104 lines
3.0 KiB
TypeScript
104 lines
3.0 KiB
TypeScript
import * as functions from 'firebase-functions'
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import * as admin from 'firebase-admin'
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import { uniq } from 'lodash'
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import { getContract, getUser, getValues } from './utils'
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import { Comment } from '../../common/comment'
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import { sendNewCommentEmail } from './emails'
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import { Bet } from '../../common/bet'
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import { Answer } from '../../common/answer'
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import { createNotification } from './create-notification'
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const firestore = admin.firestore()
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export const onCreateCommentOnContract = functions
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.runWith({ secrets: ['MAILGUN_KEY'] })
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.firestore.document('contracts/{contractId}/comments/{commentId}')
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.onCreate(async (change, context) => {
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const { contractId } = context.params as {
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contractId: string
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}
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const { eventId } = context
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const contract = await getContract(contractId)
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if (!contract)
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throw new Error('Could not find contract corresponding with comment')
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const comment = change.data() as Comment
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const lastCommentTime = comment.createdTime
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const commentCreator = await getUser(comment.userId)
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if (!commentCreator) throw new Error('Could not find comment creator')
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await firestore
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.collection('contracts')
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.doc(contract.id)
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.update({ lastCommentTime, lastUpdatedTime: Date.now() })
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let bet: Bet | undefined
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let answer: Answer | undefined
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if (comment.answerOutcome) {
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answer =
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contract.outcomeType === 'FREE_RESPONSE' && contract.answers
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? contract.answers?.find(
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(answer) => answer.id === comment.answerOutcome
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)
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: undefined
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} else if (comment.betId) {
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const betSnapshot = await firestore
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.collection('contracts')
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.doc(contractId)
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.collection('bets')
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.doc(comment.betId)
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.get()
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bet = betSnapshot.data() as Bet
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answer =
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contract.outcomeType === 'FREE_RESPONSE' && contract.answers
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? contract.answers.find((answer) => answer.id === bet?.outcome)
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: undefined
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}
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const comments = await getValues<Comment>(
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firestore.collection('contracts').doc(contractId).collection('comments')
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)
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const relatedSourceType = comment.replyToCommentId
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? 'comment'
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: comment.answerOutcome
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? 'answer'
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: undefined
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const relatedUserId = comment.replyToCommentId
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? comments.find((c) => c.id === comment.replyToCommentId)?.userId
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: answer?.userId
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await createNotification(
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comment.id,
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'comment',
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'created',
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commentCreator,
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eventId,
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comment.text,
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{ contract, relatedSourceType, relatedUserId }
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)
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const recipientUserIds = uniq([
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contract.creatorId,
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...comments.map((comment) => comment.userId),
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]).filter((id) => id !== comment.userId)
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await Promise.all(
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recipientUserIds.map((userId) =>
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sendNewCommentEmail(
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userId,
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commentCreator,
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contract,
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comment,
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bet,
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answer?.text,
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answer?.id
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)
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)
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)
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})
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