Build buyer personalization into your stack

1// Create a new project with BOM
2const response = await fetch('/api/projects', {
3  method: 'POST',
4  headers: { 'Authorization': 'Bearer YOUR_TOKEN', 'Content-Type': 'application/json' },
5  body: JSON.stringify({
6    name: 'Skyline Towers - Phase 2',
7    location: { city: 'Mumbai', pincode: '400013' },
8    unitTypes: [
9      { type: '2BHK', count: 48, basePrice: 8500000 },
10      { type: '3BHK', count: 32, basePrice: 12500000 },
11      { type: '4BHK Penthouse', count: 4, basePrice: 28000000 }
12    ],
13    bomTemplateId: 'bom_residential_premium_v3',
14    customizationWindows: {
15      flooring: { open: '2024-01-15', close: '2024-03-30' },
16      kitchen: { open: '2024-02-01', close: '2024-04-15' },
17      bathroom: { open: '2024-02-15', close: '2024-04-30' }
18    }
19  })
20});
21
22const project = await response.json();
23// { id: "proj_abc123", status: "active", bomSync: "pending", customizationUrl: "..." }

1// Webhook handler for selection completions
2import { verifyWebhookSignature } from '@mellite/sdk';
3
4app.post('/webhooks/mellite', async (req, res) => {
5  const signature = req.headers['x-mellite-signature'];
6  const payload = req.body;
7
8  if (!verifyWebhookSignature(payload, signature, process.env.MELLITE_WEBHOOK_SECRET)) {
9    return res.status(401).send('Invalid signature');
10  }
11
12  switch (payload.type) {
13    case 'selection.completed':
14      await handleSelectionComplete(payload.data);
15      break;
16    case 'unit.locked':
17      await syncToERP(payload.data.unitId);
18      break;
19    case 'payment.confirmed':
20      await triggerHandover(payload.data);
21      break;
22  }
23  res.status(200).json({ received: true });
24});
25
26async function handleSelectionComplete(data) {
27  // data: { unitId, buyerId, selections, totalUpgradeValue, revenueRecognized }
28  console.log(`Unit ${data.unitId}: ${data.selections.length} selections, ₹${data.totalUpgradeValue/1e5}L upgrades`);
29  await updateBuyerPortal(data.buyerId, data.selections);
30  await notifySiteTeam(data.unitId);
31}

1// Trigger BOM sync from your ERP
2const syncResult = await fetch(`/api/projects/${projectId}/sync`, {
3  method: 'POST',
4  headers: { 'Authorization': 'Bearer YOUR_TOKEN' },
5  body: JSON.stringify({
6    source: 'tally',
7    mode: 'incremental',
8    changesSince: '2024-01-15T00:00:00Z',
9    validateOnly: false
10  })
11});
12
13const { syncedItems, conflicts, revenueImpact } = await syncResult.json();
14// revenueImpact: { additionalRevenue: 2450000, affectedUnits: 12, marginChange: '+2.3%' }

1// Get units with real-time selection status
2const units = await fetch('/api/units?projectId=proj_abc123&includeSelections=true&includeRevenue=true', {
3  headers: { 'Authorization': 'Bearer YOUR_TOKEN' }
4}).then(r => r.json());
5
6/* Response:
7{
8  "units": [
9    {
10      "id": "unit_401",
11      "type": "3BHK",
12      "status": "customizing",
13      "buyer": { "id": "buyer_789", "name": "Rahul Sharma" },
14      "selections": { "completed": 18, "pending": 4, "totalValue": 2340000 },
15      "revenue": { "base": 12500000, "upgrades": 2340000, "recognized": 14840000 },
16      "handoverDate": "2024-12-15"
17    }
18  ]
19}
20*/

1// Lock finalized selections - triggers revenue recognition
2const result = await fetch('/api/units/unit_401/lock', {
3  method: 'POST',
4  headers: { 'Authorization': 'Bearer YOUR_TOKEN' },
5  body: JSON.stringify({
6    lockedBy: 'project_manager_001',
7    confirmation: 'buyer_signed',
8    generateHandoverPacket: true
9  })
10});
11
12const { handoverPacket, revenueRecognized, accountingEntries } = await result.json();
13// revenueRecognized: 14840000
14// accountingEntries: [{ account: 'Revenue - Upgrades', debit: 0, credit: 2340000 }, ...]