apps.Pim.lua

local Event = require('event')
local UI = require('ui')
local Config = require('config')

multishell.setTitle(multishell.getCurrent(), 'PIM')

local inventory = { }
local mode = 'sync'

if not device.pim then
  error('PIM not attached')
end

local page = UI.Page({
  menu = UI.Menu({
    centered = true,
    y = 2,
    menuItems = {
      { prompt = 'Learn', event = 'learn', help = '' },
    },
  }),
  statusBar = UI.StatusBar({
    columns = {
      { 'Status', 'status', UI.term.width - 7 },
      { 'Mode', 'mode', 7 }
    }
  }),
  accelerators = {
    q = 'quit',
  },
})

local function learn()
  if device.pim.getInventorySize() > 0 then
    local stacks = device.pim.getAllStacks(false)
    Config.update('pim', stacks)
    mode = 'sync'
    page.statusBar:setValue('status', 'Learned inventory')
  end
  page.statusBar:setValue('mode', mode)
  page.statusBar:draw()
end

function page:eventHandler(event)

  if event.type == 'learn' then
    mode = 'learn'
    learn()
  elseif event.type == 'quit' then
    Event.exitPullEvents()
  end

  return UI.Page.eventHandler(self, event)
end

local function inInventory(s)
  for _,i in pairs(inventory) do
    if i.id == s.id then
      return true
    end
  end
end

local function pimWatcher()
  local playerOn = false

  while true do
    if device.pim.getInventorySize() > 0 and not playerOn then
      playerOn = true

      if mode == 'learn' then
        learn()

      else
        local stacks = device.pim.getAllStacks(false)
        for k,stack in pairs(stacks) do
          if not inInventory(stack) then
            device.pim.pushItem('down', k, stack.qty)
          end
        end
        page.statusBar:setValue('status', 'Synchronized')
        page.statusBar:draw()
      end

    elseif device.pim.getInventorySize() == 0 and playerOn then
      page.statusBar:setValue('status', 'No player')
      page.statusBar:draw()
      playerOn = false
    end
    os.sleep(1)
  end
end

Config.load('pim', inventory)

if Util.empty(inventory) then
  mode = 'learn'
end
page.statusBar:setValue('mode', mode)

UI.pager:setPage(page)

Event.pullEvents(pimWatcher)
UI.term:reset()