72 lines
1.8 KiB
Lua
72 lines
1.8 KiB
Lua
-- Implement a command !loc [area] which uses
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-- the static map API to get a location image
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-- Not sure if this is the proper way
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-- Intent: get_latlong is in time.lua, we need it here
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-- loadfile "time.lua"
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-- Globals
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-- If you have a google api key for the geocoding/timezone api
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api_key = nil
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base_api = "https://maps.googleapis.com/maps/api"
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function delay_s(delay)
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delay = delay or 1
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local time_to = os.time() + delay
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while os.time() < time_to do end
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end
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function get_staticmap(area)
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local api = base_api .. "/staticmap?"
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-- Get a sense of scale
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lat,lng,acc,types = get_latlong(area)
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local scale=types[1]
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if scale=="locality" then zoom=8
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elseif scale=="country" then zoom=4
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else zoom=13 end
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local parameters =
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"size=600x300" ..
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"&zoom=" .. zoom ..
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"¢er=" .. URL.escape(area) ..
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"&markers=color:red"..URL.escape("|"..area)
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if api_key ~=nil and api_key ~= "" then
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parameters = parameters .. "&key="..api_key
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end
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return lat, lng, api..parameters
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end
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function run(msg, matches)
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local receiver = get_receiver(msg)
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local lat,lng,url = get_staticmap(matches[1])
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local file_path = download_to_file(url)
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-- Send the actual location, is a google maps link
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send_location(receiver, lat, lng, ok_cb, false)
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-- Send a picture of the map, which takes scale into account
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send_photo(receiver, file_path, ok_cb, false)
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delay_s(2)
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-- Clean up after some time
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postpone(rmtmp_cb, file_path, 20.0)
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-- Return a link to the google maps stuff is now not needed anymore
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return nil
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end
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return {
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description = "Gets information about a location, maplink and overview",
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usage = "!loc (location)",
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patterns = {"^!loc (.*)$"},
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run = run
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}
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