@http.route([
    '''/shop''',
    '''/shop/page/<int:page>''',
    '''/shop/category/<model("product.public.category"):category>''',
    '''/shop/category/<model("product.public.category"):category>/page/<int:page>'''
], type='http', auth="public", website=True, sitemap=sitemap_shop)
def shop(self, page=0, category=None, search='', ppg=False, **post):
    add_qty = int(post.get('add_qty', 1))
    Category = request.env['product.public.category']
    if category:
        category = Category.search([('id', '=', int(category))], limit=1)
        if not category or not category.can_access_from_current_website():
            raise NotFound()
    else:
        category = Category

    if ppg:
        try:
            ppg = int(ppg)
            post['ppg'] = ppg
        except ValueError:
            ppg = False
    if not ppg:
        ppg = request.env['website'].get_current_website().shop_ppg or 20

    ppr = request.env['website'].get_current_website().shop_ppr or 4

    attrib_list = request.httprequest.args.getlist('attrib')
    attrib_values = [[int(x) for x in v.split("-")] for v in attrib_list if v]
    attributes_ids = {v[0] for v in attrib_values}
    attrib_set = {v[1] for v in attrib_values}

    domain = self._get_search_domain(search, category, attrib_values)

    keep = QueryURL('/shop', category=category and int(category), search=search, attrib=attrib_list, order=post.get('order'))

    pricelist_context, pricelist = self._get_pricelist_context()

    request.context = dict(request.context, pricelist=pricelist.id, partner=request.env.user.partner_id)

    url = "/shop"
    if search:
        post["search"] = search
    if attrib_list:
        post['attrib'] = attrib_list

    Product = request.env['product.template'].with_context(bin_size=True)

    search_product = Product.search(domain)
    website_domain = request.website.website_domain()
    categs_domain = [('parent_id', '=', False)] + website_domain
    if search:
        search_categories = Category.search([('product_tmpl_ids', 'in', search_product.ids)] + website_domain).parents_and_self
        categs_domain.append(('id', 'in', search_categories.ids))
    else:
        search_categories = Category
    categs = Category.search(categs_domain)

    if category:
        url = "/shop/category/%s" % slug(category)

    product_count = len(search_product)
    pager = request.website.pager(url=url, total=product_count, page=page, step=ppg, scope=7, url_args=post)
    products = Product.search(domain, limit=ppg, offset=pager['offset'], order=self._get_search_order(post))

    ProductAttribute = request.env['product.attribute']
    if products:
        # get all products without limit
        attributes = ProductAttribute.search([('product_tmpl_ids', 'in', search_product.ids)])
    else:
        attributes = ProductAttribute.browse(attributes_ids)

    layout_mode = request.session.get('website_sale_shop_layout_mode')
    if not layout_mode:
        if request.website.viewref('website_sale.products_list_view').active:
            layout_mode = 'list'
        else:
            layout_mode = 'grid'

    values = {
        'search': search,
        'category': category,
        'attrib_values': attrib_values,
        'attrib_set': attrib_set,
        'pager': pager,
        'pricelist': pricelist,
        'add_qty': add_qty,
        'products': products,
        'search_count': product_count,  # common for all searchbox
        'bins': TableCompute().process(products, ppg, ppr),
        'ppg': ppg,
        'ppr': ppr,
        'categories': categs,
        'attributes': attributes,
        'keep': keep,
        'search_categories_ids': search_categories.ids,
        'layout_mode': layout_mode,
    }
    if category:
        values['main_object'] = category
    return request.render("website_sale.products", values)