对course base做了缓存

Gemfile

@@ -53,7 +53,7 @@ gem 'elasticsearch-rails'
  gem "test-unit", "~>3.0"
 
 ### profile
- gem 'oneapm_rpm'
+#  gem 'oneapm_rpm'
 
 group :development do
   gem 'grape-swagger'

app/caches/course_base_cache.rb

@@ -0,0 +1,53 @@
+
+	class CourseBaseCache
+
+
+
+		class << self
+	## [ 1: {
+	#		teacher_num: 1,
+	#		student_num: 2,
+	#		course_file_num: 10 
+	#	}, ]
+
+
+		include CoursesHelper
+	
+
+	def cache_with_course(course_id)
+		data = cache[course_id]
+		unless data
+			course = Course.find(course_id)
+			teacher_num = TeacherAndAssistantCount(course)
+			student_num = studentCount(course)
+			course_file_num = visable_attachemnts_incourse(course).count
+
+			@cache_data[course_id] = {
+				teacher_num: teacher_num,
+				student_num: student_num,
+				course_file_num: course_file_num
+			}
+			sync
+		end
+
+		@cache_data[course_id]
+	end
+
+	def update(course_id, opt={})
+		@cache_data[course_id] = cache_with_course(course_id).merge(opt)
+		sync
+	end
+
+	private
+	def sync
+		Rails.cache.write("_course_base_num", @cache_data)
+	end
+
+	def cache
+		@cache_data ||= Rails.cache.read("_course_base_num") || {}
+	end
+
+	end
+
+
+	end

app/helpers/application_helper.rb

@@ -3345,17 +3345,7 @@ end
 
 #获取所有子节点
 def get_all_children result, jour
-  if jour.kind_of? Message
-    jour.children.includes(:author, :praise_tread_cache).each do |jour_child|
-      result << jour_child
-      get_all_children_ex result, jour_child
-    end
-  elsif (jour.kind_of? JournalsForMessage) || (jour.kind_of? BlogComment) || (jour.kind_of? OrgDocumentComment)
-    jour.children.each do |jour_child|
-      result << jour_child
-      get_all_children_ex result, jour_child
-    end
-  end
+  get_all_children_ex result, jour
   if jour.respond_to?(:created_on)
     result.sort! { |a,b| b.created_on <=> a.created_on }
   elsif jour.respond_to?(:created_at)

app/views/layouts/_course_base_info.html.erb

@@ -1,7 +1,13 @@
 <% is_teacher = User.current.logged? && (User.current.admin? || User.current.allowed_to?(:as_teacher,@course)) %>
-<% teacher_num = TeacherAndAssistantCount(@course) %>
-<% student_num = studentCount(@course) %>
-<% course_file_num = visable_attachemnts_incourse(@course).count %>
+
+<%# teacher_num = TeacherAndAssistantCount(@course) %>
+<%# student_num = studentCount(@course) %>
+<%# course_file_num = visable_attachemnts_incourse(@course).count %>
+
+<% teacher_num = CourseBaseCache.cache_with_course(@course.id)[:teacher_num] %>
+<% student_num = CourseBaseCache.cache_with_course(@course.id)[:student_num] %>
+<% course_file_num = CourseBaseCache.cache_with_course(@course.id)[:course_file_num] %>
+
 <p class="sy_cgrey mb10 mr20">
   <%= link_to(@course.teacher.show_name, user_path(@course.teacher), :class => 'sy_cgrey') %>
   &nbsp;&gt;&nbsp;

app/views/users/_homework_base_info.html.erb

@@ -175,4 +175,4 @@
         </li>
       </ul>
     </div>
-<% end%>
+<% end%>

config/environments/development.rb

@@ -12,7 +12,8 @@ RedmineApp::Application.configure do
   # Show full error reports and disable caching
   config.consider_all_requests_local = true
   config.action_controller.perform_caching             = true
-  config.cache_store = :file_store,  "#{Rails.root }/files/cache_store/"
+  # config.cache_store = :file_store,  "#{Rails.root }/files/cache_store/"
+  config.cache_store = :redis_store, "redis://localhost:6379/0"
   #config.cache_store = :dalli_store
   # Don't care if the mailer can't send
   config.action_mailer.raise_delivery_errors = true