Tim time tracker: Hammerspoon Lua script, to remind you to enable time tracking when you work

hammerspoon-tim-time-tracking.lua

function isTimTimeTrackingLive()
  local preferencesPath = os.getenv('HOME').."/Library/Containers/neat.software.Tim/Data/Library/Preferences/neat.software.Tim.plist"
  local preferences = hs.plist.read(preferencesPath)
  local data = hs.json.decode(preferences['Tim_Data'])
  local tasks = data['tasks']

  -- When Tim has a live session, a record has the same start and end timestamp
  for key, task in pairs(tasks) do
    records = task['records']
    for i, record in ipairs(records) do
      if record['start'] == record['end'] then
        return true
      end
    end
  end
  return false
end

-- Run every 60s
hs.timer.doEvery(60, function()
  local isConnectedToWorkWifi = hs.wifi.currentNetwork() == 'work-office-ssid'
  local hoursSinceMidnight = tonumber(os.date("%H"))
  local nowIsWorkingHours = hoursSinceMidnight > 7 and hoursSinceMidnight < 16
  local weekday = tonumber(os.date("%w"))
  local isWeekend = weekday > 5
  local isWorking = isConnectedToWorkWifi or (nowIsWorkingHours and not isWeekend)

  if isWorking and not isTimTimeTrackingLive() then
    -- Show friendly reminder for 10 seconds
    hs.alert.show("Remember to track your time", 10)
  end
end)