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module ActiveRecord
module Associations
class SingularAssociation < Association #:nodoc:
def create(attributes = {})
new_record(:create, attributes)
end
def create!(attributes = {})
build(attributes).tap { |record| record.save! }
end
def build(attributes = {})
new_record(:build, attributes)
end
private
def find_target
scoped.first.tap { |record| set_inverse_instance(record) }
end
# Implemented by subclasses
def replace(record)
raise NotImplementedError
end
def set_new_record(record)
replace(record)
end
def new_record(method, attributes)
attributes = scoped.scope_for_create.merge(attributes || {})
record = reflection.send("#{method}_association", attributes)
set_new_record(record)
record
end
end
end
end
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