Method: Castkit::Ext::DataObject::Contract#from_contract

Defined in:

lib/castkit/ext/data_object/contract.rb

#from_contract(contract) ⇒ Class<Castkit::DataObject>

Constructs a new Castkit::DataObject class from a given contract.

This method is the inverse of ‘.to_contract` and provides a way to generate a DataObject from an existing contract definition.

Examples:

UserContract = Castkit::Contract.build(:user) do
  string :id
  string :email
end

UserDto = Castkit::DataObject.from_contract(UserContract)
dto = UserDto.new(id: "abc", email: "a@example.com")

Parameters:

• contract (Class<Castkit::Contract::Generic>) —

  the contract to convert

Returns:

• (Class<Castkit::DataObject>) —

  a new anonymous DataObject class

# File 'lib/castkit/ext/data_object/contract.rb', line 69

def from_contract(contract)
  Class.new(Castkit::DataObject).tap do |klass|
    contract.attributes.each_value do |attr|
      klass.attribute(attr.field, attr.type, **attr.options)
    end
  end
end