manifold/functions/src/on-create-comment-on-group.ts
2022-07-15 06:52:08 -06:00

47 lines
1.4 KiB
TypeScript

import * as functions from 'firebase-functions'
import { Comment } from '../../common/comment'
import * as admin from 'firebase-admin'
import { Group } from '../../common/group'
import { User } from '../../common/user'
import { createGroupCommentNotification } from './create-notification'
const firestore = admin.firestore()
export const onCreateCommentOnGroup = functions.firestore
.document('groups/{groupId}/comments/{commentId}')
.onCreate(async (change, context) => {
const { eventId } = context
const { groupId } = context.params as {
groupId: string
}
const comment = change.data() as Comment
const creatorSnapshot = await firestore
.collection('users')
.doc(comment.userId)
.get()
if (!creatorSnapshot.exists) throw new Error('Could not find user')
const groupSnapshot = await firestore
.collection('groups')
.doc(groupId)
.get()
if (!groupSnapshot.exists) throw new Error('Could not find group')
const group = groupSnapshot.data() as Group
await firestore.collection('groups').doc(groupId).update({
mostRecentChatActivityTime: comment.createdTime,
})
await Promise.all(
group.memberIds.map(async (memberId) => {
return await createGroupCommentNotification(
creatorSnapshot.data() as User,
memberId,
comment,
group,
eventId
)
})
)
})