Snippets

killerspaz Discord Channel Wiper

Created by killerspaz
snippet.js
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const BEFORE_MSG_ID = '';
const AUTH_TOKEN = '';
const BATCH_SIZE = 1;

/**
 * Discord Chanel Wiper
 *
 * Completely wipes a channel starting at a message ID.
 *
 * Automatically throttles based on responses from Discord servers.
 */
class DiscordChannelWiper {
  constructor({beforeMsgId, authToken, batchSize, channelId}) {
    this.beforeMsgId = beforeMsgId;
    this.authToken = authToken;
    this.batchSize = batchSize;
    this.baseUrl = `https://discordapp.com/api/channels/${channelId}/messages`;
  }

  wipe() {
    let messages;

    return this._getMessages()
      .then(_messages => {
        messages = _messages;
        return this._deleteMessageBatch(_messages);
      })
      .then(result => this._determineCompletion(result, messages))
      .then(() => console.info('[DiscordChannelWiper] - Done Wiping Channel!'))
      .catch(err => console.error('[DiscordChannelWiper] - Serious Failure: ', err));
  }

  _getHeaders() {
    return {
      headers: { 
        Authorization: this.authToken 
      }
    };
  }

  _getMessages() {
    return fetch(
      `${this.baseUrl}?before=${this.beforeMsgId}&limit=10`, 
      this._getHeaders()
    )
    .then(resp => resp.json());
  }

  _deleteMessageBatch(messages) {
    let initPromise = Promise.resolve();

    // Iterate over every message and SEQUENTIALLY DELETE!
    messages.forEach(msg => {
      initPromise = initPromise
        .then(() => this._deleteMessage(msg))
        .then(result => this._determineDeleteSuccess(result, msg))
    });

    return initPromise;
  }

  _deleteMessage(message) {
    console.log(`[DiscordChannelWiper] - Deleting Message from ${message.author.username}, ${message.id}`);

    return fetch(`${this.baseUrl}/${message.id}`, Object.assign(
        this._getHeaders(),
        { method: 'DELETE' }
      ))
      .then(resp => {
        return resp.text().then(text => {
          return text ? JSON.parse(text) : {}
        });
      });
  }

  _determineDeleteSuccess(result, lastMsg) {
    if (result.retry_after) {
      return this._delayAndRetry(result.retry_after);
    }

    this.beforeMsgId = lastMsg.id;

    return true;
  }

  _determineCompletion(result, messages) {
    if (messages.length > 0) {
      return this.wipe();
    }

    return result;
  }

  _delayAndRetry(delay) {
    return new Promise(resolve => {
      console.log(`[DiscordChannelWiper] - Delaying batch for ${delay / 1000} seconds`);
      setTimeout(resolve, delay);
    }).then(() => this.wipe());
  }
}

const initConfig = {
  beforeMsgId: BEFORE_MSG_ID,
  authToken: AUTH_TOKEN,
  batchSize: BATCH_SIZE,
  channelId: window.location.href.split('/').pop()
};

console.info(initConfig);

new DiscordChannelWiper(initConfig).wipe();

Comments (8)

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  6. Prateek Karnadhar

    Optimized Code:

    const BEFORE_MSG_ID = '';
    const AUTH_TOKEN = '';
    const BATCH_SIZE = 1;

    const DiscordChannelWiper = ({beforeMsgId, authToken, batchSize, channelId}) => {
    this.beforeMsgId = beforeMsgId;
    this.authToken = authToken;
    this.batchSize = batchSize;
    this.baseUrl = <https://discordapp.com/api/channels/${channelId}/messages;>

    this.wipe = async () => {
    let messages;

    messages = await this._getMessages();

await this._deleteMessageBatch(messages);

if (messages.length > 0) {
  await this.wipe();
}

    };

    this._getHeaders = () => ({
    headers: {
    Authorization: this.authToken
    }
    });

    this._getMessages = async () => await fetch(
    ${this.baseUrl}?before=${this.beforeMsgId}&limit=10,
    this._getHeaders()
    ).then(resp => resp.json());

    this._deleteMessageBatch = async messages => {
    for (const msg of messages) {
    await this._deleteMessage(msg);
    }
    };

    this._deleteMessage = async message => {
    console.log([DiscordChannelWiper] - Deleting Message from ${message.author.username}, ${message.id});

    const resp = await fetch(`${this.baseUrl}/${message.id}`, Object.assign(
    this._getHeaders(),
    { method: 'DELETE' }
  ));

const text = await resp.text();

return text ? JSON.parse(text) : {};

    };
    };

    const initConfig = {
    beforeMsgId: BEFORE_MSG_ID,
    authToken: AUTH_TOKEN,
    batchSize: BATCH_SIZE,
    channelId: window.location.href.split('/').pop()
    };

    new DiscordChannelWiper(initConfig).wipe();

    Thanks,

    ClearHolidays™ | clearholidays.com

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