Fix bug where Wiki pages that include a '/' were no longer accessible

Closes #1363

1 files changed, 22 insertions, 0 deletions

diff --git a/app/helpers/wiki_helper.rb b/app/helpers/wiki_helper.rb
new file mode 100644
index 00000000000..a3bc64c010e
--- /dev/null
+++ b/app/helpers/wiki_helper.rb
@@ -0,0 +1,22 @@
+module WikiHelper
+  # Rails v4.1.9+ escapes all model IDs, converting slashes into %2F. The
+  # only way around this is to implement our own path generators.
+  def namespace_project_wiki_path(namespace, project, wiki_page, *args)
+    slug =
+        case wiki_page
+        when Symbol
+          wiki_page
+        else
+          wiki_page.slug
+        end
+    namespace_project_path(namespace, project) + "/wikis/#{slug}"
+  end
+
+  def edit_namespace_project_wiki_path(namespace, project, wiki_page, *args)
+    namespace_project_wiki_path(namespace, project, wiki_page) + '/edit'
+  end
+
+  def history_namespace_project_wiki_path(namespace, project, wiki_page, *args)
+    namespace_project_wiki_path(namespace, project, wiki_page) + '/history'
+  end
+end