Class: LcpRuby::ModelFactory::ComputedApplicator

Inherits:
Object
  • Object
show all
Defined in:
lib/lcp_ruby/model_factory/computed_applicator.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model_class, model_definition) ⇒ ComputedApplicator

Returns a new instance of ComputedApplicator.



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# File 'lib/lcp_ruby/model_factory/computed_applicator.rb', line 4

def initialize(model_class, model_definition)
  @model_class = model_class
  @model_definition = model_definition
end

Class Method Details

.compute(record, config) ⇒ Object 



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# File 'lib/lcp_ruby/model_factory/computed_applicator.rb', line 21

def self.compute(record, config)
  case config
  when String
    # Template interpolation: "{first_name} {last_name}"
    config.gsub(/\{(\w+)\}/) { record.send(Regexp.last_match(1)).to_s }
  when Hash
    service_key = config["service"] || config[:service]
    return unless service_key

    service = Services::Registry.lookup("computed", service_key.to_s)
    unless service
      Rails.logger.warn("[LcpRuby] Computed service '#{service_key}' not found") if defined?(Rails)
      return
    end

    service.call(record)
  end
end

Instance Method Details

#apply! ⇒ Object 



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# File 'lib/lcp_ruby/model_factory/computed_applicator.rb', line 9

def apply!
  computed_fields = collect_computed_fields
  return if computed_fields.empty?

  @model_class.before_save do |record|
    computed_fields.each do |field_name, config|
      value = ComputedApplicator.compute(record, config)
      record.send("#{field_name}=", value)
    end
  end
end