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     @limit = 5
 133     kind_filters = @filters.select do |attr,op,val|
 134       op == 'is_a' and val.is_a? Array and val.count > 1
 135     end
 136     if /^created_at/ =~ @order[0] and kind_filters.count == 1
 137       # If filtering on multiple types and sorting by date: Get the
 138       # first page of each type, sort the entire set, truncate to one
 139       # page, and use the last item on this page as a filter for
 140       # retrieving the next page. Ideally the API would do this for
 141       # us, but it doesn't (yet).
 142       @objects = []
 143       kind_filters.each do |attr,op,val|
 144         (val.is_a?(Array) ? val : [val]).each do |type|
 145           @objects += @object.contents(order: @order,
 146                                        limit: @limit,
 147                                        include_linked: true,
 148                                        filters: (@filters - kind_filters + [['uuid', 'is_a', type]]),
 149                                        offset: @offset)
 150         end
 151       end
 152       @objects = @objects.to_a.sort_by(&:created_at).reverse[0..@limit-1]
 153       @next_page_filters = @filters.reject do |attr,op,val|
 154         attr == 'created_at' and op == '<'
 155       end
 156       if @objects.any?
 157         @next_page_filters += [['created_at', '<', @objects.last.created_at]]
 158         @next_page_href = url_for(partial: :contents_rows,
 159                                   filters: @next_page_filters.to_json)
 160       else
 161         @next_page_href = nil
 162       end
 163     else
 164       @objects = @object.contents(order: @order,
 165                                   limit: @limit,
 166                                   include_linked: true,
 167                                   filters: @filters,
 168                                   offset: @offset)
 169       @next_page_href = next_page_href(partial: :contents_rows)
 170     end
 171   end
 172
 173   def show
 174     if !@object
 175       return render_not_found("object not found")
 176     end
 177
 178     @user_is_manager = false
 179     @share_links = []
 180     if @object.uuid != current_user.uuid
 181       begin
 182         @share_links = Link.permissions_for(@object)
 183         @user_is_manager = true
 184       rescue ArvadosApiClient::AccessForbiddenException,
 185         ArvadosApiClient::NotFoundException
 186       end
 187     end
 188
 189     if params[:partial]
 190       load_contents_objects
 191       respond_to do |f|
 192         f.json {
 193           render json: {
 194             content: render_to_string(partial: 'show_contents_rows.html',
 195                                       formats: [:html]),
 196             next_page_href: @next_page_href
 197           }
 198         }
 199       end
 200     else
 201       @objects = []
 202       super
 203     end
 204   end
 205
 206   def create
 207     @new_resource_attrs = (params['project'] || {}).merge(group_class: 'project')
 208     @new_resource_attrs[:name] ||= 'New project'
 209     super
 210   end
 211
 212   def update
 213     @updates = params['project']
 214     super
 215   end
 216
 217   helper_method :get_objects_and_names
 218   def get_objects_and_names(objects=nil)
 219     objects = @objects if objects.nil?
 220     objects_and_names = []
 221     objects.each do |object|
 222       if objects.respond_to? :links_for and
 223           !(name_links = objects.links_for(object, 'name')).empty?
 224         name_links.each do |name_link|
 225           objects_and_names << [object, name_link]
 226         end
 227       elsif object.respond_to? :name
 228         objects_and_names << [object, object]
 229       else
 230         objects_and_names << [object,
 231                                Link.new(owner_uuid: @object.uuid,
 232                                         tail_uuid: @object.uuid,
 233                                         head_uuid: object.uuid,
 234                                         link_class: "name",
 235                                         name: "")]
 236       end
 237     end
 238     objects_and_names
 239   end
 240
 241   def share_with
 242     if not params[:uuids].andand.any?
 243       @errors = ["No user/group UUIDs specified to share with."]
 244       return render_error(status: 422)
 245     end
 246     results = {"success" => [], "errors" => []}
 247     params[:uuids].each do |shared_uuid|
 248       begin
 249         Link.create(tail_uuid: shared_uuid, link_class: "permission",
 250                     name: "can_read", head_uuid: @object.uuid)
 251       rescue ArvadosApiClient::ApiError => error
 252         error_list = error.api_response.andand[:errors]
 253         if error_list.andand.any?
 254           results["errors"] += error_list.map { |e| "#{shared_uuid}: #{e}" }
 255         else
 256           error_code = error.api_status || "Bad status"
 257           results["errors"] << "#{shared_uuid}: #{error_code} response"
 258         end
 259       else
 260         results["success"] << shared_uuid
 261       end
 262     end
 263     if results["errors"].empty?
 264       results.delete("errors")
 265       status = 200
 266     else
 267       status = 422
 268     end
 269     respond_to do |f|
 270       f.json { render(json: results, status: status) }
 271     end
 272   end
 273 end