apps/workbench/app/controllers/actions_controller.rb

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: AGPL-3.0
   4
   5 require "arvados/collection"
   6
   7 class ActionsController < ApplicationController
   8
   9   # Skip require_thread_api_token if this is a show action
  10   # for an object uuid that supports anonymous access.
  11   skip_around_filter :require_thread_api_token, if: proc { |ctrl|
  12     Rails.configuration.anonymous_user_token and
  13     'show' == ctrl.action_name and
  14     params['uuid'] and
  15     model_class.in?([Collection, Group, Job, PipelineInstance, PipelineTemplate])
  16   }
  17   skip_filter :require_thread_api_token, only: [:report_issue_popup, :report_issue]
  18   skip_filter :check_user_agreements, only: [:report_issue_popup, :report_issue]
  19
  20   @@exposed_actions = {}
  21   def self.expose_action method, &block
  22     @@exposed_actions[method] = true
  23     define_method method, block
  24   end
  25
  26   def model_class
  27     ArvadosBase::resource_class_for_uuid(params[:uuid])
  28   end
  29
  30   def show
  31     @object = model_class.andand.find(params[:uuid])
  32     if @object.is_a? Link and
  33         @object.link_class == 'name' and
  34         ArvadosBase::resource_class_for_uuid(@object.head_uuid) == Collection
  35       redirect_to collection_path(id: @object.uuid)
  36     elsif @object.is_a?(Group) and @object.group_class == 'project'
  37       redirect_to project_path(id: @object.uuid)
  38     elsif @object
  39       redirect_to @object
  40     else
  41       raise ActiveRecord::RecordNotFound
  42     end
  43   end
  44
  45   def post
  46     params.keys.collect(&:to_sym).each do |param|
  47       if @@exposed_actions[param]
  48         return self.send(param)
  49       end
  50     end
  51     redirect_to :back
  52   end
  53
  54   expose_action :copy_selections_into_project do
  55     move_or_copy :copy
  56   end
  57
  58   expose_action :move_selections_into_project do
  59     move_or_copy :move
  60   end
  61
  62   def move_or_copy action
  63     uuids_to_add = params["selection"]
  64     uuids_to_add = [ uuids_to_add ] unless uuids_to_add.is_a? Array
  65     resource_classes = uuids_to_add.
  66       collect { |x| ArvadosBase::resource_class_for_uuid(x) }.
  67       uniq
  68     resource_classes.each do |resource_class|
  69       resource_class.filter([['uuid','in',uuids_to_add]]).each do |src|
  70         if resource_class == Collection and not Collection.attribute_info.include?(:name)
  71           dst = Link.new(owner_uuid: @object.uuid,
  72                          tail_uuid: @object.uuid,
  73                          head_uuid: src.uuid,
  74                          link_class: 'name',
  75                          name: src.uuid)
  76         else
  77           case action
  78           when :copy
  79             dst = src.dup
  80             if dst.respond_to? :'name='
  81               if dst.name
  82                 dst.name = "Copy of #{dst.name}"
  83               else
  84                 dst.name = "Copy of unnamed #{dst.class_for_display.downcase}"
  85               end
  86             end
  87             if resource_class == Collection
  88               dst.manifest_text = Collection.select([:manifest_text]).where(uuid: src.uuid).first.manifest_text
  89             end
  90           when :move
  91             dst = src
  92           else
  93             raise ArgumentError.new "Unsupported action #{action}"
  94           end
  95           dst.owner_uuid = @object.uuid
  96           dst.tail_uuid = @object.uuid if dst.class == Link
  97         end
  98         begin
  99           dst.save!
 100         rescue
 101           dst.name += " (#{Time.now.localtime})" if dst.respond_to? :name=
 102           dst.save!
 103         end
 104       end
 105     end
 106     if (resource_classes == [Collection] and
 107         @object.is_a? Group and
 108         @object.group_class == 'project') or
 109         @object.is_a? User
 110       # In the common case where only collections are copied/moved
 111       # into a project, it's polite to land on the collections tab on
 112       # the destination project.
 113       redirect_to project_url(@object.uuid, anchor: 'Data_collections')
 114     else
 115       # Otherwise just land on the default (Description) tab.
