Class: Metanorma::Standoc::Cleanup::MergeBibitems

Inherits:
Object
  • Object
show all
Defined in:
lib/metanorma/standoc/merge_bibitems.rb

Instance Method Summary collapse

Constructor Details

#initialize(old, new) ⇒ MergeBibitems

Returns a new instance of MergeBibitems.



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 16

def initialize(old, new)
  @old = load_bibitem(old)
  @new = load_bibitem(new)
end

Instance Method Details

#array_to_hash(array, attributes) ⇒ Object 



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 96

def array_to_hash(array, attributes)
  array.each_with_object({}) do |k, m|
    m[k.dig(*Array(attributes))] ||= []
    m[k.dig(*Array(attributes))] << k
  end
end

#load_bibitem(item) ⇒ Object 



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 21

def load_bibitem(item)
  ret = RelatonBib::XMLParser.from_xml(item)
  ret.to_hash.symbolize_all_keys
end

#merge ⇒ Object 



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 31

def merge
  @old.delete(:formattedref)
  merge1(@old, @new)
  self
end

#merge1(old, new) ⇒ Object 



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 37

def merge1(old, new)
  %i(link docid date title series biblionote).each do |k|
    merge_by_type(old, new, k, :type)
  end
  merge_extent(old, new)
  merge_contributor(old, new)
  %i(place version edition).each do |k|
    merge_simple(old, new, k)
  end
  merge_relations(old, new)
end

#merge_by_type(old, new, field, attributes, opt = {}) ⇒ Object

where @old.field = @new.field



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 79

def merge_by_type(old, new, field, attributes, opt = {})
  new.nil? || new[field].nil? || new[field].empty? and return
  old.nil? and return new[field]
  !old[field].is_a?(::Array) || old[field].empty? and
    return old[field] = new[field]
  old[field] = merge_by_type1(old, new, field, attributes, opt)
end

#merge_by_type1(old, new, field, attributes, opt) ⇒ Object 



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 87

def merge_by_type1(old, new, field, attributes, opt)
  old1 = array_to_hash(old[field], attributes)
  new1 = array_to_hash(new[field], attributes)
  out = opt[:recurse] ? old1.deep_merge(new1) : old1.merge(new1)
  out.each_value.with_object([]) do |v, m|
    v.each { |v1| m << v1 }
  end
end

#merge_contributor(old, new) ⇒ Object 



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 69

def merge_contributor(old, new)
  merge_by_type(old, new, :contributor, [:role, 0, :type])
end

#merge_extent(old, new) ⇒ Object

ensure return value goes into extent



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 55

def merge_extent(old, new)
  old.dig(:extent, 0, :locality) and
    old[:extent] = [{ locality_stack: old[:extent] }]
  new.dig(:extent, 0, :locality) and
    new[:extent] = [{ locality_stack: new[:extent] }]
  ret = merge_by_type(old.dig(:extent, 0),
                      new.dig(:extent, 0), :locality_stack,
                      %i[locality type])
  (ret && !old.dig(:extent, 0)) or return
  old[:extent] ||= []
  old[:extent][0] ||= {}
  old[:extent][0][:locality_stack] = ret
end

#merge_relations(old, new) ⇒ Object 



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 73

def merge_relations(old, new)
  merge_by_type(old, new, :relation, :type, recurse: true)
end

#merge_simple(old, new, field) ⇒ Object 



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 49

def merge_simple(old, new, field)
  (new[field].nil? || new[field].empty?) and return
  old[field] = new[field]
end

#to_noko ⇒ Object 



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# File 'lib/metanorma/standoc/merge_bibitems.rb', line 26

def to_noko
  out = RelatonBib::HashConverter.hash_to_bib(@old)
  Nokogiri::XML(RelatonBib::BibliographicItem.new(**out).to_xml).root
end