bc5b8109e6
refs https://github.com/TryGhost/Team/issues/1306
- This removes the limitation described in commit ff46449ad6
- The only edge case is that when a publication changes their timezone, it will have maximum 24 hours where the member last_seen_at could be incorrect
54 lines
2.2 KiB
JavaScript
54 lines
2.2 KiB
JavaScript
const DomainEvents = require('@tryghost/domain-events');
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const {MemberPageViewEvent} = require('@tryghost/member-events');
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const moment = require('moment-timezone');
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/**
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* Listen for `MemberViewEvent` to update the `member.last_seen_at` timestamp
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*/
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class LastSeenAtUpdater {
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/**
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* Initializes the event subscriber
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* @param {Object} deps dependencies
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* @param {Object} deps.models The list of model dependencies
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* @param {any} deps.models.Member The Member model
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* @param {Object} deps.services The list of service dependencies
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* @param {any} deps.services.settingsCache The settings service
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*/
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constructor({
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models: {
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Member
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},
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services: {
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settingsCache
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}
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}) {
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this._memberModel = Member;
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this._settingsCacheService = settingsCache;
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DomainEvents.subscribe(MemberPageViewEvent, async (event) => {
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await this.updateLastSeenAt(event.data.memberId, event.data.memberLastSeenAt, event.timestamp);
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});
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}
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/**
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* Updates the member.last_seen_at field if it wasn't updated in the current UTC day yet
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* Example: current time is 2022-02-28 18:00:00 UTC
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* - memberLastSeenAt is 2022-02-27 23:00:00 UTC, timestamp is current time, then `last_seen_at` is set to the current time
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* - memberLastSeenAt is 2022-02-28 01:00:00 UTC, timestamp is current time, then `last_seen_at` isn't changed
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* @param {string} memberId The id of the member to be udpated
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* @param {string} memberLastSeenAt The previous last_seen_at property value for the current member
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* @param {Date} timestamp The event timestamp
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*/
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async updateLastSeenAt(memberId, memberLastSeenAt, timestamp) {
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const timezone = this._settingsCacheService.get('timezone');
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if (memberLastSeenAt === null || moment(moment.utc(timestamp).tz(timezone).startOf('day')).isAfter(moment.utc(memberLastSeenAt).tz(timezone).startOf('day'))) {
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await this._memberModel.update({
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last_seen_at: moment.utc(timestamp).format('YYYY-MM-DD HH:mm:ss')
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}, {
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id: memberId
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});
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}
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}
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}
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module.exports = LastSeenAtUpdater;
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