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Contents
module NxtSupport
module DurationAttributeAccessor
extend ActiveSupport::Concern
class_methods do
def duration_attribute_accessor(*attrs)
duration_attribute_reader(*attrs)
duration_attribute_writer(*attrs)
end
def duration_attribute_reader(*attrs)
attrs.each do |attr_name|
define_duration_attribute_reader(attr_name)
end
end
def duration_attribute_writer(*attrs)
attrs.each do |attr_name|
define_duration_attribute_writer(attr_name)
end
end
private
def define_duration_attribute_reader(attr_name)
define_method(attr_name) do
duration_string = read_attribute(attr_name)
return if duration_string.nil?
ActiveSupport::Duration.parse(duration_string)
end
end
def define_duration_attribute_writer(attr_name)
define_method("#{attr_name}=") do |value|
case value
when ActiveSupport::Duration
write_attribute(attr_name, value.iso8601)
when String
if is_valid_iso8601_duration?(value)
write_attribute(attr_name, value)
else
raise ArgumentError, "'#{value}' is not a valid iso8601 string"
end
when NilClass
write_attribute(attr_name, value)
else
raise ArgumentError, 'Please provide an ActiveSupport::Duration object or an iso8601 formatted string'
end
end
end
end
def is_valid_iso8601_duration?(string)
ActiveSupport::Duration.parse(string)
true
rescue ActiveSupport::Duration::ISO8601Parser::ParsingError
false
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems