X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/611a3323ea110671c5fa021e14f93b24e4a6d7b7..5d87bcae66870127445e5eb018a69d606e93e244:/apps/workbench/app/controllers/application_controller.rb

diff --git a/apps/workbench/app/controllers/application_controller.rb b/apps/workbench/app/controllers/application_controller.rb
index 27e388be20..e88d38e2ad 100644
--- a/apps/workbench/app/controllers/application_controller.rb
+++ b/apps/workbench/app/controllers/application_controller.rb
@@ -164,11 +164,23 @@ class ApplicationController < ActionController::Base
   def find_objects_for_index
     @objects ||= model_class
     @objects = @objects.filter(@filters).limit(@limit).offset(@offset)
+    @objects.fetch_multiple_pages(false)
   end
 
   def render_index
     respond_to do |f|
-      f.json { render json: @objects }
+      f.json {
+        if params[:partial]
+          @next_page_href = next_page_href(partial: params[:partial], filters: @filters.to_json)
+          render json: {
+            content: render_to_string(partial: "show_#{params[:partial]}",
+                                      formats: [:html]),
+            next_page_href: @next_page_href
+          }
+        else
+          render json: @objects
+        end
+      }
       f.html {
         if params[:tab_pane]
           render_pane params[:tab_pane]
@@ -207,6 +219,8 @@ class ApplicationController < ActionController::Base
     if !objects
       objects = @objects
     end
+    # result_limit and result_offset won't work until we call #results
+    objects.results
     if objects.respond_to?(:result_offset) and
         objects.respond_to?(:result_limit) and
         objects.respond_to?(:items_available)
@@ -399,12 +413,17 @@ class ApplicationController < ActionController::Base
     false  # For convenience to return from callbacks
   end
 
-  def using_specific_api_token(api_token)
+  def using_specific_api_token(api_token, opts={})
     start_values = {}
     [:arvados_api_token, :user].each do |key|
       start_values[key] = Thread.current[key]
     end
-    load_api_token(api_token)
+    if opts.fetch(:load_user, true)
+      load_api_token(api_token)
+    else
+      Thread.current[:arvados_api_token] = api_token
+      Thread.current[:user] = nil
+    end
     begin
       yield
     ensure
@@ -830,6 +849,12 @@ class ApplicationController < ActionController::Base
     crumbs = []
     current = @name_link || @object
     while current
+      # Halt if a group ownership loop is detected. API should refuse
+      # to produce this state, but it could still arise from a race
+      # condition when group ownership changes between our find()
+      # queries.
+      break if crumbs.collect(&:uuid).include? current.uuid
+
       if current.is_a?(Group) and current.group_class == 'project'
         crumbs.prepend current
       end