def _get_products_keyboard(self,
func: Callable,
products: Iterable[Product],
offset: int,
back_offset: int,
max_offset: int,
is_need_back: bool = None,
*args) -> KB:
if is_need_back is None:
is_need_back = True
kb = KB(self._serializer)
for index, product in enumerate(products):
if index >= IN_PAGE:
break
kb.button(product.name, self.open_product,
(product.id, back_offset))
if is_need_back:
pager = kb.pager(func, IN_PAGE, offset, max_offset, back_offset,
*args)
else:
pager = kb.pager(func, IN_PAGE, offset, max_offset, *args)
if pager is not None and is_need_back:
pager.back(self.open_categories, back_offset)
return kb
def _abs_open_categories(self, func: Callable,
categories: Iterable[Category], offset: int,
max_offset: int) -> KB:
kb = KB(self._serializer)
for category in categories:
kb.button(category.name, func, (0, category.id, offset))
kb.pager(self.open_categories, IN_PAGE, offset, max_offset)
return kb