From 5382ccdd9e07c3284e0d5f9ed8e67de28cd31ddf Mon Sep 17 00:00:00 2001
From: Eric Tsai <erictyl0722@rulingcom.com>
Date: Wed, 9 Oct 2019 13:57:49 +0800
Subject: [PATCH 1/3] create rake task to remove preview bulletins

---
 lib/tasks/bulletin_tasks.rake | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/lib/tasks/bulletin_tasks.rake b/lib/tasks/bulletin_tasks.rake
index cfe4f33..ea6425e 100644
--- a/lib/tasks/bulletin_tasks.rake
+++ b/lib/tasks/bulletin_tasks.rake
@@ -1,4 +1,8 @@
-# desc "Explaining what the task does"
-# task :bulletin do
-#   # Task goes here
-# end
+desc 'Remove duplicated bulletins (announcements) created by preview'
+
+namespace :bulletin do
+  task :remove_preview_bulletins do
+    bulletins = Bulletin.where(is_preview: true)
+    bulletins.destroy_all
+  end
+end

From 585397f32fcf041d51c25fd63d812bdce5e02bd3 Mon Sep 17 00:00:00 2001
From: Eric Tsai <erictyl0722@rulingcom.com>
Date: Wed, 9 Oct 2019 16:41:17 +0800
Subject: [PATCH 2/3] let rake task use orbit site's environment

---
 lib/tasks/bulletin_tasks.rake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/tasks/bulletin_tasks.rake b/lib/tasks/bulletin_tasks.rake
index ea6425e..434204a 100644
--- a/lib/tasks/bulletin_tasks.rake
+++ b/lib/tasks/bulletin_tasks.rake
@@ -1,7 +1,7 @@
 desc 'Remove duplicated bulletins (announcements) created by preview'
 
 namespace :bulletin do
-  task :remove_preview_bulletins do
+  task :remove_preview_bulletins => [:environment] do
     bulletins = Bulletin.where(is_preview: true)
     bulletins.destroy_all
   end

From 7471f40e3f39b0ca96795e302a84b194dd936aa0 Mon Sep 17 00:00:00 2001
From: Eric Tsai <erictyl0722@rulingcom.com>
Date: Wed, 9 Oct 2019 16:43:37 +0800
Subject: [PATCH 3/3] delete preview bulletins at 02:43 daily, using ruby
 process rather than cronjob

---
 announcement.gemspec             | 2 ++
 config/initializers/scheduler.rb | 9 +++++++++
 2 files changed, 11 insertions(+)
 create mode 100644 config/initializers/scheduler.rb

diff --git a/announcement.gemspec b/announcement.gemspec
index 29337cc..90c1f23 100644
--- a/announcement.gemspec
+++ b/announcement.gemspec
@@ -16,4 +16,6 @@ Gem::Specification.new do |s|
 
   s.files = Dir["{app,config,db,lib}/**/*", "MIT-LICENSE", "Rakefile", "README.rdoc"]
   s.test_files = Dir["test/**/*"]
+
+  s.add_dependency "rufus-scheduler", "~> 3.6.0"
 end
diff --git a/config/initializers/scheduler.rb b/config/initializers/scheduler.rb
new file mode 100644
index 0000000..24f6666
--- /dev/null
+++ b/config/initializers/scheduler.rb
@@ -0,0 +1,9 @@
+require 'rufus-scheduler'
+
+scheduler = Rufus::Scheduler.new
+
+#return if defined?(Rails::Console) || Rails.env.test? || File.split($0).last == 'rake'
+
+scheduler.cron '43 2 * * *' do
+  system('bundle exec rake bulletin:remove_preview_bulletins')
+end