Module: Legion::Extensions::Builder::Hooks

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Base

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

Instance Attribute Details

#hooks ⇒ Object (readonly)

Returns the value of attribute hooks.



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

def hooks
  @hooks
end

Instance Method Details

#build_hook_list ⇒ Object 



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# File 'lib/legion/extensions/builders/hooks.rb', line 21

def build_hook_list
  hook_files.each do |file|
    hook_name = file.split('/').last.sub('.rb', '')
    hook_class_name = "#{lex_class}::Hooks::#{hook_name.split('_').collect(&:capitalize).join}"

    next unless Kernel.const_defined?(hook_class_name)

    hook_class = Kernel.const_get(hook_class_name)
    next unless hook_class < Legion::Extensions::Hooks::Base

    route_path = "#{extension_name}/#{hook_name}"
    runner = resolve_hook_runner(hook_class)

    @hooks[hook_name.to_sym] = {
      extension:      lex_class.to_s.downcase,
      extension_name: extension_name,
      hook_name:      hook_name,
      hook_class:     hook_class,
      route_path:     route_path
    }

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

    # Register hook component in the router (explicit methods derived from hook class)
    hook_methods = hook_class.public_instance_methods(false).reject { |m| m.to_s.start_with?('_') }
    hook_methods = [:handle] if hook_methods.empty?
    hook_methods.each do |method_name|
      Legion::API.router.register_extension_route(
        lex_name:       extension_name,
        amqp_prefix:    respond_to?(:amqp_prefix) ? amqp_prefix : "lex.#{extension_name.to_s.tr('_', '.')}",
        component_type: 'hooks',
        component_name: hook_name,
        method_name:    method_name.to_s,
        runner_class:   runner || hook_class,
        definition:     hook_class.respond_to?(:definition_for) ? hook_class.definition_for(method_name) : nil
      )
    end
  end
end

#build_hooks ⇒ Object 



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# File 'lib/legion/extensions/builders/hooks.rb', line 13

def build_hooks
  @hooks = {}
  return unless Dir.exist? "#{extension_path}/hooks"

  require_files(hook_files)
  build_hook_list
end

#hook_files ⇒ Object 



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# File 'lib/legion/extensions/builders/hooks.rb', line 61

def hook_files
  @hook_files ||= find_files('hooks')
end