class Topic < ActiveRecord::Base include TopicsHelper belongs_to :user has_many :synapses1, :class_name => 'Synapse', :foreign_key => 'node1_id', dependent: :destroy has_many :synapses2, :class_name => 'Synapse', :foreign_key => 'node2_id', dependent: :destroy has_many :topics1, :through => :synapses2, :source => :topic1 has_many :topics2, :through => :synapses1, :source => :topic2 has_many :mappings, as: :mappable, dependent: :destroy has_many :maps, :through => :mappings validates :permission, presence: true validates :permission, inclusion: { in: Perm::ISSIONS.map(&:to_s) } # This method associates the attribute ":image" with a file attachment has_attached_file :image #, styles: { # thumb: '100x100>', # square: '200x200#', # medium: '300x300>' #} # Validate the attached image is image/jpg, image/png, etc validates_attachment_content_type :image, :content_type => /\Aimage\/.*\Z/ # This method associates the attribute ":image" with a file attachment has_attached_file :audio # Validate the attached audio is audio/wav, audio/mp3, etc validates_attachment_content_type :audio, :content_type => /\Aaudio\/.*\Z/ def synapses synapses1 + synapses2 end def relatives topics1 + topics2 end belongs_to :metacode scope :relatives, ->(topic_id = nil) { includes(:synapses1) .includes(:synapses2) .where('synapses.node1_id = ? OR synapses.node2_id = ?', topic_id, topic_id) .references(:synapses) } def user_name user.name end def user_image user.image.url end def map_count maps.count end def synapse_count synapses.count end def inmaps maps.map(&:name) end def inmapsLinks maps.map(&:id) end def as_json(options={}) super(:methods =>[:user_name, :user_image, :map_count, :synapse_count, :inmaps, :inmapsLinks]) end def topic_autocomplete_method "Get: #{self.name}" end def mk_permission Perm.short(permission) end # has no viewable synapses helper function def has_viewable_synapses(current) result = false synapses.each do |synapse| if synapse.authorize_to_show(current) result = true end end result end # TODO move to a decorator? def synapses_csv(output_format = 'array') output = [] synapses.each do |synapse| if synapse.category == 'from-to' if synapse.node1_id == id output << synapse.node1_id.to_s + '->' + synapse.node2_id.to_s elsif synapse.node2_id == id output << synapse.node2_id.to_s + '<-' + synapse.node1_id.to_s else fail 'invalid synapse on topic in synapse_csv' end elsif synapse.category == 'both' if synapse.node1_id == id output << synapse.node1_id.to_s + '<->' + synapse.node2_id.to_s elsif synapse.node2_id == id output << synapse.node2_id.to_s + '<->' + synapse.node1_id.to_s else fail 'invalid synapse on topic in synapse_csv' end end end if output_format == 'array' return output elsif output_format == 'text' return output.join('; ') else fail 'invalid argument to synapses_csv' end output end end