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* Common: getVehicles

Fragt alle Fahrzeuge ab, speichert sie im SessionStorage ab und stellt eine Funktion zum Abrufen zur Verfügung

Ovu skriptu ne treba izravno instalirati. To je biblioteka za druge skripte koje se uključuju u meta direktivu // @require https://update.greasyfork.org/scripts/484898/1311830/%2A%20Common%3A%20getVehicles.js 

// ==UserScript==
// @name        * Common: getVehicles
// @namespace   bos-ernie.leitstellenspiel.de
// @version     1.0.0
// @license     BSD-3-Clause
// @author      BOS-Ernie
// @description Fragt alle Fahrzeuge ab, speichert sie im SessionStorage ab und stellt eine Funktion zum Abrufen zur Verfügung
// @icon        https://www.google.com/s2/favicons?sz=64&domain=leitstellenspiel.de
// @run-at      document-idle
// @grant       none
// ==/UserScript==

async function getVehicles() {
  if (
    !sessionStorage.bosErnieVehicles ||
    JSON.parse(sessionStorage.bosErnieVehicles).lastUpdate < new Date().getTime() - 5 * 1000 * 60
  ) {
    return updateVehiclesCache();
  }

  return JSON.parse(LZString.decompress(JSON.parse(sessionStorage.bosErnieVehicles).value));
}

async function updateVehiclesCache() {
  let vehicles = [];
  let nextPage = null;
  let page = 0;
  let totalPages = null;

  do {
    page++;

    if (page === 1) {
      nextPage = "/api/v2/vehicles";
    }

    const response = await fetch(nextPage).then(response => response.json());

    vehicles = vehicles.concat(
      response.result.map(vehicle => ({
        id: vehicle.id,
        caption: vehicle.caption,
        building_id: vehicle.building_id,
        vehicle_type: vehicle.vehicle_type,
        assigned_personnel_count: vehicle.assigned_personnel_count,
        tractive_vehicle_id: vehicle.tractive_vehicle_id,
      })),
    );

    nextPage = response.paging.next_page;

    if (totalPages === null) {
      totalPages = Math.ceil(response.paging.count_total / 10000);
    }
  } while (nextPage);

  const lastUpdate = new Date();

  try {
    const compressedVehicleData = LZString.compress(JSON.stringify(vehicles));

    const uncompressedSize = JSON.stringify(vehicles).length;
    const compressedSize = compressedVehicleData.length;

    sessionStorage.setItem(
      "bosErnieVehicles",
      JSON.stringify({
        lastUpdate: lastUpdate.getTime(),
        value: compressedVehicleData,
        uncompressedSize: uncompressedSize,
        compressedSize: compressedSize,
      }),
    );
  } catch (e) {}

  return vehicles;
}