 116       redirect_to @object
 117     end
 118   end
 119
 120   expose_action :combine_selected_files_into_collection do
 121     uuids, source_paths = selected_collection_files params
 122
 123     new_coll = Arv::Collection.new
 124     Collection.where(uuid: uuids.uniq).
 125         select([:uuid, :manifest_text]).each do |coll|
 126       src_coll = Arv::Collection.new(coll.manifest_text)
 127       src_pathlist = source_paths[coll.uuid]
 128       if src_pathlist.any?(&:blank?)
 129         src_pathlist = src_coll.each_file_path
 130         destdir = nil
 131       else
 132         destdir = "."
 133       end
 134       src_pathlist.each do |src_path|
 135         src_path = src_path.sub(/^(\.\/|\/|)/, "./")
 136         src_stream, _, basename = src_path.rpartition("/")
 137         dst_stream = destdir || src_stream
 138         # Generate a unique name by adding (1), (2), etc. to it.
 139         # If the filename has a dot that's not at the beginning, insert the
 140         # number just before that.  Otherwise, append the number to the name.
 141         if match = basename.match(/[^\.]\./)
 142           suffix_start = match.begin(0) + 1
 143         else
 144           suffix_start = basename.size
 145         end
 146         suffix_size = 0
 147         dst_path = nil
 148         loop.each_with_index do |_, try_count|
 149           dst_path = "#{dst_stream}/#{basename}"
 150           break unless new_coll.exist?(dst_path)
 151           uniq_suffix = "(#{try_count + 1})"
 152           basename[suffix_start, suffix_size] = uniq_suffix
 153           suffix_size = uniq_suffix.size
 154         end
 155         new_coll.cp_r(src_path, dst_path, src_coll)
 156       end
 157     end
 158
 159     coll_attrs = {
 160       manifest_text: new_coll.manifest_text,
 161       name: "Collection created at #{Time.now.localtime}",
 162     }
 163     flash = {}
 164
 165     # set owner_uuid to current project, provided it is writable
 166     action_data = Oj.load(params['action_data'] || "{}")
 167     if action_data['current_project_uuid'] and
 168         current_project = Group.find?(action_data['current_project_uuid']) and
 169         current_project.writable_by.andand.include?(current_user.uuid)
 170       coll_attrs[:owner_uuid] = current_project.uuid
 171       flash[:message] =
 172         "Created new collection in the project #{current_project.name}."
 173     else
 174       flash[:message] = "Created new collection in your Home project."
 175     end
 176
 177     newc = Collection.create!(coll_attrs)
 178     source_paths.each_key do |src_uuid|
 179       unless Link.create({
 180                            tail_uuid: src_uuid,
 181                            head_uuid: newc.uuid,
 182                            link_class: "provenance",
 183                            name: "provided",
 184                          })
 185         flash[:error] = "
 186 An error occurred when saving provenance information for this collection.
 187 You can try recreating the collection to get a copy with full provenance data."
 188         break
 189       end
 190     end
 191     redirect_to(newc, flash: flash)
 192   end
 193
 194   def report_issue_popup
 195     respond_to do |format|
 196       format.js
 197       format.html
 198     end
 199   end
 200
 201   def report_issue
 202     logger.warn "report_issue: #{params.inspect}"
 203
 204     respond_to do |format|
 205       IssueReporter.send_report(current_user, params).deliver
 206       format.js {render nothing: true}
 207     end
 208   end
 209
 210   # star / unstar the current project
 211   def star
 212     links = Link.where(tail_uuid: current_user.uuid,
 213                        head_uuid: @object.uuid,
 214                        link_class: 'star')
 215
 216     if params['status'] == 'create'
 217       # create 'star' link if one does not already exist
 218       if !links.andand.any?
 219         dst = Link.new(owner_uuid: current_user.uuid,
 220                        tail_uuid: current_user.uuid,
 221                        head_uuid: @object.uuid,
 222                        link_class: 'star',
 223                        name: @object.uuid)
 224         dst.save!
 225       end
 226     else # delete any existing 'star' links
 227       if links.andand.any?
 228         links.each do |link|
 229           link.destroy
 230         end
 231       end
 232     end
 233
 234     respond_to do |format|
 235       format.js
 236     end
 237   end
 238
 239   protected
 240
 241   def derive_unique_filename filename, manifest_files
 242     filename_parts = filename.split('.')
 243     filename_part = filename_parts[0]
 244     counter = 1
 245     while true
 246       return filename if !manifest_files.include? filename
 247       filename_parts[0] = filename_part + "(" + counter.to_s + ")"
 248       filename = filename_parts.join('.')
 249       counter += 1
 250     end
 251   end
 252
 253 end