Manage help texts with a dedicated HelpController. Refs #12

1 files changed, 46 insertions, 0 deletions

diff --git a/app/models/help_page.rb b/app/models/help_page.rb
new file mode 100644
index 000000000..1207c5198
--- /dev/null
+++ b/app/models/help_page.rb
@@ -0,0 +1,46 @@
+class HelpPage
+
+  attr_accessor :slug, :content, :data
+
+  def initialize(slug)
+    @slug = slug
+    @data = {}.with_indifferent_access
+  end
+
+  def filename
+    "#{Rails.root}/app/views/help/#{slug}.textile"
+  end
+
+  def exists?
+    File.exists? filename
+  end
+
+  def load
+    self.content = File.read(filename)
+    self.data ||= {}
+
+    if self.content =~ /^(---\s*\n.*?\n?)^(---\s*$\n?)/m
+      self.content = $POSTMATCH
+      self.data.merge! YAML.load($1)
+    end
+  end
+
+  def method_missing(method, *arguments)
+    if arguments.empty? and data.has_key?(method)
+      data[method]
+    else
+      super
+    end
+  end
+
+  def self.find(slug)
+    new(slug).tap do |page|
+      if page.exists?
+        page.load
+      else
+        raise ActiveRecord::RecordNotFound 
+      end
+    end
+  end
+
+end