decorators & tree model

app/models/commit.rb

@@ -0,0 +1,2 @@
+class Commit
+end

app/models/tree.rb

@@ -0,0 +1,24 @@
+class Tree
+  attr_accessor :path, :tree, :project, :ref
+
+  delegate :contents,
+    :basename,
+    :name,
+    :data,
+    :text?,
+    :colorize,
+    :to => :tree
+
+  def initialize(raw_tree, project, ref = nil, path = nil)
+    @project, @ref, @path = project, ref, path,
+    @tree = if path
+              raw_tree / path
+            else
+              raw_tree
+            end
+  end
+
+  def is_blob?
+    tree.is_a?(Grit::Blob)
+  end
+end