Decouple and refactor GraphCommit

lib/gitlab/graph/commit.rb

@@ -0,0 +1,48 @@
+require "grit"
+
+module Gitlab
+  module Graph
+    class Commit
+      include ActionView::Helpers::TagHelper
+
+      attr_accessor :time, :space, :refs
+
+      def initialize(commit)
+        @_commit = commit
+        @time = -1
+        @space = 0
+      end
+
+      def method_missing(m, *args, &block)
+        @_commit.send(m, *args, &block)
+      end
+
+      def to_graph_hash
+        h = {}
+        h[:parents] = self.parents.collect do |p|
+          [p.id,0,0]
+        end
+        h[:author]  = Gitlab::Encode.utf8(author.name)
+        h[:time]    = time
+        h[:space]   = space
+        h[:refs]    = refs.collect{|r|r.name}.join(" ") unless refs.nil?
+        h[:id]      = sha
+        h[:date]    = date
+        h[:message] = escape_once(Gitlab::Encode.utf8(message))
+        h[:login]   = author.email
+        h
+      end
+
+      def add_refs(ref_cache, repo)
+        if ref_cache.empty?
+          repo.refs.each do |ref|
+            ref_cache[ref.commit.id] ||= []
+            ref_cache[ref.commit.id] << ref
+          end
+        end
+        @refs = ref_cache[@_commit.id] if ref_cache.include?(@_commit.id)
+        @refs ||= []
+      end
+    end
+  end
+end