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(Folders)
   8   end
   9
  10   def show_pane_list
  11     %w(Contents Permissions)
  12   end
  13
  14   def remove_item
  15     @removed_uuids = []
  16     links = []
  17     item = ArvadosBase.find params[:item_uuid]
  18     if (item.class == Link and
  19         item.link_class == 'name' and
  20         item.tail_uuid = @object.uuid)
  21       # Given uuid is a name link, linking an object to this
  22       # folder. First follow the link to find the item we're removing,
  23       # then delete the link.
  24       links << item
  25       item = ArvadosBase.find item.head_uuid
  26     else
  27       # Given uuid is an object. Delete all names.
  28       links += Link.where(tail_uuid: @object.uuid,
  29                           head_uuid: item.uuid,
  30                           link_class: 'name')
  31     end
  32     links.each do |link|
  33       @removed_uuids << link.uuid
  34       link.destroy
  35     end
  36     if item.owner_uuid == @object.uuid
  37       # Object is owned by this folder. Remove it from the folder by
  38       # changing owner to the current user.
  39       item.update_attributes owner_uuid: current_user
  40       @removed_uuids << item.uuid
  41     end
  42   end
  43
  44   def index
  45     @objects = Group.where(group_class: 'folder').order('name')
  46     parent_of = {current_user.uuid => 'me'}
  47     @objects.each do |ob|
  48       parent_of[ob.uuid] = ob.owner_uuid
  49     end
  50     children_of = {false => [], 'me' => [current_user]}
  51     @objects.each do |ob|
  52       if ob.owner_uuid != current_user.uuid and
  53           not parent_of.has_key? ob.owner_uuid
  54         parent_of[ob.uuid] = false
  55       end
  56       children_of[parent_of[ob.uuid]] ||= []
  57       children_of[parent_of[ob.uuid]] << ob
  58     end
  59     buildtree = lambda do |children_of, root_uuid=false|
  60       tree = {}
  61       children_of[root_uuid].andand.each do |ob|
  62         tree[ob] = buildtree.call(children_of, ob.uuid)
  63       end
  64       tree
  65     end
  66     sorted_paths = lambda do |tree, depth=0|
  67       paths = []
  68       tree.keys.sort_by { |ob|
  69         ob.is_a?(String) ? ob : ob.friendly_link_name
  70       }.each do |ob|
  71         paths << {object: ob, depth: depth}
  72         paths += sorted_paths.call tree[ob], depth+1
  73       end
  74       paths
  75     end
  76     @my_folder_tree =
  77       sorted_paths.call buildtree.call(children_of, 'me')
  78     @shared_folder_tree =
  79       sorted_paths.call({'Shared with me' =>
  80                           buildtree.call(children_of, false)})
  81   end
  82
  83   def show
  84     @objects = @object.contents include_linked: true
  85     @share_links = Link.filter([['head_uuid', '=', @object.uuid],
  86                                 ['link_class', '=', 'permission']])
  87     @logs = Log.limit(10).filter([['object_uuid', '=', @object.uuid]])
  88
  89     @objects_and_names = []
  90     @objects.each do |object|
  91       if !(name_links = @objects.links_for(object, 'name')).empty?
  92         name_links.each do |name_link|
  93           @objects_and_names << [object, name_link]
  94         end
  95       else
  96         @objects_and_names << [object,
  97                                Link.new(tail_uuid: @object.uuid,
  98                                         head_uuid: object.uuid,
  99                                         link_class: "name",
 100                                         name: "")]
 101       end
 102     end
 103
 104     super
 105   end
 106
 107   def create
 108     @new_resource_attrs = (params['folder'] || {}).merge(group_class: 'folder')
 109     @new_resource_attrs[:name] ||= 'New folder'
 110     super
 111   end
 112
 113   def update
 114     @updates = params['folder']
 115     super
 116   end
 117 end