web.rb

require 'sinatra'
require 'json'
require 'fileutils'
require 'find'
require 'iconv'
require './classes.rb'
require './methods.rb'
set :environment, :development
set :public_folder, File.dirname(__FILE__) + '/assets'
set :logging, :true

get '/' do
  erb :start
end

put '/upload' do
  Dir.mkdir('uploads') unless File.exists?('uploads')
  if env['HTTP_X_FILENAME'] =~ /.+.lgil/
    File.open('uploads/intervention.lgil', "w") do |f|
      f.write(request.body.read)
    end
  else
    File.open('uploads/' + env['HTTP_X_FILENAME'], "w") do |f|
      f.write(request.body.read)
    end
  end
end

get '/processFiles' do
  nodes, links = [], []
  lgil_file = Iconv.new("UTF-8//IGNORE", "UTF-8").iconv(File.open('uploads/' + 'intervention.lgil', "r").read).split(/\r\n/)
  clean_lgil(lgil_file)
  create_nodes(nodes, links)
  find_sections(nodes)
  parse_lgil
  parse_xml
  links.uniq!
  FileUtils.rm_rf('uploads/.')
  { 
    :nodes => nodes,
    :links => links
  }.to_json
end

post '/processSessions/?' do
  sessions = {}
  session_arr = []
  duration = 0
  JSON.parse(request.env["rack.input"].read)["session_data"].each do |session|
    session["visited_nodes"].each_with_index do |node, index|
      duration += node["duration"]
      unless index == session["visited_nodes"].size-1
        current_name = node["node_name"]
        next_name = session["visited_nodes"][index+1]["node_name"]
        if sessions["lineid_"+current_name+next_name]
          sessions["lineid_"+current_name+next_name] += 1
        else
          sessions["lineid_"+current_name+next_name] = 1
        end
      end
    end
    session_arr.push({ :id => session["id"], :location => session["location"], :duration => readable_time(duration) })
    duration = 0
  end
  {
    :sessions => sessions,
    :tablular_data => session_arr
  }.to_json
end