Module: ExtendIt::Callbacks

Included in:
AdminIt::Context, AdminIt::Field, AdminIt::Filter, AdminIt::Resource
Defined in:
lib/extend_it/callbacks.rb

Defined Under Namespace

Modules: ClassMethods

Constant Summary collapse

CALLBACKS = 
%i(before after around)

Instance Method Summary collapse

Instance Method Details

#run_callbacks(*names, arguments: [], original_context: false) ⇒ Object 



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# File 'lib/extend_it/callbacks.rb', line 22

def run_callbacks(*names, arguments: [], original_context: false)
  # sanitize arguments
  arguments = arguments.ensure_array(make: true)

  parents = self.class.parents
  parents_rev = parents.reverse

  names = names.ensure_array(:flatten, :ensure_symbol, :compact, :uniq)
  names.each do |name|
    around = []
    around_name = "@around_#{name}".to_sym
    var_name = "@before_#{name}".to_sym
    parents_rev.each do |p|
      if p.instance_variable_defined?(around_name)
        arr = p.instance_variable_get(around_name)
        arr.each do |b|
          if original_context == true
            b.call(*arguments)
          else
            instance_exec(*arguments, &b)
          end
        end
        around.concat(arr)
      end
      if p.instance_variable_defined?(var_name)
        p.instance_variable_get(var_name).each do |b|
          if original_context == true
            b.call(*arguments)
          else
            instance_exec(*arguments, &b)
          end
        end
      end
    end
    yield if block_given?
    around.reverse.each do |b|
      if original_context == true
        b.call(*arguments)
      else
        instance_exec(*arguments, &b)
      end
    end
    var_name = "@after_#{name}".to_sym
    parents.each do |p|
      if p.instance_variable_defined?(var_name)
        p.instance_variable_get(var_name).each do |b|
          if original_context == true
            b.call(*arguments)
          else
            instance_exec(*arguments, &b)
          end
        end
      end
    end
  end
end