class Topic < ActiveRecord::Base include TopicsHelper belongs_to :user belongs_to :defer_to_map, class_name: 'Map', foreign_key: 'defer_to_map_id' 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 belongs_to :metacode 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 scope :relatives1, ->(topic_id = nil, user = nil) { visible = %w(public commons) permission = 'synapses.permission IN (?)' if user synapse_permission = permission + ' OR synapses.defer_to_map_id IN (?) OR synapses.user_id = ?' return includes(:topics1) .where('synapses.node1_id = ? AND (' + synapse_permission + ')', topic_id, visible, user.shared_maps.map(&:id), user.id) .references(:synapses) else return includes(:topics1) .where('synapses.node1_id = ? AND (' + permission + ')', topic_id, visible) .references(:synapses) end } scope :relatives2, ->(topic_id = nil, user = nil) { visible = %w(public commons) permission = 'synapses.permission IN (?)' if user synapse_permission = permission + ' OR synapses.defer_to_map_id IN (?) OR synapses.user_id = ?' return includes(:topics2) .where('synapses.node2_id = ? AND (' + synapse_permission + ')', topic_id, visible, user.shared_maps.map(&:id), user.id) .references(:synapses) else return includes(:topics2) .where('synapses.node2_id = ? AND (' + permission + ')', topic_id, visible) .references(:synapses) end } delegate :name, to: :user, prefix: true 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 calculated_permission if defer_to_map defer_to_map.permission else permission end end def as_json(_options = {}) super(methods: [:user_name, :user_image, :map_count, :synapse_count, :inmaps, :inmapsLinks, :calculated_permission, :collaborator_ids]) end def collaborator_ids if defer_to_map defer_to_map.editors.select { |mapper| mapper != user }.map(&:id) else [] end 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 raise '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 raise 'invalid synapse on topic in synapse_csv' end end end if output_format == 'array' return output elsif output_format == 'text' return output.join('; ') else raise 'invalid argument to synapses_csv' end output end def topic_autocomplete_method "Get: #{name}" end def mk_permission Perm.short(permission) end end