From c0faf91ff23815404a95cf4510b43dcf5e331c4f Mon Sep 17 00:00:00 2001
From: Robert Speicher <rspeicher@gmail.com>
Date: Sat, 2 May 2015 23:11:21 -0400
Subject: 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.
---
 app/models/issue.rb | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

(limited to 'app/models/issue.rb')

diff --git a/app/models/issue.rb b/app/models/issue.rb
index 6e102051387..ff13cbca845 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -21,10 +21,11 @@ require 'carrierwave/orm/activerecord'
 require 'file_size_validator'
 
 class Issue < ActiveRecord::Base
-  include Issuable
   include InternalId
-  include Taskable
+  include Issuable
+  include Referable
   include Sortable
+  include Taskable
 
   ActsAsTaggableOn.strict_case_match = true
 
@@ -49,14 +50,28 @@ class Issue < ActiveRecord::Base
     state :closed
   end
 
+  def self.reference_prefix
+    '#'
+  end
+
   def hook_attrs
     attributes
   end
 
+  def to_reference(from_project = nil)
+    reference = "#{self.class.reference_prefix}#{iid}"
+
+    if cross_project_reference?(from_project)
+      reference = project.to_reference + reference
+    end
+
+    reference
+  end
+
   # Mentionable overrides.
 
   def gfm_reference
-    "issue ##{iid}"
+    "issue #{to_reference}"
   end
 
   # Reset issue events cache
-- 
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