36 lines
1.1 KiB
TypeScript
36 lines
1.1 KiB
TypeScript
import * as admin from 'firebase-admin'
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import { z } from 'zod'
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import { APIError, newEndpoint, validate } from './api'
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import { LimitBet } from '../../common/bet'
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const bodySchema = z.object({
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betId: z.string(),
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})
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export const cancelbet = newEndpoint({}, async (req, auth) => {
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const { betId } = validate(bodySchema, req.body)
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const result = await firestore.runTransaction(async (trans) => {
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const snap = await trans.get(
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firestore.collectionGroup('bets').where('id', '==', betId)
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)
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const betDoc = snap.docs[0]
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if (!betDoc?.exists) throw new APIError(400, 'Bet not found.')
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const bet = betDoc.data() as LimitBet
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if (bet.userId !== auth.uid)
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throw new APIError(400, 'Not authorized to cancel bet.')
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if (bet.limitProb === undefined)
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throw new APIError(400, 'Not a limit order: Cannot cancel.')
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if (bet.isCancelled) throw new APIError(400, 'Bet already cancelled.')
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trans.update(betDoc.ref, { isCancelled: true })
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return { ...bet, isCancelled: true }
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})
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return result
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})
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const firestore = admin.firestore()
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