DB-Support, add user functionality

1 files changed, 54 insertions, 0 deletions

diff --git a/inc/db.inc.php b/inc/db.inc.php
new file mode 100644
index 00000000..09341a07
--- /dev/null
+++ b/inc/db.inc.php
@@ -0,0 +1,54 @@
+<?php
+
+class Database
+{
+	private static $dbh = false;
+	private static $statements = array();
+
+	public static function init()
+	{
+		if (self::$dbh !== false) return;
+		try {
+			self::$dbh = new PDO(CONFIG_SQL_DSN, CONFIG_SQL_USER, CONFIG_SQL_PASS, array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8"));
+		} catch (PDOException $e) {
+			Util::traceError('Connecting to the local database failed: ' . $e->getMessage());
+		}
+	}
+
+	public static function queryFirst($query, $args = array())
+	{
+		$res = self::simpleQuery($query, $args);
+		if ($res === false) return false;
+		return $res->fetch(PDO::FETCH_ASSOC);
+	}
+
+	public static function exec($query, $args = array())
+	{
+		$res = self::simpleQuery($query, $args);
+		if ($res === false) return false;
+		return $res->rowCount();
+	}
+
+	public static function simpleQuery($query, $args = array())
+	{
+		self::init();
+		//if (empty($args)) Util::traceError('Query with zero arguments!');
+		if (!isset(self::$statements[$query])) {
+			self::$statements[$query] = self::$dbh->prepare($query);
+		} else {
+			self::$statements[$query]->closeCursor();
+		}
+		if (self::$statements[$query]->execute($args) === false) {
+			Util::traceError("Database Error: \n" . implode("\n", self::$statements[$query]->errorInfo()));
+		}
+		return self::$statements[$query];
+	}
+
+	public static function prepare($query)
+	{
+		self:init();
+		return self::$dbh->prepare($query);
+	}
+
+}
+