{ "id": "KHvxUBua7hi5e1x1", "name": "VenueDesk - Financial Operations (UUID Fix)", "nodes": [ { "parameters": { "httpMethod": "POST", "path": "pay-balance", "responseMode": "responseNode", "options": {}, "authentication": "none" }, "id": "e1f835fd-4c70-475e-acf4-0a378de5e5cc", "name": "Webhook: Pay Balance", "type": "n8n-nodes-base.webhook", "typeVersion": 2, "position": [ 0, 0 ], "credentials": {} }, { "parameters": { "jsCode": "// UNWRAP\nconst input = ($input.first().json.body) ? $input.first().json.body : $input.first().json;\n\n// VALIDATE\nconst amount = parseFloat(input.amount);\nif (isNaN(amount) || amount <= 0) throw new Error('Payment amount must be positive');\nif (amount > 100000) throw new Error('Amount exceeds maximum');\nif (!input.booking_id) throw new Error('Missing booking_id');\nif (!input.customer_id) throw new Error('Missing customer_id');\n\n// DETERMINE TYPE \u2014 preserve 'deposit' if caller sends it, otherwise 'balance'\nconst sentType = (input.payment_type || '').toLowerCase();\nconst payment_type = (sentType === 'deposit') ? 'deposit' : 'balance';\n\n// is_partial: only relevant for balance payments\nconst balance = parseFloat(input.balance_due || 999999);\nconst is_partial = payment_type === 'balance' && amount < (balance - 0.005);\n\n// GENERATE REFERENCE NUMBER\nconst ts = new Date();\nconst pad = n => String(n).padStart(2,'0');\nconst stamp = ts.getFullYear() + pad(ts.getMonth()+1) + pad(ts.getDate()) +\n pad(ts.getHours()) + pad(ts.getMinutes()) + pad(ts.getSeconds());\nconst rand = Math.random().toString(36).slice(2,6).toUpperCase();\nconst prefix = payment_type === 'deposit' ? 'DEP' : 'REF';\nconst reference_number = prefix + '-' + stamp + '-' + rand;\n\nreturn {\n json: {\n ...input,\n tenant_id: parseInt(input.tenant_id || $input.first().json.headers?.['x-tenant-id'] || $input.first().json.query?.tenant_id || '0'),\n amount,\n payment_type,\n is_partial,\n reference_number,\n payment_method: input.payment_method || 'cash',\n deposit_reference: input.deposit_reference || null,\n // Explicit trim prevents whitespace-corrupted JWTs reaching the auth header\n jwt: String(input.jwt || '').trim()\n }\n};\n" }, "id": "6c1b0790-6c06-419b-bf26-956a04753044", "name": "Code: Sanitize", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 224, 0 ] }, { "parameters": { "method": "POST", "url": "https://api.venuedesk.co.uk/payments/record", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "Authorization", "value": "" }, { "name": "Content-Type", "value": "application/json" } ] }, "options": { "response": { "response": { "fullResponse": false, "neverError": true } }, "timeout": 15000 }, "sendBody": true, "contentType": "json", "specifyBody": "json", "jsonBody": "={{ JSON.stringify({ booking_id: $json.booking_id, amount: $json.amount, payment_method: $json.payment_method, payment_type: $json.payment_type || 'balance', reference: $json.reference || '', jwt: $json.jwt || '' }) }}" }, "id": "http-record-payment-001", "name": "DB: Record Payment", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "continueOnFail": true, "position": [ 448, 0 ] }, { "parameters": { "jsCode": "return $input.all();" }, "id": "code-passthrough-001", "name": "DB: Update Balance", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 672, 0 ] }, { "parameters": { "respondWith": "json", "responseBody": "={{ JSON.stringify({ status: 'success', message: 'Payment processed', reference_number: $('DB: Record Payment').first().json.reference_number || $('DB: Record Payment').first().json.id, payment_type: $('Code: Sanitize').first().json.is_partial ? 