Merge branch 'master' of bitbucket.org and resolved conflicts

This commit is contained in:
Ravi Gulhane 2026-07-01 16:43:22 +05:30
commit 347005322a
23 changed files with 1559 additions and 47 deletions

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@ -27,7 +27,7 @@ Node.js backend for EventBuzz built with **Hapi.js** and **MongoDB** (Mongoose),
```bash
npm run dev
```
Server runs at `http://localhost:3001` (or `PORT` from `.env`).
Server runs at `http://localhost:3002` (or `PORT` from `.env`).
4. **Multi-tenant backfill (after pulling schema that requires org on forms/speakers)**
Run once against your database before restart if you have legacy rows:

2
package-lock.json generated
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@ -17,7 +17,7 @@
"bcrypt": "^5.1.1",
"bullmq": "^5.34.5",
"cheerio": "^1.0.0",
"dotenv": "^16.3.1",
"dotenv": "^16.6.1",
"firebase-admin": "^13.0.0",
"google-auth-library": "^9.14.0",
"hapi-auth-jwt2": "^10.2.0",

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@ -18,30 +18,30 @@
"badge-batch-worker": "node src/workers/badgeBatchWorker.js"
},
"dependencies": {
"@napi-rs/canvas": "^0.1.56",
"archiver": "^7.0.1",
"@aws-sdk/client-bedrock-runtime": "^3.1030.0",
"@aws-sdk/client-s3": "^3.1012.0",
"@aws-sdk/lib-storage": "^3.1012.0",
"@hapi/hapi": "^21.3.0",
"@napi-rs/canvas": "^0.1.56",
"archiver": "^7.0.1",
"bcrypt": "^5.1.1",
"bullmq": "^5.34.5",
"cheerio": "^1.0.0",
"ioredis": "^5.4.2",
"mathjs": "^14.0.1",
"pdf-parse": "^1.1.1",
"dotenv": "^16.3.1",
"dotenv": "^16.6.1",
"firebase-admin": "^13.0.0",
"google-auth-library": "^9.14.0",
"hapi-auth-jwt2": "^10.2.0",
"ioredis": "^5.4.2",
"joi": "^17.13.0",
"jsonwebtoken": "^9.0.2",
"mathjs": "^14.0.1",
"mongoose": "^8.0.0",
"pdf-lib": "^1.17.1",
"node-cron": "^3.0.3",
"nodemailer": "^6.9.7",
"officeparser": "^5.1.1",
"otplib": "^12.0.1",
"pdf-lib": "^1.17.1",
"pdf-parse": "^1.1.1",
"qrcode": "^1.5.4",
"razorpay": "^2.9.6",
"sharp": "^0.33.5",

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@ -124,6 +124,11 @@
try { localStorage.setItem(storageKey, sessionId); } catch {}
}
addMessage('assistant', (res.json.data && res.json.data.reply) ? res.json.data.reply : '…');
// Log detected intent to browser console when backend returns it
if (res.json.data && res.json.data.intent) {
// eslint-disable-next-line no-console
console.info('[EventBuzz Concierge] detected intent:', res.json.data.intent);
}
}).catch(function (e) {
sendBtn.disabled = false;
setError(e && e.message ? e.message : 'Network error');

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@ -0,0 +1,18 @@
require('dotenv').config();
const mongoose = require('mongoose');
async function main() {
const mongoUrl = process.env.MONGODB_URI || process.env.MONGO_URL || process.env.MONGO_URI || 'mongodb://localhost:27017/eventbuzz';
await mongoose.connect(mongoUrl, { useNewUrlParser: true, useUnifiedTopology: true });
console.log('Connected to', mongoUrl);
const KnowledgeSource = require('../src/models/KnowledgeSource');
const docs = await KnowledgeSource.find({ type: 'food' }).lean();
console.log('Found', docs.length, 'food sources');
console.log(JSON.stringify(docs, null, 2));
await mongoose.disconnect();
}
main().catch((err) => {
console.error('Error', err);
process.exit(1);
});

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@ -0,0 +1,39 @@
require('dotenv').config();
const mongoose = require('mongoose');
async function main() {
const mongoUrl = process.env.MONGODB_URI || process.env.MONGO_URL || process.env.MONGO_URI || 'mongodb://localhost:27017/eventbuzz';
await mongoose.connect(mongoUrl, { useNewUrlParser: true, useUnifiedTopology: true });
console.log('Connected to', mongoUrl);
const ConciergeBot = require('../src/models/ConciergeBot');
const KnowledgeSource = require('../src/models/KnowledgeSource');
const bots = await ConciergeBot.find({}).lean();
console.log('Found', bots.length, 'chatbots');
for (const b of bots) {
const eventId = b.event && b.event._id ? b.event._id : b.event;
if (!eventId) continue;
const existing = await KnowledgeSource.findOne({ eventId, type: 'food' }).lean();
if (existing) {
console.log('Bot', b._id, 'already has food source', existing._id);
continue;
}
const doc = {
eventId,
type: 'food',
sourcePath: String(eventId),
displayName: 'Food Recommendations',
status: 'PENDING',
};
const created = await KnowledgeSource.create(doc);
console.log('Created food source for bot', b._id, 'sourceId', created._id);
}
await mongoose.disconnect();
}
main().catch((err) => {
console.error('Error', err);
process.exit(1);
});

20
scripts/list-sources.js Normal file
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@ -0,0 +1,20 @@
require('dotenv').config();
const mongoose = require('mongoose');
async function main() {
const mongoUrl = process.env.MONGODB_URI || process.env.MONGO_URL || process.env.MONGO_URI || 'mongodb://localhost:27017/eventbuzz';
await mongoose.connect(mongoUrl, { useNewUrlParser: true, useUnifiedTopology: true });
console.log('Connected to', mongoUrl);
const KnowledgeSource = require('../src/models/KnowledgeSource');
const docs = await KnowledgeSource.find({}).sort({ eventId: 1, type: 1 }).lean();
console.log('Total sources:', docs.length);
for (const d of docs) {
console.log(JSON.stringify({ _id: String(d._id), eventId: String(d.eventId), type: d.type, displayName: d.displayName, status: d.status }, null, 2));
}
await mongoose.disconnect();
}
main().catch((err) => {
console.error('Error', err);
process.exit(1);
});

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@ -0,0 +1,17 @@
require('dotenv').config();
(async () => {
const id = process.argv[2];
if (!id) {
console.error('Usage: node run-ingest-single.js <sourceId>');
process.exit(2);
}
try {
const { runConciergeIngest } = require('../src/utils/conciergeIngest');
console.log('Running ingest for', id);
const res = await runConciergeIngest(id);
console.log('Ingest result:', res);
} catch (e) {
console.error('Ingest error:', e);
process.exit(1);
}
})();

