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Contents
require 'vedeu/support/common'
module Vedeu
# Provides means to convert attributes into the correct model.
#
module Coercions
include Vedeu::Common
# Produces new objects of the correct class from the value, ignores objects
# that have already been coerced.
#
# @param value [Object|NilClass]
# @return [Object]
def coerce(value)
if value.nil?
new
elsif value.is_a?(self)
value
else
new(value)
end
end
# Produces new objects of the correct class from attributes hashes,
# ignores objects that have already been coerced.
#
# @param values [Array|Hash]
# @return [Array]
def coercer(values)
return [] unless defined_value?(values)
[values].flatten.map do |value|
if value.is_a?(self)
value
else
new(value)
end
end
end
# Whenever this module {Vedeu::Coercions} is included in another class or
# module, make its methods into class methods, so they may be called
# directly.
#
# @param receiver [Class] The class in which this module is included.
# @return [void]
def self.included(receiver)
receiver.extend(self)
end
end # Coercions
end # Vedeu
Version data entries
10 entries across 10 versions & 1 rubygems