Edge = Struct.new(:from, :to)

def get_tweep_connections_from tweets
  tweep_edges = {}
  tweets.each{ |tweet|
    tweep = tweet['from_user']
    to_nodes = extract_all_tweeps_from tweet

    if to_nodes.length > 0
      to_nodes.each{ |node|
        raise "node is blank!!" if node == ''
        edge_a = Edge.new(tweep, node)
        edge_b = Edge.new(node, tweep)

        if tweep_edges.has_key? edge_a
          tweep_edges[edge_a] += 1
        elsif tweep_edges.has_key? edge_b
          tweep_edges[edge_b] += 1
        else
          tweep_edges[edge_a] = 1
        end
      }
    end
  }

  return tweep_edges
end