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construct/modules/m_breadcrumbs.cc
2020-08-23 02:32:54 -07:00

131 lines
2.7 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2019 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
{
static void handle_breadcrumbs_focus_out(const event &, vm::eval &, const json::array &);
static void handle_breadcrumbs_focus_in(const event &, vm::eval &, const json::array &);
static void handle_breadcrumbs(const event &, vm::eval &);
extern hookfn<vm::eval &> hook_breadcrumbs;
}
ircd::mapi::header
IRCD_MODULE
{
"Matrix Breadcrumb Rooms"
};
decltype(ircd::m::hook_breadcrumbs)
ircd::m::hook_breadcrumbs
{
handle_breadcrumbs,
{
{ "_site", "vm.effect" },
{ "type", "ircd.account_data" },
{ "state_key", "im.vector.setting.breadcrumbs" },
},
};
void
ircd::m::handle_breadcrumbs(const event &event,
vm::eval &eval)
try
{
const m::user::id &sender
{
at<"sender"_>(event)
};
const m::user::room user_room
{
sender
};
// We only want to hook events in the user's user room.
if(at<"room_id"_>(event) != user_room.room_id)
return;
const auto &content
{
json::get<"content"_>(event)
};
const json::array &rooms
{
content.get("recent_rooms")
};
handle_breadcrumbs_focus_out(event, eval, rooms);
handle_breadcrumbs_focus_in(event, eval, rooms);
}
catch(const ctx::interrupted &)
{
throw;
}
catch(const std::exception &e)
{
log::error
{
m::log, "breadcrumbs hook :%s",
e.what(),
};
}
void
ircd::m::handle_breadcrumbs_focus_in(const event &event,
vm::eval &eval,
const json::array &rooms)
{
const room::id &focus_in
{
valid(id::ROOM, json::string{rooms[0]})?
room::id{json::string{rooms[0]}}:
room::id{}
};
if(!focus_in)
return;
const size_t prefetched
{
m::room::events::prefetch_viewport(focus_in)
};
log::debug
{
m::log, "Prefetched %zu recent events to focus %s for %s",
prefetched,
string_view{focus_in},
at<"sender"_>(event),
};
}
void
ircd::m::handle_breadcrumbs_focus_out(const event &event,
vm::eval &eval,
const json::array &rooms)
{
const room::id &focus_out
{
valid(id::ROOM, json::string{rooms[1]})?
room::id{json::string{rooms[1]}}:
room::id{}
};
if(!focus_out)
return;
log::debug
{
m::log, "%s for %s out of focus",
string_view{focus_out},
at<"sender"_>(event),
};
}