mirror of
https://github.com/matrix-construct/construct
synced 2024-12-25 06:53:58 +01:00
153 lines
3.2 KiB
C++
153 lines
3.2 KiB
C++
// The Construct
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//
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// Copyright (C) The Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2020 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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decltype(ircd::m::user::notifications::type_prefix)
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ircd::m::user::notifications::type_prefix
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{
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"ircd.push.note"
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};
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ircd::m::user::notifications::opts
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ircd::m::user::notifications::unmake_type(const string_view &type)
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{
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const string_view &room_id
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{
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type.substr(type.find('!'))
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};
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const string_view &only
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{
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lstrip(split(type, '!').first, type_prefix)
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};
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opts ret;
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ret.only = lstrip(only, '.');
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ret.room_id = room_id? room::id{room_id} : room::id{};
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return ret;
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}
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/// valid result examples:
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///
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/// ircd.push.note.highlight!AAAANTUiY1fBZ230:zemos.net
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/// ircd.push.note.highlight
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/// ircd.push.note!AAAANTUiY1fBZ230:zemos.net
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/// ircd.push.note
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ircd::string_view
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ircd::m::user::notifications::make_type(const mutable_buffer &buf,
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const opts &opts)
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{
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return fmt::sprintf
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{
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buf, "%s%s%s%s",
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type_prefix,
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opts.only? "."_sv : string_view{},
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opts.only,
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string_view{opts.room_id},
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};
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}
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bool
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ircd::m::user::notifications::empty(const opts &opts)
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const
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{
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return !for_each(opts, closure_meta{[&]
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(const auto &, const auto &)
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{
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return false;
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}});
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}
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size_t
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ircd::m::user::notifications::count(const opts &opts)
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const
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{
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size_t ret(0);
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for_each(opts, closure_meta{[&ret]
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(const auto &, const auto &)
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{
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++ret;
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return true;
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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::notifications::for_each(const opts &opts,
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const closure &closure)
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const
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{
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return for_each(opts, closure_meta{[&closure]
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(const auto &type, const auto &event_idx)
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{
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return m::query(std::nothrow, event_idx, "content", [&closure, &event_idx]
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(const json::object &content)
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{
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return closure(event_idx, content);
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});
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}});
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}
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bool
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ircd::m::user::notifications::for_each(const opts &opts,
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const closure_meta &closure)
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const
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{
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const user::room user_room
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{
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user
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};
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char type_buf[event::TYPE_MAX_SIZE];
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const auto type
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{
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make_type(type_buf, opts)
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};
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const room::type events
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{
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user_room, type, {-1UL, -1L}, true
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};
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if(!opts.sorted || opts.room_id)
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return events.for_each([&opts, &closure]
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(const auto &type, const auto &depth, const auto &event_idx)
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{
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if(opts.from && event_idx > opts.from) //TODO: XXX
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return true;
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if(opts.to && event_idx <= opts.to) //TODO: XXX
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return false;
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return closure(type, event_idx);
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});
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std::vector<event::idx> idxs;
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idxs.reserve(events.count());
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events.for_each([&opts, &idxs]
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(const auto &type, const auto &depth, const auto &event_idx)
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{
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if(opts.from && event_idx > opts.from)
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return true;
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if(opts.to && event_idx <= opts.to)
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return true;
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idxs.emplace_back(event_idx);
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return true;
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});
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std::sort(rbegin(idxs), rend(idxs));
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for(const auto &idx : idxs)
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if(!closure(string_view{}, idx)) //NOTE: no type string to closure
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return false;
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return true;
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}
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