Move custom markdown helper to comments helper

app/helpers/comments_helper.rb

@@ -0,0 +1,45 @@
+module CommentsHelper
+  def format_comment(text)
+    sanitize(link_comments(link_mentions(markdown(text))),
+             tags: %w(p br img h1 h2 h3 h4 blockquote pre code strong em a ul ol li span),
+             attributes: %w(href src class title alt target rel))
+  end
+
+  def link_mentions(text)
+    doc = Nokogiri::HTML.fragment(text)
+
+    doc.search('text()').each do |node|
+      unless node.ancestors('a, pre, code').any?
+        text = node.text
+
+        # link @username
+        text.gsub!(/@(\w+)/) { |match|
+          %Q|<a href="/~#{$1}">#{match}</a>|
+        }
+
+        node.replace text
+      end
+    end
+
+    doc.to_html
+  end
+
+  def link_comments(text)
+    doc = Nokogiri::HTML.fragment(text)
+
+    doc.search('text()').each do |node|
+      unless node.ancestors('a, pre, code').any?
+        text = node.text
+
+        # link #comment_id
+        text.gsub!(/#(\d+)/) { |match|
+          %Q|<a href="?comment_id=#{$1}">#{match}</a>|
+        }
+
+        node.replace text
+      end
+    end
+
+    doc.to_html
+  end
+end

app/helpers/markdown_helper.rb

@@ -17,48 +17,4 @@ module MarkdownHelper
 
     markdown.render(text)
   end
-
-  def campo_markdown(text)
-    sanitize(link_comments(link_mentions(markdown(text))),
-             tags: %w(p br img h1 h2 h3 h4 blockquote pre code strong em a ul ol li span),
-             attributes: %w(href src class title alt target rel))
-  end
-
-  def link_mentions(text)
-    doc = Nokogiri::HTML.fragment(text)
-
-    doc.search('text()').each do |node|
-      unless node.ancestors('a, pre, code').any?
-        text = node.text
-
-        # link @username
-        text.gsub!(/@(\w+)/) { |match|
-          %Q|<a href="/~#{$1}">#{match}</a>|
-        }
-
-        node.replace text
-      end
-    end
-
-    doc.to_html
-  end
-
-  def link_comments(text)
-    doc = Nokogiri::HTML.fragment(text)
-
-    doc.search('text()').each do |node|
-      unless node.ancestors('a, pre, code').any?
-        text = node.text
-
-        # link #comment_id
-        text.gsub!(/#(\d+)/) { |match|
-          %Q|<a href="?comment_id=#{$1}">#{match}</a>|
-        }
-
-        node.replace text
-      end
-    end
-
-    doc.to_html
-  end
 end