29 lines
774 B
TypeScript
29 lines
774 B
TypeScript
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import * as functions from 'firebase-functions'
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import { getUser } from './utils'
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import { createNotification } from './create-notification'
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export const onFollowUser = functions.firestore
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.document('users/{userId}/follows/{followedUserId}')
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.onCreate(async (change, context) => {
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const { userId } = context.params as {
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userId: string
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}
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const { eventId } = context
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const follow = change.data() as { userId: string; timestamp: number }
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const followingUser = await getUser(userId)
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if (!followingUser) throw new Error('Could not find following user')
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await createNotification(
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followingUser.id,
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'follow',
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'created',
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followingUser,
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eventId,
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undefined,
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undefined,
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follow.userId
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)
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})
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