledVersion()
+	{
+		if (self::$InstalledVersion == null)
+		{
+			self::$InstalledVersion = file_get_contents(__DIR__ . '/version.txt');
+		}
+
+		return self::$InstalledVersion;
+	}
+}