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@ -0,0 +1,42 @@
require('dotenv').config();
const { MongoClient } = require('mongodb');
(async () => {
try {
const MONGO_URL = process.env.MONGODB_URI || 'mongodb://realworldmodb:pjTzlem85s@64.227.152.139:27017/reallives_serverless_eb?authSource=admin';
const client = new MongoClient(MONGO_URL, { useNewUrlParser: true, useUnifiedTopology: true });
await client.connect();
const db = client.db('reallives_serverless_eb');
const coll = db.collection('Food');
const doc = await coll.findOne({ eventId: '69ce3c91be56b4a3b09b2333' });
if (!doc) {
console.log('No food document found');
await client.close();
process.exit(0);
}
console.log('Document ID:', doc._id);
console.log('Event ID:', doc.eventId);
console.log('Location:', doc.location);
console.log('Number of places:', doc.places?.length || 0);
console.log('\nRecommendations:\n', doc.recommendations || 'None');
console.log('');
console.log('Full document JSON:\n', JSON.stringify(doc, null, 2));
console.log('\nPlaces sample (first 5):');
(doc.places || []).slice(0, 5).forEach((p, i) => {
console.log(` ${i+1}. ${p.name}`);
console.log(` Address: ${p.address}`);
console.log(` Rating: ${p.rating}/5 (${p.user_ratings_total} reviews)`);
console.log(` Cuisines: ${p.cuisines?.join(', ')}`);
console.log(` Distance: ${(p.distance_meters / 1000).toFixed(2)} km`);
console.log('');
});
await client.close();
} catch (e) {
console.error('Error:', e.message);
process.exit(1);
}
})();

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@ -288,6 +288,7 @@ const deleteSource = async (request, h) => {
};
const syncSource = async (request, h) => {
console.log('[concierge] syncSource called', { params: request.params, payload: request.payload });
const { bot, err } = await getBotForUser(request.params.botId, request.auth.credentials.user);
if (err) return h.response(error(err.code, err.message)).code(err.status);
const eventId = bot.event._id || bot.event;
@ -295,6 +296,7 @@ const syncSource = async (request, h) => {
_id: request.params.sourceId,
eventId,
});
console.log('[concierge] syncSource resolved source', source && { _id: source._id, type: source.type, displayName: source.displayName });
if (!source) return h.response(error('NOT_FOUND', 'Source not found')).code(404);
source.status = 'PENDING';
source.errorMessage = null;
@ -305,7 +307,16 @@ const syncSource = async (request, h) => {
eventId: String(eventId),
type: source.type,
});
try {
const { runConciergeIngest } = require('../utils/conciergeIngest');
await runConciergeIngest(String(source._id));
const refreshed = await KnowledgeSource.findById(source._id).lean();
return h.response(success(refreshed, 'Sync completed'));
} catch (e) {
console.warn('[concierge] syncSource immediate ingest failed:', e.message || e);
return h.response(success(source, 'Sync queued'));
}
};
const listChunks = async (request, h) => {
@ -378,6 +389,7 @@ const clearKnowledge = async (request, h) => {
};
const syncEventKnowledge = async (request, h) => {
console.log('[concierge] syncEventKnowledge called', { params: request.params });
const { bot, err } = await getBotForUser(request.params.botId, request.auth.credentials.user);
if (err) return h.response(error(err.code, err.message)).code(err.status);
if (bot.knowledge?.includeEventDetails === false) {
@ -392,31 +404,102 @@ const syncEventKnowledge = async (request, h) => {
}
const eventId = bot.event._id || bot.event;
const programmeDisplayName = 'Event programme & links';
let source = await KnowledgeSource.findOne({ eventId, type: 'event' });
async function ensureSource(type, displayName) {
let source = await KnowledgeSource.findOne({ eventId, type });
if (!source) {
source = await KnowledgeSource.create({
eventId,
type: 'event',
type,
sourcePath: String(eventId),
displayName: programmeDisplayName,
displayName,
status: 'PENDING',
});
} else {
source.status = 'PENDING';
source.errorMessage = null;
source.displayName = programmeDisplayName;
source.displayName = displayName;
await source.save();
}
bot.knowledge = bot.knowledge || {};
bot.knowledge.lastEventSnapshotAt = new Date();
await bot.save();
await enqueueConciergeIngest({
sourceId: String(source._id),
botId: String(bot._id),
eventId: String(eventId),
type: 'event',
type,
});
return h.response(success(source, 'Event programme sync queued'));
return source;
}
const eventSource = await ensureSource('event', programmeDisplayName);
bot.knowledge = bot.knowledge || {};
bot.knowledge.lastEventSnapshotAt = new Date();
if (bot.knowledge?.includeFoodRecommendations !== false) {
await ensureSource('food', 'Food Recommendations');
bot.knowledge.lastFoodSnapshotAt = new Date();
}
await bot.save();
return h.response(success(eventSource, 'Event programme sync queued'));
};
const syncFoodKnowledge = async (request, h) => {
console.log('[concierge] syncFoodKnowledge called', { params: request.params });
const { bot, err } = await getBotForUser(
request.params.botId,
request.auth.credentials.user
);
if (err) {
return h.response(error(err.code, err.message)).code(err.status);
}
if (bot.knowledge?.includeFoodRecommendations === false) {
return h.response(
error('VALIDATION_ERROR', 'Food recommendations are disabled'),
).code(400);
}
const eventId = bot.event._id || bot.event;
let source = await KnowledgeSource.findOne({
eventId,
type: 'food',
});
if (!source) {
source = await KnowledgeSource.create({
eventId,
type: 'food',
sourcePath: String(eventId),
displayName: 'Food Recommendations',
status: 'PENDING',
});
} else {
source.status = 'PENDING';
source.errorMessage = null;
source.displayName = 'Food Recommendations';
await source.save();
}
console.log('[concierge] syncFoodKnowledge resolved source', { _id: source._id, type: source.type, displayName: source.displayName });
await enqueueConciergeIngest({
sourceId: String(source._id),
botId: String(bot._id),
eventId: String(eventId),
type: 'food',
});
// Also attempt immediate ingestion for food so the UI doesn't stay PENDING
try {
const { runConciergeIngest } = require('../utils/conciergeIngest');
await runConciergeIngest(String(source._id));
const refreshed = await KnowledgeSource.findById(source._id).lean();
return h.response(success(refreshed, 'Food sync completed'));
} catch (e) {
// Ingest failed or worker not running; return queued response
return h.response(success(source, 'Food sync queued'));
}
};
module.exports = {
@ -436,4 +519,5 @@ module.exports = {
approveSource,
clearKnowledge,
syncEventKnowledge,
syncFoodKnowledge,
};

