add short helpers for getting/changing user settings

nomen/main.py

@@ -90,11 +90,11 @@ class Nomen(Bot):
         await super().close()
         await self.db.close()
 
-    async def user_toggle(self, user_id, item):
-        await self.db.execute(
-            "REPLACE INTO users (user_id, {item}) VALUES(:user_id, iff((SELECT {item} FROM users WHERE user_id=:user_id)), 0, 1)",
-            {"user_id": user_id},
-        )
+    async def get_setting(self, user_id, setting):
+        return await self.db.fetch_singleton(f"SELECT {setting} FROM users WHERE user_id=?", (user_id,))
+
+    async def set_setting(self, user_id, setting, value: bool):
+        await self.db.execute(f"REPLACE INTO users (user_id, {setting}) VALUES(?, ?)", (user_id, value))
         await self.db.commit()