--- /dev/null
+#
+# SonarQube, open source software quality management tool.
+# Copyright (C) 2008-2014 SonarSource
+# mailto:contact AT sonarsource DOT com
+#
+# SonarQube is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 3 of the License, or (at your option) any later version.
+#
+# SonarQube is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+class Author < ActiveRecord::Base
+
+ belongs_to :person, :class_name => 'Project', :foreign_key => 'person_id'
+
+ validates_uniqueness_of :login
+ validates_presence_of :person
+ validates_length_of :login, :allow_blank => false, :maximum => 255
+
+ def <=>(other)
+ login<=>other.login
+ end
+end