n8n/packages/@n8n/nodes-langchain/nodes/trigger/ChatTrigger/templates.ts
2024-07-09 13:45:41 +02:00

124 lines
3.4 KiB
TypeScript

import type { AuthenticationChatOption, LoadPreviousSessionChatOption } from './types';
export function createPage({
instanceId,
webhookUrl,
showWelcomeScreen,
loadPreviousSession,
i18n: { en },
initialMessages,
authentication,
allowFileUploads,
allowedFilesMimeTypes,
}: {
instanceId: string;
webhookUrl?: string;
showWelcomeScreen?: boolean;
loadPreviousSession?: LoadPreviousSessionChatOption;
i18n: {
en: Record<string, string>;
};
initialMessages: string[];
mode: 'test' | 'production';
authentication: AuthenticationChatOption;
allowFileUploads?: boolean;
allowedFilesMimeTypes?: string;
}) {
const validAuthenticationOptions: AuthenticationChatOption[] = [
'none',
'basicAuth',
'n8nUserAuth',
];
const validLoadPreviousSessionOptions: LoadPreviousSessionChatOption[] = [
'manually',
'memory',
'notSupported',
];
const sanitizedAuthentication = validAuthenticationOptions.includes(authentication)
? authentication
: 'none';
const sanitizedShowWelcomeScreen = !!showWelcomeScreen;
const sanitizedAllowFileUploads = !!allowFileUploads;
const sanitizedAllowedFilesMimeTypes = allowedFilesMimeTypes?.toString() ?? '';
const sanitizedLoadPreviousSession = validLoadPreviousSessionOptions.includes(
loadPreviousSession as LoadPreviousSessionChatOption,
)
? loadPreviousSession
: 'notSupported';
return `<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Chat</title>
<link href="https://cdn.jsdelivr.net/npm/normalize.css@8.0.1/normalize.min.css" rel="stylesheet" />
<link href="https://cdn.jsdelivr.net/npm/@n8n/chat/dist/style.css" rel="stylesheet" />
<style>
html,
body,
#n8n-chat {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<script type="module">
import { createChat } from 'https://cdn.jsdelivr.net/npm/@n8n/chat/dist/chat.bundle.es.js';
(async function () {
const authentication = '${sanitizedAuthentication}';
let metadata;
if (authentication === 'n8nUserAuth') {
try {
const response = await fetch('/rest/login', {
method: 'GET',
headers: { 'browser-id': localStorage.getItem('n8n-browserId') }
});
if (response.status !== 200) {
throw new Error('Not logged in');
}
const responseData = await response.json();
metadata = {
user: {
id: responseData.data.id,
firstName: responseData.data.firstName,
lastName: responseData.data.lastName,
email: responseData.data.email,
},
};
} catch (error) {
window.location.href = '/signin?redirect=' + window.location.href;
return;
}
}
createChat({
mode: 'fullscreen',
webhookUrl: '${webhookUrl}',
showWelcomeScreen: ${sanitizedShowWelcomeScreen},
loadPreviousSession: ${sanitizedLoadPreviousSession !== 'notSupported'},
metadata: metadata,
webhookConfig: {
headers: {
'Content-Type': 'application/json',
'X-Instance-Id': '${instanceId}',
}
},
allowFileUploads: ${sanitizedAllowFileUploads},
allowedFilesMimeTypes: '${sanitizedAllowedFilesMimeTypes}',
i18n: {
${en ? `en: ${JSON.stringify(en)},` : ''}
},
${initialMessages.length ? `initialMessages: ${JSON.stringify(initialMessages)},` : ''}
});
})();
</script>
</body>
</html>`;
}