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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
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6 entries across 6 versions & 1 rubygems