将邮件发送放到后台进程中

Gemfile

@@ -8,6 +8,8 @@ unless RUBY_PLATFORM =~ /w32/
   gem 'zip-zip'
 end
 
+gem 'delayed_job_active_record'#, :group => :production
+gem 'daemons'
 gem 'grape', '~> 0.9.0'
 gem 'grape-entity'
 gem 'seems_rateable', '~> 1.0.13'

app/controllers/account_controller.rb

@@ -88,9 +88,7 @@ class AccountController < ApplicationController
         # create a new token for password recovery
         token = Token.new(:user => user, :action => "recovery")
         if token.save
-          Thread.new do
+            Mailer.run.lost_password(token)
-            Mailer.lost_password(token).deliver
-          end
             flash[:notice] = l(:notice_account_lost_email_sent)
             redirect_to signin_url
           return                      
@@ -228,7 +226,7 @@ class AccountController < ApplicationController
     user = User.find(params[:user]) if params[:user]
     token = Token.new(:user => user, :action => "register")
     if token.save
-      Mailer.register(token).deliver
+      Mailer.run.register(token)
 
     else
       yield if block_given?
@@ -366,7 +364,7 @@ class AccountController < ApplicationController
     token = Token.new(:user => user, :action => "register")
     if user.save and token.save
       UserStatus.create(:user_id => user.id, :changsets_count => 0, :watchers_count => 0)
-      Mailer.register(token).deliver
+      Mailer.run.register(token)
 
 
       flash[:notice] = l(:notice_account_register_done)
@@ -401,7 +399,7 @@ class AccountController < ApplicationController
     if user.save
       UserStatus.create(:user_id => user.id ,:changsets_count => 0, :watchers_count => 0)
       # Sends an email to the administrators
-      Mailer.account_activation_request(user).deliver
+      Mailer.run.account_activation_request(user)
       account_pending
     else
       yield if block_given?

app/controllers/applied_project_controller.rb

@@ -13,7 +13,7 @@ class AppliedProjectController < ApplicationController
           @applieds = AppliedProject.where("user_id = ? and project_id = ?", params[:user_id],params[:project_id])
           if  @applieds.count == 0
             appliedproject = AppliedProject.create(:user_id => params[:user_id], :project_id => params[:project_id])
-            Mailer.applied_project(appliedproject).deliver
+            Mailer.run.applied_project(appliedproject)
             @status = 2
           else
             @status = 1
@@ -31,7 +31,7 @@ class AppliedProjectController < ApplicationController
     @applieds = AppliedProject.where("user_id = ? and project_id = ?", params[:user_id],params[:project_id])
     if  @applieds.count == 0
       appliedproject = AppliedProject.create(:user_id => params[:user_id], :project_id => params[:project_id])
-      Mailer.applied_project(appliedproject).deliver
+      Mailer.run.applied_project(appliedproject)
     end
 
     #redirect_to project_path(params[:project_id])

app/controllers/documents_controller.rb

@@ -110,7 +110,7 @@ class DocumentsController < ApplicationController
     render_attachment_warning_if_needed(@document)
 
     if attachments.present? && attachments[:files].present? && Setting.notified_events.include?('document_added')
-      Mailer.attachments_added(attachments[:files]).deliver
+      Mailer.run.attachments_added(attachments[:files])
     end
     redirect_to document_url(@document)
   end

app/controllers/files_controller.rb

@@ -241,7 +241,7 @@ class FilesController < ApplicationController
        render_attachment_warning_if_needed(container)
 
        if !attachments.empty? && !attachments[:files].blank? && Setting.notified_events.include?('file_added')
-         Mailer.attachments_added(attachments[:files]).deliver
+         Mailer.run.attachments_added(attachments[:files])
        end
 
