152 lines
4.4 KiB
Lua
152 lines
4.4 KiB
Lua
--[[
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Licensed under GNU General Public License v2
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* (c) 2015, Luca CPZ
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--]]
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local helpers = require('lain.helpers')
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local json = require('lain.util').dkjson
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local focused = require('awful.screen').focused
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local naughty = require('naughty')
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local wibox = require('wibox')
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local math = math
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local os = os
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local string = string
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local type = type
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local tonumber = tonumber
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-- OpenWeatherMap
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-- current weather and X-days forecast
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-- lain.widget.weather
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local function factory(args)
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args = args or {}
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local weather = { widget = args.widget or wibox.widget.textbox() }
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local APPID = args.APPID -- mandatory
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local timeout = args.timeout or 60 * 15 -- 15 min
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local current_call = args.current_call
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or "curl -s 'https://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s&APPID=%s'"
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local forecast_call = args.forecast_call
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or "curl -s 'https://api.openweathermap.org/data/2.5/forecast?id=%s&units=%s&lang=%s&APPID=%s'"
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local city_id = args.city_id or 0 -- placeholder
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local units = args.units or 'metric'
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local lang = args.lang or 'en'
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local cnt = args.cnt or 5
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local icons_path = args.icons_path or helpers.icons_dir .. 'openweathermap/'
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local notification_preset = args.notification_preset or {}
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local notification_text_fun = args.notification_text_fun
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or function(wn)
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local day = os.date('%a %d', wn['dt'])
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local temp = math.floor(wn['main']['temp'])
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local desc = wn['weather'][1]['description']
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return string.format('<b>%s</b>: %s, %d ', day, desc, temp)
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end
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local weather_na_markup = args.weather_na_markup or ' N/A '
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local followtag = args.followtag or false
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local showpopup = args.showpopup or 'on'
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local settings = args.settings or function() end
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weather.widget:set_markup(weather_na_markup)
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weather.icon_path = icons_path .. 'na.png'
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weather.icon = wibox.widget.imagebox(weather.icon_path)
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function weather.show(seconds)
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weather.hide()
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if followtag then
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notification_preset.screen = focused()
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end
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if not weather.notification_text then
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weather.update()
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weather.forecast_update()
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end
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weather.notification = naughty.notify({
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preset = notification_preset,
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text = weather.notification_text,
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icon = weather.icon_path,
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timeout = type(seconds) == 'number' and seconds or notification_preset.timeout,
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})
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end
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function weather.hide()
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if weather.notification then
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naughty.destroy(weather.notification)
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weather.notification = nil
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end
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end
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function weather.attach(obj)
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obj:connect_signal('mouse::enter', function()
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weather.show(0)
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end)
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obj:connect_signal('mouse::leave', function()
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weather.hide()
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end)
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end
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function weather.forecast_update()
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local cmd = string.format(forecast_call, city_id, units, lang, APPID)
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helpers.async(cmd, function(f)
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local err
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weather_now, _, err = json.decode(f, 1, nil)
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if not err and type(weather_now) == 'table' and tonumber(weather_now['cod']) == 200 then
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weather.notification_text = ''
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for i = 1, weather_now['cnt'], math.floor(weather_now['cnt'] / cnt) do
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weather.notification_text = weather.notification_text
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.. notification_text_fun(weather_now['list'][i])
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if i < weather_now['cnt'] then
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weather.notification_text = weather.notification_text .. '\n'
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end
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end
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end
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end)
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end
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function weather.update()
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local cmd = string.format(current_call, city_id, units, lang, APPID)
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helpers.async(cmd, function(f)
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local err
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weather_now, _, err = json.decode(f, 1, nil)
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if not err and type(weather_now) == 'table' and tonumber(weather_now['cod']) == 200 then
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local sunrise = tonumber(weather_now['sys']['sunrise'])
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local sunset = tonumber(weather_now['sys']['sunset'])
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local icon = weather_now['weather'][1]['icon']
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local loc_now = os.time()
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if sunrise <= loc_now and loc_now <= sunset then
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icon = string.gsub(icon, 'n', 'd')
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else
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icon = string.gsub(icon, 'd', 'n')
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end
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weather.icon_path = icons_path .. icon .. '.png'
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widget = weather.widget
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settings()
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else
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weather.icon_path = icons_path .. 'na.png'
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weather.widget:set_markup(weather_na_markup)
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end
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weather.icon:set_image(weather.icon_path)
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end)
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end
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if showpopup == 'on' then
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weather.attach(weather.widget)
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end
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weather.timer = helpers.newtimer('weather-' .. city_id, timeout, weather.update, false, true)
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weather.timer_forecast =
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helpers.newtimer('weather_forecast-' .. city_id, timeout, weather.forecast_update, false, true)
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return weather
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end
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return factory
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