utils/structures/Queue.ts

import DiscordClient from "../../client/Client";
import { v4 as uuid } from 'uuid';
import QueuedJob, { IQueuedJob } from "../../models/QueuedJob";

export interface QueueOptions {
    runAfter?: number;
    id?: string;
    runAt?: Date;
    model: IQueuedJob;
}

export default abstract class Queue {
    protected completed = false;
    protected runOn: number = 0;
    public readonly id: string;
    protected readonly model: IQueuedJob;
    protected readonly timeout: NodeJS.Timeout;

    constructor(protected client: DiscordClient, { runAfter, id, runAt, model }: QueueOptions) {
        if (runAfter !== 0 && runAfter !== 0 && !runAfter && !runAt) {
            throw new Error("One of runAfter or runAt must be specified for creating a queue");
        }

        this.runOn = runAfter ? Date.now() + runAfter : runAt!.getTime();
        this.id = id ?? uuid();
        this.model = model;

        const ms = this.runOn - Date.now();

        this.timeout = setTimeout(async () => {
            await this.run();
            await this.finish();
        }, ms < 0 ? 0 : ms);

        console.log('Queue created: ', this.constructor.name, this.id);
    }

    get data() {
        return this.model.data;
    }

    async finish() {
        this.client.queueManager.removeQueue(this);
        console.log("Job complete: ", this.constructor.name);
    }

    async cancel() {
        clearTimeout(this.timeout);
        await this.model.delete();
        this.client.queueManager.removeQueue(this);
    }

    abstract execute(data?: { [key: string | number]: any }): Promise<any>;

    async run() {
        this.completed = true;
        this.model.delete();

        try {
            return await this.execute(this.model.data);
        }
        catch (e) {
            console.error(`An error occurred in queue job\nJob ID: ${this.id}`, e);
        }
    }
}
1	rakin	421	import DiscordClient from "../../client/Client";
2			import { v4 as uuid } from 'uuid';
3			import QueuedJob, { IQueuedJob } from "../../models/QueuedJob";
4
5			export interface QueueOptions {
6			runAfter?: number;
7			id?: string;
8			runAt?: Date;
9			model: IQueuedJob;
10			}
11
12			export default abstract class Queue {
13			protected completed = false;
14			protected runOn: number = 0;
15			public readonly id: string;
16			protected readonly model: IQueuedJob;
17			protected readonly timeout: NodeJS.Timeout;
18
19			constructor(protected client: DiscordClient, { runAfter, id, runAt, model }: QueueOptions) {
20			if (runAfter !== 0 && runAfter !== 0 && !runAfter && !runAt) {
21			throw new Error("One of runAfter or runAt must be specified for creating a queue");
22			}
23
24			this.runOn = runAfter ? Date.now() + runAfter : runAt!.getTime();
25			this.id = id ?? uuid();
26			this.model = model;
27
28			const ms = this.runOn - Date.now();
29
30			this.timeout = setTimeout(async () => {
31			await this.run();
32			await this.finish();
33			}, ms < 0 ? 0 : ms);
34
35			console.log('Queue created: ', this.constructor.name, this.id);
36			}
37
38	rakin	428	get data() {
39			return this.model.data;
40			}
41
42	rakin	421	async finish() {
43			this.client.queueManager.removeQueue(this);
44			console.log("Job complete: ", this.constructor.name);
45			}
46
47			async cancel() {
48			clearTimeout(this.timeout);
49			await this.model.delete();
50	rakin	428	this.client.queueManager.removeQueue(this);
51	rakin	421	}
52
53			abstract execute(data?: { [key: string \| number]: any }): Promise<any>;
54
55			async run() {
56			this.completed = true;
57			this.model.delete();
58	rakin	424
59			try {
60			return await this.execute(this.model.data);
61			}
62			catch (e) {
63			console.error(`An error occurred in queue job\nJob ID: ${this.id}`, e);
64			}
65	rakin	421	}
66			}