mirror of
https://github.com/matrix-construct/construct
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114 lines
4.2 KiB
C++
114 lines
4.2 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_M_ROOM_ROOM_H
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/// Interface to a room.
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///
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/// This is a lightweight object which uses a room_id and an optional event_id
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/// to provide an interface to a matrix room. This object itself isn't the
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/// actual room data since that takes the form of events in the database;
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/// this is just a handle with aforementioned string_view's used by its member
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/// functions.
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///
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/// This object allows the programmer to represent the room either at its
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/// present state, or if an event_id is given, at the point of that event.
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///
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/// Many convenience functions are provided outside of this class.
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/// Additionally, several sub-classes provide functionality even more specific
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/// than this interface too. If a subclass is provided, for example:
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/// `struct members`, such an interface may employ optimized tactics for its
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/// specific task.
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///
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struct ircd::m::room
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{
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struct messages;
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struct state;
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struct members;
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struct origins;
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struct head;
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struct power;
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using id = m::id::room;
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using alias = m::id::room_alias;
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using closure = std::function<void (const room &)>;
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using closure_bool = std::function<bool (const room &)>;
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id room_id;
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event::id event_id;
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const vm::copts *copts {nullptr};
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const event::fetch::opts *fopts {nullptr};
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operator const id &() const;
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// Convenience passthru to room::messages (linear query; newest first)
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bool for_each(const string_view &type, const event::closure_idx_bool &) const;
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void for_each(const string_view &type, const event::closure_idx &) const;
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bool for_each(const string_view &type, const event::id::closure_bool &) const;
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void for_each(const string_view &type, const event::id::closure &) const;
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bool for_each(const string_view &type, const event::closure_bool &) const;
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void for_each(const string_view &type, const event::closure &) const;
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bool for_each(const event::closure_idx_bool &) const;
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void for_each(const event::closure_idx &) const;
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bool for_each(const event::id::closure_bool &) const;
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void for_each(const event::id::closure &) const;
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bool for_each(const event::closure_bool &) const;
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void for_each(const event::closure &) const;
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// Convenience passthru to room::state (logarithmic query)
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bool has(const string_view &type, const string_view &state_key) const;
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bool get(std::nothrow_t, const string_view &type, const string_view &state_key, const event::closure &) const;
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void get(const string_view &type, const string_view &state_key, const event::closure &) const;
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// Convenience passthru to room::messages (linear query)
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bool has(const string_view &type) const;
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bool get(std::nothrow_t, const string_view &type, const event::closure &) const;
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void get(const string_view &type, const event::closure &) const;
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// misc / convenience utils
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bool membership(const m::id::user &, const string_view &membership = "join") const;
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string_view membership(const mutable_buffer &out, const m::id::user &) const;
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bool visible(const string_view &mxid, const m::event *const & = nullptr) const;
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string_view join_rule(const mutable_buffer &out) const;
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bool join_rule(const string_view &rule) const;
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bool lonly() const;
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room(const id &room_id,
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const string_view &event_id,
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const vm::copts *const &copts = nullptr,
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const event::fetch::opts *const &fopts = nullptr)
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:room_id{room_id}
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,event_id{event_id? event::id{event_id} : event::id{}}
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,copts{copts}
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,fopts{fopts}
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{}
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room(const id &room_id,
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const vm::copts *const &copts = nullptr,
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const event::fetch::opts *const &fopts = nullptr)
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:room_id{room_id}
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,copts{copts}
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,fopts{fopts}
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{}
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room() = default;
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// Index of create event
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static event::idx index(const id &, std::nothrow_t);
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static event::idx index(const id &);
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};
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inline ircd::m::room::operator
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const ircd::m::room::id &()
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const
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{
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return room_id;
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}
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