@attachments=Attachment.where("(author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
"or (container_type = 'Course' and container_id in (#{user_course_ids.empty??'0':user_course_ids.join(',')}))").order("created_on desc")
elsifparams[:type]=="2"#课程资源
user_course_ids=User.current.courses.map{|c|c.id}
@attachments=Attachment.where("(author_id = #{params[:id]} and container_type = 'Course') or (container_type = 'Course' and container_id in (#{user_course_ids.empty??'0':user_course_ids.join(',')})) ").order("created_on desc")
elsifparams[:type]=="3"#项目资源
@attachments=Attachment.where("author_id = #{params[:id]} and container_type = 'Project'").order("created_on desc")
elsifparams[:type]=="4"#附件
@attachments=Attachment.where("author_id = #{params[:id]} and container_type in('Issue','Document','Message','News','StudentWorkScore','HomewCommon')").order("created_on desc")
elsifparams[:type]=="5"#用户资源
@attachments=Attachment.where("author_id = #{params[:id]} and container_type = 'Principal'").order("created_on desc")
@attachments=Attachment.where("((author_id = #{params[:id]} and container_type in('Project','Principal','Course','Issue','Document','Message','News','StudentWorkScore','HomewCommon')) "+
" or (container_type = 'Course' and container_id in (#{user_course_ids.empty??'0':user_course_ids.join(',')}))) and (filename like '%#{search}%') ").order("created_on desc")
elsifparams[:type]=="2"#课程资源
user_course_ids=User.current.courses.map{|c|c.id}
@attachments=Attachment.where("(author_id = #{params[:id]} and container_type = 'Course') or (container_type = 'Course' and container_id in (#{user_course_ids.empty??'0':user_course_ids.join(',')})) and (filename like '%#{search}%') ").order("created_on desc")
elsifparams[:type]=="3"#项目资源
@attachments=Attachment.where("author_id = #{params[:id]} and container_type = 'Project' and (filename like '%#{search}%')").order("created_on desc")
elsifparams[:type]=="4"#附件
@attachments=Attachment.where("author_id = #{params[:id]} and container_type in('Project','Issue','Document','Message','News','StudentWorkScore','HomewCommon') and (filename like '%#{search}%')").order("created_on desc")
elsifparams[:type]=="5"#用户资源
@attachments=Attachment.where("author_id = #{params[:id]} and container_type = 'Principal' and (filename like '%#{search}%')").order("created_on desc")