broken_json_twitter_chain.rb

def self.make_json
    # just gotta do this cuz of lame scope stuff
    path = nil
    
    # set up some arrays for my node hashes and my link hashes
    nodes = []
    links = []
    
    # just for figuring out when to change "groups" (not important aside from coloring in D3.js
    group = 1
    current_parent = nil
    
    # This is just getting the path array from a YAML file
    TLC_STORE.transaction do
      path = TLC_STORE["traveled_path"]
    end

    # just looking at the 120th to 135th elements of the multidimensional array becuase it's 14000+ elements long
    path[120..135].each do |pair|
      # just debugging
      puts "#{pair[0].id} - #{pair[1].id}"
      # this if block is not important here, only checking to see that the first element of a pair isn't nil
      # it only ever is on the very first pair
      if !pair[0]
        nodes << {"name" => "Start", "group" => 1}
        nodes << {"name" => pair[1].id, "group" => group}
        links << {"source" => 1, "target" => 0, "value" => 1}
        current_parent = pair[1].id
      else
        # unimportant stuff for changing the group (for D3 coloring)
        if pair[0].id != current_parent
          group += 1
          current_parent = pair[0].id
        end
        parent = {"name" => pair[0].id, "group" => group}
        child = {"name" => pair[1].id, "group" => group}
        nodes << parent if !nodes.include?(parent)
        nodes << child if !nodes.include?(child)
        links << {"source" => nodes.index{|c| c["name"] == child["name"]}, "target" => nodes.index{|p| p["name"] == parent["name"]}, "value" => 1}
      end
    end

    nodes.each_with_index do |node, i|
      puts "#{i}. #{node}"
    end

    links.each_with_index do |link, i|
      puts "#{i}. #{link}"
    end

    json = {"nodes" => nodes, "links" => links}.to_json
    File.open('first_200.json', 'w') do |f|
      f.write(json)
      f.close
    end
  end