apps/workbench/app/controllers/actions_controller.rb

   1 require "arvados/collection"
   2
   3 class ActionsController < ApplicationController
   4
   5   # Skip require_thread_api_token if this is a show action
   6   # for an object uuid that supports anonymous access.
   7   skip_around_filter :require_thread_api_token, if: proc { |ctrl|
   8     Rails.configuration.anonymous_user_token and
   9     'show' == ctrl.action_name and
  10     params['uuid'] and
  11     model_class.in?([Collection, Group, Job, PipelineInstance, PipelineTemplate])
  12   }
  13   skip_filter :require_thread_api_token, only: [:report_issue_popup, :report_issue]
  14   skip_filter :check_user_agreements, only: [:report_issue_popup, :report_issue]
  15
  16   @@exposed_actions = {}
  17   def self.expose_action method, &block
  18     @@exposed_actions[method] = true
  19     define_method method, block
  20   end
  21
  22   def model_class
  23     ArvadosBase::resource_class_for_uuid(params[:uuid])
  24   end
  25
  26   def show
  27     @object = model_class.andand.find(params[:uuid])
  28     if @object.is_a? Link and
  29         @object.link_class == 'name' and
  30         ArvadosBase::resource_class_for_uuid(@object.head_uuid) == Collection
  31       redirect_to collection_path(id: @object.uuid)
  32     elsif @object.is_a?(Group) and @object.group_class == 'project'
  33       redirect_to project_path(id: @object.uuid)
  34     elsif @object
  35       redirect_to @object
  36     else
  37       raise ActiveRecord::RecordNotFound
  38     end
  39   end
  40
  41   def post
  42     params.keys.collect(&:to_sym).each do |param|
  43       if @@exposed_actions[param]
  44         return self.send(param)
  45       end
  46     end
  47     redirect_to :back
  48   end
  49
  50   expose_action :copy_selections_into_project do
  51     move_or_copy :copy
  52   end
  53
  54   expose_action :move_selections_into_project do
  55     move_or_copy :move
  56   end
  57
  58   def move_or_copy action
  59     uuids_to_add = params["selection"]
  60     uuids_to_add = [ uuids_to_add ] unless uuids_to_add.is_a? Array
  61     resource_classes = uuids_to_add.
  62       collect { |x| ArvadosBase::resource_class_for_uuid(x) }.
  63       uniq
  64     resource_classes.each do |resource_class|
  65       resource_class.filter([['uuid','in',uuids_to_add]]).each do |src|
  66         if resource_class == Collection and not Collection.attribute_info.include?(:name)
  67           dst = Link.new(owner_uuid: @object.uuid,
  68                          tail_uuid: @object.uuid,
  69                          head_uuid: src.uuid,
  70                          link_class: 'name',
  71                          name: src.uuid)
  72         else
  73           case action
  74           when :copy
  75             dst = src.dup
  76             if dst.respond_to? :'name='
  77               if dst.name
  78                 dst.name = "Copy of #{dst.name}"
  79               else
  80                 dst.name = "Copy of unnamed #{dst.class_for_display.downcase}"
  81               end
  82             end
  83             if resource_class == Collection
  84               dst.manifest_text = Collection.select([:manifest_text]).where(uuid: src.uuid).first.manifest_text
  85             end
  86           when :move
  87             dst = src
  88           else
  89             raise ArgumentError.new "Unsupported action #{action}"
  90           end
  91           dst.owner_uuid = @object.uuid
  92           dst.tail_uuid = @object.uuid if dst.class == Link
  93         end
  94         begin
  95           dst.save!
  96         rescue
  97           dst.name += " (#{Time.now.localtime})" if dst.respond_to? :name=
  98           dst.save!
  99         end
 100       end
 101     end
 102     if (resource_classes == [Collection] and
 103         @object.is_a? Group and
 104         @object.group_class == 'project') or
 105         @object.is_a? User
 106       # In the common case where only collections are copied/moved
 107       # into a project, it's polite to land on the collections tab on
 108       # the destination project.
 109       redirect_to project_url(@object.uuid, anchor: 'Data_collections')
 110     else
 111       # Otherwise just land on the default (Description) tab.
 112       redirect_to @object
 113     end
 114   end
 115
 116   expose_action :combine_selected_files_into_collection do
 117     uuids, source_paths = selected_collection_files params
 118
 119     new_coll = Arv::Collection.new
 120     Collection.where(uuid: uuids.uniq).
 121         select([:uuid, :manifest_text]).each do |coll|
 122       src_coll = Arv::Collection.new(coll.manifest_text)
 123       src_pathlist = source_paths[coll.uuid]
 124       if src_pathlist.any?(&:blank?)
