Files
platform/src/servers/channels/whatsapp/handler.ts
T

294 lines
9.2 KiB
TypeScript

import type { Message as WAMessage } from 'whatsapp-web.js';
import { findUserByIntegrationConfig, readConfigValue } from 'officerdb';
import { sendAndAwait, getSessionModel, setSessionModel } from '../send-and-await';
import { consumePairingCode } from '../pairing';
import { getWhatsAppClient } from './bot';
import { listPiModels } from '@@/api/pi/list-models';
import { enqueueJob } from '../../queue/init';
import { readJob } from '@@/queue/storage';
import { openEmailDb } from '@@/api/email/email-db';
import type { ModelInfo } from '@@/api/pi/types';
import { toShellUsername } from '@@/data-path';
const PAIRING_CODE_PATTERN = /^[A-Z0-9]{6}$/;
const TYPING_INTERVAL_MS = 5_000;
type SendFn = (text: string) => Promise<unknown>;
type AccessPolicy = { allowedModels: string[] };
const ACCESS_POLICY_KEY = 'pi-access-policy';
function extractPhone(waId: string): string {
// WhatsApp ID format: 5511999999999@c.us → 5511999999999
return waId.split('@')[0]!;
}
async function getVisibleModels(): Promise<ModelInfo[]> {
const allModels = await listPiModels();
const policy = await readConfigValue<AccessPolicy>(ACCESS_POLICY_KEY, { allowedModels: [] });
const allowed = policy.allowedModels;
if (allowed.length === 0) return allModels;
const allowedSet = new Set(allowed);
const allowedProviderSet = new Set(allowed.map((key) => key.split(':')[0]));
return allModels.filter((m) => {
const key = `${m.provider}:${m.id}`;
const isExplicitlyAllowed = allowedSet.has(key);
const isFromNewProvider = !allowedProviderSet.has(m.provider);
return isExplicitlyAllowed || isFromNewProvider;
});
}
type CommandContext = {
content: string;
send: SendFn;
userId: number;
email: string;
whatsappId: string;
};
async function handleEmailSync(ctx: CommandContext): Promise<void> {
const { send, email } = ctx;
let countBefore = 0;
try {
const db = openEmailDb(email);
const row = db.query('SELECT COUNT(*) as count FROM emails WHERE deleted = 0').get() as { count: number };
countBefore = row.count;
db.close();
} catch {
// DB might not exist yet
}
await send('Syncing emails...');
const job = await enqueueJob({ lane: 'google-api', type: 'gmail-sync', userId: email });
const poll = async (): Promise<'completed' | 'failed' | 'cancelled'> => {
for (let i = 0; i < 120; i++) {
await new Promise((r) => setTimeout(r, 3000));
const current = await readJob(job.id);
if (!current) return 'failed';
if (current.status === 'completed' || current.status === 'failed' || current.status === 'cancelled') {
return current.status;
}
}
return 'failed';
};
const status = await poll();
if (status !== 'completed') {
await send('Email sync failed. Check the queue dashboard for details.');
return;
}
try {
const db = openEmailDb(email);
const row = db.query('SELECT COUNT(*) as count FROM emails WHERE deleted = 0').get() as { count: number };
const countAfter = row.count;
const newCount = countAfter - countBefore;
if (newCount <= 0) {
db.close();
await send('Sync complete — no new emails.');
return;
}
const newest = db
.query('SELECT from_name, from_address, subject FROM emails WHERE deleted = 0 ORDER BY date DESC LIMIT ?')
