记录谁合并的pull request请求

app/helpers/pull_requests_helper.rb

@@ -14,6 +14,11 @@ module PullRequestsHelper
     User.find(user_id).try(:login)
   end
 
+  # 获取接受PullRequest用户的信息
+  def accept_user pull_request_id
+    PullRequest.where(:pull_request_id => pull_request_id).first
+  end
+
   def get_state state
     case state
       when "open","reopened"

app/views/pull_requests/_show.html.erb

@@ -24,7 +24,9 @@
     <% else %>
         <% if @request.state == "merged" %>
             <div class="merge-commit-option mt15">
-              <span class="fontGrey3 fb" style="font-size:13px;"><%#= link_to @request.author.try(:username), user_path(get_user_by_login_and(@request.author.try(:username))), :class => "link-blue" %>于<%= time_tag(@request.created_at) %> 前合并</span><br />
+              <% unless accept_user(@request.id).blank? %>
+                  <span class="fontGrey3 fb" style="font-size:13px;"><%= link_to User.find(accept_user(@request.id).user_id), user_path(accept_user(@request.id).user_id), :class => "link-blue" %> 于 <%= time_tag(accept_user(@request.id).created_at) %> 前合并</span><br />
+              <% end %>
               <p class="fontGrey2 mt5">改动已合并至<%= @request.target_branch %></p>
             </div>
         <% else %>