Class: LedgerSync::Serialization::DeserializerAttribute

Inherits:
Attribute
  • Object
show all
Defined in:
lib/ledger_sync/serialization/deserializer_attribute.rb

Instance Attribute Summary

Attributes inherited from Attribute

#block, #hash_attribute, #if_method, #resource_attribute, #resource_class, #type

Instance Method Summary collapse

Methods inherited from Attribute

#block_value_for, #hash_attribute_dot_parts, #reference?, #resource_attribute_dot_parts

Constructor Details

#initialize(args = {}) ⇒ DeserializerAttribute 



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# File 'lib/ledger_sync/serialization/deserializer_attribute.rb', line 8

def initialize(args = {})
  super

  raise 'Missing resource_attribute' if resource_attribute.blank?

  if block.present?
    raise 'block and hash_attribute cannot both be present' if hash_attribute.present?
  else
    @hash_attribute ||= resource_attribute
  end
end

Instance Method Details

#references_many? ⇒ Boolean 



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# File 'lib/ledger_sync/serialization/deserializer_attribute.rb', line 20

def references_many?
  type.is_a?(Type::DeserializerReferencesManyType)
end

#references_one? ⇒ Boolean 



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# File 'lib/ledger_sync/serialization/deserializer_attribute.rb', line 24

def references_one?
  type.is_a?(Type::DeserializerReferencesOneType)
end

#value_from_hash(hash:, resource:) ⇒ Object 



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# File 'lib/ledger_sync/serialization/deserializer_attribute.rb', line 28

def value_from_hash(hash:, resource:)
  return block_value_for(hash: hash) if block.present?

  value = hash.dig(*hash_attribute.split('.'))

  if type.is_a?(Type::DeserializerType)
    type.cast(deserializer_attribute: self, resource: resource, value: value)
  else
    value = type.cast(value: value)
    return value if resource_attribute_dot_parts.count <= 1

    nested_resource = resource.send(resource_attribute_dot_parts.first)
    nested_resource ||= resource_attribute_class(resource: resource).new

    build_resource_value_from_nested_attributes(
      nested_resource,
      value,
      resource_attribute_dot_parts[1..-1]
    )
  end
end