'partial' : 'full', amount: $('Code: Sanitize').first().json.amount}) }}", "options": { "responseHeaders": { "entries": [ { "name": "Access-Control-Allow-Origin", "value": "*" } ] } } }, "id": "ee61c79c-62a2-42d4-8df2-45466f044461", "name": "Respond: Success", "type": "n8n-nodes-base.respondToWebhook", "typeVersion": 1.1, "position": [ 880, 0 ] }, { "parameters": { "method": "GET", "url": "=https://api.venuedesk.co.uk/bookings/{{ $('Code: Sanitize').first().json.booking_id }}", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "Authorization", "value": "={{ 'Bearer ' + $('Code: Sanitize').first().json.jwt }}" }, { "name": "Content-Type", "value": "application/json" } ] }, "options": { "response": { "response": { "fullResponse": false, "neverError": true } }, "timeout": 15000 } }, "id": "http-get-customer-det-001", "name": "DB: Get Customer Details", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "continueOnFail": true, "position": [ 880, 208 ] }, { "id": "code-build-email-001", "name": "Code: Build Email Content", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 1120, 208 ], "parameters": { "jsCode": "const sanitize = $('Code: Sanitize').first().json;\nconst paymentNode = $('DB: Record Payment').first().json;\n\n// paymentData: use API response when successful; fall back to {} so we never\n// crash if DB: Record Payment itself failed (network error, 5xx etc.)\nconst paymentData = paymentNode?.success ? (paymentNode.data ?? paymentNode) : {};\n// detailsRaw: DB: Get Customer Details enrichment (best-effort, may 401)\nconst detailsRaw = ($json.success !== false) ? ($json.data ?? $json) : {};\n// webhookData: original sanitised webhook body as the final safety net\nconst webhookData = sanitize;\n\n// Merge order: webhookData (base) \u2192 paymentData (richer) \u2192 detailsRaw (freshest)\nconst raw = { ...webhookData, ...paymentData, ...detailsRaw };\n\nconst customer = {\n ...raw,\n email: raw.customer_email || raw.email || sanitize.email || '',\n full_name: raw.customer_name || raw.full_name || 'Valued Customer',\n event_date: raw.event_date || raw.date_from || raw.booking_date || null,\n};\n\nconst payment_type = sanitize.payment_type;\nconst is_partial = sanitize.is_partial;\nconst amount = parseFloat(sanitize.amount || 0);\nconst ref = sanitize.reference_number || '\\u2014';\nconst remaining = parseFloat(raw.balance_due ?? raw.new_balance ?? 0);\nconst total = parseFloat(customer.total_amount || 0);\n\nconst fmt = n => '\\u00a3' + parseFloat(n || 0).toFixed(2);\nconst fmtDate = d => {\n if (!d) return '\\u2014';\n const dt = new Date(String(d).slice(0,10) + 'T00:00:00');\n return dt.toLocaleDateString('en-GB', { weekday:'long', day:'numeric', month:'long', year:'numeric' });\n};\nconst fmtTime = t => t ? String(t).slice(0,5) : '\\u2014';\n\nlet subject, headingColour, headingText, statusBadge, bodyText;\n\nif (payment_type === 'deposit') {\n subject = `Deposit Payment Confirmed \\u2014 ${fmtDate(customer.event_date)} | Ref: ${ref}`;\n headingColour = '#6366f1';\n headingText = 'Deposit Payment Confirmed';\n statusBadge = { text:'DEPOSIT RECEIVED', bg:'#eef2ff', color:'#4f46e5' };\n bodyText = `Thank you for your deposit payment of ${fmt(amount)}. Your booking for ${customer.room_name || 'your venue'} is now secured.`;\n} else if (is_partial) {\n subject = `Payment Received \\u2014 Remaining Balance: ${fmt(remaining)} | Ref: ${ref}`;\n headingColour = '#f59e0b';\n headingText = 'Partial Balance Payment Received';\n statusBadge = { text:'PAYMENT RECEIVED', bg:'#fffbeb', color:'#b45309' };\n bodyText = `Thank you for your payment of ${fmt(amount)}. Your remaining balance of ${fmt(remaining)} is due before your event date.`;\n} else {\n subject = `Balance Fully Settled \\u2014 Booking Confirmed \\u2713 | Ref: ${ref}`;\n headingColour = '#10b981';\n headingText = 'Balance Fully Settled \\u2713';\n statusBadge = { text:'FULLY PAID', bg:'#ecfdf5', color:'#065f46' };\n bodyText = `Thank you for your final payment of ${fmt(amount)}. Your booking balance is now fully settled \\u2014 we look forward to hosting your event!`;\n}\n\nconst remainingRow = remaining > 0\n ? `Balance Remaining${fmt(remaining)}`\n : `Balance Remaining\\u00a30.00 \\u2014 Fully Paid \\u2713`;\n\nconst html = `\n\n\n
\n
\n

