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construct/include/ircd/m/rooms.h
2020-02-28 20:19:42 -08:00

88 lines
2.9 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_M_ROOMS_H
/// Convenience iterface for rooms; utilities for the server's collection of
/// rooms and some rooms list related linkages.
///
namespace ircd::m::rooms
{
struct opts extern const opts_default;
// Iterate the rooms
bool for_each(const opts &, const room::id::closure_bool &);
bool for_each(const room::id::closure_bool &);
// tools
size_t count(const opts & = opts_default);
bool has(const opts & = opts_default);
// util
void dump__file(const opts &, const string_view &filename);
}
/// Arguments structure to rooms::for_each(). This reduces the API surface to
/// handle a rich set of ways to iterate over the rooms.
struct ircd::m::rooms::opts
{
/// A full or partial room_id can be defined; partial is only valid if
/// lower_bound is true.
string_view room_id;
/// Set a string for the join_rule; undefined matches all. For example,
/// if set to "join" then the iteration can list public rooms.
string_view join_rule;
/// Set a string to localize query to a single server
string_view server;
/// Room alias prefix search
string_view room_alias;
/// user::rooms convenience
id::user user_id;
/// Filters results to those that have a public rooms list summary
bool summary {false};
/// Indicates if the interface treats the room_id specified as a lower
/// bound rather than exact match. This means an iteration will start
/// at the same or next key, and continue indefinitely. By false default,
/// when a room_id is given a for_each() will have 0 or 1 iterations.
bool lower_bound {false};
/// If set to true, results are limited to rooms where no other server
/// is a member of the room. No memberships even those in the leave state
/// originated from another server.
bool local_only {false};
/// If set to true, the results are filtered to those rooms which have a
/// member from anoher server. Note that member may be in the leave state.
bool remote_only {false};
/// If set to true, rooms which have no members from this server presently
/// in the join state are filtered from the results.
bool local_joined_only {false};
/// If set to true, rooms where no other server has a presently joined user
/// are filtered from the results.
bool remote_joined_only {false};
/// Spec search term
string_view search_term;
/// Specify prefetching to increase iteration performance.
size_t prefetch {0};
opts() = default;
opts(const string_view &search_term) noexcept; // special
};