Module: NEU::MODS::Projection::RelatedItems

Includes:
Support
Included in:
NEU::MODS::Projection
Defined in:
lib/neu/mods/projection/related_items.rb

Overview

Top-level relatedItem elements: the series, the host and this work's part within it, and every other relationship with its type. See docs/other-fields.md.

Constant Summary collapse 

%w[series host].freeze
NAMED_HOST_DETAIL_TYPES =

Detail types with a named key on a host entry, which #host_details skips.

%w[volume issue].freeze

Constants included from Support

Support::AUTHORITY_ATTRIBUTES

Instance Method Summary collapse

Instance Method Details

#host_collections ⇒ Object

The host's title plus THIS work's part within it. Never copy the host's own metadata: it belongs to the other record and would go stale.



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# File 'lib/neu/mods/projection/related_items.rb', line 18

def host_collections
  doc.xpath("/mods:mods/mods:relatedItem[@type='host']", NAMESPACE).filter_map do |node|
    entry = { title: child_text(node, "mods:titleInfo/mods:title"), **host_part(node) }
    entry.merge(qualifiers_of(node)) if entry.values.any?
  end
end

#related_items ⇒ Object

Every other relatedItem with a title, keeping its @type (nil if untyped).



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# File 'lib/neu/mods/projection/related_items.rb', line 32

def related_items
  doc.xpath("/mods:mods/mods:relatedItem", NAMESPACE).filter_map do |node|
    type = clean(node["type"])
    next if NAMED_RELATED_ITEM_TYPES.include?(type)

    title = clean(node.at_xpath("mods:titleInfo/mods:title", NAMESPACE)&.text)
    { type: type, title: title, **qualifiers_of(node) } if title
  end
end

#related_series ⇒ Object 



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# File 'lib/neu/mods/projection/related_items.rb', line 14

def related_series = related_item_titles("series")