Count wiki page creation

This adds a counter to count page creation, which is reflected in the
usage-data we collect.

The number created is stored in Redis, avoiding DB access.

1 files changed, 6 insertions, 0 deletions

diff --git a/app/services/wiki_pages/base_service.rb b/app/services/wiki_pages/base_service.rb
index e259f5bd1bc..b9df690c2b7 100644
--- a/app/services/wiki_pages/base_service.rb
+++ b/app/services/wiki_pages/base_service.rb
@@ -8,6 +8,12 @@ module WikiPages
       page_data = Gitlab::DataBuilder::WikiPage.build(page, current_user, action)
       @project.execute_hooks(page_data, :wiki_page_hooks)
       @project.execute_services(page_data, :wiki_page_hooks)
+      increment_usage(action)
+    end
+
+    # This method throws an error if the action is an unanticipated value.
+    def increment_usage(action)
+      Gitlab::UsageDataCounters::WikiPageCounter.count(action)
     end
   end
 end