<p>photo<ahref="http://10.0.47.15:3000/shares/new?access_token='2d3dda45dsd'&comment='verygood'&title=davide&share_type=1&url=http://www.baidu.com"> Share A </a></p>
<hr/>
<h2>这是一段视频</h2>
<p>Text<ahref="http://10.0.47.15:3000/shares/new?access_token=2d3dda45dsd&comment=verygood&title=kaka&share_type=2&url=http://www.sina.com"> Share B </a></p>
<hr/>
<h2>这是一篇文章</h2>
<p>Text<ahref="http://10.0.47.15:3000/shares/new?access_token=2d3dda45dsd&comment=verygood&title=pepe&share_type=3&url=http://www.sina.com"> Share C </a></p>
activities=UserActivity.where("(container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types})"+
"or (container_type = 'Course' and container_id in #{user_course_ids} and act_type in #{course_types}) "+
"or (container_type = 'Principal' and act_type= '#{principal_types}' and container_id = #{user.id}) "+
"or (container_type = 'Blog' and act_type= 'BlogComment' and container_id in #{blog_ids})").order('updated_at desc')
=end
user=current_user
shield_project_ids=ShieldActivity.select("shield_id").where("container_type='User' and container_id=#{user.id} and shield_type='Project'").map(&:shield_id)
shield_course_ids=ShieldActivity.select("shield_id").where("container_type='User' and container_id=#{user.id} and shield_type='Course'").map(&:shield_id)
watched_user_blog_ids=Blog.select("id").where("author_id in #{user_ids}").map {|blog|blog.id}.join(",")
watched_user_blog_ids=Blog.select("id").where("author_id in #{user_ids}").count ==0?"":Blog.select("id").where("author_id in #{user_ids}").map {|blog|blog.id}.join(",")
blog_ids="("+watched_user_blog_ids+")"
activities=UserActivity.where("(container_type = 'Project' and container_id in #{user_project_ids} and act_type in #{project_types})"+