forum: add /forum_topic_visits.{json,xml} endpoint.

For debugging purposes only.

app/controllers/forum_topic_visits_controller.rb

@@ -0,0 +1,9 @@
+class ForumTopicVisitsController < ApplicationController
+  respond_to :xml, :json
+  before_action :member_only
+
+  def index
+    @forum_topic_visits = ForumTopicVisit.where(user: CurrentUser.user).paginated_search(params)
+    respond_with(@forum_topic_visits)
+  end
+end

app/models/forum_topic_visit.rb

@@ -5,4 +5,10 @@ class ForumTopicVisit < ApplicationRecord
   def self.prune!(user)
     where("user_id = ? and last_read_at < ?", user.id, user.last_forum_read_at).delete_all
   end
+
+  def self.search(params)
+    q = super
+    q = q.search_attributes(params, :user, :forum_topic_id, :last_read_at)
+    q.apply_default_order(params)
+  end
 end