add basic support for labels

app/models/forum.rb

@@ -3,6 +3,7 @@ class Forum < ActiveRecord::Base
   has_many :forumthreads
   belongs_to :role_read, class_name: "Role", foreign_key: "role_read_id"
   belongs_to :role_write, class_name: "Role", foreign_key: "role_write_id"
+  has_and_belongs_to_many :labels
 
   def to_s
     name

app/models/forumthread.rb

@@ -6,6 +6,7 @@ class Forumthread < ActiveRecord::Base
   belongs_to :forum
   belongs_to :user_author, class_name: "User", foreign_key: "user_author_id"
   belongs_to :user_editor, class_name: "User", foreign_key: "user_editor_id"
+  belongs_to :label
   has_many   :threadreplies
 
   validates_presence_of :title, :author, :forum

app/models/label.rb

@@ -0,0 +1,11 @@
+class Label < ActiveRecord::Base
+  validates_presence_of :name
+  belongs_to :role
+  has_and_belongs_to_many :forums
+  has_many :forumthreads
+
+  def to_s
+    name.upcase
+  end
+
+end