def members(self, identifier: ID) -> Optional[List[ID]]:
# check for broadcast
if identifier.is_broadcast:
# members of broadcast group
name = identifier.name
if name is None:
length = 0
else:
length = len(name)
if length == 0 or (length == 8 and name == 'everyone'):
# Consensus: the member of group 'everyone@everywhere'
# 'anyone@anywhere'
member = ANYONE
owner = ANYONE
else:
# DISCUSS: who should be the member of group 'xxx@everywhere'?
# 'anyone@anywhere', or 'xxx.member@anywhere'
member = name + '.member@anywhere'
owner = name + '.owner@anywhere'
member = ID.parse(identifier=member)
owner = ID.parse(identifier=owner)
if member == owner:
return [owner]
else:
return [owner, member]
def _broadcast_members(self, identifier: ID) -> List[ID]:
name = self.__id_name(identifier=identifier)
if name is None:
# Consensus: the member of group 'everyone@everywhere'
# 'anyone@anywhere'
return [ANYONE]
else:
# DISCUSS: who should be the member of group 'xxx@everywhere'?
# 'anyone@anywhere', or 'xxx.member@anywhere'
owner = ID.parse(identifier=name + '.owner@anywhere')
member = ID.parse(identifier=name + '.member@anywhere')
return [owner, member]
def _broadcast_owner(self, identifier: ID) -> Optional[ID]:
name = self.__id_name(identifier=identifier)
if name is None:
# Consensus: the owner of group 'everyone@everywhere'
# 'anyone@anywhere'
return ANYONE
else:
# DISCUSS: who should be the owner of group 'xxx@everywhere'?
# 'anyone@anywhere', or 'xxx.owner@anywhere'
return ID.parse(identifier=name + '.owner@anywhere')
def _broadcast_founder(self, identifier: ID) -> Optional[ID]:
name = self.__id_name(identifier=identifier)
if name is None:
# Consensus: the founder of group 'everyone@everywhere'
# 'Albert Moky'
return FOUNDER
else:
# DISCUSS: who should be the founder of group 'xxx@everywhere'?
# 'anyone@anywhere', or 'xxx.founder@anywhere'
return ID.parse(identifier=name + '.founder@anywhere')
def owner(self, identifier: ID) -> Optional[ID]:
# check for broadcast
if identifier.is_broadcast:
# owner of broadcast group
name = identifier.name
if name is None:
length = 0
else:
length = len(name)
if length == 0 or (length == 8 and name == 'everyone'):
# Consensus: the owner of group 'everyone@everywhere'
# 'anyone@anywhere'
owner = ANYONE
else:
# DISCUSS: who should be the owner of group 'xxx@everywhere'?
# 'anyone@anywhere', or 'xxx.owner@anywhere'
owner = name + '.owner@anywhere'
return ID.parse(identifier=owner)
# check group type
if identifier.type == NetworkType.POLYLOGUE:
# Polylogue's owner is its founder
return self.founder(identifier=identifier)
def founder(self, identifier: ID) -> Optional[ID]:
# check for broadcast
if identifier.is_broadcast:
# founder of broadcast group
name = identifier.name
if name is None:
length = 0
else:
length = len(name)
if length == 0 or (length == 8 and name == 'everyone'):
# Consensus: the founder of group 'everyone@everywhere'
# 'Albert Moky'
founder = 'moky@anywhere'
else:
# DISCUSS: who should be the founder of group 'xxx@everywhere'?
# 'anyone@anywhere', or 'xxx.founder@anywhere'
founder = name + '.founder@anywhere'
return ID.parse(identifier=founder)
# check group meta
g_meta = self.meta(identifier=identifier)
if g_meta is None:
# FIXME: when group profile was arrived but the meta still on the way,
# here will cause founder not found
return None
# check each member's public key with group meta
members = self.members(identifier=identifier)
if members is not None:
for item in members:
u_meta = self.meta(identifier=item)
if u_meta is None:
# failed to get member's meta
continue
if g_meta.match_key(key=u_meta.key):
# if the member's public key matches with the group's meta,
# it means this meta was generated by the member's private key
return item
def identifier(self) -> ID:
return ID.parse(identifier=self.get('ID'))
def members(self, value: List[ID]):
if value is None:
self.pop('members', None)
else:
self['members'] = ID.revert(members=value)
def members(self) -> Optional[List[ID]]:
array = self.get('members')
if array is not None:
# convert all items to ID objects
return ID.convert(members=array)
def member(self) -> Optional[ID]:
return ID.parse(identifier=self.get('member'))
def envelope_group(envelope: dict) -> Optional[ID]:
group = envelope.get('group')
if group is not None:
return ID.parse(identifier=group)
def envelope_receiver(envelope: dict) -> ID:
return ID.parse(identifier=envelope.get('receiver'))
def envelope_sender(envelope: dict) -> ID:
return ID.parse(identifier=envelope.get('sender'))
def content_group(content: dict) -> Optional[ID]:
group = content.get('group')
if group is not None:
return ID.parse(identifier=group)