Update guild listener to use new database. Add default config function to utils.

utilities/utils.py

@@ -2,6 +2,7 @@
 Contains various utlity functions for highscores bot
 """
 
+import json
 import time
 
 import nextcord
@@ -168,6 +169,7 @@ def format_highscore_message(group: CategoryGroup) -> str:
         category_ids.append(cat.CategoryId)
 
     # get all scores in category group, load into data frame.
+    # FIXME there is some slice warning here from pandas.
     d_f = pd.read_sql_query(sql=session.query(Score).where(Score.CategoryId.in_(category_ids)).statement, con=engine)
 
     # this list is what will be printed in the discord message
@@ -306,3 +308,30 @@ async def submit_score(
     assert channel is not None, await interaction.send(error_response, ephemeral=True)
 
     await send_highscore_message(channel, group)
+
+
+def add_preset_configuration(guild_id: int, config_str: str) -> None:
+    """
+    Adds an example configuration to a Guild. Uses guild id to know which guild and
+    config name to open a file in example_config.
+
+    Args:
+        guild_id (int): Guild id to add config to
+        config_str (str): Config name to add
+    """
+    with open(f"example_config/{config_str}.json", encoding="utf-8", mode="r") as file:
+        config = json.load(file)
+
+    for group_name, categorys in config["tables"].items():
+        group_obj = CategoryGroup(GroupName=group_name, GuildId=guild_id)
+        session.add(group_obj)
+        for category_name in categorys:
+            cat_obj = Category(
+                CategoryName=category_name,
+                Size=config["table_size"],
+                IsTimeRecord=config["categories"][category_name]["is_time_record"],
+                IsAscending=config["categories"][category_name]["ascending"],
+            )
+            session.add(cat_obj)
+
+    session.commit()