Create traces feed resource

app/controllers/traces/feeds_controller.rb

@@ -0,0 +1,20 @@
+module Traces
+  class FeedsController < ApplicationController
+    before_action :authorize_web
+    before_action :set_locale
+    before_action :check_database_readable
+
+    authorize_resource :class => Trace
+
+    def show
+      @traces = Trace.visible_to_all.visible
+
+      @traces = @traces.joins(:user).where(:users => { :display_name => params[:display_name] }) if params[:display_name]
+
+      @traces = @traces.tagged(params[:tag]) if params[:tag]
+      @traces = @traces.order("timestamp DESC")
+      @traces = @traces.limit(20)
+      @traces = @traces.includes(:user)
+    end
+  end
+end