do function get_last_id() local res,code = https.request("http://xkcd.com/info.0.json") if code ~= 200 then return "HTTP ERROR" end local data = json:decode(res) return data.num end function get_xkcd(id) local res,code = http.request("http://xkcd.com/"..id.."/info.0.json") if code ~= 200 then return "HTTP ERROR" end local data = json:decode(res) local link_image = data.img if link_image:sub(0,2) == '//' then link_image = msg.text:sub(3,-1) end return link_image, data.title, data.alt end function get_xkcd_random() local last = get_last_id() local i = math.random(1, last) return get_xkcd(i) end function send_title(cb_extra, success, result) if success then local message = cb_extra[2] .. "\n" .. cb_extra[3] send_msg(cb_extra[1], message, ok_cb, false) end end function run(msg, matches) local receiver = get_receiver(msg) if matches[1] == "/xkcd" then url, title, alt = get_xkcd_random() else url, title, alt = get_xkcd(matches[1]) end file_path = download_to_file(url) send_photo(receiver, file_path, send_title, {receiver, title, alt}) return false end return { description = "Sendet Comics von xkcd", usage = {"/xkcd"}, patterns = {"^/xkcd$","^/xkcd (%d+)","xkcd.com/(%d+)"}, run = run } end