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ircd:Ⓜ️:room: Redefine and expand the local_only(room) suite.

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This commit is contained in:
Jason Volk 2019-09-07 16:06:45 -07:00
parent 7c01d9e77a
commit f186fb6e12
2 changed files with 41 additions and 6 deletions
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2
include/ircd/m/room/room.h
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@ -35,6 +35,8 @@ namespace ircd::m
bool membership(const room &, const id::user &, const string_view & = "join");
bool join_rule(const room &, const string_view &rule);
bool visible(const room &, const string_view &mxid, const m::event *const & = nullptr);
bool remote_joined(const room &);
bool local_joined(const room &);
bool local_only(const room &);
// [GET] Convenience and tools

45
ircd/m_room.cc
View file

@ -1029,20 +1029,53 @@ ircd::m::creator(const id::room &room_id)
// boolean suite
//
/// The only joined members are from our origin (local only). This indicates
/// we won't have any other federation servers to query for room data, nor do
/// we need to broadcast events to the federation. This is not an authority
/// about a room's type or ability to federate. Returned value changes to false
/// when another origin joins.
/// The only members are from our origin, in any membership state. This
/// indicates we won't have any other federation servers that could possibly
/// be party to anything about this room.
bool
ircd::m::local_only(const room &room)
{
const room::members members
{
room
};
return members.for_each([&ret]
(const id::user &user_id)
{
return my(user_id);
});
}
/// Member(s) from our server are presently joined to the room. Returns false
/// if there's a room on the server where all of our users have left. Note that
/// some internal rooms have no memberships at all and this will also be false.
/// This can return true if other servers have memberships in the room too, as
/// long as one of our users is joined.
bool
ircd::m::local_joined(const room &room)
{
const room::origins origins
{
room
};
return origins.empty() || origins.only(my_host());
return !origins.empty() && origins.has(my_host());
}
/// Member(s) from another server are presently joined to the room. For example
/// if another user leaves a PM with our user who is still joined, this returns
/// false. This can return true even if the room has no memberships in any
/// state from our server, as long as there's a joined member from a remote.
bool
ircd::m::remote_joined(const room &room)
{
const room::origins origins
{
room
};
return !origins.empty() && !origins.only(my_host());
}
bool