modify library show page praise style when user unlogged

app/views/libraries/index.html.erb

@@ -18,7 +18,7 @@
       </ul>
       <div class="edu-position fr mt12 mb10">
         <%= hidden_field_tag(:type, params[:type]) %>
-        <input class="winput-300-35 panel-box-sizing" placeholder="输入教学案例标题、编号进行检索" type="text" id="search_name">
+        <input class="winput-300-35 panel-box-sizing" placeholder="输入教学案例标题、作者、单位进行检索" type="text" id="search_name">
         <a href="javascript:void(0);" class="edu-btn-search font-16 color-grey" id="search"><i class="fa fa-search"></i></a>
       </div>
     </div>

app/views/praise_tread/_new_praise.html.erb

@@ -2,8 +2,12 @@
   praised = PraiseTread.praised(object)
   praise_num = get_praise_num(object) || 0
 %>
+<% if User.current.try(:logged?) %>
   <p class="noteDetailPoints plus-praise-btn" data-tip-down="点赞" style="<%= praised ? 'display:block' : 'display:none' %>"><i class="iconfont icon-dianzan"></i><br><span class="praise-num"><%= praise_num %></span></p>
   <p class="noteDetailPointsBCD1E3 minus-praise-btn" data-tip-down="取消点赞" style="<%= praised ? 'display:none' : 'display:block' %>"><span>已赞</span><br><span class="praise-num"><%= praise_num %></span></p>
+<% else %>
+  <p class="noteDetailPointsBCD1E3 minus-praise-btn unlogged"><i class="iconfont icon-dianzan"></i><br><span class="praise-num"><%= praise_num %></span></p>
+<% end %>
 
 <script>
   $(function(){
@@ -26,6 +30,11 @@
     });
 
     $minusPraiseBtn.on('click', function(){
+      if($(this).hasClass('unlogged')){
+        window.location.href = '<%= signin_path(back_url: request.original_url) %>';
+        return;
+      }
+
       $.ajax({
         method: "get",
         url: "<%= praise_tread_praise_minus_path(obj_id: object.id, obj_type: object.class) %>",