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@ -4,7 +4,7 @@ const ConciergeBot = require('../models/ConciergeBot');
const Event = require('../models/Event');
const WebChatSession = require('../models/WebChatSession');
const { success, error } = require('../utils/response');
const { executeConciergeRag } = require('../services/conciergeRag.service');
const { runConciergePipeline } = require('../services/conciergePipeline.service');
const { interpolateConciergeGreeting } = require('../utils/conciergeGreeting');
const MAX_MESSAGE_LENGTH = 800;
@ -103,36 +103,65 @@ const chat = async (request, h) => {
const historyForPrompt = session.history.slice(-12).map((m) => ({ role: m.role, text: m.text }));
const includeEventDetails = bot.knowledge?.includeEventDetails !== false;
const includeFoodRecommendations = bot.knowledge?.includeFoodRecommendations !== false;
const ragResult = await executeConciergeRag(String(bot.event), msg, event?.name || 'Event', {
includeEventDetails,
history: historyForPrompt,
const { determineIntentCategory } = require('../utils/conciergeIntent');
const last6ForIntent = session.history.slice(-6).map((m) => ({
role: m.role,
text: m.text,
}));
const intentResult = await determineIntentCategory(last6ForIntent);
const intentCategory = intentResult?.category || 'unrecognized';
if (intentResult?.databaseSearchNeeded) {
console.log('[concierge] database search needed for intent:', intentCategory);
}
// Web console / backend terminal debugging: show intent classification for each inbound chat message.
console.log('[concierge][intent]', {
botId: String(bot._id),
sessionId,
message: msg,
intent: intentCategory,
databaseSearchNeeded: Boolean(intentResult?.databaseSearchNeeded),
});
const answerText =
ragResult?.text ||
"I don't have that in my knowledge base yet. Please check with event staff or try another question.";
const pipelineResult = await runConciergePipeline({
eventId: String(bot.event),
eventName: event?.name || 'Event',
bot,
sessionHistory: session.history.map((m) => ({ role: m.role, text: m.text })),
});
const answerText = pipelineResult?.text || "I don't have that in my knowledge base yet. Please check with event staff or try another question.";
const reply = String(answerText || '').trim().slice(0, 1200);
const inTok = ragResult?.usage?.inputTokens || 0;
const outTok = ragResult?.usage?.outputTokens || 0;
const inTok = pipelineResult?.usage?.inputTokens || 0;
const outTok = pipelineResult?.usage?.outputTokens || 0;
session.inputTokensTotal = Number(session.inputTokensTotal || 0) + Number(inTok || 0);
session.outputTokensTotal = Number(session.outputTokensTotal || 0) + Number(outTok || 0);
session.history.push({
role: 'assistant',
text: reply,
ts: new Date(),
modelId: ragResult?.modelId || null,
modelId: pipelineResult?.modelId || null,
inputTokens: inTok,
outputTokens: outTok,
});
if (session.history.length > MAX_HISTORY_MESSAGES) {
session.history = session.history.slice(-MAX_HISTORY_MESSAGES);
}
await session.save();
return h.response(success({ sessionId, reply, usage: ragResult?.usage || null }));
return h.response(success({ sessionId, reply, usage: pipelineResult?.usage || null, intent: intentCategory }));
};
module.exports = {
config,
chat,

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@ -34,6 +34,7 @@ const conciergeBotSchema = new mongoose.Schema(
},
knowledge: {
includeEventDetails: { type: Boolean, default: true },
includeFoodRecommendations: { type: Boolean, default: true},
lastEventSnapshotAt: Date,
},
lastKnowledgeClearedAt: Date,

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@ -10,7 +10,7 @@ const knowledgeSourceSchema = new mongoose.Schema(
},
type: {
type: String,
enum: ['url', 'pdf', 'event'],
enum: ['url', 'pdf', 'event','food'],
required: true,
},
sourcePath: { type: String, required: true },

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@ -13,6 +13,7 @@ const registrationSchema = Joi.object({
const knowledgeSchema = Joi.object({
includeEventDetails: Joi.boolean(),
includeFoodRecommendations: Joi.boolean(),
});
const createPayload = Joi.object({
@ -65,4 +66,5 @@ module.exports = [
{ method: 'POST', path: '/api/concierge-bots/{botId}/sources/{sourceId}/approve', options: { handler: controller.approveSource } },
{ method: 'POST', path: '/api/concierge-bots/{botId}/knowledge/clear', options: { handler: controller.clearKnowledge } },
{ method: 'POST', path: '/api/concierge-bots/{botId}/knowledge/sync-event', options: { handler: controller.syncEventKnowledge } },
{ method: "POST", path: "/api/concierge-bots/{botId}/knowledge/food-sync", options: { handler: controller.syncFoodKnowledge} }
];