 125         src_pathlist = src_coll.each_file_path
 126         destdir = nil
 127       else
 128         destdir = "."
 129       end
 130       src_pathlist.each do |src_path|
 131         src_path = src_path.sub(/^(\.\/|\/|)/, "./")
 132         src_stream, _, basename = src_path.rpartition("/")
 133         dst_stream = destdir || src_stream
 134         # Generate a unique name by adding (1), (2), etc. to it.
 135         # If the filename has a dot that's not at the beginning, insert the
 136         # number just before that.  Otherwise, append the number to the name.
 137         if match = basename.match(/[^\.]\./)
 138           suffix_start = match.begin(0) + 1
 139         else
 140           suffix_start = basename.size
 141         end
 142         suffix_size = 0
 143         dst_path = nil
 144         loop.each_with_index do |_, try_count|
 145           dst_path = "#{dst_stream}/#{basename}"
 146           break unless new_coll.exist?(dst_path)
 147           uniq_suffix = "(#{try_count + 1})"
 148           basename[suffix_start, suffix_size] = uniq_suffix
 149           suffix_size = uniq_suffix.size
 150         end
 151         new_coll.cp_r(src_path, dst_path, src_coll)
 152       end
 153     end
 154
 155     coll_attrs = {
 156       manifest_text: new_coll.manifest_text,
 157       name: "Collection created at #{Time.now.localtime}",
 158     }
 159     flash = {}
 160
 161     # set owner_uuid to current project, provided it is writable
 162     action_data = Oj.load(params['action_data'] || "{}")
 163     if action_data['current_project_uuid'] and
 164         current_project = Group.find?(action_data['current_project_uuid']) and
 165         current_project.writable_by.andand.include?(current_user.uuid)
 166       coll_attrs[:owner_uuid] = current_project.uuid
 167       flash[:message] =
 168         "Created new collection in the project #{current_project.name}."
 169     else
 170       flash[:message] = "Created new collection in your Home project."
 171     end
 172
 173     newc = Collection.create!(coll_attrs)
 174     source_paths.each_key do |src_uuid|
 175       unless Link.create({
 176                            tail_uuid: src_uuid,
 177                            head_uuid: newc.uuid,
 178                            link_class: "provenance",
 179                            name: "provided",
 180                          })
 181         flash[:error] = "
 182 An error occurred when saving provenance information for this collection.
 183 You can try recreating the collection to get a copy with full provenance data."
 184         break
 185       end
 186     end
 187     redirect_to(newc, flash: flash)
 188   end
 189
 190   def report_issue_popup
 191     respond_to do |format|
 192       format.js
 193       format.html
 194     end
 195   end
 196
 197   def report_issue
 198     logger.warn "report_issue: #{params.inspect}"
 199
 200     respond_to do |format|
 201       IssueReporter.send_report(current_user, params).deliver
 202       format.js {render nothing: true}
 203     end
 204   end
 205
 206   # star / unstar the current project
 207   def star
 208     links = Link.where(tail_uuid: current_user.uuid,
 209                        head_uuid: @object.uuid,
 210                        link_class: 'star')
 211
 212     if params['status'] == 'create'
 213       # create 'star' link if one does not already exist
 214       if !links.andand.any?
 215         dst = Link.new(owner_uuid: current_user.uuid,
 216                        tail_uuid: current_user.uuid,
 217                        head_uuid: @object.uuid,
 218                        link_class: 'star',
 219                        name: @object.uuid)
 220         dst.save!
 221       end
 222     else # delete any existing 'star' links
 223       if links.andand.any?
 224         links.each do |link|
 225           link.destroy
 226         end
 227       end
 228     end
 229
 230     respond_to do |format|
 231       format.js
 232     end
 233   end
 234
 235   protected
 236
 237   def derive_unique_filename filename, manifest_files
 238     filename_parts = filename.split('.')
 239     filename_part = filename_parts[0]
 240     counter = 1
 241     while true
 242       return filename if !manifest_files.include? filename
 243       filename_parts[0] = filename_part + "(" + counter.to_s + ")"
 244       filename = filename_parts.join('.')
 245       counter += 1
 246     end
 247   end
 248
 249 end