manifold/functions/src/emails.ts

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import _ = require('lodash')
import { getProbability } from '../../common/calculate'
import { Contract } from '../../common/contract'
import { CREATOR_FEE } from '../../common/fees'
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import { PrivateUser, User } from '../../common/user'
import { formatMoney, formatPercent } from '../../common/util/format'
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import { sendTemplateEmail, sendTextEmail } from './send-email'
import { getPrivateUser, getUser } from './utils'
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type market_resolved_template = {
userId: string
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name: string
creatorName: string
question: string
outcome: string
payout: string
url: string
}
export const sendMarketResolutionEmail = async (
userId: string,
payout: number,
creator: User,
contract: Contract,
resolution: 'YES' | 'NO' | 'CANCEL' | 'MKT',
resolutionProbability?: number
) => {
const privateUser = await getPrivateUser(userId)
if (
!privateUser ||
privateUser.unsubscribedFromResolutionEmails ||
!privateUser.email
)
return
const user = await getUser(userId)
if (!user) return
const prob = resolutionProbability ?? getProbability(contract.totalShares)
const toDisplayResolution = {
YES: 'YES',
NO: 'NO',
CANCEL: 'N/A',
MKT: formatPercent(prob),
}
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const outcome = toDisplayResolution[resolution]
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const subject = `Resolved ${outcome}: ${contract.question}`
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const templateData: market_resolved_template = {
userId: user.id,
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name: user.name,
creatorName: creator.name,
question: contract.question,
outcome,
payout: `${Math.round(payout)}`,
url: `https://manifold.markets/${creator.username}/${contract.slug}`,
}
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// Modify template here:
// https://app.mailgun.com/app/sending/domains/mg.manifold.markets/templates/edit/market-resolved/initial
// Mailgun username: james@mantic.markets
await sendTemplateEmail(
privateUser.email,
subject,
'market-resolved',
templateData
)
}
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export const sendWelcomeEmail = async (
user: User,
privateUser: PrivateUser
) => {
const firstName = user.name.split(' ')[0]
await sendTextEmail(
privateUser.email || '',
'Welcome to Manifold Markets!',
`Hi ${firstName},
Thanks for joining us! We can't wait to see what markets you create.
Questions? Feedback? I'd love to hear from you - just reply to this email!
Or come chat with us on Discord: https://discord.gg/eHQBNBqXuh
Best,
Austin from Manifold
https://manifold.markets/`
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)
}
export const sendMarketCloseEmail = async (
user: User,
privateUser: PrivateUser,
contract: Contract
) => {
if (
!privateUser ||
privateUser.unsubscribedFromResolutionEmails ||
!privateUser.email
)
return
const { username, name, id: userId } = user
const firstName = name.split(' ')[0]
const { question, pool: pools, slug } = contract
const pool = formatMoney(_.sum(_.values(pools)))
const url = `https://manifold.markets/${username}/${slug}`
await sendTemplateEmail(
privateUser.email,
'Your market has closed',
'market-close',
{
name: firstName,
question,
pool,
url,
userId,
creatorFee: (CREATOR_FEE * 100).toString(),
}
)
}