do require("./plugins/time") local BASE_URL = "https://api.forecast.io/forecast" local apikey = cred_data.forecastio_apikey local google_apikey = cred_data.google_apikey local function get_city_name(lat, lng) local city = redis:hget('telegram:cache:weather:pretty_names', lat..','..lng) if city then return city end local url = 'https://maps.googleapis.com/maps/api/geocode/json?latlng='..lat..','..lng..'&result_type=political&language=de&key='..google_apikey local res, code = https.request(url) if code ~= 200 then return 'Unbekannte Stadt' end local data = json:decode(res).results[1] local city = data.formatted_address print('Setting '..lat..','..lng..' in redis hash telegram:cache:weather:pretty_names to "'..city..'"') redis:hset('telegram:cache:weather:pretty_names', lat..','..lng, city) return city end local function get_weather(lat, lng) print('Finde Wetter in '..lat..', '..lng) local text = redis:get('telegram:cache:weather:'..lat..','..lng) if text then print('...aus dem Cache..') return text end local url = BASE_URL..'/'..apikey..'/'..lat..','..lng..'?lang=de&units=si&exclude=minutely,hourly,daily,alerts,flags' local response_body = {} local request_constructor = { url = url, method = "GET", sink = ltn12.sink.table(response_body) } local ok, response_code, response_headers, response_status_line = https.request(request_constructor) if not ok then return nil end local data = json:decode(table.concat(response_body)) local ttl = string.sub(response_headers["cache-control"], 9) local weather = data.currently local city = get_city_name(lat, lng) local temperature = round(weather.temperature, 1) local feelslike = round(weather.apparentTemperature, 1) local temp = 'Wetter in '..city..':\n'..temperature..' °C' local conditions = ' | '..weather.summary if weather.icon == 'clear-day' then conditions = conditions..' ☀️' elseif weather.icon == 'clear-night' then conditions = conditions..' 🌙' elseif weather.icon == 'rain' then conditions = conditions..' ☔️' elseif weather.icon == 'snow' then conditions = conditions..' ❄️' elseif weather.icon == 'sleet' then conditions = conditions..' 🌨' elseif weather.icon == 'wind' then conditions = conditions..' 💨' elseif weather.icon == 'fog' then conditions = conditions..' 🌫' elseif weather.icon == 'cloudy' then conditions = conditions..' ☁️☁️' elseif weather.icon == 'partly-cloudy-day' then conditions = conditions..' 🌤' elseif weather.icon == 'partly-cloudy-night' then conditions = conditions..' 🌙☁️' else conditions = conditions..'' end local windspeed = ' | 💨 '..round(weather.windSpeed, 1)..' m/s' local text = temp..conditions..windspeed if temperature ~= feelslike then text = text..'\n(gefühlt: '..feelslike..' °C)' end cache_data('weather', lat..','..lng, text, tonumber(ttl), 'key') return text end local function run(msg, matches) local user_id = msg.from.id if matches[1] ~= '/wetter' and matches[1] ~= '/w' then city = matches[1] else local set_location = get_location(user_id) if not set_location then city = 'Berlin, Deutschland' else city = set_location end end local lat = redis:hget('telegram:cache:weather:'..string.lower(city), 'lat') local lng = redis:hget('telegram:cache:weather:'..string.lower(city), 'lng') if not lat and not lng then print('Koordinaten nicht eingespeichert, frage Google...') lat,lng = get_latlong(city) end if not lat and not lng then return 'Den Ort "'..city..'" gibt es nicht!' end redis:hset('telegram:cache:weather:'..string.lower(city), 'lat', lat) redis:hset('telegram:cache:weather:'..string.lower(city), 'lng', lng) local text = get_weather(lat, lng) if not text then text = 'Konnte das Wetter von dieser Stadt nicht bekommen.' end return text end return { description = "Wetter für deinen oder einen gewählten Ort", usage = { "/wetter: Wetter für deinen Wohnort (!location set [Ort])", "/wetter (Stadt): Wetter für diese Stadt" }, patterns = { "^/wetter$", "^/wetter (.*)$", "^/w$", "^/w (.*)$" }, run = run } end