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 require "app_version"
   7
   8 class ActionsController < ApplicationController
   9
  10   # Skip require_thread_api_token if this is a show action
  11   # for an object uuid that supports anonymous access.
  12   skip_around_action :require_thread_api_token, if: proc { |ctrl|
  13     !Rails.configuration.Users.AnonymousUserToken.empty? and
  14     'show' == ctrl.action_name and
  15     params['uuid'] and
  16     model_class.in?([Collection, Group, Job, PipelineInstance, PipelineTemplate])
  17   }
  18   skip_around_action :require_thread_api_token, only: [:report_issue_popup, :report_issue]
  19   skip_before_action :check_user_agreements, only: [:report_issue_popup, :report_issue]
  20
  21   @@exposed_actions = {}
  22   def self.expose_action method, &block
  23     @@exposed_actions[method] = true
  24     define_method method, block
  25   end
  26
  27   def model_class
  28     ArvadosBase::resource_class_for_uuid(params[:uuid])
  29   end
  30
  31   def show
  32     @object = model_class.andand.find(params[:uuid])
  33     if @object.is_a? Link and
  34         @object.link_class == 'name' and
  35         ArvadosBase::resource_class_for_uuid(@object.head_uuid) == Collection
  36       redirect_to collection_path(id: @object.uuid)
  37     elsif @object.is_a?(Group) and @object.group_class == 'project'
  38       redirect_to project_path(id: @object.uuid)
  39     elsif @object
  40       redirect_to @object
  41     else
  42       raise ActiveRecord::RecordNotFound
  43     end
  44   end
  45
  46   def post
  47     params.keys.collect(&:to_sym).each do |param|
  48       if @@exposed_actions[param]
  49         return self.send(param)
  50       end
  51     end
  52     redirect_to :back
  53   end
  54
  55   expose_action :copy_selections_into_project do
  56     move_or_copy :copy
  57   end
  58
  59   expose_action :move_selections_into_project do
  60     move_or_copy :move
  61   end
  62
  63   def move_or_copy action
  64     uuids_to_add = params["selection"]
  65     uuids_to_add = [ uuids_to_add ] unless uuids_to_add.is_a? Array
  66     resource_classes = uuids_to_add.
  67       collect { |x| ArvadosBase::resource_class_for_uuid(x) }.
  68       uniq
  69     resource_classes.each do |resource_class|
  70       resource_class.filter([['uuid','in',uuids_to_add]]).each do |src|
  71         if resource_class == Collection and not Collection.attribute_info.include?(:name)
  72           dst = Link.new(owner_uuid: @object.uuid,
  73                          tail_uuid: @object.uuid,
  74                          head_uuid: src.uuid,
  75                          link_class: 'name',
  76                          name: src.uuid)
  77         else
  78           case action
  79           when :copy
  80             dst = src.dup
  81             if dst.respond_to? :'name='
  82               if dst.name
  83                 dst.name = "Copy of #{dst.name}"
  84               else
  85                 dst.name = "Copy of unnamed #{dst.class_for_display.downcase}"
  86               end
  87             end
  88             if resource_class == Collection
  89               dst.manifest_text = Collection.select([:manifest_text]).where(uuid: src.uuid).with_count("none").first.manifest_text
  90             end
  91           when :move
  92             dst = src
  93           else
  94             raise ArgumentError.new "Unsupported action #{action}"
  95           end
  96           dst.owner_uuid = @object.uuid
  97           dst.tail_uuid = @object.uuid if dst.class == Link
  98         end
  99         begin
 100           dst.save!
 101         rescue
 102           dst.name += " (#{Time.now.localtime})" if dst.respond_to? :name=
 103           dst.save!
 104         end
 105       end
 106     end
 107     if (resource_classes == [Collection] and
 108         @object.is_a? Group and
 109         @object.group_class == 'project') or
 110         @object.is_a? User
 111       # In the common case where only collections are copied/moved
 112       # into a project, it's polite to land on the collections tab on
 113       # the destination project.
 114       redirect_to project_url(@object.uuid, anchor: 'Data_collections')
 115     else
 116       # Otherwise just land on the default (Description) tab.
 117       redirect_to @object
 118     end
 119   end
 120
 121   expose_action :combine_selected_files_into_collection do
 122     uuids, source_paths = selected_collection_files params
 123
 124     new_coll = Arv::Collection.new
 125     Collection.where(uuid: uuids.uniq).with_count("none").
 126         select([:uuid, :manifest_text]).each do |coll|
 127       src_coll = Arv::Collection.new(coll.manifest_text)
 128       src_pathlist = source_paths[coll.uuid]
 129       if src_pathlist.any?(&:blank?)
