From: aaron-lebo Date: Mon, 10 Feb 2014 09:02:14 +0000 (-0600) Subject: Create acw.lua X-Git-Url: https://git.madduck.net/etc/awesome.git/commitdiff_plain/5b67a36d52c9d5a8f925ca4d0c02094894198e77 Create acw.lua --- diff --git a/widgets/contrib/acw.lua b/widgets/contrib/acw.lua new file mode 100644 index 0000000..0c3ae3f --- /dev/null +++ b/widgets/contrib/acw.lua @@ -0,0 +1,69 @@ +-[[ + + Licensed under GNU General Public License v2 + * (c) 2014, Aaron Lebo + +--]] + +local newtimer = require("lain.helpers").newtimer +local wibox = require("wibox") +local json = require("dkjson") + +-- acw (awesome crypto widget) +-- diplays BTC/USD and DOGE/USD using Coinbase and Cryptsy APIs +-- requires http://dkolf.de/src/dkjson-lua.fsl/home +-- based upon http://awesome.naquadah.org/wiki/Bitcoin_Price_Widget +-- lain.widgets.contrib.acw + +acw = {widget=wibox.widget.textbox('')} + +local function get(url) + f = io.popen('curl -m 5 -s "' .. url .. '"') + if (not f) then return 0 end + return f:read("*all") +end + +local function parse(j) + local obj, pos, err = json.decode (j, 1, nil) + if err thenfunction worker(args) + return nil + else + return obj + end +end + +function worker(args) + local args = args or {} + local timeout = args.timeout or 600 + local settings = args.settings or function() end + + + local function update() + btc = parse(get("https://coinbase.com/api/v1/prices/buy")) + if btc then + btc = tonumber(btc["subtotal"]["amount"]) + btc_display = "$" .. btc + else + btc_display = "N/A" + end + doge = parse(get("http://pubapi.cryptsy.com/api.php?method=singlemarketdata&marketid=132")) + if doge and btc then + doge = tonumber(doge["return"]["markets"]["DOGE"]["lasttradeprice"]) + doge_display = string.format("$%.4f", btc * doge) + else + doge_display = "N/A" + end + prices = btc_display .. " " .. doge_display + prices_now = {} + prices_now.prices = prices + + widget = acw.widget + settings() + end + + newtimer("acw", timeout, update) + + return acw.widget +end + +return setmetatable(acw, { __call = function(_, ...) return worker(...) end })