apps/workbench/app/controllers/projects_controller.rb

   1 class ProjectsController < ApplicationController
   2   def model_class
   3     Group
   4   end
   5
   6   def find_object_by_uuid
   7     if current_user and params[:uuid] == current_user.uuid
   8       @object = current_user.dup
   9       @object.uuid = current_user.uuid
  10       class << @object
  11         def name
  12           'Home'
  13         end
  14         def description
  15           ''
  16         end
  17         def attribute_editable? attr, *args
  18           case attr
  19           when 'description', 'name'
  20             false
  21           else
  22             super
  23           end
  24         end
  25       end
  26     else
  27       super
  28     end
  29   end
  30
  31   def index_pane_list
  32     %w(Projects)
  33   end
  34
  35   def show_pane_list
  36     if @user_is_manager
  37       %w(Data_collections Jobs_and_pipelines Pipeline_templates Subprojects Other_objects Sharing Advanced)
  38     else
  39       %w(Data_collections Jobs_and_pipelines Pipeline_templates Subprojects Other_objects Advanced)
  40     end
  41   end
  42
  43   def remove_item
  44     params[:item_uuids] = [params[:item_uuid]]
  45     remove_items
  46     render template: 'projects/remove_items'
  47   end
  48
  49   def remove_items
  50     @removed_uuids = []
  51     links = []
  52     params[:item_uuids].collect { |uuid| ArvadosBase.find uuid }.each do |item|
  53       if (item.class == Link and
  54           item.link_class == 'name' and
  55           item.tail_uuid == @object.uuid)
  56         # Given uuid is a name link, linking an object to this
  57         # project. First follow the link to find the item we're removing,
  58         # then delete the link.
  59         links << item
  60         item = ArvadosBase.find item.head_uuid
  61       else
  62         # Given uuid is an object. Delete all names.
  63         links += Link.where(tail_uuid: @object.uuid,
  64                             head_uuid: item.uuid,
  65                             link_class: 'name')
  66       end
  67       links.each do |link|
  68         @removed_uuids << link.uuid
  69         link.destroy
  70       end
  71       if item.owner_uuid == @object.uuid
  72         # Object is owned by this project. Remove it from the project by
  73         # changing owner to the current user.
  74         item.update_attributes owner_uuid: current_user.uuid
  75         @removed_uuids << item.uuid
  76       end
  77     end
  78   end
  79
  80   def move_items
  81     target_uuid = params['target']
  82     uuids_to_add = session[:selected_move_items]
  83
  84     uuids_to_add.
  85       collect { |x| ArvadosBase::resource_class_for_uuid(x) }.
  86       uniq.
  87       each do |resource_class|
  88       resource_class.filter([['uuid','in',uuids_to_add]]).each do |dst|
  89         if resource_class == Collection
  90           dst = Link.new(owner_uuid: target_uuid,
  91                          tail_uuid: target_uuid,
  92                          head_uuid: dst.uuid,
  93                          link_class: 'name',
  94                          name: target_uuid)
  95         else
  96           dst.owner_uuid = target_uuid
  97           dst.tail_uuid = target_uuid if dst.class == Link
  98         end
  99         dst.save!
 100       end
 101     end
 102     session[:selected_move_items] = nil
 103     redirect_to @object
 104   end
 105
 106   def destroy
 107     while (objects = Link.filter([['owner_uuid','=',@object.uuid],
 108                                   ['tail_uuid','=',@object.uuid]])).any?
 109       objects.each do |object|
 110         object.destroy
 111       end
 112     end
 113     while (objects = @object.contents(include_linked: false)).any?
 114       objects.each do |object|
 115         object.update_attributes! owner_uuid: current_user.uuid
 116       end
 117     end
 118     if ArvadosBase::resource_class_for_uuid(@object.owner_uuid) == Group
 119       params[:return_to] ||= group_path(@object.owner_uuid)
 120     else
 121       params[:return_to] ||= projects_path
 122     end
 123     super
 124   end
 125
 126   def find_objects_for_index
 127     @objects = all_projects
 128     super
 129   end
 130
 131   def load_contents_objects kinds=[]
 132     kind_filters = @filters.select do |attr,op,val|
 133       op == 'is_a' and val.is_a? Array and val.count > 1
 134     end
 135     if /^created_at/ =~ @order[0] and kind_filters.count == 1
 136       # If filtering on multiple types and sorting by date: Get the
 137       # first page of each type, sort the entire set, truncate to one
 138       # page, and use the last item on this page as a filter for
 139       # retrieving the next page. Ideally the API would do this for
 140       # us, but it doesn't (yet).