.all(Math.min(newCount, 20)) as Array<{ from_name: string | null; from_address: string; subject: string }>;
db.close();
const lines = newest.map((e) => {
const sender = e.from_name || e.from_address;
return `- *${sender}*: ${e.subject}`;
});
let text = `Sync complete — *${newCount}* new email${newCount !== 1 ? 's' : ''}`;
if (newCount > 20) text += ` (showing latest 20)`;
text += `:\n\n${lines.join('\n')}`;
await send(text);
} catch (err) {
await send(`Sync complete but failed to read results: ${err instanceof Error ? err.message : String(err)}`);
}
}
async function handleCommand(ctx: CommandContext): Promise<boolean> {
const { content, send, whatsappId } = ctx;
const lower = content.toLowerCase();
const helpSections: Record<string, string> = {
models:
'*Models:*\n' +
'`!model` — show current model\n' +
'`!model <id>` — switch model\n' +
'`!models` — list available models',
email: '*Email:*\n' + '`!email sync` — sync Gmail and show new emails',
};
if (lower === '!help' || lower.startsWith('!help ')) {
const topic = content.slice('!help'.length).trim().toLowerCase();
if (topic && topic in helpSections) {
await send(helpSections[topic]!);
return true;
}
if (topic) {
await send(
`Unknown topic: \`${topic}\`\nAvailable: ${Object.keys(helpSections)
.map((k) => `\`${k}\``)
.join(', ')}`,
);
return true;
}
const full = Object.values(helpSections).join('\n\n');
await send(full + '\n\n`!help <topic>` — show commands for a topic');
return true;
}
if (lower === '!models') {
const models = await getVisibleModels();
if (models.length === 0) {
await send('No models available.');
return true;
}
const current = getSessionModel('whatsapp', ctx.userId, whatsappId);
const grouped = new Map<string, string[]>();
for (const m of models) {
const list = grouped.get(m.provider) ?? [];
list.push(m.id === current ? `*${m.id}* (current)` : m.id);
grouped.set(m.provider, list);
}
let text = '*Available models:*\n';
for (const [provider, ids] of grouped) {
text += `\n_${provider}_\n${ids.map((id) => ` ${id}`).join('\n')}\n`;
}
text += '\nUse `!model <id>` to switch.';
await send(text);
return true;
}
if (lower === '!model') {
const current = getSessionModel('whatsapp', ctx.userId, whatsappId);
await send(
current
? `Current model: *${current}*`
: 'No active session yet — the default model will be used on your next message.',
);
return true;
}
if (lower.startsWith('!model ')) {
const requested = content.slice('!model '.length).trim();
if (!requested) {
const current = getSessionModel('whatsapp', ctx.userId, whatsappId);
await send(current ? `Current model: *${current}*` : 'No active session yet.');
return true;
}
const models = await getVisibleModels();
const match = models.find((m) => m.id === requested || m.name === requested);
if (!match) {
await send(`Model not found: \`${requested}\`\nUse \`!models\` to see available models.`);
return true;
}
setSessionModel('whatsapp', ctx.userId, whatsappId, match.id);
await send(`Model switched to *${match.id}*. The new model will be used on your next message.`);
return true;
}
if (lower === '!email sync') {
await handleEmailSync(ctx);
return true;
}
return false;
}
export async function handleWhatsAppMessage(msg: WAMessage): Promise<void> {
const waClient = getWhatsAppClient();
if (!waClient) return;
// Ignore group chats, status broadcasts, own messages
if (msg.from.endsWith('@g.us')) return;
if (msg.from === 'status@broadcast') return;
if (msg.fromMe) return;
if (!msg.body) return;
const phone = extractPhone(msg.from);
const content = msg.body.trim();
if (!content) return;
const send: SendFn = (text: string) => waClient.sendMessage(msg.from, text);
// Look up linked Officer user
const linked = await findUserByIntegrationConfig('whatsapp', 'whatsappId', phone);
if (!linked) {
if (PAIRING_CODE_PATTERN.test(content.toUpperCase())) {
const result = await consumePairingCode(content.toUpperCase(), phone);
if (result) {
await send('Account linked! You can now chat with me.');
return;
}
await send('Invalid or expired pairing code. Please generate a new one from Officer Settings.');
return;
}
await send(
"I don't recognize your WhatsApp number. To link it:\n" +
'1. Go to Officer Settings → Integrations → WhatsApp\n' +
'2. Click "Link WhatsApp" to get a pairing code\n' +
'3. Send the 6-character code to me here',
);
return;
}
// Handle commands
if (content.startsWith('!')) {
const handled = await handleCommand({
content,
send,
userId: linked.user.id,
email: linked.user.email,
whatsappId: phone,
});
if (handled) return;
}
// Typing indicator
const sendTyping = async () => {
try {
const chat = await msg.getChat();
await chat.sendStateTyping();
} catch {
// ignore
}
};
const typingInterval = setInterval(sendTyping, TYPING_INTERVAL_MS);
sendTyping();
try {
const result = await sendAndAwait({
userId: linked.user.id,
email: linked.user.email,
username: toShellUsername(linked.user.username ?? '', linked.user.email),
prompt: content,
context: 'whatsapp',
contextId: phone,
});
clearInterval(typingInterval);
// WhatsApp has 65k char limit — no chunking needed
const signature = `\`${result.model}\`\n`;
await send(signature + result.text);
} catch (err) {
clearInterval(typingInterval);
console.error('[whatsapp] Error handling message:', err);
await send('Sorry, something went wrong processing your message.').catch(() => {});
}
}