xrforge-v2/src/plugin/diskscan.lua

local dir = require "opendirectory"

-- this registers the plugin UI /funcs
return {
  name = "Content (from disk)",
  info = 'XRForge can search in (unnested) folders for XR/image/video files.',
  opts = {
    { 
      key='app.opts.plugin_diskscan_dir',
      title='Directory',
      info="Directory to scan for experiences (use '.' for current) ",
      default=".", 
      values=''
    }
  },
  shouldHideFile = function(name)
    return  name == ".." 
        or name == "util"   -- repository 
        or name == ".git"   -- files
        or name == "src"    --
        or name == "result" --
  end,

  scan = function()
    local me = app.plugin.diskscan
    local folder = app.opts.plugin_diskscan_dir
    -- scan dirs
    local dref, derr= dir.foreach( folder, function(path,stat,state,name,kind,ino,off,attr,fullpath)
      if (kind == unix.DT_DIR or kind == unix.DT_LNK) and not me.shouldHideFile(name) then
        local experience = {
          path = fullpath,
          name = name,
          title = name,
          tag  = {},
          file = {stat=stat,state=state,kind=kind,ino=ino,off=off,attr=attr,fullpath=fullpath,name=name,path=path}
        }
        app.pub("scan_experience", nil, experience)
        print("ℹ️ ".. fullpath)

        -- scan files
        local fref, ferr = dir.foreach(fullpath, function(path,stat,state,name,kind,ino,off,attr, fullpath)
          if kind ~= unix.DT_DIR and not me.shouldHideFile(name) then
            experience.file = {stat=stat,state=state,kind=kind,ino=ino,off=off,attr=attr,fullpath=fullpath,name=name,path=path}
            app.pub("scan_experience_file", nil, experience)
            local size = attr:size()
            trace("ℹ️ ".. fullpath)
          end
        end)
        if not ferr then fref:close() end
      end
    end)
    if not derr then dref:close() end

    foreach( app.cache.items, function(k,v)
      -- remove file attributes (which are closed already)
      v.file.stat = nil
      v.file.attr = nil
      v.file.state = nil
    end)
  end
}