223 lines
7.3 KiB
Lua
223 lines
7.3 KiB
Lua
local forecast = {}
|
|
|
|
local HTTPS = require('ssl.https')
|
|
local URL = require('socket.url')
|
|
local JSON = require('dkjson')
|
|
local utilities = require('otouto.utilities')
|
|
local bindings = require('otouto.bindings')
|
|
local redis = (loadfile "./otouto/redis.lua")()
|
|
|
|
function forecast:init(config)
|
|
if not cred_data.forecastio_apikey then
|
|
print('Missing config value: forecastio_apikey.')
|
|
print('weather.lua will not be enabled.')
|
|
return
|
|
elseif not cred_data.google_apikey then
|
|
print('Missing config value: google_apikey.')
|
|
print('weather.lua will not be enabled.')
|
|
return
|
|
end
|
|
|
|
forecast.triggers = {
|
|
"^(/f)$",
|
|
"^(/f) (.*)$",
|
|
"^(/fh)$",
|
|
"^(/fh) (.*)$",
|
|
"^(/forecast)$",
|
|
"^(/forecast) (.*)$",
|
|
"^(/forecasth)$",
|
|
"^(/forecasth) (.*)$"
|
|
}
|
|
forecast.doc = [[*
|
|
]]..config.cmd_pat..[[f*: Wettervorhersage für deinen Wohnort _(/location set <Ort>)_
|
|
*]]..config.cmd_pat..[[f* _<Ort>_: Wettervorhersage für diesen Ort
|
|
*]]..config.cmd_pat..[[fh*: 24-Stunden-Wettervorhersage für deine Stadt _(/location set [Ort]_
|
|
*]]..config.cmd_pat..[[fh* _<Ort>_: 24-Stunden-Wettervorhersage für diesen Ort
|
|
]]
|
|
end
|
|
|
|
forecast.command = 'f [Ort]'
|
|
|
|
local BASE_URL = "https://api.forecast.io/forecast"
|
|
local apikey = cred_data.forecastio_apikey
|
|
local google_apikey = cred_data.google_apikey
|
|
|
|
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
|
|
|
|
function get_condition_symbol(weather, n)
|
|
if weather.data[n].icon == 'clear-day' then
|
|
return '☀️'
|
|
elseif weather.data[n].icon == 'clear-night' then
|
|
return '🌙'
|
|
elseif weather.data[n].icon == 'rain' then
|
|
return '☔️'
|
|
elseif weather.data[n].icon == 'snow' then
|
|
return '❄️'
|
|
elseif weather.data[n].icon == 'sleet' then
|
|
return '🌨'
|
|
elseif weather.data[n].icon == 'wind' then
|
|
return '💨'
|
|
elseif weather.data[n].icon == 'fog' then
|
|
return '🌫'
|
|
elseif weather.data[n].icon == 'cloudy' then
|
|
return '☁️☁️'
|
|
elseif weather.data[n].icon == 'partly-cloudy-day' then
|
|
return '🌤'
|
|
elseif weather.data[n].icon == 'partly-cloudy-night' then
|
|
return '🌙☁️'
|
|
else
|
|
return ''
|
|
end
|
|
end
|
|
|
|
function get_temp(weather, n, hourly)
|
|
if hourly then
|
|
local temperature = string.gsub(round(weather.data[n].temperature, 1), "%.", ",")
|
|
local condition = weather.data[n].summary
|
|
return temperature..'°C | '..get_condition_symbol(weather, n)..' '..condition
|
|
else
|
|
local day = string.gsub(round(weather.data[n].temperatureMax, 1), "%.", ",")
|
|
local night = string.gsub(round(weather.data[n].temperatureMin, 1), "%.", ",")
|
|
local condition = weather.data[n].summary
|
|
return '☀️ '..day..'°C | 🌙 '..night..'°C | '..get_condition_symbol(weather, n)..' '..condition
|
|
end
|
|
end
|
|
|
|
function forecast:get_forecast(lat, lng)
|
|
print('Finde Wetter in '..lat..', '..lng)
|
|
local text = redis:get('telegram:cache:forecast:'..lat..','..lng)
