Sha256: aeb2ae6b2b932e27cce7bcae75b4c6d98a99e294a740698b00f39370e4735d7a
Contents?: true
Size: 1.95 KB
Versions: 42
Compression:
Stored size: 1.95 KB
Contents
# 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
Version data entries
42 entries across 42 versions & 7 rubygems