added get_unpublished_events

mobilizon_bots/main.py

@@ -1,3 +1,4 @@
+from mobilizon_bots.mobilizon.events import get_unpublished_events
 from mobilizon_bots.storage.db import MobilizonBotsDB
 
 
@@ -7,8 +8,8 @@ def main():
     :return:
     """
     db = MobilizonBotsDB().setup()
-    unpublished_events = Mobilizon().get_unpublished_events()
     published_events = db.get_published_events()
+    unpublished_events = get_unpublished_events(published_events)
     event = select_event_to_publish()
     result = PublisherCoordinator(event).publish() if event else exit(0)
     exit(0 if result.is_success() else 1)

mobilizon_bots/mobilizon/events.py

@@ -69,6 +69,20 @@ query_future_events = """{{
           }}"""
 
 
+def get_unpublished_events(published_events: List[MobilizonEvent]):
+    # I take all the future events
+    future_events = get_mobilizon_future_events()
+    # I get the ids of all the published events coming from the DB
+    published_events_id = set(map(lambda x: x.mobilizon_id, published_events))
+    # I keep the future events only the ones that haven't been published
+    # Note: some events might exist in the DB and be unpublished. Here they should be ignored because the information
+    # in the DB might be old and the event might have been updated.
+    # We assume the published_events list doesn't contain such events.
+    return list(
+        filter(lambda x: x.mobilizon_id not in published_events_id, future_events)
+    )
+
+
 def get_mobilizon_future_events(
     page: int = 1, from_date: Optional[arrow.Arrow] = None
 ) -> List[MobilizonEvent]: