119 lines
2.2 KiB
C++
119 lines
2.2 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) 2016-2019 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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bool
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ircd::m::user::rooms::prefetch()
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const
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{
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const m::events::state::tuple query
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{
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user,
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"m.room.member"_sv,
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m::room::id{},
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-1L,
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0UL
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};
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bool ret{false};
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return m::events::state::for_each(query, [this, &ret]
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(const auto &tuple)
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{
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const auto &[state_key, type, room_id, depth, event_idx]
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{
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tuple
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};
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assert(type == "m.room.member");
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assert(state_key == user);
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ret |= m::membership_prefetch(event_idx);
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return true;
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});
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return ret;
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}
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size_t
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ircd::m::user::rooms::count()
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const
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{
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size_t ret{0};
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for_each([&ret]
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(const m::room &, const string_view &membership) noexcept
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{
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++ret;
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});
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return ret;
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}
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size_t
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ircd::m::user::rooms::count(const string_view &membership)
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const
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{
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size_t ret{0};
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for_each(membership, [&ret]
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(const m::room &, const string_view &membership) noexcept
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{
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++ret;
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});
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return ret;
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}
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bool
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ircd::m::user::rooms::for_each(const closure_bool &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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bool
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ircd::m::user::rooms::for_each(const string_view &membership_,
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const closure_bool &closure)
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const
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{
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const m::events::state::tuple query
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{
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user,
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"m.room.member"_sv,
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m::room::id{},
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-1L,
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0UL
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};
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m::room::id::buf room_id_;
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return m::events::state::for_each(query, [this, &membership_, &closure, &room_id_]
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(const auto &tuple)
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{
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const auto &[state_key, type, room_id, depth, event_idx]
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{
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tuple
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};
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assert(type == "m.room.member");
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assert(state_key == user);
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if(room_id_ != room_id)
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room_id_ = room_id;
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else
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return true;
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char buf[m::room::MEMBERSHIP_MAX_SIZE];
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const string_view &membership
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{
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m::membership(buf, event_idx)
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};
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if(likely(!membership_ || membership == membership_))
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return closure(m::room::id(room_id), membership);
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return true;
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});
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}
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