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impress/app/models/closet_list.rb

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class ClosetList < ActiveRecord::Base
belongs_to :user
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has_many :hangers, :class_name => 'ClosetHanger', :foreign_key => 'list_id',
:dependent => :nullify
attr_accessible :description, :hangers_owned, :name, :visibility
validates :name, :presence => true, :uniqueness => {:scope => :user_id}
validates :user, :presence => true
validates :hangers_owned, :inclusion => {:in => [true, false], :message => "can't be blank"}
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scope :alphabetical, order(:name)
scope :visible_to, lambda { |user|
condition = arel_table[:visibility].gteq(ClosetVisibility[:public].id)
condition = condition.or(arel_table[:user_id].eq(user.id)) if user
where(condition)
}
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after_save :sync_hangers_owned!
def sync_hangers_owned!
if hangers_owned_changed?
hangers.each do |hanger|
hanger.owned = hangers_owned
hanger.save!
end
end
end
end