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construct/modules/client/rooms/receipt.cc

105 lines
2.9 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#include "rooms.h"
using namespace ircd;
void
handle_receipt_m_read(client &client,
const resource::request &request,
const m::room::id &room_id,
const m::event::id &event_id);
resource::response
post__receipt(client &client,
const resource::request &request,
const m::room::id &room_id)
{
if(request.parv.size() < 3)
throw m::NEED_MORE_PARAMS
{
"receipt type required"
};
const string_view &receipt_type
{
request.parv[2]
};
if(receipt_type == "m.read")
{
if(request.parv.size() < 4)
throw m::NEED_MORE_PARAMS
{
"event_id required"
};
m::event::id::buf event_id
{
url::decode(event_id, request.parv[3])
};
handle_receipt_m_read(client, request, room_id, event_id);
}
else throw m::UNSUPPORTED
{
"Sorry, receipt type '%s' is not supported here.",
receipt_type
};
return resource::response
{
client, http::OK
};
}
void
handle_receipt_m_read(client &client,
const resource::request &request,
const m::room::id &room_id,
const m::event::id &event_id)
{
// Check if event_id is more recent than the last receipt's event_id.
// We currently don't do anything with receipts targeting the past.
if(!m::receipt::freshest(room_id, request.user_id, event_id))
return;
const bool ignoring
{
// Check if user wants to prevent sending receipts to this room.
m::receipt::ignoring(request.user_id, room_id)
// Check if user wants to prevent based on this event's specifics.
|| m::receipt::ignoring(request.user_id, event_id)
};
// The options object starts with anything in the request content, which
// differs depending on whether this is being called from a /receipt or
// /read_markers resource handler. The receipt::read() implementation
// looks for properties knowing this call pattern, thus it's best to just
// convey the whole content here for forward compat.
json::object options
{
request
};
// Ignoring still involves creating a receipt in all respects except
// transmitting it to local and remote parties. This behavior is achieved
// by the m.hidden tag. If the options do not contain this tag we add it.
std::string options_buf;
if(ignoring && !options.get("m.hidden", false))
{
options_buf = json::insert(options, {"m.hidden", true});
options = options_buf;
}
m::receipt::read(room_id, request.user_id, event_id, options);
}