From 45860b24948d71bc96084d15fe9814f258228028 Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Sun, 14 Oct 2018 20:04:25 +0200
Subject: [PATCH] Work on multilang

---
 htdocs/core/lib/website.lib.php        |  6 ++--
 htdocs/core/website.inc.php            | 47 +++++++++++++++++---------
 htdocs/website/class/website.class.php | 18 +++++++++-
 3 files changed, 51 insertions(+), 20 deletions(-)

diff --git a/htdocs/core/lib/website.lib.php b/htdocs/core/lib/website.lib.php
index 9f848fb68ee..ab0cbbdbdfb 100644
--- a/htdocs/core/lib/website.lib.php
+++ b/htdocs/core/lib/website.lib.php
@@ -307,7 +307,7 @@ function includeContainer($containerref)
 {
 	global $conf, $db, $hookmanager, $langs, $mysoc, $user, $website, $weblangs;	// Very important. Required to have var available when running inluded containers.
 	global $includehtmlcontentopened;
-	global $websitekey;
+	global $websitekey, $websitepagefile;
 
 	$MAXLEVEL=20;
 
@@ -607,7 +607,7 @@ function dolSavePageContent($filetpl, $object, $objectpage)
 
 	$tplcontent ='';
 	$tplcontent.= "<?php // BEGIN PHP\n";
-	$tplcontent.= '$websitekey=basename(dirname(__FILE__));'."\n";
+	$tplcontent.= '$websitekey=basename(dirname(__FILE__)); $websitepagefile=__FILE__;'."\n";
 	$tplcontent.= "if (! defined('USEDOLIBARRSERVER') && ! defined('USEDOLIBARREDITOR')) { require_once './master.inc.php'; } // Not already loaded"."\n";
 	$tplcontent.= "require_once DOL_DOCUMENT_ROOT.'/core/lib/website.lib.php';\n";
 	$tplcontent.= "require_once DOL_DOCUMENT_ROOT.'/core/website.inc.php';\n";
@@ -672,7 +672,7 @@ function dolSaveIndexPage($pathofwebsite, $fileindex, $filetpl, $filewrapper)
 	dol_delete_file($fileindex);
 	$indexcontent = '<?php'."\n";
 	$indexcontent.= "// BEGIN PHP File generated to provide an index.php as Home Page or alias redirector - DO NOT MODIFY - It is just a generated wrapper.\n";
-	$indexcontent.= '$websitekey=basename(dirname(__FILE__));'."\n";
+	$indexcontent.= '$websitekey=basename(dirname(__FILE__)); $websitepagefile=__FILE__;'."\n";
 	$indexcontent.= "if (! defined('USEDOLIBARRSERVER') && ! defined('USEDOLIBARREDITOR')) { require_once './master.inc.php'; } // Load master if not already loaded\n";
 	$indexcontent.= 'if (! empty($_GET[\'pageref\']) || ! empty($_GET[\'pagealiasalt\']) || ! empty($_GET[\'pageid\'])) {'."\n";
 	$indexcontent.= "	require_once DOL_DOCUMENT_ROOT.'/core/lib/website.lib.php';\n";
diff --git a/htdocs/core/website.inc.php b/htdocs/core/website.inc.php
index 43c9116cea5..7ce4af6c9b2 100644
--- a/htdocs/core/website.inc.php
+++ b/htdocs/core/website.inc.php
@@ -33,33 +33,48 @@ if (! is_object($website))
 }
 if (! is_object($weblangs))
 {
-	$weblangs = dol_clone($langs);
+	$weblangs = dol_clone($langs);	// TODO Use an object lang from a language set into $website object instead of backoffice
 }
 
