X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/26114a84293ea3fbcc5ef4adcf7900060716e62c..e35fb48f1485a92a64a30efe8b1c43a179b70260:/apps/workbench/app/controllers/collections_controller.rb

diff --git a/apps/workbench/app/controllers/collections_controller.rb b/apps/workbench/app/controllers/collections_controller.rb
index 737583a31e..a5ac21595e 100644
--- a/apps/workbench/app/controllers/collections_controller.rb
+++ b/apps/workbench/app/controllers/collections_controller.rb
@@ -5,6 +5,7 @@ class CollectionsController < ApplicationController
   def show_pane_list
     %w(Files Attributes Metadata Provenance_graph Used_by JSON API)
   end
+
   def index
     if params[:search].andand.length.andand > 0
       tags = Link.where(any: ['contains', params[:search]])
@@ -12,7 +13,19 @@ class CollectionsController < ApplicationController
                       Collection.where(any: ['contains', params[:search]])).
         uniq { |c| c.uuid }
     else
-      @collections = Collection.limit(100)
+      if params[:limit]
+        limit = params[:limit].to_i
+      else
+        limit = 100
+      end
+
+      if params[:offset]
+        offset = params[:offset].to_i
+      else
+        offset = 0
+      end
+
+      @collections = Collection.limit(limit).offset(offset)
     end
     @links = Link.limit(1000).
       where(head_uuid: @collections.collect(&:uuid))
@@ -92,7 +105,7 @@ class CollectionsController < ApplicationController
     Link.where(tail_uuid: @sourcedata.keys).each do |link|
       if link.link_class == 'data_origin'
         @sourcedata[link.tail_uuid][:data_origins] ||= []
-        @sourcedata[link.tail_uuid][:data_origins] << [link.name, link.head_kind, link.head_uuid]
+        @sourcedata[link.tail_uuid][:data_origins] << [link.name, link.head_uuid]
       end
     end
     Collection.where(uuid: @sourcedata.keys).each do |collection|
@@ -100,17 +113,17 @@ class CollectionsController < ApplicationController
         @sourcedata[collection.uuid][:collection] = collection
       end
     end
-    
+
     Collection.where(uuid: @object.uuid).each do |u|
       puts request
-      @prov_svg = ProvenanceHelper::create_provenance_graph(u.provenance, "provenance_svg", 
+      @prov_svg = ProvenanceHelper::create_provenance_graph(u.provenance, "provenance_svg",
                                                             {:request => request,
-                                                              :direction => :top_down, 
+                                                              :direction => :bottom_up,
                                                               :combine_jobs => :script_only}) rescue nil
-      @used_by_svg = ProvenanceHelper::create_provenance_graph(u.used_by, "used_by_svg", 
+      @used_by_svg = ProvenanceHelper::create_provenance_graph(u.used_by, "used_by_svg",
                                                                {:request => request,
-                                                                 :direction => :top_down, 
-                                                                 :combine_jobs => :script_only, 
+                                                                 :direction => :top_down,
+                                                                 :combine_jobs => :script_only,
                                                                  :pdata_only => true}) rescue nil
     end
   end