Add election reminder.

Happens daily starting 3 days before election end.

classes/election_cycle.py

@@ -3,7 +3,7 @@ Contains the election cycle class
 """
 
 import collections
-from datetime import datetime
+from datetime import datetime, timedelta
 
 import nextcord
 from sqlalchemy import select
@@ -140,6 +140,8 @@ class ElectionCycle:
             await self.election_start_action()
         elif today.date() == self.voting_start.date():
             await self.voting_start_action()
+        elif (self.voting_end - timedelta(3)).date() <= today.date() < self.voting_end.date():
+            await self.election_reminder()
         elif today.date() == self.voting_end.date():
             await self.voting_end_action()
         elif today.date() == self.highcouncil_election_start.date():
@@ -273,3 +275,15 @@ class ElectionCycle:
                 ElectionInformation.ElectionCycle == get_election_cycle_name(self.config)
             )
             return session.scalar(stmt)
+
+    async def election_reminder(self) -> None:
+        """
+        Sends a message to general chat reminder clan about election.
+        """
+
+        general: nextcord.TextChannel = self.guild.get_channel(self.config.params.general_channel_id)
+
+        message = f"Reminder to <@&{self.config.params.clan_member_role_id}>! Clan elections are happening! Head over "
+        message += f"to <#{self.get_election_info().ElectionChannel}> to cast your vote!"
+
+        await general.send(content=message)