module TopicsHelper #find all nodes in any given nodes network def network(node, array, count) # recurse starting with a node to find all connected nodes and return an array of topics that constitutes the starting nodes network # if the array of nodes is empty initialize it if array.nil? array = Array.new end # add the node to the array array.push(node) if count == 0 return array end count = count - 1 # check if each relative is already in the array and if not, call the network function again if not node.relatives.empty? if (node.relatives-array).empty? return array else (node.relatives-array).each do |relative| array = (array | network(relative, array, count)) end return array end elsif node.relatives.empty? return array end end #return a json object containing all of a users added synapses def synapses_as_json(current, synapses) Jbuilder.encode do |json| @topics = Array.new synapses.each do |synapse| @topics.push(synapse.topic1) if (not @topics.include?(synapse.topic1)) && synapse.topic1.authorize_to_view(current) @topics.push(synapse.topic2) if (not @topics.include?(synapse.topic2)) && synapse.topic2.authorize_to_view(current) end json.array!(@topics) do |topic| json.adjacencies topic.synapses2.delete_if{|synapse| not @topics.include?(Topic.find_by_id(synapse.node1_id))} do |json, synapse| json.nodeTo synapse.node1_id json.nodeFrom synapse.node2_id @synapsedata = Hash.new @synapsedata['$desc'] = synapse.desc @synapsedata['$showDesc'] = false @synapsedata['$category'] = synapse.category @synapsedata['$id'] = synapse.id @synapsedata['$userid'] = synapse.user.id @synapsedata['$username'] = synapse.user.name @synapsedata['$direction'] = [synapse.node1_id.to_s(), synapse.node2_id.to_s()] @synapsedata['$permission'] = synapse.permission json.data @synapsedata end @inmaps = Array.new topic.maps.each do |map| @inmaps.push(map.id) end @topicdata = Hash.new @topicdata['$desc'] = topic.desc @topicdata['$link'] = topic.link @topicdata['$metacode'] = topic.metacode.name @topicdata['$inmaps'] = @inmaps @topicdata['$userid'] = topic.user.id @topicdata['$username'] = topic.user.name @topicdata['$permission'] = topic.permission json.data @topicdata json.id topic.id json.name topic.name end end end def all_as_json(current, user) # current is current user Jbuilder.encode do |json| if user.nil? @topics = Topic.visibleToUser(current, nil) @synapses = Synapse.visibleToUser(current, nil) else @topics = Topic.visibleToUser(current, user) @synapses = Synapse.visibleToUser(current, user) end json.array!(@topics) do |topic| json.adjacencies topic.synapses2.delete_if{|synapse| (not @topics.include?(Topic.find_by_id(synapse.node1_id))) || (not @synapses.include?(synapse))} do |json, synapse| json.nodeTo synapse.node1_id json.nodeFrom synapse.node2_id @synapsedata = Hash.new @synapsedata['$desc'] = synapse.desc @synapsedata['$showDesc'] = false @synapsedata['$category'] = synapse.category @synapsedata['$id'] = synapse.id @synapsedata['$userid'] = synapse.user.id @synapsedata['$username'] = synapse.user.name @synapsedata['$direction'] = [synapse.node1_id.to_s(), synapse.node2_id.to_s()] @synapsedata['$permission'] = synapse.permission json.data @synapsedata end @inmaps = Array.new topic.maps.each do |map| @inmaps.push(map.id) end @topicdata = Hash.new @topicdata['$desc'] = topic.desc @topicdata['$link'] = topic.link @topicdata['$metacode'] = topic.metacode.name @topicdata['$inmaps'] = @inmaps @topicdata['$userid'] = topic.user.id @topicdata['$username'] = topic.user.name @topicdata['$permission'] = topic.permission json.data @topicdata json.id topic.id json.name topic.name end end end end