User groups branch merged.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2869 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 27 insertions, 0 deletions

diff --git a/app/models/member_role.rb b/app/models/member_role.rb
index 46777cd1e..5a31c17c5 100644
--- a/app/models/member_role.rb
+++ b/app/models/member_role.rb
@@ -19,9 +19,36 @@ 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
+  
+  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 }).each(&:destroy)
+  end
 end