fully implemented project

app/server.py

@@ -0,0 +1,40 @@
+import time
+import filter
+import handler
+from http.server import HTTPServer
+import logger
+import grabber
+
+class Server:
+    def __init__(self, host: str, port: int, cache_duration: int, ics_url: str):
+        self._host = host
+        self._port = port
+        self._cache_duration = cache_duration
+        self._ics_url = ics_url
+        self._cached_calendar = None
+        self._cached_time = -cache_duration
+
+    def _cache_calendar(self):
+        if not self._cached_calendar or self._cached_time + self._cache_duration < time.time():
+            self._cached_calendar = grabber.grab_calendar(self._ics_url)
+            if not self._cached_calendar:
+                return False
+
+            self._cached_time = time.time()
+            logger.info("Successfully cached calendar")
+
+        return True
+
+    def _response_callback(self, td_group: str, sh_group: str):
+        if not self._cache_calendar():
+            return None
+
+        filtered_calendar = filter.filter_calendar(self._cached_calendar, td_group, sh_group)
+
+        return filtered_calendar.serialize()
+
+    def serve(self):
+        handler_class = handler.generate_class(self._response_callback)
+        server = HTTPServer((self._host, self._port), handler_class)
+        logger.info("Listening on " + self._host + ":" + str(self._port))
+        server.serve_forever()