async def create(cls, instance: 'Menu') -> 'Session':
"""Creates a new session based from a menu instance and adds it to the session store. Checks for
existing sessions in the store and handles safe deletion."""
_ = Session.get(instance)
if instance.ctx.author.id in sessions:
if Session.check_user_limit(instance.ctx.author.id):
earliest = min(sessions[instance.ctx.author.id].items(),
key=itemgetter(0))
await earliest[1].instance.close()
else:
pass
self = Session()
self.key = instance.ctx.author.id
instance._id = int(time.time())
self.instance = instance
self.history = instance.history
self.active = True
if sessions.get(self.key, False):
sessions[self.key][instance._id] = self
else:
sessions[self.key] = {}
sessions[self.key][instance._id] = self
return self
def check_user_limit(user_id):
"""Predicate check for the amount of sessions a user has total."""
return True if len(
sessions.get(user_id)) >= SESSION_PER_USER_LIMIT else False
def check_guild_limit(self):
"""Predicate check for the amount of sessions a user has in a single channel total."""
return False if len(sessions.get(
self.key)) >= SESSION_PER_USER_LIMIT else True
def get(instance: 'Menu') -> 'Session':
"""Returns an existing session object from the sessions store."""
if user_sessions := sessions.get(instance.ctx.author.id, {}):
return user_sessions.get(instance._id, {})