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# frozen_string_literal: true
module Realize
class Format
# Formats a date/time value. If the input is nil, it will output nil. If an input_format
# is configured then it will use that to explicitly parse it. If an input_format is not
# specified then it will use Ruby's DateTime#parse heuristics for parsing. By default,
# the output format is ISO-8601 standard (YYYY-MM-DD). It is also possible to have
# this output formatted time as well, but since it is named 'format_date', it is assumed
# you want something date-only.
#
# See this link for more information about Ruby's DateTime parsing and formatting
# details and also for valid format tokens:
# https://ruby-doc.org/stdlib-2.6.6/libdoc/date/rdoc/DateTime.html#method-i-strftime
class Date
acts_as_hashable
OUTPUT_FORMAT = '%F'
attr_reader :input_format, :output_format
def initialize(input_format: '', output_format: OUTPUT_FORMAT)
@input_format = input_format.to_s
@output_format = output_format.to_s
freeze
end
def transform(_resolver, value, _time, _record)
return nil if value.to_s.empty?
date_time =
if value.respond_to?(:to_datetime)
value.to_datetime
elsif input_format?
DateTime.strptime(value, input_format)
else
DateTime.parse(value)
end
date_time.strftime(output_format)
end
private
def input_format?
input_format.length.positive?
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems