From d1bce8ea75df00970f3d4a67587ceb64bf4ec905 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Wed, 17 May 2017 18:00:13 +0000
Subject: Add auxiliary blob viewer for CHANGELOG

---
 app/models/blob_viewer/base.rb      |  2 ++
 app/models/blob_viewer/changelog.rb | 16 ++++++++++++++++
 app/models/blob_viewer/license.rb   |  2 +-
 3 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 app/models/blob_viewer/changelog.rb

(limited to 'app/models/blob_viewer')

diff --git a/app/models/blob_viewer/base.rb b/app/models/blob_viewer/base.rb
index c7b8fbfc56a..26a3778c2a3 100644
--- a/app/models/blob_viewer/base.rb
+++ b/app/models/blob_viewer/base.rb
@@ -11,6 +11,8 @@ module BlobViewer
     attr_reader :blob
     attr_accessor :override_max_size
 
+    delegate :project, to: :blob
+
     def initialize(blob)
       @blob = blob
     end
diff --git a/app/models/blob_viewer/changelog.rb b/app/models/blob_viewer/changelog.rb
new file mode 100644
index 00000000000..0464ae27f71
--- /dev/null
+++ b/app/models/blob_viewer/changelog.rb
@@ -0,0 +1,16 @@
+module BlobViewer
+  class Changelog < Base
+    include Auxiliary
+    include Static
+
+    self.partial_name = 'changelog'
+    self.file_types = %i(changelog)
+    self.binary = false
+
+    def render_error
+      return if project.repository.tag_count > 0
+
+      :no_tags
+    end
+  end
+end
diff --git a/app/models/blob_viewer/license.rb b/app/models/blob_viewer/license.rb
index 6751ea15a5d..57355f2c3aa 100644
--- a/app/models/blob_viewer/license.rb
+++ b/app/models/blob_viewer/license.rb
@@ -8,7 +8,7 @@ module BlobViewer
     self.binary = false
 
     def license
-      blob.project.repository.license
+      project.repository.license
     end
 
     def render_error
-- 
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