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Mikubot/plugins/steam.lua
2015-04-14 20:21:23 +02:00

68 lines
1.9 KiB
Lua

-- See https://wiki.teamfortress.com/wiki/User:RJackson/StorefrontAPI
do
local BASE_URL = 'http://store.steampowered.com/api/appdetails/?appids='
local DESC_LENTH = 200
function unescape(str)
str = string.gsub( str, '&lt;', '<' )
str = string.gsub( str, '&gt;', '>' )
str = string.gsub( str, '&quot;', '"' )
str = string.gsub( str, '&apos;', "'" )
str = string.gsub( str, '&#(%d+);', function(n) return string.char(n) end )
str = string.gsub( str, '&#x(%d+);', function(n) return string.char(tonumber(n,16)) end )
str = string.gsub( str, '&amp;', '&' ) -- Be sure to do this after all others
return str
end
function get_steam_data (appid)
local url = BASE_URL..appid
local res,code = http.request(url)
if code ~= 200 then return nil end
local data = json:decode(res)[appid].data
return data
end
function send_steam_data(data, receiver)
local description = string.sub(unescape(data.about_the_game:gsub("%b<>", "")), 1, DESC_LENTH) .. '...'
local title = data.name
local price = ""..(data.price_overview.initial/100)
local sale_price = ""..(data.price_overview.final/100)
local percent_savings = data.price_overview.discount_percent
local price_display = price
if percent_savings ~= 0 then
price_display = price.." -> "..sale_price.." ("..percent_savings.."%)"
end
local text = title..' '..price_display..'\n'..description
local image_url = data.header_image
local cb_extra = {
receiver = receiver,
url = image_url
}
send_msg(receiver, text, send_photo_from_url_callback, cb_extra)
end
function run(msg, matches)
local appid = matches[1]
local data = get_steam_data(appid)
local receiver = get_receiver(msg)
send_steam_data(data, receiver)
end
return {
description = "Grabs Steam info for Steam links.",
usage = "",
patterns = {
"http://store.steampowered.com/app/([0-9]+)",
},
run = run
}
end