apps/workbench/app/controllers/folders_controller.rb

   1 class FoldersController < ApplicationController
   2   def model_class
   3     Group
   4   end
   5
   6   def index_pane_list
   7     %w(My_folders Shared_with_me)
   8   end
   9
  10   def remove_item
  11     @removed_uuids = []
  12     links = []
  13     item = ArvadosBase.find params[:item_uuid]
  14     if (item.class == Link and
  15         item.link_class == 'name' and
  16         item.tail_uuid = @object.uuid)
  17       # Given uuid is a name link, linking an object to this
  18       # folder. First follow the link to find the item we're removing,
  19       # then delete the link.
  20       links << item
  21       item = ArvadosBase.find item.head_uuid
  22     else
  23       # Given uuid is an object. Delete all names.
  24       links += Link.where(tail_uuid: @object.uuid,
  25                           head_uuid: item.uuid,
  26                           link_class: 'name')
  27     end
  28     links.each do |link|
  29       @removed_uuids << link.uuid
  30       link.destroy
  31     end
  32     if item.owner_uuid == @object.uuid
  33       # Object is owned by this folder. Remove it from the folder by
  34       # changing owner to the current user.
  35       item.update_attributes owner_uuid: current_user
  36       @removed_uuids << item.uuid
  37     end
  38   end
  39
  40   def index
  41     @my_folders = []
  42     @shared_with_me = []
  43     @objects = Group.where(group_class: 'folder').order('name')
  44     owner_of = {}
  45     moretodo = true
  46     while moretodo
  47       moretodo = false
  48       @objects.each do |folder|
  49         if !owner_of[folder.uuid]
  50           moretodo = true
  51           owner_of[folder.uuid] = folder.owner_uuid
  52         end
  53         if owner_of[folder.owner_uuid]
  54           if owner_of[folder.uuid] != owner_of[folder.owner_uuid]
  55             owner_of[folder.uuid] = owner_of[folder.owner_uuid]
  56             moretodo = true
  57           end
  58         end
  59       end
  60     end
  61     @objects.each do |folder|
  62       if owner_of[folder.uuid] == current_user.uuid
  63         @my_folders << folder
  64       else
  65         @shared_with_me << folder
  66       end
  67     end
  68   end
  69
  70   def show
  71     @objects = @object.contents include_linked: true
  72     @share_links = Link.filter([['head_uuid', '=', @object.uuid],
  73                                 ['link_class', '=', 'permission']])
  74     @logs = Log.limit(10).filter([['object_uuid', '=', @object.uuid]])
  75
  76     @objects_and_names = []
  77     @objects.each do |object|
  78       if !(name_links = @objects.links_for(object, 'name')).empty?
  79         name_links.each do |name_link|
  80           @objects_and_names << [object, name_link]
  81         end
  82       else
  83         @objects_and_names << [object,
  84                                Link.new(tail_uuid: @object.uuid,
  85                                         head_uuid: object.uuid,
  86                                         link_class: "name",
  87                                         name: "")]
  88       end
  89     end
  90
  91     super
  92   end
  93
  94   def create
  95     @new_resource_attrs = (params['folder'] || {}).merge(group_class: 'folder')
  96     @new_resource_attrs[:name] ||= 'New folder'
  97     super
  98   end
  99 end