class Synapse < ActiveRecord::Base belongs_to :user belongs_to :topic1, :class_name => "Topic", :foreign_key => "node1_id" belongs_to :topic2, :class_name => "Topic", :foreign_key => "node2_id" has_many :mappings, as: :mappable, dependent: :destroy has_many :maps, :through => :mappings validates :desc, length: { minimum: 0, allow_nil: false } validates :permission, presence: true validates :node1_id, presence: true validates :node2_id, presence: true validates :permission, inclusion: { in: Perm::ISSIONS.map(&:to_s) } validates :category, inclusion: { in: ['from-to', 'both'], allow_nil: true } scope :for_topic, ->(topic_id = nil) { where("node1_id = ? OR node2_id = ?", topic_id, topic_id) } # :nocov: def user_name user.name end # :nocov: # :nocov: def user_image user.image.url end # :nocov: # :nocov: def as_json(options={}) super(:methods =>[:user_name, :user_image]) end # :nocov: end