X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/45bfc1104dd30fb97a586de5ff96d6b739f7bb2b..b04638275cff9b393e1bc04136d44f361b999cf8:/apps/workbench/app/models/arvados_resource_list.rb?ds=sidebyside

diff --git a/apps/workbench/app/models/arvados_resource_list.rb b/apps/workbench/app/models/arvados_resource_list.rb
index 3000aa8ac2..27069706fb 100644
--- a/apps/workbench/app/models/arvados_resource_list.rb
+++ b/apps/workbench/app/models/arvados_resource_list.rb
@@ -2,6 +2,8 @@ class ArvadosResourceList
   include ArvadosApiClientHelper
   include Enumerable
 
+  attr_reader :resource_class
+
   def initialize resource_class=nil
     @resource_class = resource_class
     @fetch_multiple_pages = true
@@ -14,6 +16,11 @@ class ArvadosResourceList
     self
   end
 
+  def distinct(bool=true)
+    @distinct = bool
+    self
+  end
+
   def limit(max_results)
     if not max_results.nil? and not max_results.is_a? Integer
       raise ArgumentError("argument to limit() must be an Integer or nil")
@@ -146,14 +153,17 @@ class ArvadosResourceList
   end
 
   def items_available
+    results
     @items_available
   end
 
   def result_limit
+    results
     @result_limit
   end
 
   def result_offset
+    results
     @result_offset
   end
 
@@ -173,7 +183,11 @@ class ArvadosResourceList
     api_params[:select] = @select if @select
     api_params[:order] = @orderby_spec if @orderby_spec
     api_params[:filters] = @filters if @filters
-
+    api_params[:distinct] = @distinct if @distinct
+    if @fetch_multiple_pages
+      # Default limit to (effectively) api server's MAX_LIMIT
+      api_params[:limit] = 2**(0.size*8 - 1) - 1
+    end
 
     item_count = 0
     offset = @offset || 0
@@ -189,12 +203,12 @@ class ArvadosResourceList
                                    reader_tokens: @reader_tokens)
       items = arvados_api_client.unpack_api_response res
 
-      break if items.nil? or not items.any?
-
       @items_available = items.items_available if items.respond_to?(:items_available)
       @result_limit = items.limit if (@fetch_multiple_pages == false) and items.respond_to?(:limit)
       @result_offset = items.offset if (@fetch_multiple_pages == false) and items.respond_to?(:offset)
 
+      break if items.nil? or not items.any?
+
       item_count += items.size
       if items.respond_to?(:offset)
         offset = items.offset + items.size