nostrmarket/static/components/chat-dialog/chat-dialog.js
2023-03-09 10:02:16 +00:00

157 lines
4.5 KiB
JavaScript

async function chatDialog(path) {
const template = await loadTemplateAsync(path)
Vue.component('chat-dialog', {
name: 'chat-dialog',
template,
props: ['account', 'merchant', 'relays'],
data: function () {
return {
dialog: false,
loading: false,
pool: null,
nostrMessages: [],
newMessage: ''
}
},
computed: {
sortedMessages() {
return this.nostrMessages.sort((a, b) => b.timestamp - a.timestamp)
}
},
methods: {
async startDialog() {
this.dialog = true
await this.startPool()
},
async closeDialog() {
this.dialog = false
await this.pool.close(Array.from(this.relays))
},
async startPool() {
this.loading = true
this.pool = new NostrTools.SimplePool()
let messagesMap = new Map()
let sub = this.pool.sub(Array.from(this.relays), [
{
kinds: [4],
authors: [this.account.pubkey]
},
{
kinds: [4],
'#p': [this.account.pubkey]
}
])
sub.on('eose', () => {
this.loading = false
this.nostrMessages = Array.from(messagesMap.values())
})
sub.on('event', async event => {
let mine = event.pubkey == this.account.pubkey
let sender = mine
? event.tags.find(([k, v]) => k === 'p' && v && v !== '')[1]
: event.pubkey
try {
let plaintext
if (this.account.privkey) {
plaintext = await NostrTools.nip04.decrypt(
this.account.privkey,
sender,
event.content
)
} else if (this.account.useExtension && this.hasNip07) {
plaintext = await window.nostr.nip04.decrypt(
sender,
event.content
)
}
messagesMap.set(event.id, {
msg: plaintext,
timestamp: timeFromNow(event.created_at * 1000),
sender: `${mine ? 'Me' : 'Merchant'}`
})
} catch {
console.error('Unable to decrypt message!')
}
})
setTimeout(() => {
this.nostrMessages = Array.from(messagesMap.values())
this.loading = false
}, 5000)
},
async sendMessage() {
if (this.newMessage && this.newMessage.length < 1) return
let event = {
...(await NostrTools.getBlankEvent()),
kind: 4,
created_at: Math.floor(Date.now() / 1000),
tags: [['p', this.merchant]],
pubkey: this.account.pubkey,
content: await this.encryptMsg()
}
event.id = NostrTools.getEventHash(event)
event.sig = this.signEvent(event)
for (const url of Array.from(this.relays)) {
try {
let relay = NostrTools.relayInit(url)
relay.on('connect', () => {
console.debug(`connected to ${relay.url}`)
})
relay.on('error', () => {
console.debug(`failed to connect to ${relay.url}`)
})
await relay.connect()
let pub = relay.publish(event)
pub.on('ok', () => {
console.debug(`${relay.url} has accepted our event`)
})
pub.on('failed', reason => {
console.debug(`failed to publish to ${relay.url}: ${reason}`)
})
this.newMessage = ''
} catch (e) {
console.error(e)
}
}
},
async encryptMsg() {
try {
let cypher
if (this.account.privkey) {
cypher = await NostrTools.nip04.encrypt(
this.account.privkey,
this.merchant,
this.newMessage
)
} else if (this.account.useExtension && this.hasNip07) {
cypher = await window.nostr.nip04.encrypt(
this.merchant,
this.newMessage
)
}
return cypher
} catch (e) {
console.error(e)
}
},
async signEvent(event) {
if (this.account.privkey) {
event.sig = await NostrTools.signEvent(event, this.account.privkey)
} else if (this.account.useExtension && this.hasNip07) {
event = await window.nostr.signEvent(event)
}
return event
}
},
created() {
setTimeout(() => {
if (window.nostr) {
this.hasNip07 = true
}
}, 1000)
}
})
}