91 lines
2.3 KiB
JavaScript
91 lines
2.3 KiB
JavaScript
const {MilestoneCreatedEvent} = require('@tryghost/milestones');
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/**
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* @typedef {import('@tryghost/milestones/lib/InMemoryMilestoneRepository').Milestone} Milestone
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*/
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/**
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* @typedef {object} meta
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* @prop {'import'|'email'} [reason]
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* @prop {number} [currentValue]
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*/
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/**
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* @typedef {import('@tryghost/logging')} logging
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*/
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/**
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* @typedef {object} ISlackNotifications
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* @param {logging} logging
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* @param {URL} siteUrl
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* @param {URL} webhookUrl
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* @prop {Object.<Milestone, ?meta>} notifyMilestoneReceived
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* @prop {(slackData: object, url: URL) => Promise<void>} send
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*/
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/**
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* @typedef {object} config
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* @prop {boolean} isEnabled
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* @prop {URL} webhookUrl
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* @prop {number} minThreshold
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*/
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module.exports = class SlackNotificationsService {
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/** @type {import('@tryghost/domain-events')} */
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#DomainEvents;
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/** @type {import('@tryghost/logging')} */
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#logging;
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/** @type {config} */
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#config;
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/** @type {ISlackNotifications} */
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#slackNotifications;
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/**
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*
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* @param {object} deps
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* @param {import('@tryghost/domain-events')} deps.DomainEvents
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* @param {config} deps.config
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* @param {import('@tryghost/logging')} deps.logging
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* @param {ISlackNotifications} deps.slackNotifications
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*/
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constructor(deps) {
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this.#DomainEvents = deps.DomainEvents;
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this.#logging = deps.logging;
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this.#config = deps.config;
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this.#slackNotifications = deps.slackNotifications;
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}
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/**
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*
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* @param {MilestoneCreatedEvent} type
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* @param {object} event
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* @param {object} event.data
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*
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* @returns {Promise<void>}
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*/
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async #handleEvent(type, event) {
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if (
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type === MilestoneCreatedEvent
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&& event.data.milestone
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&& this.#config.isEnabled
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&& this.#config.webhookUrl
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&& this.#config.minThreshold < event.data.milestone.value
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) {
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try {
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await this.#slackNotifications.notifyMilestoneReceived(event.data);
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} catch (error) {
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this.#logging.error(error);
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}
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}
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}
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subscribeEvents() {
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this.#DomainEvents.subscribe(MilestoneCreatedEvent, async (event) => {
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await this.#handleEvent(MilestoneCreatedEvent, event);
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});
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}
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};
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