<?php
/* ----------------------------------------------------------------------

   MyOOS [Shopsystem]
   https://www.oos-shop.de

   Copyright (c) 2003 - 2019 by the MyOOS Development Team.
   ----------------------------------------------------------------------
   Based on:

   File: categories.php,v 1.23 2002/11/12 14:09:30 dgw_
   ----------------------------------------------------------------------
   osCommerce, Open Source E-Commerce Solutions
   http://www.oscommerce.com

   Copyright (c) 2003 osCommerce
   ----------------------------------------------------------------------
   Released under the GNU General Public License
   ---------------------------------------------------------------------- */

/** ensure this file is being included by a parent file */
defined( 'OOS_VALID_MOD' ) OR die( 'Direct Access to this location is not allowed.' );

/**
 * Return the number of products in a category
 *
 * @param $category_id
 * @param $include_inactive
 * @return string
 */
function oos_count_products_in_category($category_id, $include_inactive = FALSE) {

    $products_count = 0;

    $dbconn =& oosDBGetConn();
    $oostable =& oosDBGetTables();

    $productstable = $oostable['products'];
    $products_to_categoriestable = $oostable['products_to_categories'];

    if ($include_inactive == TRUE) {
		$products = $dbconn->Execute("SELECT COUNT(*) AS total FROM $productstable p, $products_to_categoriestable p2c WHERE p.products_id = p2c.products_id AND p2c.categories_id = '" . intval($category_id) . "'");
    } else {
		$products = $dbconn->Execute("SELECT COUNT(*) AS total FROM $productstable p, $products_to_categoriestable p2c WHERE p.products_id = p2c.products_id AND p.products_setting = '2' AND p2c.categories_id = '" . intval($category_id) . "'");
    }
    $products_count += $products->fields['total'];

    $categoriestable = $oostable['categories'];
    $child_categories_result = $dbconn->Execute("SELECT categories_id FROM $categoriestable WHERE parent_id = '" . intval($category_id) . "'");
    if ($child_categories_result->RecordCount()) {
		while ($child_categories = $child_categories_result->fields) {
			$products_count += oos_count_products_in_category($child_categories['categories_id'], $include_inactive);

			// Move that ADOdb pointer!
			$child_categories_result->MoveNext();
		}
    }

    return $products_count;
}


/**
 * Return true if the category has subcategories
 *
 * @param $category_id
 * @return boolean
 */
function oos_has_category_subcategories($category_id) {

    $dbconn =& oosDBGetConn();
    $oostable =& oosDBGetTables();

    $categoriestable = $oostable['categories'];
    $query = "SELECT COUNT(*) AS total
              FROM $categoriestable
              WHERE parent_id = '" . intval($category_id) . "'";
     $child_category = $dbconn->Execute($query);
    if ($child_category->fields['total'] > 0) {
      return TRUE;
    } else {
      return FALSE;
    }
}

/**
 * Return Show Category
 *
 * @param $nCounter
 * @return string
 */
function oos_show_category($nCounter) {
    global $nPrevID, $aFoo, $aCategories, $sCategory_new, $id, $parent_child, $nCurrentCategoryID;

	$aCategory = array('counter' => $nCounter);

	if ( (isset($id)) && (in_array($nCounter, $id)) ) {
		$aCategory['isSelected'] = 1;
	} else {
		$aCategory['isSelected'] = 0;
    }

    if ($nCounter == $nCurrentCategoryID) {
		$aCategory['isActive'] = 1;
    } else {
		$aCategory['isActive'] = 0;
    }

    if ( (isset($parent_child)) && (is_array($parent_child)) ) {
		foreach ($parent_child as $index_of => $sub_parent_child) {
			if ($nCounter == $sub_parent_child['parent_id']) {
				$aCategory['isHasSubCategories'] = 1;
				break;
			} else {
				$aCategory['isHasSubCategories'] = 0;
			}
		}
    }

    if (SHOW_COUNTS == 'true') {
		$products_in_category = oos_count_products_in_category($nCounter);
		$aCategory['countProductsInCategory'] = $products_in_category;
    }

    if ( (isset($aFoo)) && (is_array($aFoo)) ) {

        if (!isset($nPrevID)) {
            $nPrevID = $nCounter;
        }

        if ($aFoo[$nPrevID]['level'] < $aFoo[$nCounter]['level']) {
            $aCategory['isGroupStart'] = 1;
            $nPrevID = $nCounter;
        } else {
            $aCategory['isGroupStart'] = 0;
        }

        if ($aFoo[$nCounter]['next_id']) {
            $nNextID = $aFoo[$nCounter]['next_id'];

            if ($aFoo[$nCounter]['level'] < $aFoo[$nNextID]['level']) {
                $aCategory['isHasSubElements'] = 1;
            } else {
                $aCategory['isHasSubElements'] = 0;
            }

            if ($aFoo[$nNextID]['level'] < $aFoo[$nCounter]['level'] ) {
                $nElem = $aFoo[$nCounter]['level'] - $aFoo[$nNextID]['level'] ;
                $aCategory['nElements'] = $nElem;
            } else {
                $aCategory['nElements'] = 0;
            }
        }

		if ($aFoo[$nNextID]['level'] < $aFoo[$nCounter]['level'] ) {
            $aCategory['isGroupEnd'] = 1;
        } else {
            $aCategory['isGroupEnd'] = 0;
        }
		