        # TODO: 临时用 nyan
@@ -270,7 +270,7 @@ class FilesController < ApplicationController
        attachments = Attachment.attach_filesex(@course, params[:attachments], params[:attachment_type])
 
        if !attachments.empty? && !attachments[:files].blank? && Setting.notified_events.include?('file_added')
-         Mailer.attachments_added(attachments[:files]).deliver
+         Mailer.run.attachments_added(attachments[:files])
        end
 
        # TODO: 临时用 nyan

app/controllers/projects_controller.rb

@@ -336,7 +336,7 @@ class ProjectsController < ApplicationController
   def send_mail_to_member
     if !params[:mail].blank? && User.find_by_mail(params[:mail].to_s).nil?
       email = params[:mail]
-      Mailer.send_invite_in_project(email, @project, User.current).deliver
+      Mailer.run.send_invite_in_project(email, @project, User.current)
       @is_zhuce =false
       flash[:notice] = l(:notice_email_sent, :value => email)
     else

app/controllers/users_controller.rb

@@ -553,7 +553,7 @@ class UsersController < ApplicationController
       @user.pref.save
       @user.notified_project_ids = (@user.mail_notification == 'selected' ? params[:notified_project_ids] : [])
 
-      Mailer.account_information(@user, params[:user][:password]).deliver if params[:send_information]
+      Mailer.run.account_information(@user, params[:user][:password]) if params[:send_information]
 
       respond_to do |format|
         format.html {
@@ -620,9 +620,9 @@ class UsersController < ApplicationController
       @user.notified_project_ids = (@user.mail_notification == 'selected' ? params[:notified_project_ids] : [])
 
       if was_activated
-        Mailer.account_activated(@user).deliver
+        Mailer.run.account_activated(@user)
       elsif @user.active? && params[:send_information] && !params[:user][:password].blank? && @user.auth_source_id.nil?
-        Mailer.account_information(@user, params[:user][:password]).deliver
+        Mailer.run.account_information(@user, params[:user][:password])
       end
 
       respond_to do |format|

app/helpers/account_helper.rb

@@ -23,7 +23,7 @@ module AccountHelper
     token = Token.new(:user => user, :action => "register")
     if user.save and token.save
       UserStatus.create(:user_id => user.id, :changsets_count => 0, :watchers_count => 0)
-      Mailer.register(token).deliver
+      Mailer.run.register(token)
       #flash[:notice] = l(:notice_account_register_done)
       #render action: 'email_valid', locals: {:mail => user.mail}
     else
@@ -51,7 +51,7 @@ module AccountHelper
     if user.save
       UserStatus.create(:user_id => user.id ,:changsets_count => 0, :watchers_count => 0)
       # Sends an email to the administrators
-      Mailer.account_activation_request(user).deliver
+      Mailer.run.account_activation_request(user)
       #account_pending
     else
       yield if block_given?

app/models/comment_observer.rb

@@ -18,10 +18,7 @@
 class CommentObserver < ActiveRecord::Observer
   def after_create(comment)
     if comment.commented.is_a?(News) && Setting.notified_events.include?('news_comment_added')
-      ##by senluo
+        Mailer.run.news_comment_added(comment)
-      thread3=Thread.new do
-        Mailer.news_comment_added(comment).deliver
-      end
     end
   end
 end

app/models/document_observer.rb

@@ -17,9 +17,6 @@
 
 class DocumentObserver < ActiveRecord::Observer
   def after_create(document)
-         ##by senluo
+      Mailer.run.document_added(document) if Setting.notified_events.include?('document_added')
-    thread2=Thread.new do
-      Mailer.document_added(document).deliver if Setting.notified_events.include?('document_added')
-    end
   end
 end

app/models/forum.rb

@@ -36,9 +36,7 @@ class Forum < ActiveRecord::Base
   end
 
   def send_email
-    Thread.start do
+      Mailer.run.forum_add(self) if Setting.notified_events.include?('forum_add')
-      Mailer.forum_add(self).deliver if Setting.notified_events.include?('forum_add')
-    end
   end
   # Updates topic_count, memo_count and last_memo_id attributes for +board_id+
   def self.reset_counters!(forum_id)

