FileNode.js

/* -*- javascript -*-
 *
 * Confidential and Proprietary
 * NOT FOR RELEASE
 * (c) 2017-present RevTera, Inc.
 * All Rights Reserved
 */
import path from 'path';
import Model from './Model';
import Source from './Source';
import { fromTimeVal } from '../utils/time';

function chunk (arr, len) {

  var chunks = [],
      i = 0,
      n = arr.length;

  while (i < n) {
    chunks.push(arr.slice(i, i += len));
  }

  return chunks;
}

/**
 * FileNode stores strucutured fields of a FileNode record returned from the backend.
 * @param {Object} [values] - Initial model attributes
 * @class
 */
class MultiCatalogFileNode extends Model {
  constructor(values) {
    const files = chunk(values.slice(3), 4)
    const moreInformation = files.reduce((memo, file) => {
      memo.catalogs.push(file[1])
      memo.nid = file[2]
      memo.path = file[3]
      return memo
    }, { catalogs: [], nid: null, path: null, })
    super(Array.isArray(values) && (values.length == 21) ? {
      index: parseInt(values[1], 10),
      hash: parseInt(values[2], 10) ? values[2] : null,
      ...moreInformation
    } : values);
  }

  /** @member {string} */
  get name() {
    return this.path.split('/').slice(-1)[0];
  }

  /** @member {string} */
  get extension() {
    return this.path.split('/').slice(-1)[0].split('.').slice(-1)[0].toLowerCase();
  }

  /** @member {string} */
  get isRegularFile() {
    return this.type === 3;
  }

  /** @member {string} */
  get isDirectory() {
    return this.type === 4;
  }

  /** @member {Source} */
  get source() {
    return new Source({ path: path.join(this.root, this.path) });
  }
}

export default MultiCatalogFileNode;