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@ -0,0 +1,278 @@
const { executeConciergeRag } = require('./conciergeRag.service');
const { determineIntentCategory } = require('../utils/conciergeIntent');
const { getFoodRecommendations } = require('./foodRecommendationService');
const { fetchFoodRecordForEvent } = require('./foodDb.service');
/**
* Pipeline: classify intent -> fetch data -> generate response via LLM.
*
* Intent categories:
* - Event Information
* - Personal Information
* - Food
* - Places
* - unrecognized
*/
async function runConciergePipeline({ eventId, eventName, bot, sessionHistory }) {
const historyForIntent = Array.isArray(sessionHistory) ? sessionHistory.slice(-10) : [];
// IMPORTANT: Always use the latest user message in the current request.
const userQuestion = historyForIntent.slice(-1)?.[0]?.text || '';
const intentResult = await determineIntentCategory(
historyForIntent.map((m) => ({ role: m.role, text: m.text })),
);
const intentCategory = intentResult?.category || 'unrecognized';
const includeFoodRecommendations = bot?.knowledge?.includeFoodRecommendations !== false;
const historyForRag = Array.isArray(sessionHistory)
? sessionHistory.slice(-12).map((m) => ({ role: m.role, text: m.text }))
: [];
// 1) Fetch data for the intent (Food uses external DB, others are blank for now)
let dataBlock = '';
if (intentCategory === 'Food') {
const existing = await fetchFoodRecordForEvent(eventId);
const isExpired =
existing?.generatedAt &&
Date.now() - new Date(existing.generatedAt).getTime() > 24 * 60 * 60 * 1000;
if (existing?.recommendations && !isExpired) {
dataBlock = `Food knowledge (ground truth / fetched):\n${existing.recommendations}`;
// Add structured restaurant/place records (names + cuisines + review snippets)
// so the matching logic can reference persisted dataset entries directly.
if (Array.isArray(existing.restaurants) && existing.restaurants.length) {
const placesBlock = existing.restaurants
.map((p, i) => {
const cuisines = Array.isArray(p.cuisines)
? p.cuisines.join(', ')
: p.cuisines || '';
const topReviews = Array.isArray(p.reviews) ? p.reviews.slice(0, 2) : [];
const reviewsText = topReviews
.map((r) => `- ${r.author_name} (${r.rating || 'N/A'}): ${r.summary || r.text || ''}`)
.join('\n');
return `\n${i + 1}) ${p.name}\n Cuisines: ${cuisines || 'N/A'}\n Rating: ${p.rating || 'N/A'} (${p.user_ratings_total || 0} reviews)\n Address: ${p.address || 'N/A'}\n Reviews (up to 2):\n${reviewsText || '- N/A'}\n`;
})
.join('');
dataBlock += `\n\nFood places records (use ONLY these names when recommending):\n${placesBlock}`;
}
} else {
// Best-effort location string; foodRecommendationService will geocode & persist.
const location = bot?.eventLocation || bot?.location || '';
const foodText = location
? await getFoodRecommendations(location, eventId)
: await getFoodRecommendations('', eventId);
dataBlock = `Food knowledge (ground truth / fetched):\n${foodText}`;
}
}
// 2) Generate response
if (intentCategory === 'Food') {
const questionLower = String(userQuestion || '').toLowerCase();
// Minimal dish-key extraction for deterministic matching.
// This is intentionally conservative: only match dishes we can reliably ground from DB context.
// For broad queries like "South Indian breakfast", we map to common dish keywords.
const dishKeys = [];
const pushUnique = (k) => {
if (!k) return;
if (!dishKeys.includes(k)) dishKeys.push(k);
};
// Misal
if (questionLower.includes('misal')) pushUnique('misal');
// Pav bhaji / bhaji
if (questionLower.includes('pav bhaji') || questionLower.includes('bhaji')) pushUnique('pav bhaji');
// Biryani
if (questionLower.includes('biryani')) pushUnique('biryani');
// South Indian breakfast / common South Indian dishes
if (questionLower.includes('idli')) pushUnique('idli');
if (questionLower.includes('dosa')) pushUnique('dosa');
if (questionLower.includes('vada') || questionLower.includes('vada pav')) pushUnique('vada');
if (questionLower.includes('vada pav')) pushUnique('vada pav');
if (questionLower.includes('uttapam')) pushUnique('uttapam');
if (questionLower.includes('sambar')) pushUnique('sambar');
if (questionLower.includes('chutney')) pushUnique('chutney');
if (questionLower.includes('upma')) pushUnique('upma');
if (questionLower.includes('pongal')) pushUnique('pongal');
// If explicitly asked for South Indian breakfast but no specific dish keywords are present,
// still attempt a deterministic search using a small set of very common keywords.
if (dishKeys.length === 0 && /south\s*indian/.test(questionLower)) {
['idli', 'dosa', 'vada', 'uttapam', 'sambar'].forEach(pushUnique);
}
const dishKey = dishKeys.length === 1 ? dishKeys[0] : null;
// Deterministic dish->place+review matching using the persisted DB-context text.
// IMPORTANT: Create human-like review bullets by removing the reviewer name.
// Example input stored format:
// "- Questraveler Questraveler (4): Perfect place ..."
// Output bullet should be:
// "- (4): Perfect place ..."
if (dishKey) {
const matches = [];
const blockStart = String(dataBlock || '').indexOf('Food places records');
if (blockStart !== -1) {
const placesSection = String(dataBlock || '').slice(blockStart);
const placeChunks = placesSection.split(/\n\s*\d+\)\s+/).slice(1);
const dishRegex = new RegExp(
`\\b${dishKey.replace(/[-/\\^$*+?.()|[\\]{}]/g, '\\$&')}\\b`,
'i',
);
for (const chunk of placeChunks) {
const chunkText = String(chunk || '');
const nameLine = chunkText.split('\n')[0] || '';
const placeName = nameLine.trim();
if (!placeName) continue;
if (dishRegex.test(chunkText)) {
const reviewLines = chunkText
.split('\n')
.filter((l) => dishRegex.test(l))
.slice(0, 2);
matches.push({ placeName, reviewSnippets: reviewLines });
}
}
}
if (matches.length) {
const parts = matches.map((m) => {
const reviews = !m.reviewSnippets.length
? '- (review snippet not available)'
: m.reviewSnippets
.map((s) => String(s || '').trim())
.filter(Boolean)
.map((line) => {
// strip leading "- <author> (<rating>): "
// keep "- (<rating>): <text>" or similar.
// Works for common patterns: "- Name (4): text"
const cleaned = line
.replace(/^[-\s]*[^:]+\(([^)]*)\):\s*/g, '($1): ')
.replace(/^[-\s]*[^:]+:\s*/g, '');
// Ensure bullet format
return `- ${cleaned.replace(/^[-\s]*/, '').trim()}`;
})
.join('\n');
return `• ${m.placeName}\n${reviews}`;
});
return {
intent: intentCategory,
text: `🍽 Best match for ${userQuestion.trim()}\n\n${parts.join('\n\n')}`,
usage: null,
modelId: null,
};
}
}
// If dish-specific matching didn’t find anything, fall back to LLM using only context.
// (LLM fallback prompt should avoid refusal phrasing.)
const responseModelId = 'meta.llama3-8b-instruct-v1:0';
const { createBedrockClient, getBedrockConfig } = require('../utils/bedrockClient');
const { converse, responseText } = require('../utils/bedrockConverse');
const { region } = getBedrockConfig();
const client = createBedrockClient(region);
const foodSystemPrompt = `You are a food concierge for an event assistant.
You will be given a food recommendations context.
Your job is to answer the CURRENT USER QUESTION using ONLY information from the context.
GROUNDING RULES (MUST FOLLOW):
1) Do NOT invent restaurants, dishes, or addresses.
2) Only recommend dishes/foods or restaurants that appear in the provided context.
If the exact dish/restaurant requested is NOT clearly present in the context, do NOT say a refusal sentence. Instead:
- Suggest the closest dishes/foods that ARE present in the provided context.
- If you can't find any relevant dish from the context, say you don't have relevant recommendations from the provided list.
Return ONLY plain text (no JSON).`;
const userText = `CURRENT USER QUESTION:\n${userQuestion}\n\nFOOD RECOMMENDATIONS CONTEXT (do not invent beyond this):\n${dataBlock}`;
try {
const response = await converse(client, responseModelId, {
system: [{ text: foodSystemPrompt }],
messages: [{ role: 'user', content: [{ text: userText }] }],
inferenceConfig: {
temperature: 0.4,
topP: 0.9,
maxTokens: 500,
},
});
return {
intent: intentCategory,
text: responseText(response).trim(),
usage: null,
modelId: responseModelId,
};
} catch (e) {
console.warn('[pipeline][food] Bedrock failed; falling back to deterministic formatting:', e?.message || e);
}
return {
intent: intentCategory,
text: `🍽 Food suggestions are currently unavailable for this event.`,
usage: null,
modelId: null,
};
}
if (
intentCategory === 'Event Information' ||
intentCategory === 'Personal Information' ||
intentCategory === 'Places'
) {
const includeEventDetails = bot?.knowledge?.includeEventDetails !== false;
const ragResult = await executeConciergeRag(eventId, userQuestion, eventName, {
includeEventDetails,
includeFoodRecommendations,
history: historyForRag,
promptIntent: intentCategory,
});
return {
intent: intentCategory,
text:
ragResult?.text ||
"I don't have that in my knowledge base yet. Please check with event staff or try another question.",
usage: ragResult?.usage || null,
modelId: ragResult?.modelId || null,
};
}
return {
intent: intentCategory,
text: 'Hi! Tell me what you’re looking for (food, directions, schedule, or your ticket/check-in).',
usage: null,
modelId: null,
};
}
module.exports = {
runConciergePipeline,
};