app/models/issue_observer.rb

@@ -18,13 +18,11 @@
 class IssueObserver < ActiveRecord::Observer
  
   def after_create(issue)
-    Thread.start do
       # 将跟踪者与本项目的其他成员都设为收件方，并去重，不在进行抄送，
       recipients = issue.recipients - issue.watcher_recipients + issue.watcher_recipients
       recipients.each do |rec|
-        Mailer.issue_add(issue,rec).deliver if Setting.notified_events.include?('issue_added')
+        Mailer.run.issue_add(issue,rec) if Setting.notified_events.include?('issue_added')
       end
-    end
 
   end
 end

app/models/journal_observer.rb

@@ -23,14 +23,12 @@ class JournalObserver < ActiveRecord::Observer
         (Setting.notified_events.include?('issue_status_updated') && journal.new_status.present?) ||
         (Setting.notified_events.include?('issue_priority_updated') && journal.new_value_for('priority_id').present?)
         )
-      Thread.start do
         # 将跟踪者与本项目的其他成员都设为收件方，并去重，不在进行抄送，
         recipients = journal.recipients - journal.watcher_recipients + journal.watcher_recipients
         recipients.each do |rec|
 
-          Mailer.issue_edit(journal,rec).deliver
+          Mailer.run.issue_edit(journal,rec)
         end
-      end
     end
   end
 end

app/models/journals_for_message_observer.rb

@@ -1,9 +1,7 @@
 # Added by young
 class JournalsForMessageObserver < ActiveRecord::Observer
 	def after_create(journals_for_message)
-    thread1 = Thread.start do
+			Mailer.run.journals_for_message_add(User.current, journals_for_message)
-			Mailer.journals_for_message_add(User.current, journals_for_message).deliver
-    end
 	end
 end
 

app/models/mail_handler.rb

@@ -101,7 +101,7 @@ class MailHandler < ActionMailer::Base
           end
           add_user_to_group(@@handler_options[:default_group])
           unless @@handler_options[:no_account_notice]
-            Mailer.account_information(@user, @user.password).deliver
+            Mailer.run.account_information(@user, @user.password)
           end
         else
           if logger && logger.error

app/models/mailer.rb

@@ -27,6 +27,24 @@ class Mailer < ActionMailer::Base
     { :host => Setting.host_name, :protocol => Setting.protocol }
   end
 
+
+  class MailerProxy
+    def initialize(cls)
+      @target = cls
+    end
+    def method_missing(name, *args, &block)
+      if Setting.delayjob_enabled && Object.const_defined?('Delayed::Worker')
+        @target.delay.send(name, *args, &block)
+      else
+        @target.send(name, *args, &block).deliver
+      end
+    end
+  end
+
+  def self.run
+    MailerProxy.new(self)
+  end
+
   # author: alan
   # 发送邀请未注册用户加入项目邮件
   # 功能： 在加入项目的同时自动注册用户

app/models/memo.rb

@@ -56,9 +56,7 @@ class Memo < ActiveRecord::Base
 	# }
 
   def sendmail
-    thread1=Thread.new do
+      Mailer.run.forum_message_added(self) if Setting.notified_events.include?('forum_message_added')
-      Mailer.forum_message_added(self).deliver if Setting.notified_events.include?('forum_message_added')
-    end
   end
 
 	def cannot_reply_to_locked_topic
@@ -115,7 +113,7 @@ class Memo < ActiveRecord::Base
 
 	def send_notification
 		if Setting.notified_events.include?('message_posted')
-			Mailer.message_posted(self).deliver
+			Mailer.run.message_posted(self)
 		end
 	end
 

app/models/memo_observer.rb

@@ -1,8 +1,6 @@
 class MemoObserver < ActiveRecord::Observer
   def after_create(memo)
 
