Reduce code duplication

Signed-off-by: DL6ER <dl6er@dl6er.de>

api_db.php

@@ -8,6 +8,7 @@
 
 $api = true;
 header('Content-type: application/json');
+require("scripts/pi-hole/php/database.php");
 require("scripts/pi-hole/php/password.php");
 require("scripts/pi-hole/php/auth.php");
 check_cors();
@@ -62,37 +63,7 @@ else
 // Needs package php5-sqlite, e.g.
 //    sudo apt-get install php5-sqlite
 
-function SQLite3_connect($trytoreconnect)
-{
-	global $DBFILE;
-	try
-	{
-		// connect to database
-		return new SQLite3($DBFILE, SQLITE3_OPEN_READONLY);
-	}
-	catch (Exception $exception)
-	{
-		// sqlite3 throws an exception when it is unable to connect, try to reconnect after 3 seconds
-		if($trytoreconnect)
-		{
-			sleep(3);
-			$db = SQLite3_connect(false);
-		}
-	}
-}
-
-if(strlen($DBFILE) > 0)
-{
-	$db = SQLite3_connect(true);
-}
-else
-{
-	die("No database available");
-}
-if(!$db)
-{
-	die("Error connecting to database");
-}
+$db = SQLite3_connect($DBFILE);
 
 if(isset($_GET["network"]) && $auth)
 {