Split "Manage documents" permission into create, edit and delete permissions (#12401).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11206 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/20130110122628_split_documents_permissions.rb

@@ -0,0 +1,23 @@
+class SplitDocumentsPermissions < ActiveRecord::Migration
+  def up
+    # :manage_documents permission split into 3 permissions:
+    # :add_documents, :edit_documents and :delete_documents
+    Role.all.each do |role|
+      if role.has_permission?(:manage_documents)
+        role.add_permission! :add_documents, :edit_documents, :delete_documents
+        role.remove_permission! :manage_documents
+      end
+    end
+  end
+
+  def down
+    Role.all.each do |role|
+      if role.has_permission?(:add_documents) ||
+          role.has_permission?(:edit_documents) ||
+          role.has_permission?(:delete_documents)
+        role.remove_permission! :add_documents, :edit_documents, :delete_documents
+        role.add_permission! :manage_documents
+      end
+    end
+  end
+end