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construct/modules/client/sync/to_device.cc

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// 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.
namespace ircd::m::sync
{
static void _to_device_append(data &, const json::object &, json::stack::array &);
static bool to_device_polylog(data &);
static bool to_device_linear(data &);
extern item to_device;
}
ircd::mapi::header
IRCD_MODULE
{
"Client Sync :To Device"
};
decltype(ircd::m::sync::to_device)
ircd::m::sync::to_device
{
"to_device",
to_device_polylog,
to_device_linear
};
bool
ircd::m::sync::to_device_linear(data &data)
{
if(!data.event_idx)
return false;
assert(data.event);
const m::event &event{*data.event};
if(json::get<"room_id"_>(event) != data.user_room.room_id)
return false;
if(json::get<"type"_>(event) != "ircd.to_device")
return false;
const json::object &content
{
json::get<"content"_>(event)
};
const json::string &device_id
{
content.at("device_id")
};
if(device_id != "*" && device_id != data.device_id)
return false;
json::stack::object to_device
{
*data.out, "to_device"
};
json::stack::array array
{
to_device, "events"
};
_to_device_append(data, content, array);
return true;
}
bool
ircd::m::sync::to_device_polylog(data &data)
{
json::stack::array array
{
*data.out, "events"
};
m::room::type events
{
data.user_room, "ircd.to_device",
{
-1UL, data.range.first
}
};
bool ret{false};
events.for_each([&data, &array, &ret]
(const string_view &type, const uint64_t &depth, const event::idx &event_idx)
{
m::get(std::nothrow, event_idx, "content", [&data, &array, &ret]
(const json::object &content)
{
const json::string &device_id
{
content.at("device_id")
};
if(device_id != "*" && device_id != data.device_id)
return;
_to_device_append(data, content, array);
ret = true;
});
return true;
});
return ret;
}
void
ircd::m::sync::_to_device_append(data &data,
const json::object &content,
json::stack::array &array)
{
json::stack::object event
{
array
};
json::stack::member
{
event, "sender", json::string
{
content.at("sender")
}
};
json::stack::member
{
event, "type", json::string
{
content.at("type")
}
};
json::stack::member
{
event, "content", json::object
{
content.at("content")
}
};
}