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Size: 927 Bytes
Versions: 11
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Stored size: 927 Bytes
Contents
# frozen_string_literal: true
module Realize
class Filter
# This transformer can take an array or a hash (put in array) and it understands how to
# select only the records where a key's value statically equates to the transformer's
# value.
class ByKeyValue
include Arrays
acts_as_hashable
attr_reader :key, :value
# value is also passed into #transform so we need to alias it so its not shadowed by
# the argument.
alias desired_value value
def initialize(key:, value:)
raise ArgumentError, 'key is required' if key.to_s.empty?
@key = key
@value = value
freeze
end
def transform(resolver, value, _time, _record)
records = array(value)
records.select do |record|
record_value = resolver.get(record, key)
record_value == desired_value
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems