Class: RelatonBib::BibliographicDate

Inherits:
Object
  • Object
show all
Defined in:
lib/relaton_bib/bibliographic_date.rb

Overview

Bibliographic date.

Constant Summary collapse

TYPES = 
%w[published accessed created implemented obsoleted confirmed
           updated issued transmitted copied unchanged circulated
].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type:, on: nil, from: nil, to: nil) ⇒ BibliographicDate

Returns a new instance of BibliographicDate.

Raises:

  • (ArgumentError) 


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# File 'lib/relaton_bib/bibliographic_date.rb', line 27

def initialize(type:, on: nil, from: nil, to: nil)
  raise ArgumentError, "expected :on or :from argument" unless on || from

  TYPES.include?(type) or
    raise ArgumentError, %{Type "#{type}" is invalid.} unless

  @type = type
  @on   = parse_date on
  @from = parse_date from
  @to   = parse_date to
end

Instance Attribute Details

#from ⇒ Date (readonly) 



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# File 'lib/relaton_bib/bibliographic_date.rb', line 16

def from
  @from
end

#on ⇒ Date (readonly) 



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# File 'lib/relaton_bib/bibliographic_date.rb', line 22

def on
  @on
end

#to ⇒ Date (readonly) 



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# File 'lib/relaton_bib/bibliographic_date.rb', line 19

def to
  @to
end

#type ⇒ String (readonly) 



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# File 'lib/relaton_bib/bibliographic_date.rb', line 13

def type
  @type
end

Instance Method Details

#to_hash ⇒ Hash 



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# File 'lib/relaton_bib/bibliographic_date.rb', line 56

def to_hash
  hash = { type: type }
  hash[:value] = on.to_s if on
  hash[:from] = from.to_s if from
  hash[:to] = to.to_s if to
  hash
end

#to_xml(builder, **opts) ⇒ Nokogiri::XML::Builder 



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# File 'lib/relaton_bib/bibliographic_date.rb', line 43

def to_xml(builder, **opts)
  builder.date(type: type) do
    if on
      builder.on(opts[:no_year] ? "--" : date_format(on, opts[:date_format]))
    elsif from
      builder.from(opts[:no_year] ? "--" : date_format(from, opts[:date_format]))
      builder.to date_format(to, opts[:date_format]) if to
    end
  end
end