75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
import util.util as util
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class ContactProvider(util.ToxSave):
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def __init__(self, tox, friend_factory):
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super().__init__(tox)
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self._friend_factory = friend_factory
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self._cache = {} # key - contact's public key, value - contact instance
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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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# -----------------------------------------------------------------------------------------------------------------
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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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# GC
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# -----------------------------------------------------------------------------------------------------------------
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def get_all_groups(self):
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return []
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def get_group_by_number(self):
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pass
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def get_group_by_public_key(self):
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pass
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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_gc()
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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_friend_from_cache(self, friend_public_key):
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if friend_public_key in self._cache:
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del self._cache[friend_public_key]
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