133 lines
4.2 KiB
TypeScript
133 lines
4.2 KiB
TypeScript
import * as functions from 'firebase-functions'
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import * as admin from 'firebase-admin'
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import { compact } from 'lodash'
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import { getContract, getUser, getValues } from './utils'
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import { ContractComment } from '../../common/comment'
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import { Bet } from '../../common/bet'
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import { Answer } from '../../common/answer'
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import {
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createCommentOrAnswerOrUpdatedContractNotification,
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replied_users_info,
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} from './create-notification'
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import { parseMentions, richTextToString } from '../../common/util/parse'
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import { addUserToContractFollowers } from './follow-market'
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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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await change.ref.update({
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contractSlug: contract.slug,
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contractQuestion: contract.question,
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})
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const comment = change.data() as ContractComment
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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 addUserToContractFollowers(contract.id, commentCreator.id)
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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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await change.ref.update({
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betOutcome: bet.outcome,
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betAmount: bet.amount,
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})
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}
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const comments = await getValues<ContractComment>(
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firestore.collection('contracts').doc(contractId).collection('comments')
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)
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const repliedToType = answer
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? 'answer'
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: comment.replyToCommentId
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? 'comment'
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: undefined
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const repliedUserId = comment.replyToCommentId
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? comments.find((c) => c.id === comment.replyToCommentId)?.userId
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: answer?.userId
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const mentionedUsers = compact(parseMentions(comment.content))
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const repliedUsers: replied_users_info = {}
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// The parent of the reply chain could be a comment or an answer
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if (repliedUserId && repliedToType)
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repliedUsers[repliedUserId] = {
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repliedToType,
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repliedToAnswerText: answer ? answer.text : undefined,
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repliedToId: comment.replyToCommentId || answer?.id,
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bet: bet,
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}
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const commentsInSameReplyChain = comments.filter((c) =>
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repliedToType === 'answer'
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? c.answerOutcome === answer?.id
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: repliedToType === 'comment'
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? c.replyToCommentId === comment.replyToCommentId
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: false
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)
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// The rest of the children in the chain are always comments
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commentsInSameReplyChain.forEach((c) => {
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if (c.userId !== comment.userId && c.userId !== repliedUserId) {
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repliedUsers[c.userId] = {
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repliedToType: 'comment',
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repliedToAnswerText: undefined,
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repliedToId: c.id,
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bet: undefined,
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}
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}
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})
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await createCommentOrAnswerOrUpdatedContractNotification(
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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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richTextToString(comment.content),
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contract,
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{
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repliedUsersInfo: repliedUsers,
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taggedUserIds: mentionedUsers,
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}
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)
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})
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