Add `to_reference` for models that support references

Now there is a single source of information for which attribute a model
uses to be referenced, and its special character.

1 files changed, 9 insertions, 0 deletions

diff --git a/app/models/commit_range.rb b/app/models/commit_range.rb
index e6456198264..b98f939a115 100644
--- a/app/models/commit_range.rb
+++ b/app/models/commit_range.rb
@@ -19,6 +19,7 @@
 #
 class CommitRange
   include ActiveModel::Conversion
+  include Referable
 
   attr_reader :sha_from, :notation, :sha_to
 
@@ -59,6 +60,14 @@ class CommitRange
     "#{sha_from[0..7]}#{notation}#{sha_to[0..7]}"
   end
 
+  def to_reference(from_project = nil)
+    if cross_project_reference?(from_project)
+      "#{project.to_reference}@#{to_s}"
+    else
+      to_s
+    end
+  end
+
   # Returns a String for use in a link's title attribute
   def reference_title
     "Commits #{suffixed_sha_from} through #{sha_to}"