VenueDesk Booking System

\n

${headingText}

\n
\n
\n
\n ${statusBadge.text}\n
\n

Dear ${customer.full_name || 'Valued Customer'},

\n

${bodyText}

\n
\n

Booking Details

\n \n \n \n \n
Room / Venue${customer.room_name || '\\u2014'}
Event Date${fmtDate(customer.event_date)}
Time${fmtTime(customer.start_time)} \\u2013 ${fmtTime(customer.end_time)}
\n
\n
\n

Payment Summary

\n \n \n \n ${remainingRow}\n
Total Booking Value${fmt(total)}
Amount Paid (This Transaction)${fmt(amount)}
\n
\n
\n

Payment Reference

\n

${ref}

\n
\n

Please keep this email as your payment receipt. If you have any questions, reply quoting your reference number or contact us at bookings@venuedesk.co.uk.

\n
\n
\n

This is an automated message from VenueDesk Booking System. Please do not reply to this email directly.

\n
\n
\n`;\n\nreturn { json: { ...customer, subject, html, email: customer.email } };" } }, { "id": "email-pay-conf-001", "name": "Email: Payment Confirmation", "type": "n8n-nodes-base.emailSend", "typeVersion": 2.1, "position": [ 1344, 208 ], "credentials": { "smtp": { "name": "" } }, "parameters": { "fromEmail": "bookings@venuedesk.co.uk", "toEmail": "={{ $json.email }}", "subject": "={{ $json.subject }}", "html": "={{ $json.html }}", "options": { "replyTo": "bookings@venuedesk.co.uk" } } }, { "id": "if-fully-paid-001", "name": "If Fully Paid?", "type": "n8n-nodes-base.if", "typeVersion": 2, "position": [ 1568, 208 ], "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 2 }, "conditions": [ { "id": "check_bal", "leftValue": "={{ parseFloat($('DB: Update Balance').first().json.balance_due) }}", "rightValue": 0, "operator": { "type": "number", "operation": "lte" } } ], "combinator": "and" }, "options": {} } } ], "connections": { "Webhook: Pay Balance": { "main": [ [ { "node": "Code: Sanitize", "type": "main", "index": 0 } ] ] }, "Code: Sanitize": { "main": [ [ { "node": "DB: Record Payment", "type": "main", "index": 0 } ] ] }, "DB: Record Payment": { "main": [ [ { "node": "DB: Update Balance", "type": "main", "index": 0 }, { "node": "Respond: Success", "type": "main", "index": 0 } ] ] }, "DB: Update Balance": { "main": [ [ { "node": "DB: Get Customer Details", "type": "main", "index": 0 } ] ] }, "DB: Get Customer Details": { "main": [ [ { "node": "Code: Build Email Content", "type": "main", "index": 0 } ] ] }, "Code: Build Email Content": { "main": [ [ { "node": "Email: Payment Confirmation", "type": "main", "index": 0 } ] ] }, "Email: Payment Confirmation": { "main": [ [ { "node": "If Fully Paid?", "type": "main", "index": 0 } ] ] }, "If Fully Paid?": { "main": [ [] ] } }, "settings": { "executionOrder": "v1", "binaryMode": "separate", "availableInMCP": true, "callerPolicy": "workflowsFromSameOwner" }, "staticData": null, "meta": null, "versionId": "a54f2490-8b93-4527-861f-d6c5ba715c28" }