122 lines
4.9 KiB
Lua
122 lines
4.9 KiB
Lua
-- contrib/openweather_all.lua
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-- Copyright (C) 2013 NormalRa <normalrawr gmail com>
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-- Copyright (C) 2017 Jörg Thalheim <joerg@higgsboson.tk>
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-- Copyright (C) 2020 Marcel Arpogaus <marcel.arpogaus gmail com>
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--
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-- This file is part of Vicious.
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--
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-- Vicious is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as
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-- published by the Free Software Foundation, either version 2 of the
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-- License, or (at your option) any later version.
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--
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-- Vicious is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
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-- {{{ Grab environment
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local tonumber = tonumber
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local string = {match = string.match}
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local math = {ceil = math.ceil, floor = math.floor}
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local helpers = require "vicious.helpers"
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local spawn = require "vicious.spawn"
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-- }}}
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-- Openweather: provides weather information for a requested station
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-- vicious.widgets.openweather
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local openweather_all = {}
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-- Initialize function tables
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local _wdirs = {"N", "NE", "E", "SE", "S", "SW", "W", "NW", "N"}
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local _wdata = {
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["{city}"] = "N/A",
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["{wind deg}"] = "N/A",
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["{wind aim}"] = "N/A",
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["{wind mps}"] = "N/A",
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["{wind kmh}"] = "N/A",
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["{sky}"] = "N/A",
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["{weather}"] = "N/A",
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["{temp c}"] = "N/A",
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["{temp min c}"] = "N/A",
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["{temp max c}"] = "N/A",
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["{sunrise}"] = -1,
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["{sunset}"] = -1,
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["{humid}"] = "N/A",
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["{press}"] = "N/A"
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}
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-- {{{ Openweather widget type
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local function parse(stdout, stderr, exitreason, exitcode)
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-- Check if there was a timeout or a problem with the station
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if stdout == nil or exitcode ~= 0 then return _wdata end
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_wdata["{city}"] = -- City name
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string.match(stdout, '"name":"([%a%s%-]+)"') or _wdata["{city}"]
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_wdata["{wind deg}"] = -- Wind degrees
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string.match(stdout, '"deg":([%d]+)') or _wdata["{wind deg}"]
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_wdata["{wind mps}"] = -- Wind speed in meters per second
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string.match(stdout, '"speed":([%d%.]+)') or _wdata["{wind mps}"]
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_wdata["{sky}"] = -- Sky conditions
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string.match(stdout, '"main":"([%a]+)"') or _wdata["{sky}"]
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_wdata["{weather}"] = -- Weather description
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string.match(stdout, '"description":"([%a%s]+)"') or _wdata["{weather}"]
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_wdata["{temp c}"] = -- Temperature in celsius
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string.match(stdout, '"temp":([%-]?[%d%.]+)') or _wdata["{temp c}"]
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_wdata["{temp min c}"] = -- Minimal Temperature in celsius
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string.match(stdout, '"temp_min":([%-]?[%d%.]+)') or _wdata["{temp min c}"]
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_wdata["{temp max c}"] = -- Maximal Temperature in celsius
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string.match(stdout, '"temp_max":([%-]?[%d%.]+)') or _wdata["{temp max c}"]
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_wdata["{humid}"] = -- Relative humidity in percent
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string.match(stdout, '"humidity":([%d]+)') or _wdata["{humid}"]
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_wdata["{sunrise}"] = -- Sunrise
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tonumber(string.match(stdout, '"sunrise":([%d]+)')) or _wdata["{sunrise}"]
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_wdata["{sunset}"] = -- Sunset
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tonumber(string.match(stdout, '"sunset":([%d]+)')) or _wdata["{sunset}"]
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_wdata["{press}"] = -- Pressure in hPa
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string.match(stdout, '"pressure":([%d%.]+)') or _wdata["{press}"]
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-- Wind speed in km/h
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if _wdata["{wind mps}"] ~= "N/A" then
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_wdata["{wind mps}"] = math.floor(tonumber(_wdata["{wind mps}"]) + .5)
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_wdata["{wind kmh}"] = math.ceil(_wdata["{wind mps}"] * 3.6)
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end -- Temperature in °C
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if _wdata["{temp c}"] ~= "N/A" then
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_wdata["{temp c}"] = math.floor(tonumber(_wdata["{temp c}"]) + .5)
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end -- Calculate wind direction
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if _wdata["{wind deg}"] ~= "N/A" then
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_wdata["{wind deg}"] = tonumber(_wdata["{wind deg}"])
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-- Lua tables start at [1]
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if (_wdata["{wind deg}"] / 45) % 1 == 0 then
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_wdata["{wind aim}"] = _wdirs[_wdata["{wind deg}"] / 45 + 1]
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else
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_wdata["{wind aim}"] = _wdirs[math.ceil(_wdata["{wind deg}"] / 45) +
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1] ..
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_wdirs[math.floor(
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_wdata["{wind deg}"] / 45) + 1]
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end
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end
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return _wdata
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end
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function openweather_all.async(format, warg, callback)
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if not warg then return callback {} end
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if type(warg) ~= "table" then return callback {} end
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-- Get weather forceast using the city ID code, from:
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-- * OpenWeatherMap.org
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local openweather = "http://api.openweathermap.org/data/2.5/weather?id=" ..
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warg.city_id .. "&appid=" .. warg.app_id ..
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"&mode=json&units=metric"
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spawn.easy_async("curl --connect-timeout 1 -fsm 3 '" .. openweather .. "'",
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function(...) callback(parse(...)) end)
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end
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-- }}}
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return helpers.setasyncall(openweather_all)
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