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Size: 1.93 KB
Versions: 9
Compression:
Stored size: 1.93 KB
Contents
class Identifier < ActiveRecord::Base
#attr_accessible :body, :identifier_type_id, :manifestation_id, :primary, :position
belongs_to :identifier_type
belongs_to :manifestation, touch: true
validates_presence_of :body
validates_uniqueness_of :body, scope: [:identifier_type_id, :manifestation_id]
validate :check_identifier
before_validation :normalize
before_save :convert_isbn
scope :id_type, -> type {
where(identifier_type: IdentifierType.where(name: type).first)
}
acts_as_list scope: :manifestation_id
normalize_attributes :body
def check_identifier
case identifier_type.try(:name)
when 'isbn'
unless StdNum::ISBN.valid?(body)
errors.add(:body)
end
when 'issn'
unless StdNum::ISSN.valid?(body)
errors.add(:body)
end
when 'lccn'
unless StdNum::LCCN.valid?(body)
errors.add(:body)
end
when 'doi'
if URI.parse(body).scheme
errors.add(:body)
end
end
end
def convert_isbn
if identifier_type.name == 'isbn'
lisbn = Lisbn.new(body)
if lisbn.isbn
if lisbn.isbn.length == 10
self.body = lisbn.isbn13
end
end
end
end
def hyphenated_isbn
if identifier_type.name == 'isbn'
lisbn = Lisbn.new(body)
lisbn.parts.join('-')
end
end
def normalize
case identifier_type.try(:name)
when 'isbn'
self.body = StdNum::ISBN.normalize(body)
when 'issn'
self.body = StdNum::ISSN.normalize(body)
when 'lccn'
self.body = StdNum::LCCN.normalize(body)
end
end
end
# == Schema Information
#
# Table name: identifiers
#
# id :integer not null, primary key
# body :string(255) not null
# identifier_type_id :integer not null
# manifestation_id :integer
# primary :boolean
# position :integer
# created_at :datetime
# updated_at :datetime
#
Version data entries
9 entries across 9 versions & 1 rubygems