Sha256: 24103ebabfdc7e1844b29e3d9390bee6dba928edb52c8656e5fe1934b437eba3
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Size: 1.59 KB
Versions: 10
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Stored size: 1.59 KB
Contents
# frozen_string_literal: true
class ActiveSet
class AttributeInstruction
attr_accessor :processed
attr_reader :keypath, :value
def initialize(keypath, value)
# `keypath` can be an Array (e.g. [:parent, :child, :grandchild, :attribute])
# or a String (e.g. 'parent.child.grandchild.attribute')
@keypath = Array(keypath).map(&:to_s).flat_map { |x| x.split('.') }
@value = value
@processed = false
end
def processed?
@processed
end
def attribute
attribute = @keypath.last
return attribute.sub(operator_regex, '') if attribute&.match operator_regex
attribute
end
def operator(default: '==')
attribute = @keypath.last
return attribute[operator_regex, 1] if attribute&.match operator_regex
default
end
def associations_array
return [] unless @keypath.any?
@keypath.slice(0, @keypath.length - 1)
end
def associations_hash
return {} unless @keypath.any?
associations_array.reverse.reduce({}) do |hash, association|
{ association => hash }
end
end
def value_for(item:)
resource_for(item: item).public_send(attribute)
rescue StandardError
# :nocov:
nil
# :nocov:
end
def resource_for(item:)
associations_array.reduce(item) do |resource, association|
return nil unless resource.respond_to? association
resource.public_send(association)
end
rescue StandardError
# :nocov:
nil
# :nocov:
end
private
def operator_regex
/\((.*?)\)/
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems