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Mikubot/plugins/location.lua

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2015-05-22 17:01:33 +02:00
-- Implement a command /loc [area] which uses
-- the static map API to get a location image
-- Not sure if this is the proper way
-- Intent: get_latlong is in time.lua, we need it here
-- loadfile "time.lua"
-- Globals
-- If you have a google api key for the geocoding/timezone api
do
local api_key = nil
local base_api = "https://maps.googleapis.com/maps/api"
function get_staticmap(area)
local api = base_api .. "/staticmap?"
-- Get a sense of scale
local lat,lng,acc,types = get_latlong(area)
local scale = types[1]
if scale=="locality" then zoom=8
elseif scale=="country" then zoom=4
else zoom = 13 end
local parameters =
"size=600x300" ..
"&zoom=" .. zoom ..
"&center=" .. URL.escape(area) ..
"&markers=color:red"..URL.escape("|"..area)
if api_key ~=nil and api_key ~= "" then
parameters = parameters .. "&key="..api_key
end
return lat, lng, api..parameters
end
function run(msg, matches)
local receiver = get_receiver(msg)
local lat,lng,url = get_staticmap(matches[1])
-- Send the actual location, is a google maps link
send_location(receiver, lat, lng, ok_cb, false)
-- Send a picture of the map, which takes scale into account
send_photo_from_url(receiver, url)
-- Return a link to the google maps stuff is now not needed anymore
return nil
end
return {
description = "Zeigt Informationen über einen Ort.",
usage = "/loc (Ort)",
patterns = {"^/loc (.*)$"},
run = run
}
end