add :edit action

app/controllers/admin/activities_controller.rb

@@ -2,9 +2,8 @@ class Admin::ActivitiesController < OrbitMemberController
   layout "member_plugin"
   #include Admin::PersonalActivitiesHelper
 
-  #before_action :set_writing_conference, only: [:show, :edit , :update, :destroy]
+  before_action :set_activity, only: [:edit]
   #before_action :set_plugin
-  #before_action :get_settings,:only => [:new, :edit, :setting]
 
   #before_action :need_access_right
   #before_action :allow_admin_only, :only => [:index, :setting]
@@ -16,4 +15,21 @@ class Admin::ActivitiesController < OrbitMemberController
       format.xml  { render :xml => @activities }
     end
   end
+
+  def edit
+  end
+
+  private
+
+  def set_activity
+    path = request.path.split('/')
+    if path.last.include? '-'
+      uid = path[-1].split("-").last
+      uid = uid.split("?").first
+    else
+      uid = path[-2].split("-").last
+      uid = uid.split("?").first
+    end
+    @activity = Activity.find_by(:uid => uid) rescue Activity.find(params[:id])
+  end
 end