manifold/functions/src/on-update-contract.ts
2022-10-03 07:49:26 -06:00

54 lines
1.6 KiB
TypeScript

import * as functions from 'firebase-functions'
import { getUser } from './utils'
import { createCommentOrAnswerOrUpdatedContractNotification } from './create-notification'
import { Contract } from '../../common/contract'
export const onUpdateContract = functions.firestore
.document('contracts/{contractId}')
.onUpdate(async (change, context) => {
const contract = change.after.data() as Contract
const previousContract = change.before.data() as Contract
const { eventId } = context
const { openCommentBounties, closeTime, question } = contract
if (
!previousContract.isResolved &&
contract.isResolved &&
(openCommentBounties ?? 0) > 0
) {
// No need to notify users of resolution, that's handled in resolve-market
return
}
if (
previousContract.closeTime !== closeTime ||
previousContract.question !== question
) {
await handleUpdatedCloseTime(previousContract, contract, eventId)
}
})
async function handleUpdatedCloseTime(
previousContract: Contract,
contract: Contract,
eventId: string
) {
const contractUpdater = await getUser(contract.creatorId)
if (!contractUpdater) throw new Error('Could not find contract updater')
let sourceText = ''
if (previousContract.closeTime !== contract.closeTime && contract.closeTime) {
sourceText = contract.closeTime.toString()
} else if (previousContract.question !== contract.question) {
sourceText = contract.question
}
await createCommentOrAnswerOrUpdatedContractNotification(
contract.id,
'contract',
'updated',
contractUpdater,
eventId,
sourceText,
contract
)
}