Module: OnTheSpot::ControllerExtension::ClassMethods

Defined in:
lib/on_the_spot/controller_extension.rb

Overview

if this method is called inside a controller, the edit-on-the-spot controller action is added that will allow to edit fields in place

Instance Method Summary collapse

Instance Method Details

#can_edit_on_the_spot(options_or_check_access_method = nil) ⇒ Object 



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# File 'lib/on_the_spot/controller_extension.rb', line 11

def can_edit_on_the_spot(options_or_check_access_method=nil)
  check_access_method = options_or_check_access_method.is_a?(Hash) ? options_or_check_access_method[:is_allowed] : options_or_check_access_method
  on_success_method   = options_or_check_access_method.is_a?(Hash) ? options_or_check_access_method[:on_success] : nil

  define_method :update_attribute_on_the_spot do
    klass_name, field, id = params[:id].split('__')
    select_data = params[:select_array]
    display_method = params[:display_method]

    klass = klass_name.camelize.constantize
    object = klass.find(id)

    is_allowed = check_access_method.present? ? self.send(check_access_method, object, field) : true

    if is_allowed
      saved = if klass.attribute_names.include?(field)
                object.update_attributes(field => params[:value])
              else
                # calculated attribute?
                object.send("#{field}=", params[:value])
                object.save
              end
      if saved
        if on_success_method.present?
          self.send(on_success_method, object, field, params[:value])
        end
        if select_data.nil?
          field_or_method = if display_method.present?
                              object.send(display_method)
                            else
                              value = object.send(field).to_s
                              params[:raw] ? value : CGI::escapeHTML(value)
                            end
          render :plain => field_or_method
        else
          parsed_data = JSON.parse(select_data.gsub("'", '"').gsub('\"', "'"))
          render :plain => parsed_data[object.send(field).to_s]
        end
      else
        render :plain => object.errors.full_messages.join("\n"), :status => 422
      end
    else
      render :plain => t('on_the_spot.access_not_allowed'), :status => 422
    end
  end

  define_method :get_attribute_on_the_spot do
    klass_name, field, id = params[:id].split('__')

    object = klass_name.camelize.constantize.find(id)

    is_allowed = check_access_method.present? ? self.send(check_access_method, object, field) : true

    if is_allowed
      render :plain => object.send(field)
    else
      render :plain => t('on_the_spot.access_not_allowed'), :status => 422
    end
  end
end