Finished improving rendering of UUIDs for now.
[arvados.git] / apps / workbench / app / controllers / collections_controller.rb
index 5c5e16b6da1c94e30ef89483c346737c9b3061b4..5d5eb79e520996ed53dc6a2afa4d76fbabdbcaea 100644 (file)
@@ -1,14 +1,15 @@
 class CollectionsController < ApplicationController
   skip_before_filter :find_object_by_uuid, :only => [:graph]
+  skip_before_filter :check_user_agreements, :only => [:show_file]
 
   def graph
     index
   end
 
   def index
-    @links = Link.eager.limit(100).where(head_kind: 'arvados#collection') |
-      Link.eager.limit(100).where(tail_kind: 'arvados#collection')
     @collections = Collection.limit(100).to_hash
+    @links = Link.eager.limit(100).where(head_kind: 'arvados#collection', link_class: 'resources', name: 'wants') |
+      Link.eager.limit(100).where(tail_kind: 'arvados#collection', link_class: 'data_origin')
     @collections.merge!(Collection.
                         limit(100).
                         where(uuid: @links.select{|x|x.head_kind=='arvados#collection'}.collect(&:head_uuid) |
@@ -34,10 +35,6 @@ class CollectionsController < ApplicationController
       end
       if l.tail_kind == 'arvados#collection'
         c = (@collection_info[l.tail_uuid] ||= {uuid: l.tail_uuid})
-        if l.link_class == 'group' and l.name == 'member_of'
-          c[:groups] ||= {}
-          c[:groups][l.tail_uuid] = true
-        end
         if l.link_class == 'data_origin'
           c[:origin] = l
         end
@@ -45,6 +42,18 @@ class CollectionsController < ApplicationController
     end
   end
 
+  def show_file
+    opts = params.merge(arvados_api_token: Thread.current[:arvados_api_token])
+    if r = params[:file].match(/(\.\w+)/)
+      ext = r[1]
+    end
+    self.response.headers['Content-Type'] =
+      Rack::Mime::MIME_TYPES[ext] || 'application/octet-stream'
+    self.response.headers['Content-Length'] = params[:size] if params[:size]
+    self.response.headers['Content-Disposition'] = params[:disposition] if params[:disposition]
+    self.response_body = FileStreamer.new opts
+  end
+
   def show
     return super if !@object
     @provenance = []
@@ -52,25 +61,27 @@ class CollectionsController < ApplicationController
     @output2colorindex = {}
     @sourcedata = {params[:uuid] => {uuid: params[:uuid]}}
     @protected = {}
-    whence = `whence #{params[:uuid]}`
+
     colorindex = -1
-    whence.split("\n").each do |line|
-      if line.match /^(\#\d+@\S+)$/
-        job = Job.where(submit_id: line).first
-        @provenance << {job: job, target: line}
-      elsif (re = line.match /^ +output *= *(\S+)/)
-        if !@provenance.empty?
-          @provenance[-1][:output] = re[1]
-          @output2job[re[1]] = @provenance[-1][:job]
-          if !@output2colorindex[re[1]]
-            @output2colorindex[re[1]] = (colorindex += 1) % 10
+    any_hope_left = true
+    while any_hope_left
+      any_hope_left = false
+      Job.where(output: @sourcedata.keys).sort_by { |a| a.finished_at || a.created_at }.reverse.each do |job|
+        if !@output2colorindex[job.output]
+          any_hope_left = true
+          @output2colorindex[job.output] = (colorindex += 1) % 10
+          @provenance << {job: job, output: job.output}
+          @sourcedata.delete job.output
+          @output2job[job.output] = job
+          job.dependencies.each do |new_source_data|
+            unless @output2colorindex[new_source_data]
+              @sourcedata[new_source_data] = {uuid: new_source_data}
+            end
           end
-          @sourcedata.delete re[1]
         end
-      elsif (re = line.match /^([0-9a-f]{32}\b)/)
-        @sourcedata[re[1]] ||= {uuid: re[1]}
       end
     end
+
     Link.where(head_uuid: @sourcedata.keys | @output2job.keys).each do |link|
       if link.link_class == 'resources' and link.name == 'wants'
         @protected[link.head_uuid] = true
@@ -88,4 +99,32 @@ class CollectionsController < ApplicationController
       end
     end
   end
+
+  protected
+  class FileStreamer
+    def initialize(opts={})
+      @opts = opts
+    end
+    def each
+      return unless @opts[:uuid] && @opts[:file]
+      env = Hash[ENV].
+        merge({
+                'ARVADOS_API_HOST' =>
+                $arvados_api_client.arvados_v1_base.
+                sub(/\/arvados\/v1/, '').
+                sub(/^https?:\/\//, ''),
+                'ARVADOS_API_TOKEN' =>
+                @opts[:arvados_api_token],
+                'ARVADOS_API_HOST_INSECURE' =>
+                Rails.configuration.arvados_insecure_https ? 'true' : 'false'
+              })
+      IO.popen([env, 'arv-get', "#{@opts[:uuid]}/#{@opts[:file]}"],
+               'rb') do |io|
+        while buf = io.read(2**20)
+          yield buf
+        end
+      end
+      Rails.logger.warn("#{@opts[:uuid]}/#{@opts[:file]}: #{$?}") if $? != 0
+    end
+  end
 end