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74 lines
2.1 KiB
74 lines
2.1 KiB
# Redmine - project management software
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# Copyright (C) 2006-2013 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 Watcher < ActiveRecord::Base
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belongs_to :watchable, :polymorphic => true
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belongs_to :user
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#Added by nie
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has_one :project_status
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has_one :users_status
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#end
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validates_presence_of :user
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validates_uniqueness_of :user_id, :scope => [:watchable_type, :watchable_id]
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validate :validate_user
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scope :visible, lambda {|*args|
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nil
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}
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# Unwatch things that users are no longer allowed to view
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def self.prune(options={})
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if options.has_key?(:user)
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prune_single_user(options[:user], options)
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else
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pruned = 0
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User.where("id IN (SELECT DISTINCT user_id FROM #{table_name})").all.each do |user|
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pruned += prune_single_user(user, options)
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end
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pruned
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end
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end
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protected
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def validate_user
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errors.add :user_id, :invalid unless user.nil? || user.active?
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end
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private
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def self.prune_single_user(user, options={})
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return unless user.is_a?(User)
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pruned = 0
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where(:user_id => user.id).all.each do |watcher|
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next if watcher.watchable.nil?
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if options.has_key?(:project)
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next unless watcher.watchable.respond_to?(:project) && watcher.watchable.project == options[:project]
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end
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if watcher.watchable.respond_to?(:visible?)
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unless watcher.watchable.visible?(user)
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watcher.destroy
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pruned += 1
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end
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end
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end
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pruned
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end
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end
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