105 lines
2.0 KiB
C++
105 lines
2.0 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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bool
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ircd::m::cached(const id::event &event_id)
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{
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return cached(event_id, event::fetch::default_opts);
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}
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bool
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ircd::m::cached(const id::event &event_id,
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const event::fetch::opts &opts)
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{
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if(!db::cached(dbs::event_idx, event_id, opts.gopts))
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return false;
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const event::idx event_idx
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{
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index(std::nothrow, event_id)
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};
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return event_idx?
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cached(event_idx, opts.gopts):
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false;
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}
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bool
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ircd::m::cached(const event::idx &event_idx)
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{
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return cached(event_idx, event::fetch::default_opts);
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}
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bool
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ircd::m::cached(const event::idx &event_idx,
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const event::fetch::opts &opts)
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{
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const byte_view<string_view> &key
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{
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event_idx
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};
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if(event::fetch::should_seek_json(opts))
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return db::cached(dbs::event_json, key, opts.gopts);
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const auto &selection
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{
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opts.keys
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};
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const auto result
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{
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cached_keys(event_idx, opts)
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};
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for(size_t i(0); i < selection.size(); ++i)
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{
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auto &column
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{
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dbs::event_column.at(i)
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};
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if(column && selection.test(i) && !result.test(i))
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{
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if(!db::has(column, key, opts.gopts))
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continue;
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return false;
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}
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}
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return true;
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}
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ircd::m::event::keys::selection
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ircd::m::cached_keys(const event::idx &event_idx,
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const event::fetch::opts &opts)
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{
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const byte_view<string_view> &key
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{
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event_idx
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};
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event::keys::selection ret(0);
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const event::keys::selection &selection(opts.keys);
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for(size_t i(0); i < selection.size(); ++i)
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{
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auto &column
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{
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dbs::event_column.at(i)
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};
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if(column && db::cached(column, key, opts.gopts))
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ret.set(i);
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}
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return ret;
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}
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