comparison app/models/.svn/text-base/member_role.rb.svn-base @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

+# Redmine - project management software
+# Copyright (C) 2006-2009  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program 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 General Public License for more details.
+# 
+# You should have received a copy of the GNU 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 MemberRole < ActiveRecord::Base
+  belongs_to :member
+  belongs_to :role
+  
+  after_destroy :remove_member_if_empty
+
+  after_create :add_role_to_group_users
+  after_destroy :remove_role_from_group_users
+  
+  validates_presence_of :role
+  
+  def validate
+    errors.add :role_id, :invalid if role && !role.member?
+  end
+  
+  def inherited?
+    !inherited_from.nil?
+  end
+  
+  private
+  
+  def remove_member_if_empty
+    if member.roles.empty?
+      member.destroy
+    end
+  end
+  
+  def add_role_to_group_users
+    if member.principal.is_a?(Group)
+      member.principal.users.each do |user|
+        user_member = Member.find_by_project_id_and_user_id(member.project_id, user.id) || Member.new(:project_id => member.project_id, :user_id => user.id)
+        user_member.member_roles << MemberRole.new(:role => role, :inherited_from => id)
+        user_member.save!
+      end
+    end
+  end
+  
+  def remove_role_from_group_users
+    MemberRole.find(:all, :conditions => { :inherited_from => id }).group_by(&:member).each do |member, member_roles|
+      member_roles.each(&:destroy)
+      if member && member.user
+        Watcher.prune(:user => member.user, :project => member.project)
+      end
+    end
+  end
+end