5493: test uncovered an issue with getting_started_shown handling; fixed it.
[arvados.git] / apps / workbench / app / controllers / actions_controller.rb
1 class ActionsController < ApplicationController
2
3   skip_filter :require_thread_api_token, only: [:report_issue_popup, :report_issue]
4   skip_filter :check_user_agreements, only: [:report_issue_popup, :report_issue]
5
6   @@exposed_actions = {}
7   def self.expose_action method, &block
8     @@exposed_actions[method] = true
9     define_method method, block
10   end
11
12   def model_class
13     ArvadosBase::resource_class_for_uuid(params[:uuid])
14   end
15
16   def show
17     @object = model_class.andand.find(params[:uuid])
18     if @object.is_a? Link and
19         @object.link_class == 'name' and
20         ArvadosBase::resource_class_for_uuid(@object.head_uuid) == Collection
21       redirect_to collection_path(id: @object.uuid)
22     elsif @object
23       redirect_to @object
24     else
25       raise ActiveRecord::RecordNotFound
26     end
27   end
28
29   def post
30     params.keys.collect(&:to_sym).each do |param|
31       if @@exposed_actions[param]
32         return self.send(param)
33       end
34     end
35     redirect_to :back
36   end
37
38   expose_action :copy_selections_into_project do
39     move_or_copy :copy
40   end
41
42   expose_action :move_selections_into_project do
43     move_or_copy :move
44   end
45
46   def move_or_copy action
47     uuids_to_add = params["selection"]
48     uuids_to_add = [ uuids_to_add ] unless uuids_to_add.is_a? Array
49     resource_classes = uuids_to_add.
50       collect { |x| ArvadosBase::resource_class_for_uuid(x) }.
51       uniq
52     resource_classes.each do |resource_class|
53       resource_class.filter([['uuid','in',uuids_to_add]]).each do |src|
54         if resource_class == Collection and not Collection.attribute_info.include?(:name)
55           dst = Link.new(owner_uuid: @object.uuid,
56                          tail_uuid: @object.uuid,
57                          head_uuid: src.uuid,
58                          link_class: 'name',
59                          name: src.uuid)
60         else
61           case action
62           when :copy
63             dst = src.dup
64             if dst.respond_to? :'name='
65               if dst.name
66                 dst.name = "Copy of #{dst.name}"
67               else
68                 dst.name = "Copy of unnamed #{dst.class_for_display.downcase}"
69               end
70             end
71             if resource_class == Collection
72               dst.manifest_text = Collection.select([:manifest_text]).where(uuid: src.uuid).first.manifest_text
73             end
74           when :move
75             dst = src
76           else
77             raise ArgumentError.new "Unsupported action #{action}"
78           end
79           dst.owner_uuid = @object.uuid
80           dst.tail_uuid = @object.uuid if dst.class == Link
81         end
82         begin
83           dst.save!
84         rescue
85           dst.name += " (#{Time.now.localtime})" if dst.respond_to? :name=
86           dst.save!
87         end
88       end
89     end
90     if (resource_classes == [Collection] and
91         @object.is_a? Group and
92         @object.group_class == 'project')
93       # In the common case where only collections are copied/moved
94       # into a project, it's polite to land on the collections tab on
95       # the destination project.
96       redirect_to project_url(@object.uuid, anchor: 'Data_collections')
97     else
98       # Otherwise just land on the default (Description) tab.
99       redirect_to @object
100     end
101   end
102
103   def arv_normalize mt, *opts
104     r = ""
105     env = Hash[ENV].
106       merge({'ARVADOS_API_HOST' =>
107               arvados_api_client.arvados_v1_base.
108               sub(/\/arvados\/v1/, '').