View File

@ -54,10 +54,11 @@ function extractUsage(response) {
* @param {string} eventId
* @param {string} userQuery
* @param {string} eventName
* @param {{ includeEventDetails?: boolean, history?: { role: 'user'|'assistant', text: string }[] }} [options]
* @param {{ includeEventDetails?: boolean, includeFoodRecommendations?: boolean, history?: { role: 'user'|'assistant', text: string }[] }} [options]
*/
async function executeConciergeRag(eventId, userQuery, eventName, options = {}) {
const includeEventDetails = options.includeEventDetails !== false;
const includeFoodRecommendations = options.includeFoodRecommendations !== false;
const history = Array.isArray(options.history) ? options.history : [];
const { embeddings, modelId: embedModelId } = await embedTexts([userQuery]);
@ -74,14 +75,39 @@ async function executeConciergeRag(eventId, userQuery, eventName, options = {})
],
};
const excludedSourceIds = [];
if (!includeEventDetails) {
const eventSource = await KnowledgeSource.findOne({ eventId, type: 'event' }).select('_id').lean();
if (eventSource) chunkFilter.sourceId = { $ne: eventSource._id };
if (eventSource) excludedSourceIds.push(eventSource._id);
}
if (!includeFoodRecommendations) {
const foodSource = await KnowledgeSource.findOne({ eventId, type: 'food' }).select('_id').lean();
if (foodSource) excludedSourceIds.push(foodSource._id);
}
if (excludedSourceIds.length) {
chunkFilter.sourceId = { $nin: excludedSourceIds };
}
// Debug: confirm why RAG can short-circuit before reaching the LLM.
// (Keep this log lightweight; remove later if noisy.)
try {
const totalActiveForEvent = await ContextChunk.countDocuments({ eventId, isActive: true });
const matchingChunksCount = await ContextChunk.countDocuments(chunkFilter);
console.log('[conciergeRag][debug] RAG chunk gating', {
eventId,
isActive: true,
embedModelId,
totalActiveForEvent,
matchingChunksCount,
});
} catch (e) {
console.warn('[conciergeRag][debug] chunk gating log failed:', e?.message || e);
}
const activeChunks = await ContextChunk.find(chunkFilter).lean();
if (!activeChunks.length) return null;
const ranked = activeChunks
.map((chunk) => ({ text: chunk.rawText, score: cosineSimilarity(queryEmbedding, chunk.embedding) }))
.sort((a, b) => b.score - a.score)
@ -90,7 +116,10 @@ async function executeConciergeRag(eventId, userQuery, eventName, options = {})
const contextBlock = ranked.map((c) => c.text).join('\n\n');
const { region, modelId: configuredId } = getBedrockConfig();
const client = createBedrockClient(region);
const system = buildConciergeSystemPrompt(eventName);
// Pass intent/category so the concierge system prompt can be specialized.
const system = buildConciergeSystemPrompt(eventName, options.promptIntent || 'general');
const eventFacts = await buildEventFactsBlock(eventId);
const historyBlock = history

View File

@ -0,0 +1,55 @@
const { MongoClient } = require('mongodb');
const DEFAULT_EXTERNAL_DB_NAME = 'reallives_serverless_eb';
const DEFAULT_EXTERNAL_COLLECTION = 'Food';
function getExternalMongoUri() {
return process.env.MONGODB_URI || '';
}
function getCollection() {
return process.env.FOOD_EXTERNAL_COLLECTION || DEFAULT_EXTERNAL_COLLECTION;
}
function getDbName() {
return process.env.FOOD_EXTERNAL_DB || DEFAULT_EXTERNAL_DB_NAME;
}
/**
* Fetch existing food record for an event from external DB.
*
* @param {string} eventId
* @returns {Promise<{ location?: string, recommendations?: string, restaurants?: any[], raw?: any } | null>}
*/
async function fetchFoodRecordForEvent(eventId) {
const eventIdStr = eventId != null ? String(eventId) : '';
if (!eventIdStr) return null;
const mongoUri = getExternalMongoUri();
if (!mongoUri) return null;
const client = new MongoClient(mongoUri, { useNewUrlParser: true, useUnifiedTopology: true });
await client.connect();
try {
const db = client.db(getDbName());
const coll = db.collection(getCollection());
// The external doc created in foodRecommendationService uses { eventId: <string> }
const doc = await coll.findOne({ eventId: eventIdStr });
if (!doc) return null;
return {
location: doc.location,
recommendations: doc.recommendations,
restaurants: doc.restaurants,
raw: doc,
};
} finally {
await client.close();
}
}
module.exports = {
fetchFoodRecordForEvent,
};

