Chris@0: # Redmine - project management software
Chris@1295: # Copyright (C) 2006-2013  Jean-Philippe Lang
Chris@0: #
Chris@0: # This program is free software; you can redistribute it and/or
Chris@0: # modify it under the terms of the GNU General Public License
Chris@0: # as published by the Free Software Foundation; either version 2
Chris@0: # of the License, or (at your option) any later version.
Chris@441: #
Chris@0: # This program is distributed in the hope that it will be useful,
Chris@0: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@0: # GNU General Public License for more details.
Chris@441: #
Chris@0: # You should have received a copy of the GNU General Public License
Chris@0: # along with this program; if not, write to the Free Software
Chris@0: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@0: 
Chris@0: class News < ActiveRecord::Base
Chris@929:   include Redmine::SafeAttributes
Chris@0:   belongs_to :project
Chris@0:   belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
Chris@0:   has_many :comments, :as => :commented, :dependent => :delete_all, :order => "created_on"
Chris@441: 
Chris@0:   validates_presence_of :title, :description
Chris@0:   validates_length_of :title, :maximum => 60
Chris@0:   validates_length_of :summary, :maximum => 255
Chris@0: 
Chris@1115:   acts_as_attachable :delete_permission => :manage_news
Chris@0:   acts_as_searchable :columns => ['title', 'summary', "#{table_name}.description"], :include => :project
Chris@0:   acts_as_event :url => Proc.new {|o| {:controller => 'news', :action => 'show', :id => o.id}}
Chris@0:   acts_as_activity_provider :find_options => {:include => [:project, :author]},
Chris@0:                             :author_key => :author_id
Chris@441:   acts_as_watchable
Chris@441: 
Chris@441:   after_create :add_author_as_watcher
Chris@441: 
Chris@1295:   scope :visible, lambda {|*args|
Chris@1295:     includes(:project).where(Project.allowed_to_condition(args.shift || User.current, :view_news, *args))
Chris@1295:   }
Chris@441: 
Chris@929:   safe_attributes 'title', 'summary', 'description'
Chris@929: 
Chris@0:   def visible?(user=User.current)
Chris@0:     !user.nil? && user.allowed_to?(:view_news, project)
Chris@0:   end
Chris@441: 
Chris@1115:   # Returns true if the news can be commented by user
Chris@1115:   def commentable?(user=User.current)
Chris@1115:     user.allowed_to?(:comment_news, project)
Chris@1115:   end
Chris@1115: 
Chris@1295:   def recipients
Chris@1295:     project.users.select {|user| user.notify_about?(self)}.map(&:mail)
Chris@1295:   end
Chris@1295: 
Chris@0:   # returns latest news for projects visible by user
Chris@0:   def self.latest(user = User.current, count = 5)
Chris@1115:     visible(user).includes([:author, :project]).order("#{News.table_name}.created_on DESC").limit(count).all
Chris@0:   end
Chris@441: 
Chris@441:   private
Chris@441: 
Chris@441:   def add_author_as_watcher
Chris@441:     Watcher.create(:watchable => self, :user => author)
Chris@441:   end
Chris@443: 
chris@374:   # returns latest news for a specific project
chris@374:   def self.latest_for(project, count = 5)
chris@374:     find(:all, :limit => count, :conditions => [ "#{News.table_name}.project_id = #{project.id}", Project.allowed_to_condition(User.current, :view_news) ], :include => [ :author, :project ], :order => "#{News.table_name}.created_on DESC") 
chris@374:   end
Chris@0: end