Prosellers Shell V2.0

Editing: ProductCategory.php

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<?php
/**
 * Class represents records from table product_category
 * {autogenerated}
 * @property int $product_category_id 
 * @property string $title 
 * @property string $description 
 * @property int $parent_id 
 * @property string $code 
 * @property int $sort_order 
 * @see Am_Table
 */
class ProductCategory extends Am_Record {
    protected $_childNodes = array();

class ProductCategoryTable extends Am_Table {
    protected $_key = 'product_category_id';
    protected $_table = '?_product_category';
    protected $_recordClass = 'ProductCategory';

const COUNT = 'count';

/**
     * Do not include categories that do not have products.
     */
    
    const EXCLUDE_EMPTY = 'exclude_empty';
    
    /**
     * Do not include hidden categories.
     */
    const EXCLUDE_HIDDEN = 'exclude_hidden';
    /**
     * array of ctegory codes to include to list
     */
    const INCLUDE_HIDDEN = 'include_hidden';

const ADMIN = 1;
    const USER = 2;
    
    protected $categoryProductsCache = null;

/**
     * @todo protect against endless cycle (child[parent_id] <-> parent[parent_id])
     * @return ProductCategory
     */
    function getTree()
    {
        $ret = array();
        foreach ($this->_db->select("SELECT
            product_category_id AS ARRAY_KEY,
            parent_id AS PARENT_KEY, pc.*
            FROM ?_product_category AS pc
            ORDER BY 0+sort_order") as $r)
        {
            $ret[] = $this->createRecord($r);
        }
        return $ret;
    }
    function getUserSelectOptions($options = array())
    {
        return $this->getSelectOptions(self::USER, $options);
    }
    function getAdminSelectOptions($options = array())
    {
        return $this->getSelectOptions(self::ADMIN, $options);
    }
    function getSelectOptions( $type, array $options)
    {
        $ret = array();
        $do_count = !empty($options[self::COUNT]);
        $exclude_empty = !empty($options[self::EXCLUDE_EMPTY]);
        $exclude_hidden = !empty($options[self::EXCLUDE_HIDDEN]);
        $include_hidden = isset($options[self::INCLUDE_HIDDEN]) ? $options[self::INCLUDE_HIDDEN] : array();
        $exclude_disabled = self::USER ? true : false;
        
        if ($do_count || $exclude_empty)
            $sql = "SELECT pc.product_category_id AS ARRAY_KEY,
                pc.parent_id, pc.title, pc.code,
                COUNT(DISTINCT ppc.product_id) as `count`
                FROM ?_product_category pc
                    LEFT JOIN ?_product_product_category ppc USING (product_category_id)
                    LEFT JOIN ?_product p ON p.product_id = ppc.product_id
                    ".($exclude_disabled ? " AND p.is_disabled=0 " : "")."
                GROUP BY pc.product_category_id
                ORDER BY parent_id, 0+pc.sort_order";
        else
            $sql = "SELECT product_category_id AS ARRAY_KEY,
                parent_id, title, code
                FROM ?_product_category
                ORDER BY parent_id, 0+sort_order";
        $rows = $this->_db->select($sql);
        foreach ($rows as $id => $r){
            if($exclude_empty && !$r['count']) continue;
            if($exclude_hidden && !(empty($r['code']) || in_array($r['code'], $include_hidden))) continue;
            $title    = $r['title'];
            $parent_id = $r['parent_id'];
            $parent_id_used = array( $id );
            while ($parent_id){
                // protect against endless cycle
                if (in_array($parent_id, $parent_id_used)) break;
                $parent_id_used[] = $parent_id;
                if (empty($rows[$parent_id])) break;
                $parent = $rows[$parent_id];
                $title = $parent['title'] . '/' . $title;
                $parent_id = $parent['parent_id'];
            }
            if ($do_count)
                $title .= sprintf(' (%d)', $r['count']);
            $ret [ (($type == self::ADMIN) || !$r['code'] ? $id : $r['code']) ] = $title;
        }
        return $ret;
    }
    /**
     * Try to find by code and by id
     * if found by id, checks that code is empty
     */
    function findByCodeThenId($codeOrId)
    {
        $r = $this->selectObjects("SELECT * 
            FROM ?_product_category 
            WHERE code=? OR (IFNULL(code,'')='' AND product_category_id=?)
            ORDER BY code=? DESC 
            LIMIT 1", $codeOrId, $codeOrId, $codeOrId);
        if (!$r) return;
        $record = $r[0];
        if ($record->code && ($record->code != $codeOrId))
            throw new Am_Exception_InputError("Category #$record->product_category_id could not be accessed by id#");
        return $record;
    }
    
    function moveNodes($fromId, $toId)
    {
        $this->_db->query("UPDATE {$this->_table} SET parent_id=?d WHERE parent_id=?d",
            $toId, $fromId);
    }
    
    public function delete($key)
    {
        parent::delete($key);
        $this->_db->query("DELETE FROM ?_product_product_category WHERE product_category_id=?d", $key);
    }
    
    /**
     * @return array { category_id => [product_id1, product_id2, ...] } 
     */
    public function getCategoryProducts($useCache = true)
    {
        if (!$useCache || ($this->categoryProductsCache === null))
        {
            $this->categoryProductsCache = $this->_db->selectCol("
                SELECT product_category_id as ARRAY_KEY, GROUP_CONCAT(product_id)
                FROM ?_product_product_category
                GROUP BY product_category_id");
            foreach ($this->categoryProductsCache as & $prList)
                $prList = explode(',', $prList);
        }
        return $this->categoryProductsCache;
    }
}

Editing: ProductCategory.php

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