Module: Legion::Extensions::Builder::Absorbers

Includes:
Base
Included in:
Core
Defined in:
lib/legion/extensions/builders/absorbers.rb

Instance Method Summary collapse

Methods included from Base

#const_defined_two?, #define_constant_two, #define_get, #find_files, #require_files

Instance Method Details

#absorbers ⇒ Object 



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# File 'lib/legion/extensions/builders/absorbers.rb', line 60

def absorbers
  @absorbers || {}
end

#build_absorbers ⇒ Object 



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# File 'lib/legion/extensions/builders/absorbers.rb', line 11

def build_absorbers
  @absorbers = {}
  absorber_files = find_files('absorbers')
  return if absorber_files.empty?

  require_files(absorber_files)

  absorber_files.each do |file|
    snake_name  = file.split('/').last.sub('.rb', '')
    class_name  = snake_name.split('_').collect(&:capitalize).join
    absorber_class = "#{lex_class}::Absorbers::#{class_name}"

    next unless Kernel.const_defined?(absorber_class)

    klass = Kernel.const_get(absorber_class)
    next unless klass < Legion::Extensions::Absorbers::Base

    @absorbers[snake_name.to_sym] = {
      extension:       lex_name,
      extension_class: lex_class,
      absorber_name:   snake_name,
      absorber_class:  absorber_class,
      absorber_module: klass,
      patterns:        klass.patterns,
      description:     klass.description
    }

    Legion::Extensions::Absorbers::PatternMatcher.register(klass)

    next unless defined?(Legion::API) && Legion::API.respond_to?(:router)

    absorber_methods = klass.public_instance_methods(false).reject { |m| m.to_s.start_with?('_') }
    absorber_methods = [:absorb] if absorber_methods.empty?
    absorber_methods.each do |method_name|
      Legion::API.router.register_extension_route(
        lex_name:       lex_name,
        amqp_prefix:    respond_to?(:amqp_prefix) ? amqp_prefix : "lex.#{lex_name}",
        component_type: 'absorbers',
        component_name: snake_name,
        method_name:    method_name.to_s,
        runner_class:   klass,
        definition:     klass.respond_to?(:definition_for) ? klass.definition_for(method_name) : nil
      )
    end
  end
rescue StandardError => e
  Legion::Logging.error("Failed to build absorbers: #{e.message}") if defined?(Legion::Logging)
end