Initial code for system notifications [SCI-444]

app/helpers/notifications_helper.rb

@@ -0,0 +1,10 @@
+module NotificationsHelper
+
+  def create_system_notification(title, message)
+    users = User.where.not(confirmed_at: nil)
+    users.each do |u|
+      UserNotification.create_notification(u, title, message, :system_message)
+    end
+  end
+
+end

app/models/user_notification.rb

@@ -12,4 +12,17 @@ class UserNotification < ActiveRecord::Base
   def self.unseen_notification(user)
     where('user_id = ? AND checked = false', user.id).count
   end
+
+  def self.create_notification(user, title, message, type)
+    notification = Notification.new
+    notification.transaction do
+      notification.title = title
+      notification.message = message
+      notification.type_of = type
+      notification.save!
+      usernotification = UserNotification.new(user: user, notification: notification, checked: false)
+      usernotification.save!
+    end
+  end
+
 end

lib/tasks/notifications.rake

@@ -0,0 +1,10 @@
+namespace :notifications do
+
+  desc 'Creates new system notification for all active users'
+  task :new_release => :environment do
+    include NotificationsHelper
+    puts 'Creation of system notification for all active users with link to release notes'
+    create_system_notification('New release', 'http://scinote.net/docs/release-notes/')
+  end
+
+end