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Contents
module Vedeu
module Repositories
# Some classes expect a certain set of attributes when
# initialized, this module uses the #defaults method of the class
# to provide missing attribute keys (and values).
#
# @api private
#
module Defaults
# Returns a new instance of the class including this module.
#
# @note
# If a particular key is missing from the attributes
# parameter, then it is added with the respective value from
# #defaults.
#
# @param attributes [Hash]
# @return [void] A new instance of the class including this
# module.
def initialize(attributes = {})
attrs = attributes.to_h.keep_if { |key, _| defaults.key?(key) }
defaults.merge!(attrs).each do |key, value|
instance_variable_set("@#{key}", value || defaults.fetch(key))
end
end
private
# @return [Hash<void>]
def defaults
{}
end
end # Defaults
end # Repositories
end # Vedeu
Version data entries
5 entries across 5 versions & 1 rubygems