View File

@ -0,0 +1,623 @@
const axios = require("axios");
const readline = require("readline");
const { spawn } = require("child_process");
const { MongoClient } = require('mongodb');
const API_KEY_ENV = 'GOOGLE_PLACES_API_KEY';
const GOOGLE_PLACES_API_KEY = process.env[API_KEY_ENV];
const OLLAMA_MODEL_ENV = "OLLAMA_MODEL";
const DEFAULT_OLLAMA_MODEL = "phi3";
const BASE_GEOCODE_URL =
"https://maps.googleapis.com/maps/api/geocode/json";
const BASE_PLACES_URL =
"https://maps.googleapis.com/maps/api/place/textsearch/json";
const BASE_DETAILS_URL =
"https://maps.googleapis.com/maps/api/place/details/json";
const DEFAULT_RADIUS_METERS = 2000;
const DEFAULT_RESULT_COUNT = 20;
const SEARCH_QUERY_TEMPLATES = [
"best local food in {location}",
"traditional food in {location}",
"street food in {location}",
"top restaurants in {location}",
"famous dishes in {location}",
"best cafes in {location}",
"local cuisine near {location}",
];
const CUISINE_TYPES = new Set([
"afghani","african","american","asian","asian_fusion","bbq","bakery","bar",
"belgian","brazilian","breakfast_brunch","british","bubble_tea","bulgarian",
"burgers","cafes","cambodian","caribbean","chinese","comfort_food",
"creperies","cuban","czech","danish","delis","diners","ethiopian",
"european","filipino","fish_and_chips","fondue","food_court","food_stands",
"french","gastropubs","german","greek","hawaiian","himalayan","hot_dogs",
"hot_pot","hungarian","indian","indonesian","irish","island_pub","italian",
"japanese","juice_bars","kebab","korean","kosher","laotian",
"latin_american","lebanese","malaysian","mediterranean","mexican",
"middle_eastern","modern_european","mongolian","moroccan","new_american",
"new_zealand","nicaraguan","northern_indian","pakistani","pasta_shops",
"peruvian","pizza","polish","portuguese","russian","salad","sandwiches",
"scandinavian","seafood","singaporean","slovak","somali","southern",
"spanish","sri_lankan","steakhouse","sushi","syrian","taiwanese",
"tapasmallplates","tex-mex","thai","tibetan","turkish","ukrainian",
"vietnamese","waffles"
]);
function getApiKey() {
const apiKey = process.env[API_KEY_ENV];
if (!apiKey) {
console.error(
`Error: environment variable ${API_KEY_ENV} is not set.`
);
process.exit(1);
}
return apiKey;
}
async function fetchJson(url, params) {
const response = await axios.get(url, {
params,
timeout: 30000,
});
return response.data;
}
async function geocodeAddress(address, apiKey) {
const result = await fetchJson(BASE_GEOCODE_URL, {
address,
key: apiKey,
});
if (
result.status !== "OK" ||
!result.results ||
!result.results.length
) {
throw new Error(
`Geocoding failed: ${result.status}`
);
}
const location = result.results[0].geometry.location;
return {
formattedAddress:
result.results[0].formatted_address || address,
lat: Number(location.lat),
lng: Number(location.lng),
};
}
function haversineDistance(lat1, lng1, lat2, lng2) {
const R = 6371000;
const toRad = (deg) => deg * Math.PI / 180;
const dLat = toRad(lat2 - lat1);
const dLng = toRad(lng2 - lng1);
const a =
Math.sin(dLat / 2) ** 2 +
Math.cos(toRad(lat1)) *
Math.cos(toRad(lat2)) *
Math.sin(dLng / 2) ** 2;
const c = 2 * Math.atan2(
Math.sqrt(a),
Math.sqrt(1 - a)
);
return R * c;
}
function formatDistance(meters) {
if (meters >= 1000) {
return `${(meters / 1000).toFixed(1)} km`;
}
return `${Math.round(meters)} m`;
}
function parseCuisine(types = []) {
const cuisines = types
.filter((t) => CUISINE_TYPES.has(t))
.map((t) =>
t.replace(/_/g, " ")
.replace(/\b\w/g, (c) => c.toUpperCase())
);
return cuisines.length ? cuisines : ["N/A"];
}
async function getPlaceDetails(placeId, apiKey) {
const result = await fetchJson(BASE_DETAILS_URL, {
place_id: placeId,
key: apiKey,
fields: [
"formatted_phone_number",
"international_phone_number",
"price_level",
"reviews",
"types",
"opening_hours",
"geometry",
].join(","),
});
if (
result.status !== "OK" ||
!result.result
) {
throw new Error(
`Place details failed: ${result.status}`
);
}
return result.result;
}
async function searchFoodPlaces(
originLat,
originLng,
apiKey,
locationName = "",
radius = DEFAULT_RADIUS_METERS,
limit = DEFAULT_RESULT_COUNT
) {
const seen = new Set();
const places = [];
for (const template of SEARCH_QUERY_TEMPLATES) {
if (places.length >= limit) break;
const queryText = template.replace(
"{location}",
locationName
);
let result;
try {
result = await fetchJson(BASE_PLACES_URL, {
query: queryText,
location: `${originLat},${originLng}`,
radius,
key: apiKey,
});
} catch {
continue;
}
if (
result.status !== "OK" &&
result.status !== "ZERO_RESULTS"
) {
continue;
}
for (const place of result.results || []) {
if (places.length >= limit) break;
const placeId = place.place_id;
if (!placeId || seen.has(placeId)) {
continue;
}
seen.add(placeId);
let details = {};
try {
details = await getPlaceDetails(
placeId,
apiKey
);
} catch {}
const lat =
Number(place.geometry?.location?.lat || 0);
const lng =
Number(place.geometry?.location?.lng || 0);
const types =
details.types || place.types || [];
places.push({
name: place.name,
address: place.formatted_address,
rating: place.rating,
user_ratings_total:
place.user_ratings_total,
types,
place_id: placeId,
business_status:
place.business_status,
opening_hours:
details.opening_hours?.open_now,
price_level:
details.price_level,
phone_number:
details.formatted_phone_number ||
details.international_phone_number,
reviewsSummary:
(details.reviews || [])
.map((r) => {
const text = r.text;
const summary = String(text || '')
.replace(/\s+/g, ' ')
.trim()
.split(/[.!?]/)[0]
.trim();
const s = summary || String(text || '').slice(0, 120);
const rating = r.rating != null ? ` (${r.rating})` : '';
return `${s}${rating}`;
})
.filter(Boolean)
.slice(0, 8)
.join(' • '),
cuisines: parseCuisine(types),
delivery:
types.includes("meal_delivery"),
takeaway:
types.includes("meal_takeaway"),
distance_meters:
haversineDistance(
originLat,
originLng,
lat,
lng
),
});
}
}
return places;
}
function getOllamaModelName() {
return (
process.env[OLLAMA_MODEL_ENV] ||
DEFAULT_OLLAMA_MODEL
);
}
function runOllamaModel(prompt, modelName) {
return new Promise((resolve, reject) => {
const child = spawn("ollama", [
"run",
modelName,
"--nowordwrap",
]);
let output = "";
let errorOutput = "";
child.stdout.on("data", (data) => {
output += data.toString();
});
child.stderr.on("data", (data) => {
errorOutput += data.toString();
});
child.on("close", (code) => {
if (code !== 0) {
return reject(
new Error(errorOutput)
);
}
resolve(output.trim());
});
child.stdin.write(prompt);
child.stdin.end();
});
}
function buildRecommendationPrompt(
places,
location,
radius
) {
const cuisineCounts = {};
places.forEach((place) => {
place.cuisines.forEach((cuisine) => {
if (cuisine === "N/A") return;
cuisineCounts[cuisine] =
(cuisineCounts[cuisine] || 0) + 1;
});
});
const dominantCuisines =
Object.entries(cuisineCounts)
.sort((a, b) => b[1] - a[1])
.slice(0, 8)
.map(([name]) => name);
// Build a short restaurant summary to provide context to the LLM
const restaurantSummary = places
.slice(0, 10)
.map((p, index) => {
return `\n${index + 1}. ${p.name}\nCuisine: ${p.cuisines.join(", ")}\nRating: ${p.rating || 'N/A'}\nDistance: ${formatDistance(p.distance_meters)}\nAddress: ${p.address || 'N/A'}\n`;
})
.join('\n');
return `
You are a knowledgeable local food recommendation assistant.
The user is looking for foods to try near:
${location}
Nearby restaurants and cuisines indicate the local food preferences in this area.
Nearby restaurants:
${restaurantSummary}
Cuisine types:
${dominantCuisines.join(", ")}
Your task:
1. Recommend 5 to 7 foods or dishes that a visitor should try in this area.
2. Prioritize local specialties, local street food, and popular dishes suggested by the available cuisine types and restaurant reviews.
3. For each food, include a brief explanation of why it is worth trying and list recommended places to order it.
4. Use a numbered list format with each food item followed by recommended restaurant names.
5. Do NOT invent restaurants.
6. Do NOT assume the location is in a specific country unless it is obvious from the provided information.
7. Start your response with a heading like "🍽 Must-Try Foods in ${location}".
Return only the food recommendation text.
`;
}
async function recommendFoodWithLLM(
places,
location,
radius
) {
try {
const model =
getOllamaModelName();
const prompt =
buildRecommendationPrompt(
places,
location,
radius
);
const response =
await runOllamaModel(
prompt,
model
);
console.log(
"\nFood suggestions from Ollama:\n"
);
console.log(response);
} catch (err) {
console.log(
"\nUnable to generate recommendations:"
);
console.log(err.message);
}
}
function displayPlaces(places) {
if (!places.length) {
console.log(
"No food-related places found."
);
return;
}
places.forEach((place, index) => {
console.log(
`\n${index + 1}. ${place.name}`
);
console.log(
`Address: ${place.address || "N/A"}`
);
console.log(
`Phone: ${place.phone_number || "N/A"}`
);
console.log(
`Rating: ${place.rating || "N/A"} (${
place.user_ratings_total || 0
} reviews)`
);
console.log(
`Cuisine: ${place.cuisines.join(", ")}`
);
console.log(
`Distance: ${formatDistance(
place.distance_meters
)}`
);
if (
place.opening_hours !== undefined
) {
console.log(
`Status: ${
place.opening_hours
? "Open now"
: "Closed now"
}`
);
}
if (
place.reviews &&
place.reviews.length
) {
console.log("Reviews:");
place.reviews
.slice(0, 2)
.forEach((review) => {
console.log(
`- ${review.author_name} (${review.rating})`
);
console.log(
` ${review.text}`
);
});
}
});
}
async function ask(question, rl) {
return new Promise((resolve) =>
rl.question(question, resolve)
);
}
async function getFoodRecommendations(location, eventId = null) {
const apiKey = process.env[API_KEY_ENV];
let geo = { formattedAddress: location, lat: 0, lng: 0 };
let places = [];
if (!apiKey) {
// Fallback when no API key available — return a helpful message so ingest can continue
console.warn('GOOGLE_PLACES_API_KEY not set; returning fallback recommendation text');
const fallbackText = `Food recommendations unavailable: missing Google Places API key for ${location}.`;
// Save empty places doc with note
try {
const MONGO_URL = process.env.MONGODB_URI || '';
const client = new MongoClient(MONGO_URL, { useNewUrlParser: true, useUnifiedTopology: true });
await client.connect();
const db = client.db('reallives_serverless_eb');
const coll = db.collection('Food');
const doc = { eventId: eventId ? String(eventId) : null, location, origin: geo, recommendations: fallbackText, places: [], note: 'no-api-key', createdAt: new Date() };
if (doc.eventId) await coll.updateOne({ eventId: doc.eventId }, { $set: doc }, { upsert: true }); else await coll.insertOne(doc);
await client.close();
} catch (dbErr) {
console.warn('Failed to save food places to external DB:', dbErr.message || dbErr);
}
return fallbackText + ' Set GOOGLE_PLACES_API_KEY to enable real recommendations.';
}
try {
console.log('[getFoodRecommendations] Geocoding location:', location);
geo = await geocodeAddress(location, apiKey);
console.log('[getFoodRecommendations] Geocoding success:', geo.formattedAddress);
} catch (e) {
console.warn('[getFoodRecommendations] Geocoding failed:', e.message);
// Continue with location name as fallback
geo.formattedAddress = location;
}
try {
console.log('[getFoodRecommendations] Searching food places');
places = await searchFoodPlaces(geo.lat, geo.lng, apiKey, geo.formattedAddress);
console.log('[getFoodRecommendations] Found', places.length, 'places');
} catch (e) {
console.warn('[getFoodRecommendations] Food places search failed:', e.message);
// Continue with empty places array
}
let recommendationText = '';
try {
console.log('[getFoodRecommendations] Generating LLM recommendation');
const prompt = buildRecommendationPrompt(
places,
geo.formattedAddress,
DEFAULT_RADIUS_METERS
);
recommendationText = await runOllamaModel(
prompt,
getOllamaModelName()
);
} catch (e) {
console.warn('[getFoodRecommendations] LLM recommendation failed:', e.message, '— generating fallback text');
if (places.length === 0) {
recommendationText = `No food places found near ${geo.formattedAddress}.`;
} else {
const topPlaces = places
.slice(0, 5)
.map(
(p) =>
`${p.name} (${p.cuisines.join(', ')}, rating: ${p.rating || 'N/A'})`
)
.join('\n');
recommendationText = `Food recommendations near ${geo.formattedAddress}\n\nNearby restaurants:\n\n${topPlaces}`;
}
}
// Save structured places and generated recommendation into external MongoDB
try {
console.log('[getFoodRecommendations] Saving to external DB');
const MONGO_URL = process.env.MONGODB_URI || '';
const client = new MongoClient(MONGO_URL, { useNewUrlParser: true, useUnifiedTopology: true });
await client.connect();
const db = client.db('reallives_serverless_eb');
const coll = db.collection('Food');
const doc = {
eventId: eventId ? String(eventId) : null,
location: geo.formattedAddress,
origin: { lat: geo.lat, lng: geo.lng },
recommendations: recommendationText,
restaurants: places,
createdAt: new Date(),
};
if (doc.eventId) {
await coll.updateOne({ eventId: doc.eventId }, { $set: doc }, { upsert: true });
} else {
await coll.insertOne(doc);
}
await client.close();
console.log('[getFoodRecommendations] Saved to DB');
} catch (dbErr) {
console.warn('Failed to save food places to external DB:', dbErr.message || dbErr);
}
const restaurantSummary = places
.slice(0, 10)
.map((p, index) => {
return `\n${index + 1}. ${p.name}\nCuisine: ${p.cuisines.join(', ')}\nRating: ${p.rating || 'N/A'}\nDistance: ${formatDistance(p.distance_meters)}\nAddress: ${p.address || 'N/A'}\n`;
})
.join('\n');
return `\nFOOD RECOMMENDATIONS FOR ${geo.formattedAddress}\n\n${recommendationText}\n\nPLACES TO TRY THESE FOODS\n\n${restaurantSummary}\n`;
}
module.exports = {
getFoodRecommendations
};

