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 Advanced)
  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.uuid
  40       @removed_uuids << item.uuid
  41     end
  42   end
  43
  44   def find_objects_for_index
  45     @objects = Group.where(group_class: 'folder').order('name')
  46     super
  47     parent_of = {current_user.uuid => 'me'}
  48     @objects.each do |ob|
  49       parent_of[ob.uuid] = ob.owner_uuid
  50     end
  51     children_of = {false => [], 'me' => [current_user]}
  52     @objects.each do |ob|
  53       if ob.owner_uuid != current_user.uuid and
  54           not parent_of.has_key? ob.owner_uuid
  55         parent_of[ob.uuid] = false
  56       end
  57       children_of[parent_of[ob.uuid]] ||= []
  58       children_of[parent_of[ob.uuid]] << ob
  59     end
  60     buildtree = lambda do |children_of, root_uuid=false|
  61       tree = {}
  62       children_of[root_uuid].andand.each do |ob|
  63         tree[ob] = buildtree.call(children_of, ob.uuid)
  64       end
  65       tree
  66     end
  67     sorted_paths = lambda do |tree, depth=0|
  68       paths = []
  69       tree.keys.sort_by { |ob|
  70         ob.is_a?(String) ? ob : ob.friendly_link_name
  71       }.each do |ob|
  72         paths << {object: ob, depth: depth}
  73         paths += sorted_paths.call tree[ob], depth+1
  74       end
  75       paths
  76     end
  77     @my_folder_tree =
  78       sorted_paths.call buildtree.call(children_of, 'me')
  79     @shared_folder_tree =
  80       sorted_paths.call({'Shared with me' =>
  81                           buildtree.call(children_of, false)})
  82   end
  83
  84   def show
  85     @objects = @object.contents(limit: 50,
  86                                 include_linked: true,
  87                                 offset: params[:offset] || 0)
  88     @share_links = Link.filter([['head_uuid', '=', @object.uuid],
  89                                 ['link_class', '=', 'permission']])
  90     @logs = Log.limit(10).filter([['object_uuid', '=', @object.uuid]])
  91
  92     @objects_and_names = []
  93     @objects.each do |object|
  94       if !(name_links = @objects.links_for(object, 'name')).empty?
  95         name_links.each do |name_link|
  96           @objects_and_names << [object, name_link]
  97         end
  98       else
  99         @objects_and_names << [object,
 100                                Link.new(owner_uuid: @object.uuid,
 101                                         tail_uuid: @object.uuid,
 102                                         head_uuid: object.uuid,
 103                                         link_class: "name",
 104                                         name: "")]
 105       end
 106     end
 107     if params[:partial]
 108       respond_to do |f|
 109         f.json {
 110           render json: {
 111             content: render_to_string(partial: 'show_contents_rows.html',
 112                                       formats: [:html],
 113                                       locals: {
 114                                         objects_and_names: @objects_and_names,
 115                                         folder: @object
 116                                       }),
 117             next_page_href: (next_page_offset and
 118                              url_for(offset: next_page_offset, partial: true))
 119           }
 120         }
 121       end
 122     else
 123       super
 124     end
 125   end
 126
 127   def create
 128     @new_resource_attrs = (params['folder'] || {}).merge(group_class: 'folder')
 129     @new_resource_attrs[:name] ||= 'New folder'
 130     super
 131   end
 132
 133   def update
 134     @updates = params['folder']
 135     super
 136   end
 137 end