75 lines
1.9 KiB
TypeScript
75 lines
1.9 KiB
TypeScript
import { Inject, Injectable } from '@nestjs/common';
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import Redis from 'ioredis';
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import type { WebhooksRepository } from '@/models/index.js';
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import type { Webhook } from '@/models/entities/Webhook.js';
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import { DI } from '@/di-symbols.js';
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import type { OnApplicationShutdown } from '@nestjs/common';
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import { bindThis } from '@/decorators.js';
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@Injectable()
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export class WebhookService implements OnApplicationShutdown {
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private webhooksFetched = false;
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private webhooks: Webhook[] = [];
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constructor(
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@Inject(DI.redisSubscriber)
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private redisSubscriber: Redis.Redis,
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@Inject(DI.webhooksRepository)
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private webhooksRepository: WebhooksRepository,
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) {
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//this.onMessage = this.onMessage.bind(this);
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this.redisSubscriber.on('message', this.onMessage);
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}
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@bindThis
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public async getActiveWebhooks() {
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if (!this.webhooksFetched) {
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this.webhooks = await this.webhooksRepository.findBy({
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active: true,
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});
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this.webhooksFetched = true;
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}
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return this.webhooks;
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}
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@bindThis
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private async onMessage(_: string, data: string): Promise<void> {
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const obj = JSON.parse(data);
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if (obj.channel === 'internal') {
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const { type, body } = obj.message;
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switch (type) {
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case 'webhookCreated':
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if (body.active) {
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this.webhooks.push(body);
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}
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break;
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case 'webhookUpdated':
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if (body.active) {
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const i = this.webhooks.findIndex(a => a.id === body.id);
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if (i > -1) {
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this.webhooks[i] = body;
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} else {
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this.webhooks.push(body);
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}
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} else {
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this.webhooks = this.webhooks.filter(a => a.id !== body.id);
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}
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break;
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case 'webhookDeleted':
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this.webhooks = this.webhooks.filter(a => a.id !== body.id);
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break;
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default:
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break;
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}
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}
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}
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@bindThis
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public onApplicationShutdown(signal?: string | undefined) {
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this.redisSubscriber.off('message', this.onMessage);
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}
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}
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