82 lines
2.0 KiB
TypeScript
82 lines
2.0 KiB
TypeScript
import { PrivateDirectMessage } from './kinds.ts'
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import { getPublicKey } from './pure'
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import * as nip59 from './nip59'
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type Recipient = {
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publicKey: string
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relayUrl?: string
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}
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type ReplyTo = {
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eventId: string
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relayUrl?: string
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}
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function createEvent(
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recipients: Recipient | Recipient[],
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message: string,
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conversationTitle?: string,
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replyTo?: ReplyTo,
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) {
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const baseEvent = {
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kind: PrivateDirectMessage,
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tags: [] as (string | string[])[],
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content: message,
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}
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const recipientsArray = Array.isArray(recipients) ? recipients : [recipients]
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recipientsArray.forEach(({ publicKey, relayUrl }) => {
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baseEvent.tags.push(relayUrl ? ['p', publicKey, relayUrl] : ['p', publicKey])
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})
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if (replyTo) {
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baseEvent.tags.push(['e', replyTo.eventId, replyTo.relayUrl || '', 'reply'])
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}
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if (conversationTitle) {
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baseEvent.tags.push(['subject', conversationTitle])
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}
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return baseEvent
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}
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export function wrapEvent(
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senderPrivateKey: Uint8Array,
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recipient: Recipient,
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message: string,
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conversationTitle?: string,
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replyTo?: ReplyTo,
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) {
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const event = createEvent(recipient, message, conversationTitle, replyTo)
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return nip59.wrapEvent(event, senderPrivateKey, recipient.publicKey)
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}
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export function wrapManyEvents(
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senderPrivateKey: Uint8Array,
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recipients: Recipient[],
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message: string,
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conversationTitle?: string,
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replyTo?: ReplyTo,
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) {
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if (!recipients || recipients.length === 0) {
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throw new Error('At least one recipient is required.')
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}
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const senderPublicKey = getPublicKey(senderPrivateKey)
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// Initialize the wrappeds array with the sender's own wrapped event
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const wrappeds = [wrapEvent(senderPrivateKey, { publicKey: senderPublicKey }, message, conversationTitle, replyTo)]
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// Wrap the event for each recipient
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recipients.forEach(recipient => {
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wrappeds.push(wrapEvent(senderPrivateKey, recipient, message, conversationTitle, replyTo))
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})
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return wrappeds
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}
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export const unwrapEvent = nip59.unwrapEvent
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export const unwrapManyEvents = nip59.unwrapManyEvents
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