Doesn't work in Rails 4.2: LoadError: cannot load such file -- active_support/duration/iso8601_serializer #2
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Monkey patches to make the gem work in Rails 4.2:
require_relative 'config/lib/rails5_iso8601_serializer.rb'
require 'active_support/duration'
class ActiveSupport::Duration
# Copied from https://github.com/rails/rails/blob/dcd36ffe1acf922429bf185206749693c5df5f8f/activesupport/lib/active_support/duration.rb#L108
SECONDS_PER_MINUTE = 60
SECONDS_PER_HOUR = 3600
SECONDS_PER_DAY = 86400
SECONDS_PER_WEEK = 604800
SECONDS_PER_MONTH = 2629746 # 1/12 of a gregorian year
SECONDS_PER_YEAR = 31556952 # length of a gregorian year (365.2425 days)
PARTS_IN_SECONDS = {
seconds: 1,
minutes: SECONDS_PER_MINUTE,
hours: SECONDS_PER_HOUR,
days: SECONDS_PER_DAY,
weeks: SECONDS_PER_WEEK,
months: SECONDS_PER_MONTH,
years: SECONDS_PER_YEAR
}.freeze
PARTS = [:years, :months, :weeks, :days, :hours, :minutes, :seconds].freeze
# Copied from https://github.com/rails/rails/blob/dcd36ffe1acf922429bf185206749693c5df5f8f/activesupport/lib/active_support/duration.rb#L183
def self.build(value)
unless value.is_a?(::Numeric)
raise TypeError, "can't build an #{self.name} from a #{value.class.name}"
end
parts = {}
remainder = value.round(9)
PARTS.each do |part|
unless part == :seconds
part_in_seconds = PARTS_IN_SECONDS[part]
parts[part] = remainder.div(part_in_seconds)
remainder %= part_in_seconds
end
end unless value == 0
parts[:seconds] = remainder
new(value, parts)
end
end
# Pretend active_support/duration/iso8601_serializer.rb is loaded
$LOADED_FEATURES << 'active_support/duration/iso8601_serializer.rb'
# Copied from: https://github.com/rails/rails/blob/726f86358d5c2bdf4317b9f8f08b30a45fd326a2/activesupport/lib/active_support/duration/iso8601_serializer.rb
# frozen_string_literal: true
require "active_support/core_ext/object/blank"
module ActiveSupport
class Duration
# Serializes duration to string according to ISO 8601 Duration format.
class ISO8601Serializer # :nodoc:
DATE_COMPONENTS = %i(years months days)
def initialize(duration, precision: nil)
@duration = duration
@precision = precision
end
# Builds and returns output string.
def serialize
parts = normalize
return "PT0S" if parts.empty?
output = +"P"
output << "#{parts[:years]}Y" if parts.key?(:years)
output << "#{parts[:months]}M" if parts.key?(:months)
output << "#{parts[:days]}D" if parts.key?(:days)
output << "#{parts[:weeks]}W" if parts.key?(:weeks)
time = +""
time << "#{parts[:hours]}H" if parts.key?(:hours)
time << "#{parts[:minutes]}M" if parts.key?(:minutes)
if parts.key?(:seconds)
time << "#{sprintf(@precision ? "%0.0#{@precision}f" : '%g', parts[:seconds])}S"
end
output << "T#{time}" unless time.empty?
output
end
private
# Return pair of duration's parts and whole duration sign.
# Parts are summarized (as they can become repetitive due to addition, etc).
# Zero parts are removed as not significant.
# If all parts are negative it will negate all of them and return minus as a sign.
def normalize
parts = @duration.parts.each_with_object(Hash.new(0)) do |(k, v), p|
p[k] += v unless v.zero?
end
# Convert weeks to days and remove weeks if mixed with date parts
if week_mixed_with_date?(parts)
parts[:days] += parts.delete(:weeks) * SECONDS_PER_WEEK / SECONDS_PER_DAY
end
parts
end
def week_mixed_with_date?(parts)
parts.key?(:weeks) && (parts.keys & DATE_COMPONENTS).any?
end
end
end
end |
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Fails during bundling phase:
As per https://apidock.com/rails/ActiveSupport/Duration/ISO8601Serializer, this class was introduced in Rails 5. The gemspec itself depends on Rails >= 4.2.
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