109               sub(/^https?:\/\//, ''),
110               'ARVADOS_API_TOKEN' => 'x',
111               'ARVADOS_API_HOST_INSECURE' =>
112               Rails.configuration.arvados_insecure_https ? 'true' : 'false'
113             })
114     IO.popen([env, 'arv-normalize'] + opts, 'w+b') do |io|
115       io.write mt
116       io.close_write
117       while buf = io.read(2**16)
118         r += buf
119       end
120     end
121     r
122   end
123
124   expose_action :combine_selected_files_into_collection do
125     uuids = []
126     pdhs = []
127     files = []
128     params["selection"].each do |s|
129       a = ArvadosBase::resource_class_for_uuid s
130       if a == Link
131         begin
132           if (m = CollectionsHelper.match(Link.find(s).head_uuid))
133             pdhs.append(m[1] + m[2])
134             files.append(m)
135           end
136         rescue
137         end
138       elsif (m = CollectionsHelper.match(s))
139         pdhs.append(m[1] + m[2])
140         files.append(m)
141       elsif (m = CollectionsHelper.match_uuid_with_optional_filepath(s))
142         uuids.append(m[1])
143         files.append(m)
144       end
145     end
146
147     pdhs = pdhs.uniq
148     uuids = uuids.uniq
149     chash = {}
150
151     Collection.select([:uuid, :manifest_text]).where(uuid: uuids).each do |c|
152       chash[c.uuid] = c
153     end
154
155     Collection.select([:portable_data_hash, :manifest_text]).where(portable_data_hash: pdhs).each do |c|
156       chash[c.portable_data_hash] = c
157     end
158
159     combined = ""
160     files_in_dirs = {}
161     files.each do |m|
162       mt = chash[m[1]+m[2]].andand.manifest_text
163       if not m[4].nil? and m[4].size > 1
164         manifest_files = files_in_dirs['.']
165         if !manifest_files
166           manifest_files = []
167           files_in_dirs['.'] = manifest_files
168         end
169         manifest_file = m[4].split('/')[-1]
170         uniq_file = derive_unique_filename(manifest_file, manifest_files)
171         normalized = arv_normalize mt, '--extract', ".#{m[4]}"
172         normalized = normalized.gsub(/(\d+:\d+:)(#{Regexp.quote manifest_file})/) {|s| "#{$1}#{uniq_file}" }
173         combined += normalized
174         manifest_files << uniq_file
175       else
176         mt = arv_normalize mt
177         manifest_streams = mt.split "\n"
178         adjusted_streams = []
179         manifest_streams.each do |stream|
180           manifest_parts = stream.split
181           adjusted_parts = []
182           manifest_files = files_in_dirs[manifest_parts[0]]
183           if !manifest_files
184             manifest_files = []
185             files_in_dirs[manifest_parts[0]] = manifest_files
186           end
187
188           manifest_parts.each do |part|
189             part_match = /(\d+:\d+:)(\S+)/.match(part)
190             if part_match
191               uniq_file = derive_unique_filename(part_match[2], manifest_files)
192               adjusted_parts << "#{part_match[1]}#{uniq_file}" 
193               manifest_files << uniq_file
194             else
195               adjusted_parts << part
196             end
197           end
198           adjusted_streams << adjusted_parts.join(' ')
199         end
200         adjusted_streams.each do |stream|
201           combined += (stream + "\n")
202         end
203       end
204     end
205
206     normalized = arv_normalize combined
207     newc = Collection.new({:manifest_text => normalized})
208     newc.name = newc.name || "Collection created at #{Time.now.localtime}"
209
210     # set owner_uuid to current project, provided it is writable
211     current_project_writable = false
212     action_data = JSON.parse(params['action_data']) if params['action_data']
213     if action_data && action_data['current_project_uuid']
214       current_project = Group.find(action_data['current_project_uuid']) rescue nil
215       if (current_project && current_project.writable_by.andand.include?(current_user.uuid))
216         newc.owner_uuid = action_data['current_project_uuid']
217         current_project_writable = true
218       end
219     end
220
221     newc.save!
222
223     chash.each do |k,v|
224       l = Link.new({
225                      tail_uuid: k,
226                      head_uuid: newc.uuid,
227                      link_class: "provenance",
228                      name: "provided"
229                    })
230       l.save!
231     end
232
233     msg = current_project_writable ?
234               "Created new collection in the project #{current_project.name}." :
235               "Created new collection in your Home project."
236
237     redirect_to newc, flash: {'message' => msg}
238   end
239
240   def report_issue_popup
241     respond_to do |format|
242       format.js
243       format.html
244     end
245   end
246
247   def report_issue
248     logger.warn "report_issue: #{params.inspect}"
249
250     respond_to do |format|
251       IssueReporter.send_report(current_user, params).deliver
252       format.js {render nothing: true}
253     end
254   end
255
256   def getting_started_popup
257     respond_to do |format|
258       format.js
259     end
260   end
261
262   protected
263
264   def derive_unique_filename filename, manifest_files
265     filename_parts = filename.split('.')
266     filename_part = filename_parts[0]
267     counter = 1
268     while true
269       return filename if !manifest_files.include? filename
270       filename_parts[0] = filename_part + "(" + counter.to_s + ")"
271       filename = filename_parts.join('.')
272       counter += 1
273     end
274   end
275
276 end