Class: Relaton::Bibcollection

Inherits:
Object
  • Object
show all
Defined in:
lib/relaton/bibcollection.rb

Constant Summary collapse

ATTRIBS = 
i[
  title
  items
  doctype
  author
]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Bibcollection

Returns a new instance of Bibcollection.



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# File 'lib/relaton/bibcollection.rb', line 20

def initialize(options)
  self.items = []
  ATTRIBS.each do |k|
    value = options[k] || options[k.to_s]
    self.send("#{k}=", value)
  end
  self.items = (self.items || []).inject([]) do |acc,item|
    acc << if item.is_a?(::Relaton::Bibcollection) ||
      item.is_a?(::Relaton::Bibdata)
      item
    else
      new_bib_item_class(item)
    end
  end
  self
end

Class Method Details

.from_xml(source) ⇒ Object 



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# File 'lib/relaton/bibcollection.rb', line 42

def self.from_xml(source)
  title = source&.at(ns("./relaton-collection/title"))&.text
  author = source&.at(ns("./relaton-collection/contributor[role/@type = 'author']/organization/name"))&.text
  items = source&.xpath(ns("./relaton-collection/relation"))&.map do |item|
    klass = item.at(ns("./bibdata")) ? Bibdata : Bibcollection
    klass.from_xml(item.at(ns("./bibdata")) || item)
  end
  opts = { title: title, author: author, items: items }
  new(opts)
end

.ns(xpath) ⇒ Object 



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# File 'lib/relaton/bibcollection.rb', line 13

def self.ns(xpath)
  xpath.gsub(%r{/([a-zA-z])}, "/xmlns:\\1").
    gsub(%r{::([a-zA-z])}, "::xmlns:\\1").
    gsub(%r{\[([a-zA-z][a-z0-9A-Z@/]* ?=)}, "[xmlns:\\1").
    gsub(%r{\[([a-zA-z][a-z0-9A-Z@/]*\])}, "[xmlns:\\1")
end

Instance Method Details

#doc_number ⇒ Object

arbitrary number, must sort after all bib items



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# File 'lib/relaton/bibcollection.rb', line 38

def doc_number
  9999999
end

#items_flattened ⇒ Object 



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# File 'lib/relaton/bibcollection.rb', line 61

def items_flattened
  items.sort_by! do |b|
    b.doc_number
  end

  items.inject([]) do |acc,item|
    if item.is_a? ::Relaton::Bibcollection
      acc << item.items_flattened
    else
      acc << item
    end
  end
end

#new_bib_item_class(options) ⇒ Object 



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# File 'lib/relaton/bibcollection.rb', line 53

def new_bib_item_class(options)
  if options["items"]
    ::Relaton::Bibcollection.new(options)
  else
    ::Relaton::Bibdata.new(options)
  end
end

#to_h ⇒ Object 



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# File 'lib/relaton/bibcollection.rb', line 105

def to_h
  items.sort_by! do |b|
    b.doc_number
  end

  a = ATTRIBS.inject({}) do |acc, k|
    acc[k.to_s] = send(k)
    acc
  end

  a["items"] = a["items"].map(&:to_h)

  { "root" => a }
end

#to_xml ⇒ Object 



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# File 'lib/relaton/bibcollection.rb', line 75

def to_xml
  items.sort_by! do |b|
    b.doc_number
  end

  collection_type = if doctype
    "type=\"#{doctype}\""
  else
    'xmlns="https://open.ribose.com/relaton-xml"'
  end

  ret = "<relaton-collection #{collection_type}>"
  ret += "<title>#{title}</title>" if title
  if author
    ret += "<contributor><role type='author'/><organization><name>#{author}</name></organization></contributor>"
  end
  unless items.empty?
    items.each do |item|
      ret += "<relation type='partOf'>"
      ret += item.to_xml
      ret += "</relation>\n"
    end
  end
  ret += "</relaton-collection>\n"
end

#to_yaml ⇒ Object 



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# File 'lib/relaton/bibcollection.rb', line 101

def to_yaml
  to_h.to_yaml
end