Add command to view a group's username length.

cogs/commands/get.py

@@ -143,6 +143,33 @@ class GetCog(commands.Cog, name="Get command."):
                 f"{group.name} has a pad length of {group.pad_length}.", ephemeral=True
             )
 
+    @group.subcommand(description="Get the username length of a group.")
+    async def username_length(
+        self,
+        interaction: nextcord.Interaction,
+        group_id: str = nextcord.SlashOption(
+            name="group", description="Group to get username length of.", required=True
+        ),
+    ) -> None:
+        """
+        Command to view a group's username length.
+
+        Args:
+            interaction (nextcord.Interaction):  Interaction that invoked the command.
+            group_id (str): String representation of Group id get information from. Is SlashOption.
+        """
+        stmt = select(CategoryGroup).where(col(CategoryGroup.id) == int(group_id))
+
+        with Session(engine) as session:
+            group = session.scalar(stmt)
+            if group is None:
+                await interaction.response.send_message("Group was not found.", ephemeral=True)
+                return
+
+            await interaction.response.send_message(
+                f"{group.name} has a username length of {group.username_length}.", ephemeral=True
+            )
+
     @is_ascending.on_autocomplete("category_id")
     @is_validated.on_autocomplete("category_id")
     @size.on_autocomplete("category_id")
@@ -163,6 +190,7 @@ class GetCog(commands.Cog, name="Get command."):
     @is_validated.on_autocomplete("group_id")
     @pad_length.on_autocomplete("group_id")
     @size.on_autocomplete("group_id")
+    @username_length.on_autocomplete("group_id")
     async def group_autocomplete(self, interaction: nextcord.Interaction, group_id: str) -> None:
         """
         Sends results from autofill_groups back to group_output_channel for autocompletion of group_id.