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outline/server/services/notifications.js
2021-03-30 21:02:08 -07:00

155 lines
3.9 KiB
JavaScript

// @flow
import debug from "debug";
import type { DocumentEvent, CollectionEvent, Event } from "../events";
import mailer from "../mailer";
import {
View,
Document,
Team,
Collection,
User,
NotificationSetting,
} from "../models";
import { Op } from "../sequelize";
const log = debug("services");
export default class Notifications {
async on(event: Event) {
switch (event.name) {
case "documents.publish":
case "documents.update.debounced":
return this.documentUpdated(event);
case "collections.create":
return this.collectionCreated(event);
default:
}
}
async documentUpdated(event: DocumentEvent) {
// never send notifications when batch importing documents
if (event.data && event.data.source === "import") return;
const document = await Document.findByPk(event.documentId);
if (!document) return;
const { collection } = document;
if (!collection) return;
const team = await Team.findByPk(document.teamId);
if (!team) return;
const notificationSettings = await NotificationSetting.findAll({
where: {
userId: {
[Op.ne]: document.lastModifiedById,
},
teamId: document.teamId,
event:
event.name === "documents.publish"
? "documents.publish"
: "documents.update",
},
include: [
{
model: User,
required: true,
as: "user",
},
],
});
const eventName =
event.name === "documents.publish" ? "published" : "updated";
for (const setting of notificationSettings) {
// For document updates we only want to send notifications if
// the document has been edited by the user with this notification setting
// This could be replaced with ability to "follow" in the future
if (
eventName === "updated" &&
!document.collaboratorIds.includes(setting.userId)
) {
return;
}
// Check the user has access to the collection this document is in. Just
// because they were a collaborator once doesn't mean they still are.
const collectionIds = await setting.user.collectionIds();
if (!collectionIds.includes(document.collectionId)) {
return;
}
// If this user has viewed the document since the last update was made
// then we can avoid sending them a useless notification, yay.
const view = await View.findOne({
where: {
userId: setting.userId,
documentId: event.documentId,
updatedAt: {
[Op.gt]: document.updatedAt,
},
},
});
if (view) {
log(
`suppressing notification to ${setting.userId} because update viewed`
);
return;
}
mailer.documentNotification({
to: setting.user.email,
eventName,
document,
team,
collection,
actor: document.updatedBy,
unsubscribeUrl: setting.unsubscribeUrl,
});
}
}
async collectionCreated(event: CollectionEvent) {
const collection = await Collection.findByPk(event.collectionId, {
include: [
{
model: User,
required: true,
as: "user",
},
],
});
if (!collection) return;
if (!collection.permission) return;
const notificationSettings = await NotificationSetting.findAll({
where: {
userId: {
[Op.ne]: collection.createdById,
},
teamId: collection.teamId,
event: event.name,
},
include: [
{
model: User,
required: true,
as: "user",
},
],
});
notificationSettings.forEach((setting) =>
mailer.collectionNotification({
to: setting.user.email,
eventName: "created",
collection,
actor: collection.user,
unsubscribeUrl: setting.unsubscribeUrl,
})
);
}
}