roykin/override/classes/Category.php

<?php

class Category extends CategoryCore
{
    const CATEGORY_HOME = 2;
    const CATEGORY_BRAND_ROYKIN = 59;
    const CATEGORY_RANGE_COLLECTION = 3;
    const CATEGORY_RANGE_ORIGINAL = 8;
    const CATEGORY_RANGE_SAVEUR = 12;
    const CATEGORY_RANGE_SAVEUR_TABACS = 27;

    private static $default_sub_category_ids = array();

    public $images = array('logos' => '', 'bkg' => '');

    public function __construct($id_category = null, $id_lang = null, $id_shop = null)
    {
        ObjectModel::__construct($id_category, $id_lang, $id_shop);

        $this->image_dir = _PS_CAT_IMG_DIR_;

        if ($this->id) {
            $path = 'logos/'.$this->id;
            if (file_exists($this->image_dir.$path.'.jpg')) {
                $this->images['logos'] = $path.'.jpg';
            }
            elseif (file_exists($this->image_dir.$path.'.png')) {
                $this->images['logos'] = $path.'.png';
            }

            $path = 'bkg/'.$this->id;
            if (file_exists($this->image_dir.$path.'.jpg')) {
                $this->images['bkg'] = $path.'.jpg';
            }
            elseif (file_exists($this->image_dir.$path.'.png')) {
                $this->images['bkg'] = $path.'.png';
            }
        }

    }


    public static function getDefault($context = null)
    {
        return self::CATEGORY_BRAND_ROYKIN;
    }

    public static function getDefaultSubCategory($id_category, $on_notfound_use_firstsubcategory = false, $context = null)
    {
        if (empty(self::$default_sub_category_ids)) {
            self::$default_sub_category_ids = array(
                self::CATEGORY_HOME => self::CATEGORY_BRAND_ROYKIN,
                self::CATEGORY_BRAND_ROYKIN => self::CATEGORY_RANGE_ORIGINAL
                );
        }

        if (isset(self::$default_sub_category_ids[$id_category])) {
            return self::$default_sub_category_ids[$id_category];
        }

        if ($on_notfound_use_firstsubcategory) {
            return self::getFirstSubCategory($id_category, $context);
        }

        return -1;
    }

    public static function getFirstSubCategory($id_category, $context = null)
    {
        if(!$context) {
            $context = Context::getContext();
        }

        $id_sub_category = Db::getInstance()->getValue(
            'SELECT c.`id_category`
            FROM `'._DB_PREFIX_.'category` c
            LEFT JOIN `'._DB_PREFIX_.'category_shop` cs ON cs.`id_category` = c.`id_category`
            WHERE c.`id_parent` = '.(int)$id_category.'
            AND c.`active` = 1
            AND cs.`id_shop` = '.(int)$context->shop->id.'
            ORDER BY cs.`position` ASC'
            );

        if (empty($id_sub_category)) {
            $id_sub_category = -1;
        }

        return $id_sub_category;
    }

    public static function getCategoriesTree($id_parent, $currentDepth = 0, $depth = 3, $context = null) 
    {
        if(!$context) 
        {
            $context = Context::getContext();
        }

        if($currentDepth >= $depth)
        {
            return array();
        }

        $query = '
            SELECT DISTINCT c.`id_category`, cl.`name`
            FROM `'._DB_PREFIX_.'category` c
            LEFT JOIN `'._DB_PREFIX_.'category_lang` cl ON cl.`id_category` = c.`id_category`
            LEFT JOIN `'._DB_PREFIX_.'category_shop` cs ON cs.`id_category` = c.`id_category`
            WHERE c.`id_parent` = '.$id_parent.'
            AND c.`active` = 1
            AND cl.`id_lang` = '.$context->language->id.'
            AND cs.`id_shop` = '.$context->shop->id.'
            AND cl.`id_shop` = '.$context->shop->id.'
            ORDER BY cs.`position` ASC
        ';

        $categories = Db::getInstance()->executeS($query);
        
        if(!$categories)
        {
            return array();
        }

        foreach($categories as $key => $category)
        {
            $categories[$key]['link'] = $context->link->getCategoryLink($category['id_category']);
            $categories[$key]['children'] = self::getCategoriesTree($category['id_category'], $currentDepth+1, $depth, $context);

            if($categories[$key]['children'])
            {       
                foreach($categories[$key]['children'] as $idx => $childrenCategory)
                {
                    $categories[$key]['children'][$idx]['link'] = $context->link->getCategoryLink($childrenCategory['id_category']);
                }
            }
        }
        
        return $categories;
    }

    public function getImageLogo()
    {
        if (empty($this->images['logos'])) {
            return '';
        }
        return _THEME_CAT_DIR_.$this->images['logos'];
    }

    public function getImageBackground()
    {
        if (empty($this->images['bkg'])) {
            return '';
        }
        return _THEME_CAT_DIR_.$this->images['bkg'];
    }
    
    public function deleteSpecificImage($folder, $thumb_image_type)
    {
        if (!$this->id) {
            return false;
        }

        if (preg_match('/[a-z]+/i', $folder)!==1) {
            return false;
        }

        if (!empty($this->images[$folder])) {
            if (file_exists($this->image_dir.$this->images[$folder]) && !unlink($this->image_dir.$this->images[$folder])) {
                return false;
            }
        }

        if (file_exists(_PS_TMP_IMG_DIR_.$this->getThumbnailFilename($folder, $thumb_image_type))
            && !unlink(_PS_TMP_IMG_DIR_.$this->getThumbnailFilename($folder, $thumb_image_type))) {
            return false;
        }

        return true;
    }

    public function getThumbnailFilename($folder, $thumb_image_type)
    {
        $thumb = self::$definition['table'].'_'.strtr($folder, array('/' => '', '.'=>'')).'_'.(int)$this->id.'.'.strtr($thumb_image_type, array('/' => '', '.'=>''));
        return $thumb;
    }


}