errors.js

class Error {
    constructor(message, internalCode, statusCode) {
        this.message = message;
        this.code = internalCode;
        this.statusCode = statusCode; // HTTP Status Code
    }

    getJSON() {
        return {error: this.message, code: this.code, status: this.statusCode};
    }

    respond(res) {
        res.status(this.statusCode).json(this.getJSON());
    }

    toString() {
        return `[Code ${this.code}] - ${this.message}`;
    }
}

module.exports = {
    Error: Error,
    BadParams: new Error('Improper Parameter Structure', 1, 400),
    InvalidInspect: new Error('Invalid Inspect Link Structure', 2, 400),
    MaxRequests: new Error('You have too many pending requests', 3, 400),
    TTLExceeded: new Error('Valve\'s servers didn\'t reply in time', 4, 500),
    SteamOffline: new Error('Valve\'s servers appear to be offline, please try again later', 5, 503),
    GenericBad: new Error('Something went wrong on our end, please try again', 6, 500),
    BadBody: new Error('Improper body format', 7, 400),
    BadSecret: new Error('Bad Secret', 8, 400),
    NoBotsAvailable: new Error('No bots available to fulfill this request', 9, 500),
    RateLimit: new Error('Rate limit exceeded, too many requests', 10, 429),
    MaxQueueSize: new Error('Queue size is full, please try again later', 11, 500),
};