E-Paper-Calendar/Calendar/RssInterface.py
2019-07-13 08:05:35 +02:00

35 lines
1.1 KiB
Python

from DataSourceInterface import DataSourceInterface
from datetime import datetime, timezone, timedelta
class RssInterface(DataSourceInterface):
"""Interface for fetching and processing rss post information."""
def __init__(self):
self.loaded_posts = []
def reload(self):
if self.is_available() == False:
return
self.loaded_posts = self.__get_posts__()
self.__sort_posts__()
def __get_posts__(self):
raise NotImplementedError("Functions needs to be implemented")
def get_latest_posts(self, count=10):
return self.loaded_posts[0:count]
def get_today_posts(self):
return self.get_day_posts(datetime.now())
def get_day_posts(self, day):
return self.__get_posts_to_filter__(lambda x: x.datetime.strftime('%d-%m-%y') == day.strftime('%d-%m-%y'))
def __get_posts_to_filter__(self, post_filter):
if self.loaded_posts is None:
return []
return [post for post in self.loaded_posts if post_filter(post)]
def __sort_posts__(self):
self.loaded_posts.sort(key=lambda x: x.datetime, reverse=True)