Implement diff viewers

1 files changed, 24 insertions, 0 deletions

diff --git a/app/helpers/diff_helper.rb b/app/helpers/diff_helper.rb
index 2ae3a616933..06822747d11 100644
--- a/app/helpers/diff_helper.rb
+++ b/app/helpers/diff_helper.rb
@@ -124,6 +124,30 @@ module DiffHelper
     !diff_file.deleted_file? && @merge_request && @merge_request.source_project
   end
 
+  def diff_render_error_reason(viewer)
+    case viewer.render_error
+    when :too_large
+      "it is too large"
+    when :server_side_but_stored_externally
+      case viewer.diff_file.external_storage
+      when :lfs
+        'it is stored in LFS'
+      else
+        'it is stored externally'
+      end
+    end
+  end
+
+  def diff_render_error_options(viewer)
+    diff_file = viewer.diff_file
+    options = []
+
+    blob_url = namespace_project_blob_path(@project.namespace, @project, tree_join(diff_file.content_sha, diff_file.file_path))
+    options << link_to('view the blob', blob_url)
+
+    options
+  end
+
   private
 
   def diff_btn(title, name, selected)