Module: Muffin::Policy

Included in:
Base, NestedAttribute
Defined in:
lib/muffin/frostings/policy.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/muffin/frostings/policy.rb', line 47

def self.included(base)
  base.extend ClassMethods
end

Instance Method Details

#attribute_permitted?(name) ⇒ Boolean

Returns:



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# File 'lib/muffin/frostings/policy.rb', line 22

def attribute_permitted?(name)
  block = self.class.attributes[name]&.permit
  return instance_exec(&block) if block
  true
end

#attribute_value_permitted?(name, value) ⇒ Boolean

Returns:



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# File 'lib/muffin/frostings/policy.rb', line 42

def attribute_value_permitted?(name, value)
  return true if permitted_values(name).nil?
  Array.wrap(value).all? { |e| permitted_values(name).include? e }
end

#permit! ⇒ Object

Raises:



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# File 'lib/muffin/frostings/policy.rb', line 13

def permit!
  raise NotPermittedError unless permitted?
end

#permit_attribute!(name, value) ⇒ Object

Raises:



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# File 'lib/muffin/frostings/policy.rb', line 28

def permit_attribute!(name, value)
  return false unless attribute_permitted?(name)
  permitted = attribute_value_permitted?(name, value)
  return false if value == nil && !permitted
  raise NotPermittedError unless permitted
  true
end

#permitted? ⇒ Boolean

Returns:



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# File 'lib/muffin/frostings/policy.rb', line 17

def permitted?
  return true unless self.class.permission_block
  instance_eval(&self.class.permission_block)
end

#permitted_values(name) ⇒ Object 



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# File 'lib/muffin/frostings/policy.rb', line 36

def permitted_values(name)
  block = self.class.attributes[name]&.permitted_values
  return instance_exec(&block) if block
  nil
end