f2afb11e71
When a triggered message comes in, fetch all messages in that chat since the last agent interaction and include them in the prompt. Each message is formatted with timestamp and sender. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
85 lines
2.7 KiB
TypeScript
85 lines
2.7 KiB
TypeScript
import Database from 'better-sqlite3';
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import fs from 'fs';
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import path from 'path';
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import { proto } from '@whiskeysockets/baileys';
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import { NewMessage } from './types.js';
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import { STORE_DIR } from './config.js';
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let db: Database.Database;
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export function initDatabase(): void {
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const dbPath = path.join(STORE_DIR, 'messages.db');
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fs.mkdirSync(path.dirname(dbPath), { recursive: true });
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db = new Database(dbPath);
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db.exec(`
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CREATE TABLE IF NOT EXISTS chats (
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jid TEXT PRIMARY KEY,
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name TEXT,
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last_message_time TEXT
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);
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CREATE TABLE IF NOT EXISTS messages (
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id TEXT,
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chat_jid TEXT,
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sender TEXT,
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content TEXT,
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timestamp TEXT,
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is_from_me INTEGER,
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PRIMARY KEY (id, chat_jid),
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FOREIGN KEY (chat_jid) REFERENCES chats(jid)
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);
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CREATE INDEX IF NOT EXISTS idx_timestamp ON messages(timestamp);
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`);
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}
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export function storeMessage(msg: proto.IWebMessageInfo, chatJid: string, isFromMe: boolean): void {
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if (!msg.key) return;
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const content =
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msg.message?.conversation ||
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msg.message?.extendedTextMessage?.text ||
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msg.message?.imageMessage?.caption ||
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msg.message?.videoMessage?.caption ||
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'';
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const timestamp = new Date(Number(msg.messageTimestamp) * 1000).toISOString();
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const sender = msg.key.participant || msg.key.remoteJid || '';
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const msgId = msg.key.id || '';
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db.prepare(`INSERT OR REPLACE INTO chats (jid, name, last_message_time) VALUES (?, ?, ?)`)
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.run(chatJid, chatJid, timestamp);
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db.prepare(`INSERT OR REPLACE INTO messages (id, chat_jid, sender, content, timestamp, is_from_me) VALUES (?, ?, ?, ?, ?, ?)`)
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.run(msgId, chatJid, sender, content, timestamp, isFromMe ? 1 : 0);
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}
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export function getNewMessages(jids: string[], lastTimestamp: string): { messages: NewMessage[]; newTimestamp: string } {
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if (jids.length === 0) return { messages: [], newTimestamp: lastTimestamp };
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const placeholders = jids.map(() => '?').join(',');
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const sql = `
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SELECT id, chat_jid, sender, content, timestamp
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FROM messages
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WHERE timestamp > ? AND chat_jid IN (${placeholders})
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ORDER BY timestamp
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`;
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const rows = db.prepare(sql).all(lastTimestamp, ...jids) as NewMessage[];
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let newTimestamp = lastTimestamp;
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for (const row of rows) {
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if (row.timestamp > newTimestamp) newTimestamp = row.timestamp;
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}
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return { messages: rows, newTimestamp };
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}
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export function getMessagesSince(chatJid: string, sinceTimestamp: string): NewMessage[] {
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const sql = `
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SELECT id, chat_jid, sender, content, timestamp
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FROM messages
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WHERE chat_jid = ? AND timestamp > ?
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ORDER BY timestamp
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`;
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return db.prepare(sql).all(chatJid, sinceTimestamp) as NewMessage[];
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}
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