Module: SkinnyControllers::Lookup::Policy

Defined in:
lib/skinny_controllers/lookup/policy.rb

Class Method Summary collapse

Class Method Details

.class_from_model(name) ⇒ Class

Returns the policy class.

Parameters:

  • name (String) —

    the name of the model

Returns:

  • (Class) —

    the policy class



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# File 'lib/skinny_controllers/lookup/policy.rb', line 8

def class_from_model(name)
  policy_class_name = class_name_from_model(name)
  klass = policy_class_name.safe_constantize
  klass || define_policy_class(policy_class_name)
end

.class_name_from_model(name) ⇒ Object 



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# File 'lib/skinny_controllers/lookup/policy.rb', line 14

def class_name_from_model(name)
  parent_namespace = namespace.present? ? "#{namespace}::" : ''
  "#{parent_namespace}#{name}" + SkinnyControllers.policy_suffix
end

.define_policy_class(name) ⇒ Object 



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# File 'lib/skinny_controllers/lookup/policy.rb', line 19

def define_policy_class(name)
  default_policy = SkinnyControllers::Policy::Default
  namespace_klass = Object
  # if we are namespaced, we need to get / create the namespace if it doesn't exist already
  if (name.include?('::'))
    namespaces = name.split('::')
    namespace = namespaces[0..-2].join('::').presence
    namespace = namespace == name ? 'Object' : namespace
    if (namespace.presence && namespace != name )
      namespace_klass = Namespace.create_namespace(namespace)
    end
  end

  # naw remove the namespace from the name
  name = name.gsub(namespace_klass.name + '::', '')

  # finally, define the new policy class
  namespace_klass.const_set(name, default_policy.dup)
end

.method_name_for_operation(class_name) ⇒ Object

Parameters:

  • class_name (String) —

    name of the operation class



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# File 'lib/skinny_controllers/lookup/policy.rb', line 40

def method_name_for_operation(class_name)
  class_name.demodulize.downcase + POLICY_METHOD_SUFFIX
end

.namespace ⇒ Object 



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# File 'lib/skinny_controllers/lookup/policy.rb', line 44

def namespace
  SkinnyControllers.policies_namespace
end