Defined RssPost and RssDataSourceInterface

Calendar/RssInterface.py

@@ -0,0 +1,28 @@
+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 = 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') == date.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)

Calendar/RssPost.py

@@ -0,0 +1,9 @@
+class RssPost(object):
+    """Defines a rss post, independent of any implementation"""
+    def __init__ (self):
+        self.title = None
+        self.description = None
+        self.source = None
+
+        self.datetime = None
+        self.fetch_datetime = None