Managers_RankManager.js

'user strict'
const Discord = require('discord.js')
const { ErrorCodes } = require('../Errors/ErrorCodes')
const { BaseManager } = require('./BaseManager')
const { MissingValue, InvalidValue, RankPriorityInUse } = require('../Errors/LME')

/** @typedef {import('../../typings').Rank} Rank */

/**
 * Manager for the ranks.
 * @extends {BaseManager<Rank>}
 */
class RankManager extends BaseManager {
  /**
   * @param {Discord.Client} client - The Discord Client.
   * @param {Rank[]} iterable - Array of ranks.
   */
  constructor (client, iterable) {
    super(client, RankManager)

    if (!iterable) throw new MissingValue(ErrorCodes.MissingArgument, 'iterable')

    if (!Array.isArray(iterable)) throw new InvalidValue(ErrorCodes.InvalidValue, 'iterable', 'an array')
    for (const item of iterable) {
      this._add(item)
    }
  }

  /**
   * Add a new rank to the cache.
   * @param {Rank} rank - The rank to add.
   * @returns {Rank} - The rank added.
   * @private
   * @ignore
   */
  _add (rank) {
    if (typeof rank !== 'object') throw new InvalidValue(ErrorCodes.InvalidValue, 'rank', 'an object')

    const existing = this.cache.get(rank.priority.toString())

    if (existing) throw new RankPriorityInUse(rank.priority, existing.nameplate)

    this.cache.set(rank.priority.toString(), rank)

    return rank
  }
}

module.exports = { RankManager }