Module: Protip::Resource

Extended by:
ActiveSupport::Concern
Includes:
ActiveModel::Conversion, ActiveModel::Validations
Defined in:
lib/protip/resource.rb

Defined Under Namespace

Modules: ClassMethods, Creatable, Destroyable, ExtraMethods, SearchMethods, Updatable

Instance Method Summary collapse

Instance Method Details

#attributes ⇒ Object 



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# File 'lib/protip/resource.rb', line 275

def attributes
  # Like `.as_json`, but includes nil fields to match ActiveRecord behavior.
  self.class.message.all_fields.map{|field| field.name}.inject({}) do |hash, attribute_name|
    hash[attribute_name] = message.field?(attribute_name) ? public_send(attribute_name).as_json : nil
    hash
  end
end

#errors ⇒ Object 



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# File 'lib/protip/resource.rb', line 283

def errors
  @errors ||= ActiveModel::Errors.new(self)
end

#initialize(message_or_attributes = {}) ⇒ Object 



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# File 'lib/protip/resource.rb', line 232

def initialize(message_or_attributes = {})
  if self.class.message == nil
    raise RuntimeError.new('Must define a message class using `resource`')
  end
  if message_or_attributes.is_a?(self.class.message)
    self.message = message_or_attributes
  else
    self.message = self.class.message.new
    assign_attributes message_or_attributes
  end

  super()
end

#message=(message) ⇒ Object 



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# File 'lib/protip/resource.rb', line 246

def message=(message)
  @wrapper = Protip::Wrapper.new(message, self.class.converter)
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protip/resource.rb', line 271

def persisted?
  message.field?(:id)
end

#save ⇒ Object 



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# File 'lib/protip/resource.rb', line 250

def save
  success = true
  begin
    if persisted?
      # TODO: use `ActiveModel::Dirty` to only send changed attributes?
      update!
    else
      create!
    end
  rescue Protip::UnprocessableEntityError => error
    success = false
    error.errors.messages.each do |message|
      errors.add :base, message
    end
    error.errors.field_errors.each do |field_error|
      errors.add field_error.field, field_error.message
    end
  end
  success
end