|
|
# Redmine - project management software
|
|
|
# Copyright (C) 2006-2011 Jean-Philippe Lang
|
|
|
#
|
|
|
# This program is free software; you can redistribute it and/or
|
|
|
# modify it under the terms of the GNU General Public License
|
|
|
# as published by the Free Software Foundation; either version 2
|
|
|
# of the License, or (at your option) any later version.
|
|
|
#
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
# GNU General Public License for more details.
|
|
|
#
|
|
|
# You should have received a copy of the GNU General Public License
|
|
|
# along with this program; if not, write to the Free Software
|
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
|
|
class Watcher < ActiveRecord::Base
|
|
|
belongs_to :watchable, :polymorphic => true
|
|
|
belongs_to :user
|
|
|
|
|
|
validates_presence_of :user
|
|
|
validates_uniqueness_of :user_id, :scope => [:watchable_type, :watchable_id]
|
|
|
validate :validate_user
|
|
|
|
|
|
# Unwatch things that users are no longer allowed to view
|
|
|
def self.prune(options={})
|
|
|
if options.has_key?(:user)
|
|
|
prune_single_user(options[:user], options)
|
|
|
else
|
|
|
pruned = 0
|
|
|
User.find(:all, :conditions => "id IN (SELECT DISTINCT user_id FROM #{table_name})").each do |user|
|
|
|
pruned += prune_single_user(user, options)
|
|
|
end
|
|
|
pruned
|
|
|
end
|
|
|
end
|
|
|
|
|
|
protected
|
|
|
|
|
|
def validate_user
|
|
|
errors.add :user_id, :invalid unless user.nil? || user.active?
|
|
|
end
|
|
|
|
|
|
private
|
|
|
|
|
|
def self.prune_single_user(user, options={})
|
|
|
return unless user.is_a?(User)
|
|
|
pruned = 0
|
|
|
find(:all, :conditions => {:user_id => user.id}).each do |watcher|
|
|
|
next if watcher.watchable.nil?
|
|
|
|
|
|
if options.has_key?(:project)
|
|
|
next unless watcher.watchable.respond_to?(:project) && watcher.watchable.project == options[:project]
|
|
|
end
|
|
|
|
|
|
if watcher.watchable.respond_to?(:visible?)
|
|
|
unless watcher.watchable.visible?(user)
|
|
|
watcher.destroy
|
|
|
pruned += 1
|
|
|
end
|
|
|
end
|
|
|
end
|
|
|
pruned
|
|
|
end
|
|
|
end
|
|
|
|
