[*] BO : categories multishop improved

install-new/upgrade/php/generate_root_category_for_multishop.php

@@ -0,0 +1,44 @@
+<?php
+
+function generate_root_category_for_multishop()
+{
+	Db::getInstance()->execute('
+		UPDATE `'._DB_PREFIX_.'category` SET `level_depth`=`level_depth`+1
+	');
+
+	Db::getInstance()->execute('
+		INSERT INTO `'._DB_PREFIX_.'category` (`id_parent`, `level_depth`, `active`, `date_add`, `date_upd`, `is_root_category`) VALUES
+		(0, 0, 1, NOW(), NOW(), 0)
+	');
+	$id = Db::getInstance()->Insert_ID();
+
+	$langs = Db::getInstance()->executeS('
+		SELECT `id_lang`
+		FROM `'._DB_PREFIX_.'lang`
+	');
+
+	$shops = Db::getInstance()->executeS('
+		SELECT `id_shop`
+		FROM `'._DB_PREFIX_.'shop`
+	');
+
+	$data = array();
+	foreach ($langs as $lang)
+		foreach ($shops as $shop)
+			$data[] = array(
+				'id_lang' => $lang['id_lang'],
+				'id_shop' => $shop['id_shop'],
+				'id_category' => $id,
+				'name' => 'Root',
+				'link_rewrite' => '',
+			);
+	Db::getInstance()->autoExecute(_DB_PREFIX_.'category_lang', $data, 'INSERT');
+
+	Db::getInstance()->execute('
+		UPDATE `'._DB_PREFIX_.'category`
+		SET `id_parent` = '.(int)$id.'
+		WHERE `id_parent` = 0 AND `id_category` <> '.(int)$id.'
+	');
+
+	Category::regenerateEntireNtree();
+}