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 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     @objects = Group.where(group_class: 'folder').order('name')
  42     parent_of = {current_user.uuid => 'me'}
  43     @objects.each do |ob|
  44       parent_of[ob.uuid] = ob.owner_uuid
  45     end
  46     children_of = {false => [], 'me' => [current_user]}
  47     @objects.each do |ob|
  48       if ob.owner_uuid != current_user.uuid and
  49           not parent_of.has_key? ob.owner_uuid
  50         parent_of[ob.uuid] = false
  51       end
  52       children_of[parent_of[ob.uuid]] ||= []
  53       children_of[parent_of[ob.uuid]] << ob
  54     end
  55     buildtree = lambda do |children_of, root_uuid=false|
  56       tree = {}
  57       children_of[root_uuid].andand.each do |ob|
  58         tree[ob] = buildtree.call(children_of, ob.uuid)
  59       end
  60       tree
  61     end
  62     sorted_paths = lambda do |tree, depth=0|
  63       paths = []
  64       tree.keys.sort_by { |ob|
  65         ob.is_a?(String) ? ob : ob.friendly_link_name
  66       }.each do |ob|
  67         paths << {object: ob, depth: depth}
  68         paths += sorted_paths.call tree[ob], depth+1
  69       end
  70       paths
  71     end
  72     @my_folder_tree =
  73       sorted_paths.call buildtree.call(children_of, 'me')
  74     @shared_folder_tree =
  75       sorted_paths.call({'Shared with me' =>
  76                           buildtree.call(children_of, false)})
  77   end
  78
  79   def choose
  80     index
  81     render partial: 'choose'
  82   end
  83
  84   def show
  85     @objects = @object.contents include_linked: true
  86     @share_links = Link.filter([['head_uuid', '=', @object.uuid],
  87                                 ['link_class', '=', 'permission']])
  88     @logs = Log.limit(10).filter([['object_uuid', '=', @object.uuid]])
  89
  90     @objects_and_names = []
  91     @objects.each do |object|
  92       if !(name_links = @objects.links_for(object, 'name')).empty?
  93         name_links.each do |name_link|
  94           @objects_and_names << [object, name_link]
  95         end
  96       else
  97         @objects_and_names << [object,
  98                                Link.new(tail_uuid: @object.uuid,
  99                                         head_uuid: object.uuid,
 100                                         link_class: "name",
 101                                         name: "")]
 102       end
 103     end
 104
 105     super
 106   end
 107
 108   def create
 109     @new_resource_attrs = (params['folder'] || {}).merge(group_class: 'folder')
 110     @new_resource_attrs[:name] ||= 'New folder'
 111     super
 112   end
 113
 114   def update
 115     @updates = params['folder']
 116     super
 117   end
 118 end