luca-awesome-dotfiles/home/.config/awesome/ui/sidebar/weather.lua

-- Requirements :
-- ~~~~~~~~~~~~~~
local awful = require("awful")
local wibox = require("wibox")
local gears = require("gears")
local beautiful = require("beautiful")
local dpi = beautiful.xresources.apply_dpi
local filesystem = gears.filesystem
local icon_dir = filesystem.get_configuration_dir() .. "themes/icons/weather/"
local naughty = require("naughty")

-- # Libs :
-- ~~~~~~~~
local json = require("libs.json")

--- Weather Widget
--- ~~~~~~~~~~~~~~

local GET_FORECAST_CMD = [[bash -c "curl -s --show-error -X GET '%s'"]]

local icon_map = {
	["01d"] = "weather-clear-sky",
	["02d"] = "weather-few-clouds",
	["03d"] = "weather-clouds",
	["04d"] = "weather-few-clouds",
	["09d"] = "weather-showers-scattered",
	["10d"] = "weather-showers",
	["11d"] = "weather-strom",
	["13d"] = "weather-snow",
	["50d"] = "weather-fog",
	["01n"] = "weather-clear-night",
	["02n"] = "weather-few-clouds-night",
	["03n"] = "weather-clouds-night",
	["04n"] = "weather-clouds-night",
	["09n"] = "weather-showers-scattered",
	["10n"] = "weather-showers",
	["11n"] = "weather-strom",
	["13n"] = "weather-snow",
	["50n"] = "weather-fog",
}

local current_weather_widget = wibox.widget({
	{
		{
			id = "icon",
			image = icon_dir .. "weather-showers.svg",
			resize = true,
			forced_height = dpi(42),
			forced_width = dpi(42),
			widget = wibox.widget.imagebox,
		},
		{
			{
				{
					id = "description",
					text = "Mostly cloudy",
					font = "Roboto Medium 10",
					widget = wibox.widget.textbox,
				},
				{
					id = "humidity",
					text = "Humidity: 80%",
					font = "Roboto Medium 10",
					widget = wibox.widget.textbox,
				},
				layout = wibox.layout.fixed.vertical,
			},
			widget = wibox.container.place,
		},
		spacing = dpi(10),
		layout = wibox.layout.fixed.horizontal,
	},
	nil,
	{
		{
			{
				id = "tempareture_current",
				markup = "20<sup><span>°</span></sup>",
				align = "right",
				font = "Roboto Medium 14",
				widget = wibox.widget.textbox,
			},
			{
				id = "feels_like",
				markup = "Feels like: 19<sup><span>°C</span></sup>",
				font = "Roboto Medium 10",
				widget = wibox.widget.textbox,
			},
			spacing = dpi( -6),
			layout = wibox.layout.fixed.vertical,
		},
		widget = wibox.container.place,
	},
	layout = wibox.layout.align.horizontal,
})

local hourly_widget = function()
	local widget = wibox.widget({
		{
			{
				id = "time",
				text = "12PM",
				font = "Roboto Medium 10",
				widget = wibox.widget.textbox,
			},
			widget = wibox.container.place,
		},
		{
			{
				id = "icon",
				image = icon_dir .. "weather-clear-sky.svg",
				resize = true,
				forced_height = dpi(16),
				forced_width = dpi(16),
				widget = wibox.widget.imagebox,
			},
			widget = wibox.container.place,
		},
		{
			{
				id = "tempareture",
				markup = "1<sup><span>°</span></sup>",
				font = theme.font,
				widget = wibox.widget.textbox,
			},
			widget = wibox.container.place,
		},
		spacing = dpi(6),
		layout = wibox.layout.fixed.vertical,
	})

	widget.update = function(result)
		local time = widget:get_children_by_id("time")[1]
		local icon = widget:get_children_by_id("icon")[1]
		local temp = widget:get_children_by_id("tempareture")[1]

		temp:set_markup(math.floor(result.main.temp) .. "<sup><span>°</span></sup>")
		time:set_text(os.date("%H", tonumber(result.dt)))
		icon.image = icon_dir .. icon_map[result.weather[1].icon] .. ".svg"
		icon:emit_signal("widget::redraw_needed")
	end
	return widget
end

local hourly_widget_1 = hourly_widget()
local hourly_widget_2 = hourly_widget()
local hourly_widget_3 = hourly_widget()
local hourly_widget_4 = hourly_widget()
local hourly_widget_5 = hourly_widget()
local hourly_widget_6 = hourly_widget()

local weather_widget = wibox.widget({
	{
		text = "Weather",
		font = theme.font,
		align = "center",
		widget = wibox.widget.textbox,
	},
	current_weather_widget,
	{
		hourly_widget_1,
		hourly_widget_2,
		hourly_widget_3,
		hourly_widget_4,
		hourly_widget_5,
		hourly_widget_6,
		spacing = dpi(10),
		layout = wibox.layout.flex.horizontal,
	},
	spacing = dpi(10),
	layout = wibox.layout.fixed.vertical,
})

local api_key = "7641c17cda8ed75684ed55704226c565"
local city_id = "2972315"
local units = "metric"

local url = (
		"https://api.openweathermap.org/data/2.5/forecast"
		.. "?appid="
		.. api_key
		.. "&id="
		.. city_id
		.. "&units="
		.. units
		)

awful.widget.watch(string.format(GET_FORECAST_CMD, url), 600, function(_, stdout, stderr)
	if stderr == "" then
		local result = json.decode(stdout)
		-- Current weather setup
		local icon = current_weather_widget:get_children_by_id("icon")[1]
		local description = current_weather_widget:get_children_by_id("description")[1]
		local humidity = current_weather_widget:get_children_by_id("humidity")[1]
		local temp_current = current_weather_widget:get_children_by_id("tempareture_current")[1]
		local feels_like = current_weather_widget:get_children_by_id("feels_like")[1]

		local current = result.list[1]
		icon.image = icon_dir .. icon_map[current.weather[1].icon] .. ".svg"
		icon:emit_signal("widget::redraw_needed")
		description:set_text(current.weather[1].description:gsub("^%l", string.upper))
		humidity:set_text("Humidity: " .. current.main.humidity .. "%")
		temp_current:set_markup(math.floor(current.main.temp) .. "<sup><span>°</span></sup>")
		feels_like:set_markup("Feels like: " .. math.floor(current.main.feels_like) .. "<sup><span>°</span></sup>")

		-- Hourly widget setup
		hourly_widget_1.update(result.list[1])
		hourly_widget_2.update(result.list[2])
		hourly_widget_3.update(result.list[3])
		hourly_widget_4.update(result.list[4])
		hourly_widget_5.update(result.list[5])
		hourly_widget_6.update(result.list[6])
	else
		naughty.notify({
			title = "Weather error",
			text = stderr
		})
	end
end)

return weather_widget