39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
import util.util as util
|
|
|
|
|
|
class ContactProvider(util.ToxSave):
|
|
|
|
def __init__(self, tox, friend_factory):
|
|
super().__init__(tox)
|
|
self._friend_factory = friend_factory
|
|
self._cache = {} # key - contact's public key, value - contact instance
|
|
|
|
def get_friend_by_number(self, friend_number):
|
|
public_key = self._tox.friend_get_public_key(friend_number)
|
|
|
|
return self.get_friend_by_public_key(public_key)
|
|
|
|
def get_friend_by_public_key(self, public_key):
|
|
friend = self._get_contact_from_cache(public_key)
|
|
if friend is not None:
|
|
return friend
|
|
friend = self._friend_factory.create_friend_by_public_key(public_key)
|
|
self._add_to_cache(public_key, friend)
|
|
|
|
return friend
|
|
|
|
def get_gc_by_number(self):
|
|
pass
|
|
|
|
def get_gc_by_public_key(self):
|
|
pass
|
|
|
|
def clear_cache(self):
|
|
self._cache.clear()
|
|
|
|
def _get_contact_from_cache(self, public_key):
|
|
return self._cache[public_key] if public_key in self._cache else None
|
|
|
|
def _add_to_cache(self, public_key, contact):
|
|
self._cache[public_key] = contact
|