import feedparser


class FeedItem:
    def __init__(self, url: str, title: str, description: str, date: str) -> None:
        self.url = url
        self.title = title
        self.description = description
        self.date = date

class Feed:
    def __init__(self, url: str, items: list[FeedItem]) -> None:
        self.url = url
        self.items = items

class RssReader:
    def get_feed(self, url: str) -> Feed:
        f = feedparser.parse(url)
        items = self.__get_items(f.entries)
        return Feed(url, items)
        
    def __convert_to_feed_item(self, item: feedparser.util.FeedParserDict) -> FeedItem:
        title = item.get('title', '')
        url = item.get('link', '')
        description = item.get('summary', '')
        date = item.get('published', '')
        return FeedItem(url, title, description, date)

    def __get_items(self, items: list) -> list:
        list_items = []
        for item in items:
            list_items.append(self.__convert_to_feed_item(item))
        return list_items