iranianpep / retweeter

import {Twitter} from 'twit';

import Constant from './Constant';

import Helper from './Helper';

import {ReTweetableAbstract} from './ReTweetable';

export type TweetUserConfig = {

    minCreationDiff: number,

    minFollowers: number,

    minTweets: number,

    userBlocklist?: string[]

};

export default class TweetUser extends ReTweetableAbstract {

    rawUser: Twitter.User;

    config: TweetUserConfig;

    constructor(rawUser: Twitter.User, config: TweetUserConfig) {

        super();

        this.rawUser = rawUser;

        this.config = config;

    }

    isCreatedRecently(): boolean {

        const createdAt = moment(this.rawUser.created_at, Constant.TWITTER_DATETIME_FORMAT, Constant.LANG_EN);

        const now = moment();

        return now.diff(createdAt, Constant.MOMENT_DAYS) < this.config.minCreationDiff;

    }

    hasEnoughFollowers(): boolean {

        return this.rawUser.followers_count >= this.config.minFollowers;

    }

    hasEnoughTweets(): boolean {

        return this.rawUser.statuses_count >= this.config.minTweets;

    }

    isBlockListed(): boolean {

        return Helper.objectExists(this.config.userBlocklist) && this.config.userBlocklist.includes(this.rawUser.id_str);

    }

    isReTweetable(): boolean {

        if (this.isBlockListed()) {

            this.retweetError = 'User is in blocklist';

            return false;

        }

        if (!this.isPublic()) {

            this.retweetError = 'User is not public';

            return false;

        }

        if (this.isCreatedRecently()) {

            this.retweetError = 'User is created recently';

            return false;

        }

        if (!this.hasEnoughFollowers()) {

            this.retweetError = 'User does not have enough followers';

            return false;

        }

        if (!this.hasEnoughTweets()) {

            this.retweetError = 'User does not have enough tweets';

            return false;

        }

        return true;

    }