big rework of emoji calculations, much simpler and more efficient now

msg.py

@@ -5,7 +5,6 @@ from typing import Dict, Iterable
 
 import discord
 import pandas as pd
-import pandas.errors
 from dotenv import load_dotenv
 
 LOGGER = logging.getLogger(__name__)
@@ -49,7 +48,7 @@ def message_dict(m: discord.Message) -> Dict:
         'user id': m.author.id,
         'message': m.content,
         'channel': m.channel.name,
-        'channel link': f'<#{m.channel.id}>',
+        'channel link': m.channel.mention,
         'link': m.jump_url,
     }
 
@@ -78,38 +77,6 @@ async def reaction_dict(r: discord.Reaction) -> Dict:
     }
 
 
-def emoji_messages(msg_df, react_df, emoji_name: str, days: int = 10) -> pd.DataFrame:
-    cached_emojis = react_df.index.get_level_values(1).drop_duplicates().values
-
-    if emoji_name in cached_emojis:
-        reactions = react_df.loc[pd.IndexSlice[:, emoji_name], :]
-        reacted_msgs = msg_df.loc[reactions.index.get_level_values(0).to_list()]
-        reacted_msgs = reacted_msgs[~reacted_msgs.index.duplicated()].sort_index()
-        if reacted_msgs.shape[0] == 0:
-            LOGGER.error(f'No messages found with {emoji_name} reactions')
-        else:
-            LOGGER.info(
-                f'Found {reacted_msgs.shape[0]} messages for the leaderboard, ' + \
-                f'{reactions["count"].sum():.0f} reactions total'
-            )
-
-            try:
-                reacted_msgs['count'] = reacted_msgs.index.to_series().apply(
-                    lambda idx: reactions.loc[pd.IndexSlice[idx, emoji_name], 'count'])
-            except pandas.errors.InvalidIndexError as e:
-                LOGGER.error(f'{e}\n{reacted_msgs[reacted_msgs.index.duplicated()]}')
-                raise
-            else:
-                reacted_msgs = reacted_msgs[
-                    reacted_msgs['created'] >= (datetime.today() - timedelta(days=days)).astimezone()]
-
-                reacted_msgs = reacted_msgs.sort_values('count', ascending=False)
-
-                return reacted_msgs
-    else:
-        LOGGER.error(f'Emoji not found in reactions DataFrame: {emoji_name}')
-
-
 def emoji_totals(edf: pd.DataFrame) -> pd.DataFrame:
     totals = edf.groupby('display_name').sum()['count'].sort_values(ascending=False).apply(int)
     max_channels = (