1 files changed, 22 insertions, 0 deletions
diff --git a/app/controllers/concerns/preview_markdown.rb b/app/controllers/concerns/preview_markdown.rb
new file mode 100644
index 00000000000..5ce602b55a8
--- /dev/null
+++ b/app/controllers/concerns/preview_markdown.rb
@@ -0,0 +1,22 @@
+module PreviewMarkdown
+  extend ActiveSupport::Concern
+
+  def preview_markdown
+    result = PreviewMarkdownService.new(@project, current_user, params).execute
+
+    markdown_params =
+      case controller_name
+      when 'wikis'    then { pipeline: :wiki, project_wiki: @project_wiki, page_slug: params[:id] }
+      when 'snippets' then { skip_project_check: true }
+      else {}
+      end
+
+    render json: {
+      body: view_context.markdown(result[:text], markdown_params),
+      references: {
+        users: result[:users],
+        commands: view_context.markdown(result[:commands])
+      }
+    }
+  end
+end