--[[ Licensed under GNU General Public License v2 * (c) 2015, Luke Bonham --]] local newtimer = require("lain.helpers").newtimer local read_pipe = require("lain.helpers").read_pipe local async = require("lain.asyncshell") local json = require("lain.util").dkjson local lain_icons = require("lain.helpers").icons_dir local naughty = require("naughty") local wibox = require("wibox") local math = { floor = math.floor } local mouse = mouse local string = { format = string.format, gsub = string.gsub } local setmetatable = setmetatable -- OpenWeatherMap -- current weather and X-days forecast -- lain.widgets.weather local function worker(args) local weather = {} local args = args or {} local APPID = args.APPID or "3e321f9414eaedbfab34983bda77a66e" -- lain default local timeout = args.timeout or 900 -- 15 min local timeout_forecast = args.timeout or 86400 -- 24 hrs local current_call = args.current_call or "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s&APPID=%s'" local forecast_call = args.forecast_call or "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%s&APPID=%s'" local city_id = args.city_id or 0 -- placeholder local units = args.units or "metric" local lang = args.lang or "en" local cnt = args.cnt or 5 local date_cmd = args.date_cmd or "date -u -d @%d +'%%a %%d'" local icons_path = args.icons_path or lain_icons .. "openweathermap/" local notification_preset = args.notification_preset or {} local notification_text_fun = args.notification_text_fun or function (wn) local day = string.gsub(read_pipe(string.format(date_cmd, wn["dt"])), "\n", "") local tmin = math.floor(wn["temp"]["min"]) local tmax = math.floor(wn["temp"]["max"]) local desc = wn["weather"][1]["description"] return string.format("%s: %s, %d - %d ", day, desc, tmin, tmax) end local weather_na_markup = args.weather_na_markup or " N/A " local followmouse = args.followmouse or false local settings = args.settings or function() end weather.widget = wibox.widget.textbox(weather_na_markup) weather.icon_path = icons_path .. "na.png" weather.icon = wibox.widget.imagebox(weather.icon_path) function weather.show(t_out) weather.hide() if followmouse then notification_preset.screen = mouse.screen end if not weather.notification_text then weather.forecast_update() end weather.notification = naughty.notify({ text = weather.notification_text, icon = weather.icon_path, timeout = t_out, preset = notification_preset }) end function weather.hide() if weather.notification then naughty.destroy(weather.notification) weather.notification = nil end end function weather.attach(obj) obj:connect_signal("mouse::enter", function() weather.show(0) end) obj:connect_signal("mouse::leave", function() weather.hide() end) end function weather.forecast_update() local cmd = string.format(forecast_call, city_id, units, lang, cnt, APPID) async.request(cmd, function(f) local pos, err weather_now, pos, err = json.decode(f, 1, nil) if not err and weather_now and tonumber(weather_now["cod"]) == 200 then weather.notification_text = '' for i = 1, weather_now["cnt"] do weather.notification_text = weather.notification_text .. notification_text_fun(weather_now["list"][i]) if i < weather_now["cnt"] then weather.notification_text = weather.notification_text .. "\n" end end end end) end function weather.update() local cmd = string.format(current_call, city_id, units, lang, APPID) async.request(cmd, function(f) local pos, err, sunrise, sunset, current_dt, datetime, icon weather_now, pos, err = json.decode(f, 1, nil) if not err and weather_now and tonumber(weather_now["cod"]) == 200 then current_dt = os.time() sunrise = weather_now["sys"]["sunrise"] sunset = weather_now["sys"]["sunset"] if current_dt > sunrise and current_dt < sunset then datetime="d" else datetime="n" end icon = weather_now["weather"][1]["icon"] weather.icon_path = icons_path .. icon:sub(1,2) .. datetime .. ".png" widget = weather.widget settings() else weather.icon_path = icons_path .. "na.png" weather.widget:set_markup(weather_na_markup) end weather.icon:set_image(weather.icon_path) end) end weather.attach(weather.widget) newtimer("weather-" .. city_id, timeout, weather.update) newtimer("weather_forecast-" .. city_id, timeout, weather.forecast_update) return setmetatable(weather, { __index = weather.widget }) end return setmetatable({}, { __call = function(_, ...) return worker(...) end })