from dataclasses import dataclass
from io import TextIOWrapper
from os import sep

@dataclass
class Article:
    id: str
    title: str
    summary: str
    content: str

def read_article_file(file: TextIOWrapper) -> Article:
    id = file.name.split(sep)[-1].split('.')[0]
    title = file.readline().strip()
    summary = file.readline().strip()
    content = file.read().strip()

    return Article(id, title, summary, content)

@dataclass
class Blog:
    name: str
    url: str

def blog_from_json(json: dict) -> Blog:
    return Blog(
        json['name'],
        json['url']
    )