relocate permissions code, use resulting :read permissions in #index. refs #1415

[arvados.git] / app / helpers / application_helper.rb

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index ba0c253ec63a652fb12751a65f0ac8676e851045..d4cc4ec92dc37929fcde6929824b049aab66a960 100644 (file)
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1,69 +1,5 @@
 module ApplicationHelper
-
-  ALL_PERMISSIONS = {read: true, write: true, manage: true}
-
   def current_user
     controller.current_user
   end
-
-  def invalidate_permissions_cache
-    Rails.cache.delete_matched(/^groups_for_user_/)
-  end
-
-  def current_groups
-    return {} unless current_user
-    Rails.cache.fetch "groups_for_user_#{current_user.uuid}" do
-      permissions_from = {}
-      todo = {current_user.uuid => true}
-      done = {}
-      while !todo.empty?
-        lookup_uuids = todo.keys
-        lookup_uuids.each do |uuid| done[uuid] = true end
-        todo = {}
-        Link.where('tail_uuid in (?) and link_class = ? and head_kind = ?',
-                   lookup_uuids,
-                   'permission',
-                   'orvos#group').each do |link|
-          unless done.has_key? link.head_uuid
-            todo[link.head_uuid] = true
-          end
-          link_permissions = {}
-          case link.name
-          when 'can_read'
-            link_permissions = {read:true}
-          when 'can_write'
-            link_permissions = {read:true,write:true}
-          when 'can_manage'
-            link_permissions = ALL_PERMISSIONS
-          end
-          permissions_from[link.tail_uuid] ||= {}
-          permissions_from[link.tail_uuid][link.head_uuid] ||= {}
-          link_permissions.each do |k,v|
-            permissions_from[link.tail_uuid][link.head_uuid][k] ||= v
-          end
-        end
-      end
-      search_permissions(current_user.uuid, permissions_from)
-    end
-  end
-
-  protected
-
-  def search_permissions(start, graph, merged={}, upstream_mask=nil, upstream_path={})
-    nextpaths = graph[start]
-    return merged if !nextpaths
-    return merged if upstream_path.has_key? start
-    upstream_path[start] = true
-    upstream_mask ||= ALL_PERMISSIONS
-    nextpaths.each do |head, mask|
-      merged[head] ||= {}
-      mask.each do |k,v|
-        merged[head][k] ||= v if upstream_mask[k]
-      end
-      search_permissions(head, graph, merged, upstream_mask.select { |k,v| v && merged[head][k] }, upstream_path)
-    end
-    upstream_path.delete start
-    merged
-  end
-
 end