Twitch.tv grilo plugin

twitch.lua

--[[
 * Copyright (C) 2015 Mattias Bengtsson
 *
 * Contact: Mattias Bengtsson <[email protected]>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
--]]

TWITCH_API = 'https://api.twitch.tv/kraken'
-- Start with just MTG streams
TWITCH_STREAMS = TWITCH_API .. '/streams?game=Magic:%20The%20Gathering&hls=true'

---------------------------
-- Source initialization --
---------------------------

source = {
  id = "grl-twitch-lua",
  name = "Twitch.tv",
  description = "A source for watching Twitch.tv",
  supported_keys = { "id", "title", "url" },
  supported_media = 'video',
  tags = { 'games', 'tv', 'net:internet' }
}

------------------
-- Source utils --
------------------

function grl_source_browse(media_id)
  if grl.get_options("skip") > 0 then
    grl.callback()
  else
    grl.fetch(TWITCH_STREAMS, "twitch_fetch_streams_cb")
  end
end

function twitch_fetch_streams_cb(data)
  local json = {}

  json = grl.lua.json.string_to_table(data)
  if not json or json.stat == "fail" or not json.streams then
    grl.callback()
    return
  end

  for index, stream in pairs(json.streams) do
    local media = create_media(stream)
    if media ~= nil then
      grl.callback(media, -1)
    end
  end

  grl.callback()
end

-------------
-- Helpers --
-------------

function create_media(stream)
  local media = {}

  media.type = "video"
  media.id = stream.channel.name
  media.title = stream.channel.display_name
    .. "\n "
    .. stream.channel.status
  media.thumbnail = stream.preview.large
  -- media.url =

  return media
end