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

Inherits:
Object
  • Object
show all
Defined in:
lib/metanorma/cleanup/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/cleanup/merge_bibitems.rb', line 35

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/cleanup/merge_bibitems.rb', line 121

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/cleanup/merge_bibitems.rb', line 40

def load_bibitem(item)
  xml = Nokogiri::XML(item)
  klass = xml.root&.name == "bibdata" ? Relaton::Bib::Bibdata : Relaton::Bib::Bibitem
  bib = klass.from_xml(item)
  YAML.safe_load(bib.to_yaml,
                 permitted_classes: [Date, Symbol],
                 symbolize_names: true)
end

#merge ⇒ Object 



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# File 'lib/metanorma/cleanup/merge_bibitems.rb', line 54

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

#merge1(old, new) ⇒ Object 



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# File 'lib/metanorma/cleanup/merge_bibitems.rb', line 60

def merge1(old, new)
  %i(uri docidentifier date title series note).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/cleanup/merge_bibitems.rb', line 104

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/cleanup/merge_bibitems.rb', line 112

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/cleanup/merge_bibitems.rb', line 94

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/cleanup/merge_bibitems.rb', line 78

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,
                      [:locality, 0, :type]) or return
  ret = ret.each_with_object([{ locality: [] }]) do |r, m|
    m[0][:locality] += r[:locality]
  end
  old[:extent] ||= []
  old[:extent][0] ||= {}
  old[:extent][0][:locality_stack] = ret
end

#merge_relations(old, new) ⇒ Object 



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# File 'lib/metanorma/cleanup/merge_bibitems.rb', line 98

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/cleanup/merge_bibitems.rb', line 72

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/cleanup/merge_bibitems.rb', line 49

def to_noko
  yaml_str = deep_stringify_keys(@old).to_yaml
  Nokogiri::XML(Relaton::Bib::Item.from_yaml(yaml_str).to_xml(bibdata: true)).root
end