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Contents
module Eco
module API
module Common
module People
# Class to define a parser/serializer.
class PersonAttributeParser < Eco::Language::Models::ParserSerializer
# @see Eco::Language::Models::ParserSerializer#def_parser
# @note
# - additionally, you can declare a callback `active:` to determine if when the
# parser will be active/used.
# - this is important to help avoiding to set values that are not present in the input entry.
# - if you have doubts about using it or not, do not use it.
# @param active_when [Proc] that expects a list of internal attributes or the internal entry itself
# By default, an attribute paraser is active if in the entry to parse the internal attribute is present.
def def_parser(active_when: nil, &block)
@active_when = attribute_present(active_when)
super(&block)
end
# Determines if for a given source data to parse, this parser should be active or not
# @return [Boolean] `true` if there's no callback defined or there is and evaluates `true`
# when for the current data to parse. It returns `false` otherwise.
def parser_active?(source_data)
@active_when.call(source_data)
end
private
# by default, an attribute paraser is active if in the entry to parse
# the internal attribute is present
def attribute_present(active_when)
Proc.new do |source_data|
case source_data
when Array
keys = source_data
when Hash
keys = source_data.keys
else
keys = []
end
(source_data && keys.include?(self.attr)) ||
(active_when && active_when.call(source_data))
end
end
end
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems