用户动态仅显示公开项目中的动态

app/controllers/users/project_trends_controller.rb

@@ -6,6 +6,7 @@ class Users::ProjectTrendsController < Users::BaseController
     else 
       @project_trends = observed_user.project_trends
     end
+    @project_trends = @project_trends.joins(:project).where("projects.is_public = TRUE")
     @project_trends = kaminari_paginate(@project_trends.includes(:trend, :project).order(created_at: :desc))
   end
 end