Chris@909: # Redmine - project management software
Chris@909: # Copyright (C) 2006-2011  Jean-Philippe Lang
Chris@909: #
Chris@909: # This program is free software; you can redistribute it and/or
Chris@909: # modify it under the terms of the GNU General Public License
Chris@909: # as published by the Free Software Foundation; either version 2
Chris@909: # of the License, or (at your option) any later version.
Chris@909: #
Chris@909: # This program is distributed in the hope that it will be useful,
Chris@909: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@909: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@909: # GNU General Public License for more details.
Chris@909: #
Chris@909: # You should have received a copy of the GNU General Public License
Chris@909: # along with this program; if not, write to the Free Software
Chris@909: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@909: 
Chris@909: class News < ActiveRecord::Base
Chris@909:   belongs_to :project
Chris@909:   belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
Chris@909:   has_many :comments, :as => :commented, :dependent => :delete_all, :order => "created_on"
Chris@909: 
Chris@909:   validates_presence_of :title, :description
Chris@909:   validates_length_of :title, :maximum => 60
Chris@909:   validates_length_of :summary, :maximum => 255
Chris@909: 
Chris@909:   acts_as_searchable :columns => ['title', 'summary', "#{table_name}.description"], :include => :project
Chris@909:   acts_as_event :url => Proc.new {|o| {:controller => 'news', :action => 'show', :id => o.id}}
Chris@909:   acts_as_activity_provider :find_options => {:include => [:project, :author]},
Chris@909:                             :author_key => :author_id
Chris@909:   acts_as_watchable
Chris@909: 
Chris@909:   after_create :add_author_as_watcher
Chris@909: 
Chris@909:   named_scope :visible, lambda {|*args| {
Chris@909:     :include => :project,
Chris@909:     :conditions => Project.allowed_to_condition(args.shift || User.current, :view_news, *args)
Chris@909:   }}
Chris@909: 
Chris@909:   def visible?(user=User.current)
Chris@909:     !user.nil? && user.allowed_to?(:view_news, project)
Chris@909:   end
Chris@909: 
Chris@909:   # returns latest news for projects visible by user
Chris@909:   def self.latest(user = User.current, count = 5)
Chris@909:     find(:all, :limit => count, :conditions => Project.allowed_to_condition(user, :view_news), :include => [ :author, :project ], :order => "#{News.table_name}.created_on DESC")	
Chris@909:   end
Chris@909: 
Chris@909:   private
Chris@909: 
Chris@909:   def add_author_as_watcher
Chris@909:     Watcher.create(:watchable => self, :user => author)
Chris@909:   end
Chris@909: end