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