已点过赞的动态显示”已赞“

app/controllers/praise_tread_controller.rb

@@ -24,7 +24,7 @@ class PraiseTreadController < ApplicationController
         end
         return
       end
-      #@horizontal = params[:horizontal].downcase == "false" ? false:true
+      @horizontal = params[:horizontal].downcase == "false" ? false:true if params[:horizontal]
       if @obj.respond_to?("author_id")
         author_id = @obj.author_id
       elsif @obj.respond_to?("user_id")
@@ -127,6 +127,8 @@ class PraiseTreadController < ApplicationController
       @obj = Comment.find_by_id(id)
     when 'Journal'
       @obj = Journal.find_by_id(id)
+    else
+      @obj = nil
     end
     return @obj
   end
@@ -143,7 +145,8 @@ class PraiseTreadController < ApplicationController
       # end
 
       #再创建或更新praise_tread_cache表
-      @ptc = PraiseTreadCache.find_by_object_id_and_object_type(id,type)
+      #@ptc = PraiseTreadCache.find_by_object_id_and_object_type(id,type)
+      @ptc = PraiseTreadCache.where("object_id = ? and object_type = ?",id.to_i,type).first
       @ptc = @ptc.nil? ? PraiseTreadCache.new : @ptc
       @ptc.object_id = id.to_i
       @ptc.object_type = type

app/views/praise_tread/_praise.html.erb

@@ -1,7 +1,13 @@
 <% if PraiseTread.where("praise_tread_object_id=? and praise_tread_object_type=? and user_id=?",activity.id,activity.class.to_s,User.current.id).empty? %>
     <a href="<%= praise_tread_praise_plus_path({:obj_id=>activity.id,:obj_type=>activity.class,:user_activity_id=>user_activity_id,:type=>type })%>" data-remote="true" class="<%=type == 'reply'? 'fr' : 'ml15' %> likeButton" title="点赞" >
-      <span class="likeText">赞</span><span class="likeNum"><%= get_praise_num(activity) > 0 ? "（#{get_praise_num(activity)}）" : "" %></span></a>
+      <span class="likeText">赞</span>
+      <% num = get_praise_num(activity) %>
+      <span class="likeNum"><%= num > 0 ? "（#{num}）" : "" %></span>
+    </a>
 <% else %>
     <a href="<%= praise_tread_praise_minus_path({:obj_id=>activity.id,:obj_type=>activity.class,:user_activity_id=>user_activity_id,:type=>type })%>" data-remote="true" class="<%=type == 'reply'? 'fr' : 'ml15' %> likeButton" title="取消点赞" >
-      <span class="likeText">赞</span><span class="likeNum"><%= get_praise_num(activity) > 0 ? "（#{get_praise_num(activity)}）" : "" %></span></a>
+      <span class="likeText">已赞</span>
+      <% num = get_praise_num(activity) %>
+      <span class="likeNum"><%= num > 0 ? "（#{num}）" : "" %></span>
+    </a>
 <% end %>