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Contents
module Curate
class DateFormatter
def self.parse(date_string)
date_string = date_string.strip
return nil if unparseable_date?(date_string)
if is_a_year?(date_string)
Date.new(date_string.to_i)
else
date = Chronic.parse(date_string)
date.to_date if date
end
end
private
# Some date inputs can't be used to create a
# searchable/sortable date in solr.
# For example: "3rd century BCE"
def self.unparseable_date?(input_string)
fuzzy_date_terms = ['bce', 'century']
fuzzy_date_terms.any? do |term|
regex = Regexp.new(term, Regexp::IGNORECASE)
input_string.match(regex)
end
end
def self.is_a_year?(input_string)
four_digit_year = %r{^\d{4}\z}
!input_string.match(four_digit_year).nil?
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems