const fs = require("fs");

let urls = require("./model.json");

function save(url, shortened) {
  urls.push({url: url, shortened: shortened});
  commit();
}

function commit() {
  fs.writeFile("./model.json", JSON.stringify(urls));
}

function search(key) {
  for (let model of urls) {
    if (key == model.shortened) return model;
  }
  return null;
}

module.exports = {
  save: save,
  search: search,
}