		
        $aCategory = array_merge($aCategory, $aFoo[$nCounter]);
    }

    $aCategories[] = $aCategory;

    if ($aFoo[$nCounter]['next_id']) {
		oos_show_category($aFoo[$nCounter]['next_id']);
    }
}

$categoriestable = $oostable['categories'];
$categories_descriptiontable = $oostable['categories_description'];
$query = "SELECT c.categories_id, cd.categories_name, c.parent_id, c.categories_status
              FROM $categoriestable c,
                   $categories_descriptiontable cd
              WHERE c.categories_status = '2'
                AND c.parent_id = '0'
                AND c.categories_id = cd.categories_id
                AND cd.categories_languages_id = '" . intval($nLanguageID) . "'
              ORDER BY c.sort_order, cd.categories_name";
$categories_result = $dbconn->Execute($query);
while ($categories = $categories_result->fields) {
	$list_of_categories_ids[] = intval($categories['categories_id']);
	$aFoo[$categories['categories_id']] = array('name' => $categories['categories_name'],
                                                 'parent' => $categories['parent_id'],
                                                 'level' => 0,
                                                 'path' => $categories['categories_id'],
                                                 'next_id' => FALSE);

	if (isset($prev_id)) {
		$aFoo[$prev_id]['next_id'] = $categories['categories_id'];
	}

	$prev_id = $categories['categories_id'];

	if (!isset($first_element)) {
		$first_element = $categories['categories_id'];
	}

	// Move that ADOdb pointer!
	$categories_result->MoveNext();
}

if (!empty($sCategory)) {
	$new_path = '';
	$id = explode('_', $sCategory);
	reset($id);
	foreach($id as $key => $value) {		
		
		unset($prev_id);
		unset($first_id);

        $categoriestable = $oostable['categories'];
        $categories_descriptiontable = $oostable['categories_description'];
        $query = "SELECT c.categories_id, cd.categories_name, c.parent_id, c.categories_status
                  FROM $categoriestable c,
                       $categories_descriptiontable cd
                  WHERE c.categories_status = '2'
                    AND c.parent_id = '" . intval($value) . "'
                    AND c.categories_id = cd.categories_id
                    AND cd.categories_languages_id = '" . intval($nLanguageID) . "'
                  ORDER BY c.sort_order, cd.categories_name";
        $categories_result = $dbconn->Execute($query);
        $category_check = $categories_result->RecordCount();
        if ($category_check > 0) {
			$new_path .= $value;
			while ($row = $categories_result->fields) {
				$list_of_categories_ids[] = intval($row['categories_id']);
				$aFoo[$row['categories_id']] = array('name' => $row['categories_name'],
                                                'parent' => $row['parent_id'],
                                                'level' => $key+1,
                                                'path' => $new_path . '_' . $row['categories_id'],
                                                'next_id' => false);

				if (isset($prev_id)) {
					$aFoo[$prev_id]['next_id'] = $row['categories_id'];
				}

				$prev_id = $row['categories_id'];

				if (!isset($first_id)) {
					$first_id = $row['categories_id'];
				}

				$last_id = $row['categories_id'];

				// Move that ADOdb pointer!
				$categories_result->MoveNext();
			}

			$aFoo[$last_id]['next_id'] = $aFoo[$value]['next_id'];
			$aFoo[$value]['next_id'] = $first_id;
			$new_path .= '_';
        } else {
			break;
        }
	}
}

if (sizeof($list_of_categories_ids) > 0 ) {
	$select_list_of_cat_ids = implode(",", $list_of_categories_ids);

	$categoriestable = $oostable['categories'];
	$query = "SELECT categories_id, parent_id
                FROM $categoriestable
                WHERE parent_id in (" . $select_list_of_cat_ids . ")";
	$parent_child_result = $dbconn->Execute($query);

	while ($_parent_child = $parent_child_result->fields) {
		$parent_child[] = $_parent_child;

		// Move that ADOdb pointer!
		$parent_child_result->MoveNext();
	}
}

if (isset($first_element)) {
	oos_show_category($first_element);
}


$smarty->assign(
	array(
		'block_heading_categories' => $block_heading,
		'categories' => $aCategories
	)
);