课程作业列表增加分页

app/controllers/bids_controller.rb

@@ -496,11 +496,18 @@ class BidsController < ApplicationController
         #@homework_list = @bid.homeworks
         #增加作业按评分排序，
         #@homework_list = @bid.homeworks.eager_load(:rate_averages, :user, :attachments).order('seems_rateable_cached_ratings.avg DESC').order("#{HomeworkAttach.table_name}.created_at ASC")
-         @homework_list = HomeworkAttach.eager_load(:attachments,:user,:rate_averages).find_by_sql("SELECT homework_attaches.*,
+         all_homework_list = HomeworkAttach.eager_load(:attachments,:user,:rate_averages).find_by_sql("SELECT homework_attaches.*,
             (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id = #{@bid.author_id}) AS t_score,
             (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id <> #{@bid.author_id}) AS s_score
             FROM homework_attaches WHERE bid_id = #{@bid.id} ORDER BY
             (CASE WHEN t_score IS NULL THEN 0 ELSE t_score * #{teacher_proportion} END + CASE WHEN s_score IS NULL THEN 0 ELSE s_score * #{1 - teacher_proportion} END) DESC,created_at ASC")
+
+        limit =  10
+        feedback_count = all_homework_list.count
+        @feedback_pages = Paginator.new feedback_count, limit, params['page']
+        offset ||= @feedback_pages.offset
+        @homework_list = all_homework_list[offset, limit]
+
         if params[:student_id].present?
           @temp = []
           @homework_list.each do |pro|

app/views/bids/_homework_list.html.erb

@@ -154,3 +154,10 @@
 	</table>
 	<div class="line_under"></div>
 <% end %>
+
+<!--分页-->
+<div class="pagination" style="float:left;">
+  <ul>
+    <%= pagination_links_full @feedback_pages %>
+  </ul>
+</div>