-    thread1=Thread.new do
+      Mailer.run.forum_message_added(memo) if Setting.notified_events.include?('forum_message_added')
-      Mailer.forum_message_added(memo).deliver if Setting.notified_events.include?('forum_message_added')
-    end
   end
 end

app/models/message_observer.rb

@@ -17,9 +17,6 @@
 
 class MessageObserver < ActiveRecord::Observer
   def after_create(message)
-         ##by senluo
+      Mailer.run.message_posted(message) if Setting.notified_events.include?('message_posted')
-    thread5=Thread.new do
-      Mailer.message_posted(message).deliver if Setting.notified_events.include?('message_posted')
-    end
   end
 end

app/models/news_observer.rb

@@ -17,9 +17,6 @@
 
 class NewsObserver < ActiveRecord::Observer
   def after_create(news)
-         ##by senluo
+      Mailer.run.news_added(news) if Setting.notified_events.include?('news_added')
-    thread6=Thread.new do
-      Mailer.news_added(news).deliver if Setting.notified_events.include?('news_added')
-    end
   end
 end

app/models/relative_memo.rb

@@ -159,7 +159,7 @@ class RelativeMemo < ActiveRecord::Base
 
   def send_notification
     if Setting.notified_events.include?('message_posted')
-      Mailer.message_posted(self).deliver
+      Mailer.run.message_posted(self)
     end
   end
 

app/models/wiki_content_observer.rb

@@ -17,18 +17,12 @@
 
 class WikiContentObserver < ActiveRecord::Observer
   def after_create(wiki_content)
-         ##by senluo
+      Mailer.run.wiki_content_added(wiki_content) if Setting.notified_events.include?('wiki_content_added')
-    thread7=Thread.new do
-      Mailer.wiki_content_added(wiki_content).deliver if Setting.notified_events.include?('wiki_content_added')
-    end
   end
 
   def after_update(wiki_content)
     if wiki_content.text_changed?
-           ##by senluo
+        Mailer.run.wiki_content_updated(wiki_content) if Setting.notified_events.include?('wiki_content_updated')
-      thread8=Thread.new do
-        Mailer.wiki_content_updated(wiki_content).deliver if Setting.notified_events.include?('wiki_content_updated')
-      end 
     end
   end
 end

app/services/users_service.rb

@@ -95,9 +95,7 @@ class UsersService
     # create a new token for password recovery
     token = Token.new(:user => user, :action => "recovery")
     if token.save
-      Thread.new do
+      Mailer.run.lost_password(token)
-        Mailer.lost_password(token).deliver
-      end
       return l(:notice_account_lost_email_sent,:locale => user.language)
     end
   end

config/settings.yml

@@ -60,6 +60,11 @@ per_page_options:
   default: '25,50,100'
 mail_from:
   default: trustieforge@gmail.com
+
+### delayjob for send email.
+delayjob_enabled:
+  default: 1
+
 bcc_recipients:
   default: 1
 plain_text_mail:

db/migrate/20150331031554_create_delayed_jobs.rb

@@ -0,0 +1,22 @@
+class CreateDelayedJobs < ActiveRecord::Migration
+  def self.up
+    create_table :delayed_jobs, force: true do |table|
+      table.integer :priority, default: 0, null: false # Allows some jobs to jump to the front of the queue
+      table.integer :attempts, default: 0, null: false # Provides for retries, but still fail eventually.
+      table.text :handler,                 null: false # YAML-encoded string of the object that will do work
+      table.text :last_error                           # reason for last failure (See Note below)
+      table.datetime :run_at                           # When to run. Could be Time.zone.now for immediately, or sometime in the future.
+      table.datetime :locked_at                        # Set when a client is working on this object
+      table.datetime :failed_at                        # Set when all retries have failed (actually, by default, the record is deleted instead)
+      table.string :locked_by                          # Who is working on this object (if locked)
+      table.string :queue                              # The name of the queue this job is in
+      table.timestamps null: true
+    end
+
+    add_index :delayed_jobs, [:priority, :run_at], name: "delayed_jobs_priority"
+  end
+
+  def self.down
+    drop_table :delayed_jobs
+  end
+end