module ItemsHelper #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 items 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| @items = Array.new synapses.each do |synapse| @items.push(synapse.item1) if (not @items.include?(synapse.item1)) && synapse.item1.authorize_to_view(current) @items.push(synapse.item2) if (not @items.include?(synapse.item2)) && synapse.item2.authorize_to_view(current) end json.array!(@items) do |item| json.adjacencies item.synapses2.delete_if{|synapse| not @items.include?(Item.find_by_id(synapse.node1_id))} do |json, synapse| json.nodeTo synapse.node1_id json.nodeFrom synapse.node2_id @synapsedata = Hash.new @synapsedata['$desc'] = synapse.desc @synapsedata['$category'] = synapse.category json.data @synapsedata end @itemdata = Hash.new @itemdata['$desc'] = item.desc @itemdata['$link'] = item.link @itemdata['$itemcatname'] = item.item_category.name @itemdata['$userid'] = item.user.id @itemdata['$username'] = item.user.name json.data @itemdata json.id item.id json.name item.name end end end def all_as_json(current) Jbuilder.encode do |json| @items = Item.visibleToUser(current, nil) @synapses = Synapse.visibleToUser(current, nil) json.array!(@items) do |item| json.adjacencies item.synapses2.delete_if{|synapse| (not @items.include?(Item.find_by_id(synapse.node1_id))) || (not @synapses.include?(synapse))} do |json, synapse| json.nodeTo synapse.node1_id json.nodeFrom synapse.node2_id @synapsedata = Hash.new @synapsedata['$desc'] = synapse.desc @synapsedata['$category'] = synapse.category @synapsedata['$userid'] = synapse.user.id @synapsedata['$username'] = synapse.user.name json.data @synapsedata end @itemdata = Hash.new @itemdata['$desc'] = item.desc @itemdata['$link'] = item.link @itemdata['$itemcatname'] = item.item_category.name @itemdata['$userid'] = item.user.id @itemdata['$username'] = item.user.name json.data @itemdata json.id item.id json.name item.name end end end end