161 lines
6.8 KiB
Lua
161 lines
6.8 KiB
Lua
|
--[[
|
||
|
|
|
||
|
|
Licensed under GNU General Public License v2
|
||
|
|
* (c) 2015, Luca CPZ
|
||
|
|
|
||
|
|
--]]
|
||
|
|
|
||
|
|
local helpers = require("lain.helpers")
|
||
|
|
local json = require("lain.util").dkjson
|
||
|
|
local focused = require("awful.screen").focused
|
||
|
|
local naughty = require("naughty")
|
||
|
|
local wibox = require("wibox")
|
||
|
|
local math = math
|
||
|
|
local os = os
|
||
|
|
local string = string
|
||
|
|
local tonumber = tonumber
|
||
|
|
|
||
|
|
-- OpenWeatherMap
|
||
|
|
-- current weather and X-days forecast
|
||
|
|
-- lain.widget.weather
|
||
|
|
|
||
|
|
local function factory(args)
|
||
|
|
local weather = { widget = wibox.widget.textbox() }
|
||
|
|
local args = args or {}
|
||
|
|
local APPID = args.APPID or "3e321f9414eaedbfab34983bda77a66e" -- lain's default
|
||
|
|
local timeout = args.timeout or 60 * 15 -- 15 min
|
||
|
|
local timeout_forecast = args.timeout or 60 * 60 * 24 -- 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 helpers.icons_dir .. "openweathermap/"
|
||
|
|
local notification_preset = args.notification_preset or {}
|
||
|
|
local notification_text_fun = args.notification_text_fun or
|
||
|
|
function (wn)
|
||
|
|
local day = os.date("%a %d", wn["dt"])
|
||
|
|
local tmin = math.floor(wn["temp"]["min"])
|
||
|
|
local tmax = math.floor(wn["temp"]["max"])
|
||
|
|
local desc = wn["weather"][1]["description"]
|
||
|
|
return string.format("<b>%s</b>: %s, %d - %d ", day, desc, tmin, tmax)
|
||
|
|
end
|
||
|
|
local weather_na_markup = args.weather_na_markup or " N/A "
|
||
|
|
local followtag = args.followtag or false
|
||
|
|
local showpopup = args.showpopup or "on"
|
||
|
|
local settings = args.settings or function() end
|
||
|
|
|
||
|
|
weather.widget:set_markup(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 followtag then
|
||
|
|
notification_preset.screen = focused()
|
||
|
|
end
|
||
|
|
|
||
|
|
if not weather.notification_text then
|
||
|
|
weather.update()
|
||
|
|
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)
|
||
|
|
helpers.async(cmd, function(f)
|
||
|
|
local pos, err
|
||
|
|
weather_now, pos, err = json.decode(f, 1, nil)
|
||
|
|
|
||
|
|
if not err and type(weather_now) == "table" 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)
|
||
|
|
helpers.async(cmd, function(f)
|
||
|
|
local pos, err, icon
|
||
|
|
weather_now, pos, err = json.decode(f, 1, nil)
|
||
|
|
|
||
|
|
if not err and type(weather_now) == "table" and tonumber(weather_now["cod"]) == 200 then
|
||
|
|
local sunrise = tonumber(weather_now["sys"]["sunrise"])
|
||
|
|
local sunset = tonumber(weather_now["sys"]["sunset"])
|
||
|
|
local icon = weather_now["weather"][1]["icon"]
|
||
|
|
local loc_now = os.time() -- local time
|
||
|
|
local loc_m = os.time { year = os.date("%Y"), month = os.date("%m"), day = os.date("%d"), hour = 0 } -- local time from midnight
|
||
|
|
local loc_d = os.date("*t", loc_now) -- table YMDHMS for current local time (for TZ calculation)
|
||
|
|
local utc_d = os.date("!*t", loc_now) -- table YMDHMS for current UTC time
|
||
|
|
local utc_now = os.time(utc_d) -- UTC time now
|
||
|
|
local offdt = (loc_d.isdst and 1 or 0) * 3600 + 100 * (loc_d.min - utc_d.min) / 60 -- DST offset
|
||
|
|
local offset = os.difftime(loc_now, utc_now) + (loc_d.isdst and 1 or 0) * 3600 + 100 * (loc_d.min - utc_d.min) / 60 -- TZ offset (including DST)
|
||
|
|
local offday = (offset < 0 and -86400) or 86400 -- 24 hour correction value (+86400 or -86400)
|
||
|
|
|
||
|
|
-- if current UTC time is earlier then local midnight -> positive offset (negative otherwise)
|
||
|
|
if offset * (loc_m - utc_now + offdt) > 0 then
|
||
|
|
sunrise = sunrise + offday -- Shift sunset and sunrise times by 24 hours
|
||
|
|
sunset = sunset + offday
|
||
|
|
end
|
||
|
|
|
||
|
|
if sunrise <= loc_now and loc_now <= sunset then
|
||
|
|
icon = string.gsub(icon, "n", "d")
|
||
|
|
else
|
||
|
|
icon = string.gsub(icon, "d", "n")
|
||
|
|
end
|
||
|
|
|
||
|
|
weather.icon_path = icons_path .. icon .. ".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
|
||
|
|
|
||
|
|
if showpopup == "on" then weather.attach(weather.widget) end
|
||
|
|
|
||
|
|
weather.timer = helpers.newtimer("weather-" .. city_id, timeout, weather.update, false, true)
|
||
|
|
weather.timer_forecast = helpers.newtimer("weather_forecast-" .. city_id, timeout, weather.forecast_update, false, true)
|
||
|
|
|
||
|
|
return weather
|
||
|
|
end
|
||
|
|
|
||
|
|
return factory
|