View File

@ -1,13 +1,15 @@
const { BedrockRuntimeClient } = require('@aws-sdk/client-bedrock-runtime');
const DEFAULT_BEDROCK_MODEL_ID = 'meta.llama3-8b-instruct-v1:0';
const DEFAULT_BEDROCK_MODEL_ID = 'amazon.nova-lite-v1:0';
const DEFAULT_BEDROCK_EMBED_MODEL_ID = 'amazon.titan-embed-text-v2:0';
const REGION_FALLBACK_MODEL_IDS = [
'meta.llama3-8b-instruct-v1:0',
'meta.llama3-70b-instruct-v1:0',
'amazon.nova-micro-v1:0',
];
const REGION_FALLBACK_EMBED_MODEL_IDS = [
'amazon.titan-embed-text-v2:0',
'amazon.titan-embed-text-v1:0',

View File

@ -16,17 +16,38 @@ function responseText(response) {
*/
async function converse(client, modelId, opts) {
const { system, messages, inferenceConfig } = opts;
// Allow tuning for different models/environments.
// Defaults preserve existing behavior if env vars are not set.
const temperatureEnv = process.env.BEDROCK_TEMPERATURE;
const topPEnv = process.env.BEDROCK_TOP_P;
const temperature =
temperatureEnv != null && temperatureEnv !== ''
? Number(temperatureEnv)
: 0.3;
const topP = topPEnv != null && topPEnv !== '' ? Number(topPEnv) : 0.9;
const mergedInferenceConfig = {
maxTokens: 2048,
temperature: Number.isFinite(temperature) ? temperature : 0.3,
topP: Number.isFinite(topP) ? topP : 0.9,
...inferenceConfig,
};
console.log('[bedrock][converse] modelId=', modelId, {
temperature: mergedInferenceConfig.temperature,
topP: mergedInferenceConfig.topP,
maxTokens: mergedInferenceConfig.maxTokens,
});
return client.send(
new ConverseCommand({
modelId,
...(system && system.length ? { system } : {}),
messages,
inferenceConfig: {
maxTokens: 2048,
temperature: 0.3,
topP: 0.9,
...inferenceConfig,
},
inferenceConfig: mergedInferenceConfig,
}),
);
}

View File

@ -7,17 +7,30 @@ const CONCIERGE_GREETING_DEFAULTS = {
/**
* Replace {profileName}, {eventName}, and other known placeholders in a concierge greeting.
* Empty or missing values fall back to CONCIERGE_GREETING_DEFAULTS.
* When the template is empty, returns a sensible default greeting.
*
* @param {string} template
* @param {{ profileName?: string, eventName?: string }} [values]
* @returns {string}
*/
function interpolateConciergeGreeting(template, values = {}) {
let out = String(template || '');
const greeting = String(template || '').trim();
if (!greeting) {
const profileName =
values.profileName != null && String(values.profileName).trim() !== ''
? String(values.profileName).trim()
: CONCIERGE_GREETING_DEFAULTS.profileName;
const eventName =
values.eventName != null && String(values.eventName).trim() !== ''
? ` for ${String(values.eventName).trim()}`
: '';
return `Hello ${profileName}${eventName}! How can I help you today?`;
}
let out = greeting;
for (const [key, fallback] of Object.entries(CONCIERGE_GREETING_DEFAULTS)) {
const raw = values[key];
const val =
raw != null && String(raw).trim() !== '' ? String(raw).trim() : fallback;
const val = raw != null && String(raw).trim() !== '' ? String(raw).trim() : fallback;
out = out.replace(new RegExp(`\\{${key}\\}`, 'gi'), val);
}
return out;

