mirror of
https://github.com/matrix-construct/construct
synced 2024-06-02 01:59:33 +02:00
103 lines
2.2 KiB
C++
103 lines
2.2 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) 2016-2022 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::room::messages::fopts)
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ircd::m::room::messages::fopts
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{
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event::keys::include
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{
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"content",
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},
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};
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bool
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ircd::m::room::messages::for_each(const closure &closure)
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const
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{
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event::fetch event
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{
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fopts
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};
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return events.for_each([this, &closure, &event]
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(const string_view &type, const uint64_t &depth, event::idx event_idx)
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{
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assert(type == "m.room.message");
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if(redacted(event_idx))
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return true;
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if(!seek(std::nothrow, event, event_idx))
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return true;
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room::message msg
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{
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json::get<"content"_>(event)
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};
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// Don't show messages which edit other messages, since we will or
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// already have rendered it at the edited message, if we have it,
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// otherwise ignored.
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if(msg.replace_event())
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return true;
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// If the content was replaced msg has to be updated.
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if(m_replace(event, event_idx))
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msg = json::get<"content"_>(event);
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return closure(msg, depth, event_idx);
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});
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}
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bool
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ircd::m::room::messages::m_replace(event &event,
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const event::idx &event_idx)
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const
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{
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// Find the latest edit of this; otherwise stick with the original.
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const m::relates relates
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{
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.refs = event_idx,
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.match_sender = true,
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};
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const event::idx replace_idx
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{
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relates.latest("m.replace")
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};
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if(!replace_idx)
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return false;
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const event::fetch replace
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{
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std::nothrow, replace_idx, fopts
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};
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if(!replace.valid)
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return false;
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const json::object replace_content
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{
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json::get<"content"_>(replace)
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};
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const json::object new_content
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{
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replace_content.get("m.new_content")
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};
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// XXX When m.new_content is undefined the edit does not take place.
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if(!new_content && !replace_content.has("m.new_content"))
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return false;
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json::get<"content"_>(event) = new_content;
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return true;
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}
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