 130         src_pathlist = src_coll.each_file_path
 131         destdir = nil
 132       else
 133         destdir = "."
 134       end
 135       src_pathlist.each do |src_path|
 136         src_path = src_path.sub(/^(\.\/|\/|)/, "./")
 137         src_stream, _, basename = src_path.rpartition("/")
 138         dst_stream = destdir || src_stream
 139         # Generate a unique name by adding (1), (2), etc. to it.
 140         # If the filename has a dot that's not at the beginning, insert the
 141         # number just before that.  Otherwise, append the number to the name.
 142         if match = basename.match(/[^\.]\./)
 143           suffix_start = match.begin(0) + 1
 144         else
 145           suffix_start = basename.size
 146         end
 147         suffix_size = 0
 148         dst_path = nil
 149         loop.each_with_index do |_, try_count|
 150           dst_path = "#{dst_stream}/#{basename}"
 151           break unless new_coll.exist?(dst_path)
 152           uniq_suffix = "(#{try_count + 1})"
 153           basename[suffix_start, suffix_size] = uniq_suffix
 154           suffix_size = uniq_suffix.size
 155         end
 156         new_coll.cp_r(src_path, dst_path, src_coll)
 157       end
 158     end
 159
 160     coll_attrs = {
 161       manifest_text: new_coll.manifest_text,
 162       name: "Collection created at #{Time.now.localtime}",
 163     }
 164     flash = {}
 165
 166     # set owner_uuid to current project, provided it is writable
 167     action_data = Oj.load(params['action_data'] || "{}")
 168     if action_data['current_project_uuid'] and
 169         current_project = Group.find?(action_data['current_project_uuid']) and
 170         current_project.writable_by.andand.include?(current_user.uuid)
 171       coll_attrs[:owner_uuid] = current_project.uuid
 172       flash[:message] =
 173         "Created new collection in the project #{current_project.name}."
 174     else
 175       flash[:message] = "Created new collection in your Home project."
 176     end
 177
 178     newc = Collection.create!(coll_attrs)
 179     source_paths.each_key do |src_uuid|
 180       unless Link.create({
 181                            tail_uuid: src_uuid,
 182                            head_uuid: newc.uuid,
 183                            link_class: "provenance",
 184                            name: "provided",
 185                          })
 186         flash[:error] = "
 187 An error occurred when saving provenance information for this collection.
 188 You can try recreating the collection to get a copy with full provenance data."
 189         break
 190       end
 191     end
 192     redirect_to(newc, flash: flash)
 193   end
 194
 195   def report_issue_popup
 196     respond_to do |format|
 197       format.js
 198       format.html
 199     end
 200   end
 201
 202   def report_issue
 203     logger.warn "report_issue: #{params.inspect}"
 204
 205     respond_to do |format|
 206       IssueReporter.send_report(current_user, params).deliver
 207       format.js {render body: nil}
 208     end
 209   end
 210
 211   # star / unstar the current project
 212   def star
 213     links = Link.where(tail_uuid: current_user.uuid,
 214                        head_uuid: @object.uuid,
 215                        link_class: 'star')
 216
 217     if params['status'] == 'create'
 218       # create 'star' link if one does not already exist
 219       if !links.andand.any?
 220         dst = Link.new(owner_uuid: current_user.uuid,
 221                        tail_uuid: current_user.uuid,
 222                        head_uuid: @object.uuid,
 223                        link_class: 'star',
 224                        name: @object.uuid)
 225         dst.save!
 226       end
 227     else # delete any existing 'star' links
 228       if links.andand.any?
 229         links.each do |link|
 230           link.destroy
 231         end
 232       end
 233     end
 234
 235     respond_to do |format|
 236       format.js
 237     end
 238   end
 239
 240   protected
 241
 242   def derive_unique_filename filename, manifest_files
 243     filename_parts = filename.split('.')
 244     filename_part = filename_parts[0]
 245     counter = 1
 246     while true
 247       return filename if !manifest_files.include? filename
 248       filename_parts[0] = filename_part + "(" + counter.to_s + ")"
 249       filename = filename_parts.join('.')
 250       counter += 1
 251     end
 252   end
 253
 254 end