View File

@ -6,6 +6,7 @@ const { buildEventKnowledgeTextFromEventId } = require('./conciergeEventKnowledg
const { getBufferFromS3Key } = require('./s3Media');
const { extractTextFromPdfBuffer } = require('./conciergeDocumentExtract');
const { crawlUrlSource, extractTextFromUrl } = require('./conciergeUrlCrawl');
const { getFoodRecommendations } = require('../services/foodRecommendationService');
async function extractTextFromPdf(sourcePath) {
const buffer = await getBufferFromS3Key(sourcePath);
@ -16,6 +17,29 @@ async function extractTextFromEvent(eventId) {
return buildEventKnowledgeTextFromEventId(eventId);
}
async function extractTextFromFood(eventId) {
const Event = require('../models/Event');
const event = await Event.findById(eventId);
if (!event) {
throw new Error('Event not found');
}
const location =
event.city ||
event.venue ||
event.location ||
event.address;
if (!location) {
throw new Error('No event location found');
}
return await getFoodRecommendations(location, eventId);
}
/**
* @param {import('../models/KnowledgeSource')} source
*/
@ -65,6 +89,8 @@ async function runConciergeIngest(sourceId) {
text = await extractTextFromPdf(source.sourcePath);
} else if (source.type === 'event') {
text = await extractTextFromEvent(source.sourcePath || source.eventId);
} else if (source.type === 'food') {
text = await extractTextFromFood(source.sourcePath || source.eventId);
} else {
throw new Error(`Unknown source type: ${source.type}`);
}
@ -108,4 +134,5 @@ module.exports = {
extractTextFromUrlSource,
extractTextFromPdf,
extractTextFromEvent,
extractTextFromFood,
};

View File

@ -0,0 +1,207 @@
const { createBedrockClient, getBedrockConfig } = require('./bedrockClient');
const { converse, responseText } = require('./bedrockConverse');
const INTENT_CATEGORIES = {
EVENT_INFORMATION: 'Event Information',
PERSONAL_INFORMATION: 'Personal Information',
FOOD: 'Food',
PLACES: 'Places',
UNRECOGNIZED: 'unrecognized',
};
function tryParse(s) {
if (!s) return null;
const trimmed = String(s).trim();
try {
return JSON.parse(trimmed);
} catch {
const fenced =
trimmed.match(/```json\s*([\s\S]*?)\s*```/i) ||
trimmed.match(/```\s*([\s\S]*?)\s*```/i);
if (fenced?.[1]) {
try {
return JSON.parse(fenced[1]);
} catch {}
}
const objectMatch = trimmed.match(/\{[\s\S]*\}/);
if (objectMatch?.[0]) {
try {
return JSON.parse(objectMatch[0]);
} catch {}
}
return null;
}
}
function classifyByRules(message) {
const text = String(message || '').toLowerCase();
// PERSONAL
if (
/\b(my|am i|me)\b/.test(text) &&
/\b(ticket|badge|registration|registered|qr|check.?in|seat|profile)\b/.test(text)
) {
return { category: 'Personal Information', databaseSearchNeeded: true };
}
// EVENT
if (
/\b(session|sessions|schedule|agenda|speaker|speakers|workshop|workshops|keynote|program)\b/.test(
text,
)
) {
return { category: 'Event Information', databaseSearchNeeded: true };
}
// FOOD
if (
/\b(food|eat|restaurant|cafe|vendor|menu|breakfast|lunch|dinner|coffee|tea|vegetarian|vegan)\b/.test(
text,
)
) {
return { category: 'Food', databaseSearchNeeded: true };
}
// PLACES
if (
/\b(hall|room|booth|parking|restroom|bathroom|gate|entrance|exit|directions|map|stage)\b/.test(
text,
)
) {
return { category: 'Places', databaseSearchNeeded: true };
}
// GREETINGS
if (/\b(hello|hi|hey|good morning|good afternoon)\b/.test(text)) {
return { category: 'unrecognized', databaseSearchNeeded: false };
}
return null;
}
function buildIntentClassificationPrompt() {
return `You are an intent classifier for an event assistant.
Classify the CURRENT USER MESSAGE into exactly ONE category from:
- Event Information
- Personal Information
- Food
- Places
- unrecognized
Categories:
- Event Information: schedules, sessions, workshops, speakers, agendas, programs, event details
- Personal Information: my registration, my ticket, badge, QR code, check-in, attendee profile
- Food: food, meals, restaurants, cafes, vendors, dietary preferences
- Places: halls, rooms, parking, restrooms, directions, booths
- unrecognized: greetings, compliments, or unrelated requests
Rules:
- If the message is about the user themselves (ticket/badge/QR/check-in/profile), use Personal Information.
- If the message is about what/when/where inside the event (schedule, speakers, sessions, workshops, agenda, program), use Event Information.
- If the message asks what to eat or where to eat, use Food.
- If the message asks for navigation inside the venue (directions/maps/where is X room/stage/booth), use Places.
Also decide whether the backend should perform a knowledge base lookup:
- databaseSearchNeeded: true when the answer depends on event knowledge or places/food knowledge.
- databaseSearchNeeded: false for greetings or non-actionable messages.
Output format (STRICT):
Return ONLY a valid minified JSON object with this exact schema:
{"category":"Event Information"|"Personal Information"|"Food"|"Places"|"unrecognized","databaseSearchNeeded":true|false}
`;
}
function normalizeMessagesToText(messages) {
if (!Array.isArray(messages)) return '';
return messages
.slice(-6)
.map((m) => {
const role = m?.role === 'assistant' ? 'Assistant' : 'User';
const text = String(m?.text || '').trim();
return `${role}: ${text}`.trim();
})
.filter(Boolean)
.join('\n');
}
async function determineIntentCategory(chatContextMessages = []) {
const latestUserMessage =
[...chatContextMessages]
.reverse()
.find(m => m.role === 'user')
?.text || '';
// Rule-based classification first
const ruleResult = classifyByRules(latestUserMessage);
if (ruleResult) {
return ruleResult;
}
// Fallback to Nova Lite
const { region, modelId } = getBedrockConfig();
const client = createBedrockClient(region);
const system = buildIntentClassificationPrompt();
const userText = `
CURRENT USER MESSAGE:
${latestUserMessage}
Return JSON only.
`;
const response = await converse(client, modelId, {
system: [{ text: system }],
messages: [
{
role: 'user',
content: [{ text: userText }]
}
],
inferenceConfig: {
temperature: 0,
topP: 0.01,
maxTokens: 50
}
});
const raw = responseText(response);
const parsed = tryParse(raw);
const category =
parsed?.category &&
Object.values(INTENT_CATEGORIES).includes(parsed.category)
? parsed.category
: INTENT_CATEGORIES.UNRECOGNIZED;
const databaseSearchNeeded =
typeof parsed?.databaseSearchNeeded === 'boolean'
? parsed.databaseSearchNeeded
: false;
return {
category,
databaseSearchNeeded
};
}
module.exports = {
determineIntentCategory,
INTENT_CATEGORIES,
};