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Mikubot/plugins/time.lua
2016-06-22 13:59:06 +02:00

129 lines
4.0 KiB
Lua

-- Implement a command /time [area] which uses
-- 2 Google APIs to get the desired result:
-- 1. Geocoding to get from area to a lat/long pair
-- 2. Timezone to get the local time in that lat/long location
-- Globals
-- If you have a google api key for the geocoding/timezone api
api_key = nil
base_api = "https://maps.googleapis.com/maps/api"
dateFormat = "%A, der %d. %B %Y und es ist %H:%M:%S Uhr"
-- Need the utc time for the google api
function utctime()
return os.time(os.date("!*t"))
end
-- Use the geocoding api to get the lattitude and longitude with accuracy specifier
-- CHECKME: this seems to work without a key??
function get_latlong(area)
local api = base_api .. "/geocode/json?"
local parameters = "address=".. (URL.escape(area) or "")
if api_key ~= nil then
parameters = parameters .. "&key="..api_key
end
-- Do the request
local res, code = https.request(api..parameters)
if code ~=200 then return nil end
local data = json:decode(res)
if (data.status == "ZERO_RESULTS") then
return nil
end
if (data.status == "OK") then
-- Get the data
lat = data.results[1].geometry.location.lat
lng = data.results[1].geometry.location.lng
acc = data.results[1].geometry.location_type
types= data.results[1].types
return lat,lng,acc,types
end
end
-- Use timezone api to get the time in the lat,
-- Note: this needs an API key
function get_time(lat,lng)
local api = base_api .. "/timezone/json?"
-- Get a timestamp (server time is relevant here)
local timestamp = utctime()
local parameters = "location=" ..
URL.escape(lat) .. "," ..
URL.escape(lng) ..
"&timestamp="..URL.escape(timestamp)
if api_key ~=nil then
parameters = parameters .. "&key="..api_key
end
local res,code = https.request(api..parameters)
if code ~= 200 then return nil end
local data = json:decode(res)
if (data.status == "ZERO_RESULTS") then
return nil
end
if (data.status == "OK") then
-- Construct what we want
-- The local time in the location is:
-- timestamp + rawOffset + dstOffset
local localTime = timestamp + data.rawOffset + data.dstOffset
return localTime, data.timeZoneId
end
return localTime
end
function getformattedLocalTime(area)
if area == nil then
return 'Die Zeit nirgendswo ist nirgendswo...'
end
lat,lng,acc = get_latlong(area)
if lat == nil and lng == nil then
return 'Sieht nicht so aus, als hätten sie in "'..area..'" eine Zeit.'
end
local localTime, timeZoneId = get_time(lat,lng)
text = 'Die lokale Zeit in "'..timeZoneId..'" ist: '.. os.date(dateFormat,localTime)
-- Days
text = string.gsub(text, "Monday", "Montag")
text = string.gsub(text, "Tuesday", "Dienstag")
text = string.gsub(text, "Wednesday", "Mittwoch")
text = string.gsub(text, "Thursday", "Donnerstag")
text = string.gsub(text, "Friday", "Freitag")
text = string.gsub(text, "Saturday", "Samstag")
text = string.gsub(text, "Sunday", "Sonntag")
-- Months
text = string.gsub(text, "January", "Januar")
text = string.gsub(text, "February", "Februar")
text = string.gsub(text, "March", "März")
text = string.gsub(text, "April", "April")
text = string.gsub(text, "May", "Mai")
text = string.gsub(text, "June", "Juni")
text = string.gsub(text, "July", "Juli")
text = string.gsub(text, "August", "August")
text = string.gsub(text, "September", "September")
text = string.gsub(text, "October", "Oktober")
text = string.gsub(text, "November", "November")
text = string.gsub(text, "December", "Dezember")
return text
end
function run(msg, matches)
if string.match(msg.text, "^#[Zz]eit$") or string.match(msg.text, "^#[Tt]ime$") then
text = os.date("Es ist %H:%M:%S Uhr")
return text
else
return getformattedLocalTime(matches[1])
end
end
return {
description = "Zeigt die lokale Zeit in einer Zeitzone an",
usage = {'#zeit [Land/Ort]'},
patterns = {'^#[Zz]eit (.*)$','^#[Tt]ime (.*)$','^/#[Zz]eit$','^#[Tt]ime$'},
run = run
}