mirror of https://github.com/lcpz/lain.git
135 lines
5.0 KiB
Lua
135 lines
5.0 KiB
Lua
|
|
--[[
|
|
|
|
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 timeout = args.timeout or 900 -- 15 min
|
|
local timeout_forecast = args.timeout or 86400 -- 24 hrs
|
|
local current_call = "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s'"
|
|
local forecast_call = "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%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 7
|
|
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 followmouse = args.followmouse or false
|
|
local settings = args.settings or function() end
|
|
|
|
weather.widget = wibox.widget.textbox('')
|
|
weather.icon = wibox.widget.imagebox()
|
|
|
|
function weather.show(t_out)
|
|
weather.hide()
|
|
|
|
if followmouse then
|
|
notification_preset.screen = mouse.screen
|
|
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 ~= nil 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)
|
|
async.request(cmd, function(f)
|
|
weather_now, pos, err = json.decode(f, 1, nil)
|
|
|
|
if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
|
|
weather.notification_text = ''
|
|
for i = 1, weather_now["cnt"] do
|
|
day = string.gsub(read_pipe(string.format(date_cmd, weather_now["list"][i]["dt"])), "\n", "")
|
|
|
|
tmin = math.floor(weather_now["list"][i]["temp"]["min"])
|
|
tmax = math.floor(weather_now["list"][i]["temp"]["max"])
|
|
desc = weather_now["list"][i]["weather"][1]["description"]
|
|
|
|
weather.notification_text = weather.notification_text ..
|
|
string.format("<b>%s</b>: %s, %d - %d ", day, desc, tmin, tmax)
|
|
|
|
if i < weather_now["cnt"] then
|
|
weather.notification_text = weather.notification_text .. "\n"
|
|
end
|
|
end
|
|
else
|
|
weather.icon_path = icons_path .. "na.png"
|
|
weather.notification_text = "API/connection error or bad/not set city ID"
|
|
end
|
|
end)
|
|
end
|
|
|
|
function weather.update()
|
|
local cmd = string.format(current_call, city_id, units, lang)
|
|
async.request(cmd, function(f)
|
|
weather_now, pos, err = json.decode(f, 1, nil)
|
|
|
|
if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
|
|
weather.icon_path = icons_path .. weather_now["weather"][1]["icon"] .. ".png"
|
|
weather.icon:set_image(weather.icon_path)
|
|
widget = weather.widget
|
|
settings()
|
|
else
|
|
weather.widget._layout.text = " N/A " -- tries to avoid textbox bugs
|
|
weather.icon:set_image(icons_path .. "na.png")
|
|
end
|
|
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 })
|