 141       @objects = []
 142       kind_filters.each do |attr,op,val|
 143         (val.is_a?(Array) ? val : [val]).each do |type|
 144           @objects += @object.contents(order: @order,
 145                                        limit: @limit,
 146                                        include_linked: true,
 147                                        filters: (@filters - kind_filters + [['uuid', 'is_a', type]]),
 148                                        offset: @offset)
 149         end
 150       end
 151       @objects = @objects.to_a.sort_by(&:created_at).reverse[0..@limit-1]
 152       @next_page_filters = @filters.reject do |attr,op,val|
 153         attr == 'created_at' and op == '<'
 154       end
 155       if @objects.any?
 156         @next_page_filters += [['created_at', '<', @objects.last.created_at]]
 157         @next_page_href = url_for(partial: :contents_rows,
 158                                   filters: @next_page_filters.to_json)
 159       else
 160         @next_page_href = nil
 161       end
 162     else
 163       @objects = @object.contents(order: @order,
 164                                   limit: @limit,
 165                                   include_linked: true,
 166                                   filters: @filters,
 167                                   offset: @offset)
 168       @next_page_href = next_page_href(partial: :contents_rows)
 169     end
 170   end
 171
 172   def show
 173     if !@object
 174       return render_not_found("object not found")
 175     end
 176
 177     @user_is_manager = false
 178     @share_links = []
 179     if @object.uuid != current_user.uuid
 180       begin
 181         @share_links = Link.permissions_for(@object)
 182         @user_is_manager = true
 183       rescue ArvadosApiClient::AccessForbiddenException,
 184         ArvadosApiClient::NotFoundException
 185       end
 186     end
 187
 188     if params[:partial]
 189       load_contents_objects
 190       respond_to do |f|
 191         f.json {
 192           render json: {
 193             content: render_to_string(partial: 'show_contents_rows.html',
 194                                       formats: [:html]),
 195             next_page_href: @next_page_href
 196           }
 197         }
 198       end
 199     else
 200       @objects = []
 201       super
 202     end
 203   end
 204
 205   def create
 206     @new_resource_attrs = (params['project'] || {}).merge(group_class: 'project')
 207     @new_resource_attrs[:name] ||= 'New project'
 208     super
 209   end
 210
 211   def update
 212     @updates = params['project']
 213     super
 214   end
 215
 216   helper_method :get_objects_and_names
 217   def get_objects_and_names(objects=nil)
 218     objects = @objects if objects.nil?
 219     objects_and_names = []
 220     objects.each do |object|
 221       if objects.respond_to? :links_for and
 222           !(name_links = objects.links_for(object, 'name')).empty?
 223         name_links.each do |name_link|
 224           objects_and_names << [object, name_link]
 225         end
 226       elsif object.respond_to? :name
 227         objects_and_names << [object, object]
 228       else
 229         objects_and_names << [object,
 230                                Link.new(owner_uuid: @object.uuid,
 231                                         tail_uuid: @object.uuid,
 232                                         head_uuid: object.uuid,
 233                                         link_class: "name",
 234                                         name: "")]
 235       end
 236     end
 237     objects_and_names
 238   end
 239
 240   def share_with
 241     if not params[:uuids].andand.any?
 242       @errors = ["No user/group UUIDs specified to share with."]
 243       return render_error(status: 422)
 244     end
 245     results = {"success" => [], "errors" => []}
 246     params[:uuids].each do |shared_uuid|
 247       begin
 248         Link.create(tail_uuid: shared_uuid, link_class: "permission",
 249                     name: "can_read", head_uuid: @object.uuid)
 250       rescue ArvadosApiClient::ApiError => error
 251         error_list = error.api_response.andand[:errors]
 252         if error_list.andand.any?
 253           results["errors"] += error_list.map { |e| "#{shared_uuid}: #{e}" }
 254         else
 255           error_code = error.api_status || "Bad status"
 256           results["errors"] << "#{shared_uuid}: #{error_code} response"
 257         end
 258       else
 259         results["success"] << shared_uuid
 260       end
 261     end
 262     if results["errors"].empty?
 263       results.delete("errors")
 264       status = 200
 265     else
 266       status = 422
 267     end
 268     respond_to do |f|
 269       f.json { render(json: results, status: status) }
 270     end
 271   end
 272 end