Global queries can be saved from the global issue list (follows r1311 and closes #897).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1312 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/user.rb

@@ -222,17 +222,26 @@ class User < ActiveRecord::Base
   # action can be:
   # * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit')
   # * a permission Symbol (eg. :edit_project)
-  def allowed_to?(action, project)
-    # No action allowed on archived projects
-    return false unless project.active?
-    # No action allowed on disabled modules
-    return false unless project.allows_to?(action)
-    # Admin users are authorized for anything else
-    return true if admin?
-    
-    role = role_for_project(project)
-    return false unless role
-    role.allowed_to?(action) && (project.is_public? || role.member?)
+  def allowed_to?(action, project, options={})
+    if project
+      # No action allowed on archived projects
+      return false unless project.active?
+      # No action allowed on disabled modules
+      return false unless project.allows_to?(action)
+      # Admin users are authorized for anything else
+      return true if admin?
+      
+      role = role_for_project(project)
+      return false unless role
+      role.allowed_to?(action) && (project.is_public? || role.member?)
+      
+    elsif options[:global]
+      # authorize if user has at least one role that has this permission
+      roles = memberships.collect {|m| m.role}.uniq
+      roles.detect {|r| r.allowed_to?(action)}
+    else
+      false
+    end
   end
   
   def self.current=(user)