discord-birthday-wisher/index.js

discord-brithday-wisher is a powerful npm package that wishes everyone a happy birthday on their birthday, uses MongoDB.

const mongoose = require("mongoose");
const birthdays = require("./models/birthdays.js");
const schedule = require("node-schedule");
const { MessageEmbed } = require("discord.js");
var mongoUrl;
let job;

class DiscordBirthdayWisher {
  /**
   * @param {string} [dbUrl] - A valid mongo database URI.
   */

  static async connectionURL(dbUrl) {
    if (!dbUrl) throw new TypeError("A database url was not provided.");
    mongoUrl = dbUrl;
    return await mongoose.connect(dbUrl, {
      useNewUrlParser: true,
      useUnifiedTopology: true,
    });
  }

  /**
   * @param {string} [userId] - Discord user id.
   * @param {string} [guildId] - Discord guild id.
   * @param {string} [channelId] - Discord channel id.
   * @param {number} [birthdayDay] - The day of the birthday.
   * @param {number} [birthdayMonth] - The month of the birthday.
   * @param {number} [birthdayYear] - The year of the birthday.
   */

  static async setBirthday(userId, guildId, channelId, birthdayDay, birthdayMonth, birthdayYear) {
    const currentYear = new Date().getFullYear();
    if (!userId) throw new TypeError("A user id was not provided.");
    if (!guildId) throw new TypeError("A guild id was not provided.");
    if (!channelId) throw new TypeError("A channel id was not provided.");
    if (!birthdayDay) throw new TypeError("A birthday day was not provided.");
    if (!birthdayMonth) throw new TypeError("A birthday month was not provided.");
    if (!birthdayYear) throw new TypeError("A birthday year was not provided.");
    if (birthdayDay > 31 || birthdayDay < 1) throw new TypeError("A birthday day has to be between 1 and 31.");
    if (birthdayMonth > 12 || birthdayMonth < 1) throw new TypeError("A birthday month has to be between 1 and 12.");
    if (birthdayYear > currentYear) throw new TypeError(`A birthday year can't be over ${currentYear}`);

    const isBirthday = await birthdays.findOne({
      userID: userId,
      guildID: guildId,
    });
    if (isBirthday) return false;

    const newBirthday = new birthdays({
      userID: userId,
      guildID: guildId,
      Day: birthdayDay,
      Month: birthdayMonth,
      Year: birthdayYear,
      Full: `${birthdayDay}/${birthdayMonth}/${birthdayYear}`,
    });

    await newBirthday.save().catch((e) => console.log(`Failed to set birthday: ${e}`));

    const rule = new schedule.RecurrenceRule();
    rule.month = birthdayMonth - 1;
    rule.date = birthdayDay;
    rule.hour = 0;
    rule.minute = 0;

    job = schedule.scheduleJob(rule, function () {
      const channel = client.channels.cache.get(channelId).catch((e) => `Failed to get the channel: ${e}`);
      const embed = new MessageEmbed().setColor("BLURPLE").setDescription(`🎉 Happy birthday <@${userId}>! They are now ${currentYear - birthdayYear} years old. 🥳`);

      channel.send({ embeds: [embed] });
    });

    return newBirthday;
  }

  /**
   * @param {string} [userId] - Discord user id.
   * @param {string} [guildId] - Discord guild id.
   */

  static async deleteBirthday(userId, guildId) {
    if (!userId) throw new TypeError("A user id was not provided.");
    if (!guildId) throw new TypeError("A guild id was not provided.");

    const Birthday = await birthdays.findOne({
      userID: userId,
      guildID: guildId,
    });
    if (!Birthday) return false;

    await birthdays.findOneAndDelete({ userID: userId, guildID: guildId }).catch((e) => console.log(`Failed to delete birthday: ${e}`));
    await job.cancel();

    return Birthday;
  }

  /**
   * @param {string} [userId] - Discord user id.
   * @param {string} [guildId] - Discord guild id.
   * @param {number} [birthdayDay] - The day of the birthday.
   * @param {number} [birthdayMonth] - The month of the birthday.
   * @param {number} [birthdayYear] - The year of the birthday.
   */

  static async changeBirthday(userId, guildId, birthdayDay, birthdayMonth, birthdayYear) {
    const currentYear = new Date().getFullYear();
    if (!userId) throw new TypeError("A user id was not provided.");
    if (!guildId) throw new TypeError("A guild id was not provided.");
    if (!birthdayDay) throw new TypeError("A birthday day was not provided.");
    if (!birthdayMonth) throw new TypeError("A birthday month was not provided.");
    if (!birthdayYear) throw new TypeError("A birthday year was not provided.");
    if (birthdayDay > 31 || birthdayDay < 1) throw new TypeError("A birthday day has to be between 1 and 31.");
    if (birthdayMonth > 12 || birthdayMonth < 1) throw new TypeError("A birthday month has to be between 1 and 12.");
    if (birthdayYear > currentYear) throw new TypeError(`A birthday year can't be over ${currentYear}`);

    const birthday = await birthdays.findOne({
      userID: userId,
      guildID: guildId,
    });
    if (!birthday) return false;

    const newBirthday = await birthdays.findByIdAndUpdate(
      {
        userID: userId,
        guildID: guildId,
      },
      {
        Day: birthdayDay,
        Month: birthdayMonth,
        Year: birthdayYear,
        Full: `${birthdayDay}/${birthdayMonth}/${birthdayYear}`,
      }
    );

    const rule = new schedule.RecurrenceRule();
    rule.month = birthdayMonth - 1;
    rule.date = birthdayDay;
    rule.hour = 0;
    rule.minute = 0;
    await job.reschedule(rule);

    return newBirthday;
  }
}

module.exports = DiscordBirthdayWisher;