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module Krikri
##
# Enrich a specific field or list of fields, setting the property to the
# supplied value
module FieldEnrichment
include Enrichment
##
# The main enrichment method; runs the enrichment against a stated
# set of fields for a record.
#
# This is a narrower case of `Krikri::Enrichment` which runs the
# enrichment against each of the specified fields in turn, setting
# the field's value to the result.
#
# For example:
#
# delete_empty_string_literals.enrich(record,
# {:sourceResource => {:creator => :name}})
#
# To apply the enrichment across all fields, leave the fields parameter
# empty, or use `:all`:
#
# delete_empty_string_literals.enrich(record)
# delete_empty_string_literals.enrich(record, :all)
#
# @see Krikri::Enrichment#enrich for documentation about field
# formatting
#
# @param record [ActiveTriples::Resource] the record to enrich
# @param fields [Array] the fields on which to apply the enrichment
# @return [ActiveTriples::Resource] the enriched record
def enrich(record, *fields)
record = record.clone
return enrich_all(record) if fields.empty? || fields == [:all]
fields.each { |f| enrich_field(record, field_to_chain(f)) }
record
end
def enrich_field(record, field_chain)
field = field_chain.first
return record unless record.respond_to? field
values = record.send(field)
if field_chain.length == 1
new_values = values.map { |v| enrich_value(v) }.flatten.compact
record.send("#{field}=".to_sym, new_values)
else
resources(values).each { |v| enrich_field(v, field_chain[1..-1]) }
end
record
end
def enrich_all(record)
list_fields(record).each do |field|
enrich_field(record, field_to_chain(field))
end
record
end
end
end
Version data entries
21 entries across 21 versions & 2 rubygems