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# Redmine - project management software
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# Copyright (C) 2006-2012 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class News < ActiveRecord::Base
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include Redmine::SafeAttributes
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belongs_to :project
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belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
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has_many :comments, :as => :commented, :dependent => :delete_all, :order => "created_on"
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validates_presence_of :title, :description
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validates_length_of :title, :maximum => 60
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validates_length_of :summary, :maximum => 255
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acts_as_attachable :delete_permission => :manage_news
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acts_as_searchable :columns => ['title', 'summary', "#{table_name}.description"], :include => :project
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acts_as_event :url => Proc.new {|o| {:controller => 'news', :action => 'show', :id => o.id}}
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acts_as_activity_provider :find_options => {:include => [:project, :author]},
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:author_key => :author_id
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acts_as_watchable
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after_create :add_author_as_watcher
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scope :visible, lambda {|*args|
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includes(:project).where(Project.allowed_to_condition(args.shift || User.current, :view_news, *args))
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}
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safe_attributes 'title', 'summary', 'description'
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def visible?(user=User.current)
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!user.nil? && user.allowed_to?(:view_news, project)
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end
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# Returns true if the news can be commented by user
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def commentable?(user=User.current)
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user.allowed_to?(:comment_news, project)
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end
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# returns latest news for projects visible by user
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def self.latest(user = User.current, count = 5)
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visible(user).includes([:author, :project]).order("#{News.table_name}.created_on DESC").limit(count).all
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end
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private
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def add_author_as_watcher
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Watcher.create(:watchable => self, :user => author)
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end
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end
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