metamaps--metamaps/app/models/synapse.rb

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class Synapse < ActiveRecord::Base
belongs_to :user
belongs_to :item1, :class_name => "Item", :foreign_key => "node1_id"
belongs_to :item2, :class_name => "Item", :foreign_key => "node2_id"
def self_as_json
Jbuilder.encode do |json|
@items = Array.new
@items.push(self.item1)
@items.push(self.item2)
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
json.data @itemdata
json.id item.id
json.name item.name
end
end
end
end