108 lines
4.3 KiB
Python
108 lines
4.3 KiB
Python
import common.tox_save as tox_save
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class ContactProvider(tox_save.ToxSave):
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def __init__(self, tox, friend_factory, group_factory, group_peer_factory):
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super().__init__(tox)
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self._friend_factory = friend_factory
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self._group_factory = group_factory
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self._group_peer_factory = group_peer_factory
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self._cache = {} # key - contact's public key, value - contact instance
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# -----------------------------------------------------------------------------------------------------------------
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# Friends
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# -----------------------------------------------------------------------------------------------------------------
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def get_friend_by_number(self, friend_number):
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public_key = self._tox.friend_get_public_key(friend_number)
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return self.get_friend_by_public_key(public_key)
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def get_friend_by_public_key(self, public_key):
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friend = self._get_contact_from_cache(public_key)
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if friend is not None:
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return friend
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friend = self._friend_factory.create_friend_by_public_key(public_key)
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self._add_to_cache(public_key, friend)
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return friend
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def get_all_friends(self):
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friend_numbers = self._tox.self_get_friend_list()
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friends = map(lambda n: self.get_friend_by_number(n), friend_numbers)
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return list(friends)
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# -----------------------------------------------------------------------------------------------------------------
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# Groups
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# -----------------------------------------------------------------------------------------------------------------
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def get_all_groups(self):
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group_numbers = range(self._tox.group_get_number_groups())
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groups = map(lambda n: self.get_group_by_number(n), group_numbers)
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return list(groups)
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def get_group_by_number(self, group_number):
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public_key = self._tox.group_get_chat_id(group_number)
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return self.get_group_by_public_key(public_key)
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def get_group_by_public_key(self, public_key):
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group = self._get_contact_from_cache(public_key)
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if group is not None:
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return group
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group = self._group_factory.create_group_by_public_key(public_key)
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self._add_to_cache(public_key, group)
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return group
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# -----------------------------------------------------------------------------------------------------------------
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# Group peers
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# -----------------------------------------------------------------------------------------------------------------
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def get_all_group_peers(self):
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return list()
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def get_group_peer_by_id(self, group, peer_id):
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peer = group.get_peer_by_id(peer_id)
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return self._get_group_peer(group, peer)
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def get_group_peer_by_public_key(self, group, public_key):
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peer = group.get_peer_by_public_key(public_key)
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return self._get_group_peer(group, peer)
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# -----------------------------------------------------------------------------------------------------------------
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# All contacts
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# -----------------------------------------------------------------------------------------------------------------
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def get_all(self):
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return self.get_all_friends() + self.get_all_groups() + self.get_all_group_peers()
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# -----------------------------------------------------------------------------------------------------------------
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# Caching
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# -----------------------------------------------------------------------------------------------------------------
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def clear_cache(self):
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self._cache.clear()
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def remove_contact_from_cache(self, contact_public_key):
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if contact_public_key in self._cache:
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del self._cache[contact_public_key]
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# -----------------------------------------------------------------------------------------------------------------
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# Private methods
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# -----------------------------------------------------------------------------------------------------------------
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def _get_contact_from_cache(self, public_key):
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return self._cache[public_key] if public_key in self._cache else None
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def _add_to_cache(self, public_key, contact):
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self._cache[public_key] = contact
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def _get_group_peer(self, group, peer):
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return self._group_peer_factory.create_group_peer(group, peer)
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