|
|
if text then print('...aus dem Cache..') return text end
|
|
|
|
local url = BASE_URL..'/'..apikey..'/'..lat..','..lng..'?lang=de&units=si&exclude=currently,minutely,hourly,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.daily
|
|
local city = get_city_name(lat, lng)
|
|
|
|
local header = '*Vorhersage für '..city..':*\n_'..weather.summary..'_\n'
|
|
|
|
local text = '*Heute:* '..get_temp(weather, 1)
|
|
local text = text..'\n*Morgen:* '..get_temp(weather, 2)
|
|
|
|
for day in pairs(weather.data) do
|
|
if day > 2 then
|
|
text = text..'\n*'..convert_timestamp(weather.data[day].time, '%a, %d.%m')..'*: '..get_temp(weather, day)
|
|
end
|
|
end
|
|
|
|
local text = string.gsub(text, "Mon", "Mo")
|
|
local text = string.gsub(text, "Tue", "Di")
|
|
local text = string.gsub(text, "Wed", "Mi")
|
|
local text = string.gsub(text, "Thu", "Do")
|
|
local text = string.gsub(text, "Fri", "Fr")
|
|
local text = string.gsub(text, "Sat", "Sa")
|
|
local text = string.gsub(text, "Sun", "So")
|
|
|
|
cache_data('forecast', lat..','..lng, header..text, tonumber(ttl), 'key')
|
|
|
|
return header..text
|
|
end
|
|
|
|
function forecast:get_forecast_hourly(lat, lng)
|
|
print('Finde stündliches Wetter in '..lat..', '..lng)
|
|
local text = redis:get('telegram:cache:forecast:'..lat..','..lng..':hourly')
|
|
if text then print('...aus dem Cache..') return text end
|
|
|
|
local url = BASE_URL..'/'..apikey..'/'..lat..','..lng..'?lang=de&units=si&exclude=currently,minutely,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.hourly
|
|
local city = get_city_name(lat, lng)
|
|
|
|
local header = '*24-Stunden-Vorhersage für '..city..':*\n_'..weather.summary..'_'
|
|
local text = ""
|
|
|
|
for hour in pairs(weather.data) do
|
|
if hour < 26 then
|
|
text = text..'\n*'..convert_timestamp(weather.data[hour].time, '%H:%M Uhr')..'* | '..get_temp(weather, hour, true)
|
|
end
|
|
end
|
|
|
|
cache_data('forecast', lat..','..lng..':hourly', header..text, tonumber(ttl), 'key')
|
|
|
|
return header..text
|
|
end
|
|
|
|
function forecast:action(msg, config, matches)
|
|
local user_id = msg.from.id
|
|
local city = get_location(user_id)
|
|
|
|
if matches[2] then
|
|
city = matches[2]
|
|
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...')
|
|
coords = utilities.get_coords(city, config)
|
|
lat = coords.lat
|
|
lng = coords.lon
|
|
end
|
|
|
|
if not lat and not lng then
|
|
utilities.send_reply(self, msg, '*Diesen Ort gibt es nicht!*', true)
|
|
return
|
|
end
|
|
|
|
redis:hset('telegram:cache:weather:'..string.lower(city), 'lat', lat)
|
|
redis:hset('telegram:cache:weather:'..string.lower(city), 'lng', lng)
|
|
|
|
if matches[1] == '/forecasth' or matches[1] == '/fh' then
|
|
text = forecast:get_forecast_hourly(lat, lng)
|
|
else
|
|
text = forecast:get_forecast(lat, lng)
|
|
end
|
|
if not text then
|
|
text = '*Konnte die Wettervorhersage für diese Stadt nicht bekommen.*'
|
|
end
|
|
utilities.send_reply(self, msg, text, true)
|
|
end
|
|
|
|
return forecast
|