add basic support for labels

app/assets/stylesheets/style.css.scss

@@ -984,4 +984,13 @@ nav.pagination {
   color: #000;
   display: inline-block;
   padding: 2px 5px;
+}
+
+.label {
+  background: #d40;
+  padding: 0.1em 0.2em;
+  border-radius: 0.2em;
+  color: #b20;
+  border: 1px solid #B20;
+  text-shadow: -1px -1px #e50, 1px 1px #a10;
 }

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

app/views/forumthreads/show.html.erb

@@ -1,5 +1,5 @@
 <%= link_to @thread.forum.group, forumgroup_path(@thread.forum.group) %> → <%= link_to @thread.forum, @thread.forum %> → <%=truncate(@thread.title, length: 60, omission: " …") %>
-<h1><%= title @thread.title %></h1>
+<h1><%= render partial: "labels/label", locals: {label: @thread.label} %><%= title @thread.title %></h1>
 
 <div class="item-group thread with-avatar" id="thread-<%= @thread.id %>">
   <div class="header">

app/views/labels/_label.html.erb

@@ -0,0 +1,3 @@
+<% if label %>
+  <span class="label label-<%= label.name.downcase %>"><%= label %></span>
+<% end %>