More refactoring

bot.py

@@ -1,5 +1,6 @@
 from telegram import Update
 from telegram.ext import Application, CommandHandler, MessageHandler, ContextTypes
+from datetime import datetime
 from config import BotConfig
 from gates import Gates
 from users import Users, Credential, Role
@@ -10,11 +11,10 @@ gates = Gates()
 users = Users()
 
 async def post_init(application: Application) -> None:
-    bot_commands = bot_config.commands
-    await application.bot.set_my_commands(bot_commands)
     await application.bot.set_my_name(bot_config.name)
     await application.bot.set_my_description(bot_config.description)
     await application.bot.set_my_short_description(bot_config.short_description)
+    await application.bot.set_my_commands(bot_config.commands)
 
 async def updateuser(update: Update, context: ContextTypes.DEFAULT_TYPE):
     user_id = str(update.effective_user.id)
@@ -94,7 +94,7 @@ async def approve(update: Update, context: ContextTypes.DEFAULT_TYPE):
         user_id = context.args[0]
         gate = context.args[1]
         expires_at = context.args[2]
-        users.grant_access(user_id, gate, expires_at, grantor_id=approver_id)
+        users.grant_access(user_id, gate, datetime.fromisoformat(expires_at.replace("Z", "+00:00")), grantor_id=approver_id)
         await update.message.reply_text(f"Access to {gate} granted to user {user_id}.")
         try:
             await context.bot.send_message(chat_id=user_id, text=f"Access granted to gate {gate} up to {expires_at}")