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     params[:item_uuids] = [params[:item_uuid]]
  16     remove_items
  17     render template: 'folders/remove_items'
  18   end
  19
  20   def remove_items
  21     @removed_uuids = []
  22     links = []
  23     params[:item_uuids].collect { |uuid| ArvadosBase.find uuid }.each do |item|
  24       if (item.class == Link and
  25           item.link_class == 'name' and
  26           item.tail_uuid == @object.uuid)
  27         # Given uuid is a name link, linking an object to this
  28         # folder. First follow the link to find the item we're removing,
  29         # then delete the link.
  30         links << item
  31         item = ArvadosBase.find item.head_uuid
  32       else
  33         # Given uuid is an object. Delete all names.
  34         links += Link.where(tail_uuid: @object.uuid,
  35                             head_uuid: item.uuid,
  36                             link_class: 'name')
  37       end
  38       links.each do |link|
  39         @removed_uuids << link.uuid
  40         link.destroy
  41       end
  42       if item.owner_uuid == @object.uuid
  43         # Object is owned by this folder. Remove it from the folder by
  44         # changing owner to the current user.
  45         item.update_attributes owner_uuid: current_user.uuid
  46         @removed_uuids << item.uuid
  47       end
  48     end
  49   end
  50
  51   def find_objects_for_index
  52     @objects = Group.where(group_class: 'folder').order('name')
  53     super
  54     parent_of = {current_user.uuid => 'me'}
  55     @objects.each do |ob|
  56       parent_of[ob.uuid] = ob.owner_uuid
  57     end
  58     children_of = {false => [], 'me' => [current_user]}
  59     @objects.each do |ob|
  60       if ob.owner_uuid != current_user.uuid and
  61           not parent_of.has_key? ob.owner_uuid
  62         parent_of[ob.uuid] = false
  63       end
  64       children_of[parent_of[ob.uuid]] ||= []
  65       children_of[parent_of[ob.uuid]] << ob
  66     end
  67     buildtree = lambda do |children_of, root_uuid=false|
  68       tree = {}
  69       children_of[root_uuid].andand.each do |ob|
  70         tree[ob] = buildtree.call(children_of, ob.uuid)
  71       end
  72       tree
  73     end
  74     sorted_paths = lambda do |tree, depth=0|
  75       paths = []
  76       tree.keys.sort_by { |ob|
  77         ob.is_a?(String) ? ob : ob.friendly_link_name
  78       }.each do |ob|
  79         paths << {object: ob, depth: depth}
  80         paths += sorted_paths.call tree[ob], depth+1
  81       end
  82       paths
  83     end
  84     @my_folder_tree =
  85       sorted_paths.call buildtree.call(children_of, 'me')
  86     @shared_folder_tree =
  87       sorted_paths.call({'Shared with me' =>
  88                           buildtree.call(children_of, false)})
  89   end
  90
  91   def show
  92     @objects = @object.contents(limit: 50,
  93                                 include_linked: true,
  94                                 offset: params[:offset] || 0)
  95     @share_links = Link.filter([['head_uuid', '=', @object.uuid],
  96                                 ['link_class', '=', 'permission']])
  97     @logs = Log.limit(10).filter([['object_uuid', '=', @object.uuid]])
  98
  99     @objects_and_names = []
 100     @objects.each do |object|
 101       if !(name_links = @objects.links_for(object, 'name')).empty?
 102         name_links.each do |name_link|
 103           @objects_and_names << [object, name_link]
 104         end
 105       elsif object.respond_to? :name
 106         @objects_and_names << [object, object]
 107       else
 108         @objects_and_names << [object,
 109                                Link.new(owner_uuid: @object.uuid,
 110                                         tail_uuid: @object.uuid,
 111                                         head_uuid: object.uuid,
 112                                         link_class: "name",
 113                                         name: "")]
 114       end
 115     end
 116     if params[:partial]
 117       respond_to do |f|
 118         f.json {
 119           render json: {
 120             content: render_to_string(partial: 'show_contents_rows.html',
 121                                       formats: [:html],
 122                                       locals: {
 123                                         objects_and_names: @objects_and_names,
 124                                         folder: @object
 125                                       }),
 126             next_page_href: (next_page_offset and
 127                              url_for(offset: next_page_offset, partial: true))
 128           }
 129         }
 130       end
 131     else
 132       super
 133     end
 134   end
 135
 136   def create
 137     @new_resource_attrs = (params['folder'] || {}).merge(group_class: 'folder')
 138     @new_resource_attrs[:name] ||= 'New folder'
 139     super
 140   end
 141
 142   def update
 143     @updates = params['folder']
 144     super
 145   end
 146 end