mirror of
https://github.com/matrix-construct/construct
synced 2024-11-12 04:51:08 +01:00
109 lines
2.7 KiB
C++
109 lines
2.7 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_RELATES_H
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namespace ircd::m
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{
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struct relates;
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struct relates_to;
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}
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struct ircd::m::relates_to
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:json::tuple
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<
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/// Target event_id
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json::property<name::event_id, json::string>,
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/// Relation type
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json::property<name::rel_type, json::string>,
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/// m.in_reply_to object
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json::property<name::m_in_reply_to, json::object>
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>
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{
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using super_type::tuple;
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using super_type::operator=;
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};
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/// Interface to the rel_type of the M_RELATES dbs::ref type
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///
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struct ircd::m::relates
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{
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using closure = util::closure_bool
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<
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std::function,
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const event::idx &, const json::object &, const m::relates_to &
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>;
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event::refs refs;
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bool match_sender {false};
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bool prefetch_depth {false};
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bool prefetch_sender {false};
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private:
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bool _each(const string_view &, const closure &, const event::idx &) const;
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public:
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bool for_each(const string_view &type, const closure &) const;
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bool for_each(const closure &) const;
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bool rfor_each(const string_view &type, const closure &) const;
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bool rfor_each(const closure &) const;
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event::idx get(const string_view &type, const uint at = 0) const;
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event::idx latest(const string_view &type, uint *const at = nullptr) const;
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bool has(const string_view &type, const event::idx &) const;
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bool has(const string_view &type) const;
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bool has(const event::idx &) const;
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size_t count(const string_view &type = {}) const;
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bool prefetch(const string_view &type = {}) const;
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};
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inline bool
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ircd::m::relates::rfor_each(const closure &closure)
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const
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{
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return rfor_each(string_view{}, closure);
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}
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inline bool
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ircd::m::relates::rfor_each(const string_view &rel_type,
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const closure &closure)
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const
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{
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return refs.rfor_each(dbs::ref::M_RELATES, [this, &rel_type, &closure]
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(const auto &event_idx, const auto &type)
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{
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return _each(rel_type, closure, event_idx);
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});
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}
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inline bool
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ircd::m::relates::for_each(const closure &closure)
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const
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{
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return for_each(string_view{}, closure);
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}
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inline bool
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ircd::m::relates::for_each(const string_view &rel_type,
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const closure &closure)
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const
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{
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return refs.for_each(dbs::ref::M_RELATES, [this, &rel_type, &closure]
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(const auto &event_idx, const auto &type)
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{
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return _each(rel_type, closure, event_idx);
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});
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}
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