更改项目文档按作者排序

app/controllers/documents_controller.rb

@@ -42,7 +42,8 @@ class DocumentsController < ApplicationController
     when 'title'
       @grouped = documents.group_by {|d| d.title.first.upcase}
     when 'author'
-      @grouped = documents.select{|d| d.attachments.any?}.group_by {|d| d.attachments.last.author}
+     # @grouped = documents.select{|d| d.attachments.any?}.group_by {|d| d.attachments.last.author}
+      @grouped = documents.group_by {|d| d.user.name }
     else
       @grouped = documents.group_by(&:category)
     end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140721074353) do
+ActiveRecord::Schema.define(:version => 20140722024513) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false