 // A lang was forced, so we change weblangs init
 if (GETPOST('l','aZ09')) $weblangs->setDefaultLang(GETPOST('l','aZ09'));
 // A lang was forced, so we check to find if we must make a redirect on translation page
-if (! defined('USEDOLIBARREDITOR'))
+if ($_SERVER['PHP_SELF'] != DOL_URL_ROOT.'/website/index.php')	// If we browsing page using Dolibarr server or a Native web server
 {
+	//print_r(get_defined_constants(true));exit;
 	if (GETPOST('l','aZ09'))
 	{
-		$sql ="SELECT wp.rowid, wp.lang, wp.pageurl, wp.fk_page";
-		$sql.=" FROM ".MAIN_DB_PREFIX."website_page as wp, ".MAIN_DB_PREFIX."website as w";
-		$sql.=" WHERE w.rowid = wp.fk_website AND w.ref = '".$db->escape($websitekey)."' AND fk_page = '".$db->escape($pageid)."' AND lang = '".$db->escape(GETPOST('l','aZ09'))."'";
-		$resql = $db->query($sql);
-		if ($resql)
+		if (! $pageid && ! empty($websitepagefile))
 		{
-			$obj = $db->fetch_object($resql);
-			if ($obj)
+			$pageid = str_replace(array('.tpl.php', 'page'), array('', ''), basename($websitepagefile));
+		}
+		if ($pageid > 0)
+		{
+			$sql ="SELECT wp.rowid, wp.lang, wp.pageurl, wp.fk_page";
+			$sql.=" FROM ".MAIN_DB_PREFIX."website_page as wp, ".MAIN_DB_PREFIX."website as w";
+			$sql.=" WHERE w.rowid = wp.fk_website AND w.ref = '".$db->escape($websitekey)."' AND wp.lang = '".$db->escape(GETPOST('l','aZ09'))."'";
+			$sql.=" AND wp.fk_page = ".$db->escape($pageid);
+			//var_dump($sql);exit;
+			$resql = $db->query($sql);
+			if ($resql)
 			{
-				//$pageid = $obj->rowid;
-				//$pageref = $obj->pageurl;
-				if (! defined('USEDOLIBARRSERVER')) {
-					// TODO Redirect
-				}
-				else
+				$obj = $db->fetch_object($resql);
+				if ($obj)
 				{
-					// TODO Redirect
+					$newpageid = $obj->rowid;
+					if ($newpageid != $pageid) 		// To avoid to make a redirect on same page (infinite loop)
+					{
+						if (defined('USEDOLIBARRSERVER')) {
+							header("Location: ".DOL_URL_ROOT.'/public/website/index.php?website='.$websitekey.'&pageid='.$newpageid.'.php&l='.GETPOST('l','aZ09'));
+							exit;
+						}
+						else
+						{
+							$newpageref = $obj->pageurl;
+							header("Location: ".$newpageref.'.php?l='.GETPOST('l','aZ09'));
+							exit;
+						}
+					}
 				}
 			}
 		}
diff --git a/htdocs/website/class/website.class.php b/htdocs/website/class/website.class.php
index 843304fbe45..658e35edcd9 100644
--- a/htdocs/website/class/website.class.php
+++ b/htdocs/website/class/website.class.php
@@ -1089,10 +1089,26 @@ class Website extends CommonObject
 	 */
 	public function componentSelectLang($languagecodes, $weblangs, $morecss='', $htmlname='')
 	{
+		global $websitepagefile;
+
 		if (! is_object($weblangs)) return 'ERROR componentSelectLang called with parameter $weblangs not defined';
 
-		$languagecodeselected = $weblangs->defaultlang;
+		$languagecodeselected= $weblangs->defaultlang;	// Becasue we must init with a value, but real value is the lang of main parent container
+		if (! empty($websitepagefile))
+		{
+			$pageid = str_replace(array('.tpl.php', 'page'), array('', ''), basename($websitepagefile));
+			if ($pageid > 0)
+			{
+				$tmppage=new WebsitePage($this->db);
+				$tmppage->fetch($pageid);
+
+				$languagecodeselected=$tmppage->lang;
+				$languagecodes[]=$tmppage->lang;	// We add language code of page into combo list
+			}
+		}
+
 		$weblangs->load('languages');
+		//var_dump($weblangs->defaultlang);
 
 		$url = $_SERVER["REQUEST_URI"];
 		$url = preg_replace('/(\?|&)l=([a-zA-Z_]*)/', '', $url);	// We remove param l from url