ffho-packages/ffho/ffho-site-auto-select/files/lib/gluon/upgrade/003-site-auto-select

#!/usr/bin/lua

local config = require 'gluon.sites'
local uci = require('luci.model.uci').cursor()

function is_site_valid(site)
  for _, tmp in pairs(config) do
    if tmp.site_code == site then
      return true
    end
  end
  return false
end

function set_currentsite(site)
  if site and is_site_valid(site) then
    uci:set('currentsite', 'current', 'name', site)
    uci:save('currentsite')
    uci:commit('currentsite')
    return true
  end
  return false
end

function get_site_by_geo(latitude, longitude)
  return nil
end

local currentsite = uci:get('currentsite', 'current', 'name')
local configured = is_site_valid(currentsite)

if configured == false then
  local latitude = uci:get_first('gluon-node-info', 'location', 'latitude')
  local longitude = uci:get_first('gluon-node-info', 'location', 'longitude')
  if latitude and longitude then
    currentsite = get_site_by_geo(latitude, longitude)
    configured = set_currentsite(currentsite)
  end
end

if configured == false then
  local minute = math.random(0, 59)
  local f = io.open('/lib/gluon/cron/ffho-site-auto-select', 'w')
  f:write(string.format('%i * * * * /usr/sbin/ffho-site-auto-select\n', minute))
  f:close()
end