Class: ApiMaker::Ability

Inherits:
Object
  • Object
show all
Includes:
CanCan::Ability
Defined in:
lib/api_maker/ability.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(api_maker_args: nil, locals: nil) ⇒ Ability

Returns a new instance of Ability.



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# File 'lib/api_maker/ability.rb', line 6

def initialize(api_maker_args: nil, locals: nil)
  @api_maker_args = api_maker_args || {}
  @locals = locals || api_maker_args&.dig(:locals) || {}
  @loader = ApiMaker::AbilityLoader.new(ability: self, locals: locals, api_maker_args: api_maker_args)
end

Instance Attribute Details

#loader ⇒ Object (readonly)

Returns the value of attribute loader.



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# File 'lib/api_maker/ability.rb', line 4

def loader
  @loader
end

Instance Method Details

#active_record?(subject) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/api_maker/ability.rb', line 49

def active_record?(subject)
  return subject < ActiveRecord::Base if subject.class == Class # rubocop:disable Style/ClassEqualityComparison

  subject.is_a?(ActiveRecord::Base)
end

#can?(*args) ⇒ Boolean

Override methods from CanCan::Ability to first load abilities from the given resource

Returns:

  • (Boolean) 


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# File 'lib/api_maker/ability.rb', line 13

def can?(*args)
  subject = args.second
  load_abilities(subject)
  super
rescue ActiveModel::MissingAttributeError => e
  if subject.is_a?(ActiveRecord::Base)
    # Add subject / model class name to the error message
    new_error = ActiveModel::MissingAttributeError.new("Error on #{subject.class.name}: #{e.message}")
    new_error.set_backtrace(e.backtrace)

    raise new_error
  end

  raise e
end

#load_abilities(subject) ⇒ Object 



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# File 'lib/api_maker/ability.rb', line 35

def load_abilities(subject)
  return unless active_record?(subject)

  if subject.class == Class # rubocop:disable Style/ClassEqualityComparison
    ApiMaker::Configuration.profile(-> { "Loading abilities for #{subject.name}" }) do
      loader.load_model_class(subject)
    end
  elsif subject.class != Class
    ApiMaker::Configuration.profile(-> { "Loading abilities for #{subject.class.name}" }) do
      loader.load_model_class(subject.class)
    end
  end
end

#model_adapter(*args) ⇒ Object 



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# File 'lib/api_maker/ability.rb', line 29

def model_adapter(*args)
  subject = args.first
  load_abilities(subject)
  super
end