CppLearning/Pythonic/chap-43/SideBar.py

class SideBar:
    DIV: str = 'div'
    H1: str = 'h1'
    MORE: str = 'more'
    MORE_ITEMS_LENGTH = 3
    SHOULD_COMPRESS_HTML: bool = True

    def __init__(self,
                 title: str,
                 memu_items: [str],
                 more: str = MORE,
                 more_items_length: int = MORE_ITEMS_LENGTH,
                 should_compress_html: bool = SHOULD_COMPRESS_HTML
                 ) -> None:
        self.title = title
        self.more = more
        self.should_compress_html = should_compress_html
        self.memu_items = memu_items
        self.more_items_length = more_items_length

    def __len__(self):
        return len(self.memu_items)

    def __repr__(self):
        return f'SideBar: {len(self)} memu items'

    @classmethod
    def _header(cls, title: str) -> str:
        return cls._build_header(cls.H1, title)

    @classmethod
    def _body(cls, menu_items:[str], should_compress_html: bool) -> str:
        join_char = cls._get_split_char(should_compress_html)
        return join_char.join(
            list(cls._build_body(cls.DIV, menu_items))
        )

    @classmethod
    def _more(cls, more):
        return cls._build_more(cls.DIV, more)

    @staticmethod
    def _build_header(tag_name: str, title: str) -> str:
        return f'<{tag_name}>{title}</{tag_name}>'

    @staticmethod
    def _build_body(tag_name: str, menu_items: [str]) -> str:
        for menu_item in menu_items:
            yield f'<{tag_name}>{menu_item}</{tag_name}>'

    @staticmethod
    def _build_more(tag_name: str, text: str) -> str:
        return f'<{tag_name}>{text}</{tag_name}>'

    @staticmethod
    def _get_split_char(should_compress_html: bool) -> str:
        return '' if should_compress_html else '\n'

    def _is_few_items(self):
        return len(self) < self.more_items_length

    def build(self) -> str:
        header = self._header(self.title)
        body = self._body(self.memu_items,self.should_compress_html)
        footer = self._more(self.more) if self._is_few_items() else ''
        split_char = self._get_split_char(self.should_compress_html)
        html = split_char.join([header, body, footer])

        return html

if __name__ == '__main__':
    side_bar = SideBar('DEMO SIDE BAR', ['item1', 'item2', 'item3', 'item4', 'item5'], should_compress_html=False, more_items_length=10)
    print(side_bar.build())