X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/b0cbc39917df391c0f0e7f31d9d46c5cc9070520..d047c1cb9ceecb6e324adf102e5e38e11fe698e1:/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 ee3ac4d681..5acf9a7351 100644
--- a/apps/workbench/app/controllers/application_controller.rb
+++ b/apps/workbench/app/controllers/application_controller.rb
@@ -1,3 +1,7 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 class ApplicationController < ActionController::Base
   include ArvadosApiClientHelper
   include ApplicationHelper
@@ -232,11 +236,18 @@ class ApplicationController < ActionController::Base
       objects = @objects
     end
     if objects.respond_to?(:result_offset) and
-        objects.respond_to?(:result_limit) and
-        objects.respond_to?(:items_available)
+        objects.respond_to?(:result_limit)
       next_offset = objects.result_offset + objects.result_limit
-      if next_offset < objects.items_available
+      if objects.respond_to?(:items_available) and (next_offset < objects.items_available)
         next_offset
+      elsif @objects.results.size > 0 and (params[:count] == 'none' or
+           (params[:controller] == 'search' and params[:action] == 'choose'))
+        last_object_class = @objects.last.class
+        if params['last_object_class'].nil? or params['last_object_class'] == last_object_class.to_s
+          next_offset
+        else
+          @objects.select{|obj| obj.class == last_object_class}.size
+        end
       else
         nil
       end
@@ -1227,8 +1238,15 @@ class ApplicationController < ActionController::Base
         @objects_for[obj.name] = obj
       end
     else
+      key_prefix = "request_#{Thread.current.object_id}_#{dataclass.to_s}_"
       dataclass.where(uuid: uuids).each do |obj|
         @objects_for[obj.uuid] = obj
+        if dataclass == Collection
+          # The collecions#index defaults to "all attributes except manifest_text"
+          # Hence, this object is not suitable for preloading the find() cache.
+        else
+          Rails.cache.write(key_prefix + obj.uuid, obj.as_json)
+        end
       end
     end
     @objects_for
@@ -1243,6 +1261,49 @@ class ApplicationController < ActionController::Base
     end
   end
 
+  # helper method to get the names of collection files selected
+  helper_method :selected_collection_files
+  def selected_collection_files params
+    link_uuids, coll_ids = params["selection"].partition do |sel_s|
+      ArvadosBase::resource_class_for_uuid(sel_s) == Link
+    end
+
+    unless link_uuids.empty?
+      Link.select([:head_uuid]).where(uuid: link_uuids).each do |link|
+        if ArvadosBase::resource_class_for_uuid(link.head_uuid) == Collection
+          coll_ids << link.head_uuid
+        end
+      end
+    end
+
+    uuids = []
+    pdhs = []
+    source_paths = Hash.new { |hash, key| hash[key] = [] }
+    coll_ids.each do |coll_id|
+      if m = CollectionsHelper.match(coll_id)
+        key = m[1] + m[2]
+        pdhs << key
+        source_paths[key] << m[4]
+      elsif m = CollectionsHelper.match_uuid_with_optional_filepath(coll_id)
+        key = m[1]
+        uuids << key
+        source_paths[key] << m[4]
+      end
+    end
+
+    unless pdhs.empty?
+      Collection.where(portable_data_hash: pdhs.uniq).
+          select([:uuid, :portable_data_hash]).each do |coll|
+        unless source_paths[coll.portable_data_hash].empty?
+          uuids << coll.uuid
+          source_paths[coll.uuid] = source_paths.delete(coll.portable_data_hash)
+        end
+      end
+    end
+
+    [uuids, source_paths]
+  end
+
   def wiselinks_layout
     'body'
   end