{ "name": "Appointment Scheduling Automation - Production", "nodes": [ { "id": "d2f32cf3-364b-488b-bbd8-96d85be60639", "name": "Tally Booking Webhook", "type": "n8n-nodes-base.webhook", "position": [ -980, -520 ], "parameters": { "path": "appointments/tally-booking", "httpMethod": "POST", "responseMode": "onReceived", "options": {} }, "typeVersion": 2.1 }, { "id": "4c418823-e517-4d04-9cad-3c358c67adc3", "name": "Normalize Tally Booking Payload", "type": "n8n-nodes-base.code", "position": [ -720, -520 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n businessName: env.CLIENT_BUSINESS_NAME || 'Your Business',\n timezone: env.CLIENT_TIMEZONE || 'Europe/Tirane',\n defaultServiceType: env.CLIENT_DEFAULT_SERVICE_TYPE || 'appointment',\n tallyFieldMap: {\n name: env.TALLY_FIELD_NAME || 'name',\n email: env.TALLY_FIELD_EMAIL || 'email',\n phone: env.TALLY_FIELD_PHONE || 'phone',\n datetime: env.TALLY_FIELD_DATETIME || 'datetime',\n serviceType: env.TALLY_FIELD_SERVICE_TYPE || 'service_type',\n },\n};\n\n// This Code node normalizes Tally's webhook payload into the appointment contract and prepares parameterized Postgres values.\nfunction normalizeKey(value) {\n return String(value ?? '').toLowerCase().replace(/[^a-z0-9]/g, '');\n}\n\nfunction unwrapValue(value) {\n if (Array.isArray(value)) return value.map(unwrapValue).filter(Boolean).join(', ');\n if (value && typeof value === 'object') {\n return value.value ?? value.label ?? value.text ?? value.email ?? value.phone_number ?? value.name ?? JSON.stringify(value);\n }\n return value;\n}\n\nfunction collectFieldArrays(payload) {\n const arrays = [\n payload?.fields,\n payload?.answers,\n payload?.data?.fields,\n payload?.data?.answers,\n payload?.body?.fields,\n payload?.body?.answers,\n payload?.body?.data?.fields,\n payload?.body?.data?.answers,\n payload?.form_response?.answers,\n payload?.body?.form_response?.answers,\n ];\n return arrays.filter(Array.isArray).flat();\n}\n\nfunction findMappedValue(payload, mappedName) {\n const targets = new Set([mappedName, normalizeKey(mappedName)]);\n const roots = [\n payload,\n payload?.body,\n payload?.data,\n payload?.body?.data,\n payload?.form_response,\n payload?.body?.form_response,\n ].filter(Boolean);\n\n for (const root of roots) {\n for (const [key, value] of Object.entries(root)) {\n if (targets.has(key) || targets.has(normalizeKey(key))) return unwrapValue(value);\n }\n }\n\n for (const field of collectFieldArrays(payload)) {\n const identifiers = [\n field.key,\n field.id,\n field.ref,\n field.name,\n field.label,\n field.title,\n field.field?.key,\n field.field?.id,\n field.field?.ref,\n field.field?.label,\n field.field?.title,\n ].map(normalizeKey);\n\n if (identifiers.some((identifier) => targets.has(identifier))) {\n return unwrapValue(field.value ?? field.answer ?? field.text ?? field.email ?? field.phone_number ?? field.choice ?? field.choices);\n }\n }\n\n return undefined;\n}\n\nfunction requireValue(payload, mappedName, label) {\n const value = findMappedValue(payload, mappedName);\n if (value === undefined || value === null || String(value).trim() === '') {\n throw new Error('Missing required booking field: ' + label);\n }\n return String(value).trim();\n}\n\nreturn $input.all().map((item) => {\n const payload = item.json;\n const name = requireValue(payload, clientConfig.tallyFieldMap.name, 'name');\n const email = requireValue(payload, clientConfig.tallyFieldMap.email, 'email').toLowerCase();\n const rawDatetime = requireValue(payload, clientConfig.tallyFieldMap.datetime, 'datetime');\n const parsedDatetime = new Date(rawDatetime);\n\n if (!/^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$/.test(email)) throw new Error('Invalid email address: ' + email);\n if (Number.isNaN(parsedDatetime.getTime())) throw new Error('Invalid appointment datetime: ' + rawDatetime);\n\n const phone = String(findMappedValue(payload, clientConfig.tallyFieldMap.phone) ?? '').trim();\n const serviceType = String(findMappedValue(payload, clientConfig.tallyFieldMap.serviceType) ?? clientConfig.defaultServiceType).trim();\n const datetime = parsedDatetime.toISOString();\n\n return {\n json: {\n name,\n email,\n phone,\n service_type: serviceType,\n datetime,\n status: 'pending',\n reminder_24h_sent: false,\n reminder_2h_sent: false,\n review_sent: false,\n followup_count: 0,\n pgParams: [name, email, phone, serviceType, datetime],\n clientConfig,\n },\n };\n});" }, "typeVersion": 2 }, { "id": "f0b19b30-b8b4-4a2a-b70a-825ac9af1e9d", "name": "Insert Appointment in Postgres", "type": "n8n-nodes-base.postgres", "position": [ -460, -520 ], "parameters": { "operation": "executeQuery", "query": "INSERT INTO appointments (\n name,\n email,\n phone,\n service_type,\n datetime,\n status,\n reminder_24h_sent,\n reminder_2h_sent,\n review_sent,\n followup_count,\n created_at\n) VALUES (\n $1,\n $2,\n $3,\n $4,\n $5::timestamptz,\n 'pending',\n false,\n false,\n false,\n 0,\n NOW()\n)\nRETURNING\n id,\n name,\n email,\n phone,\n service_type,\n datetime,\n status,\n reminder_24h_sent,\n reminder_2h_sent,\n review_sent,\n followup_count,\n created_at;", "options": { "queryReplacement": "={{ $json.pgParams }}" } }, "typeVersion": 2.6 }, { "id": "099c2c80-941d-4355-9ca7-b0943fdac787", "name": "Build Confirmation Groq Request", "type": "n8n-nodes-base.code", "position": [ -200, -520 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n businessName: env.CLIENT_BUSINESS_NAME || 'Your Business',\n timezone: env.CLIENT_TIMEZONE || 'Europe/Tirane',\n location: env.CLIENT_LOCATION || 'Your appointment location',\n supportEmail: env.CLIENT_SUPPORT_EMAIL || 'support@example.com',\n tone: env.CLIENT_EMAIL_TONE || 'warm, concise, professional',\n cancellationWebhookUrl: env.CANCEL_WEBHOOK_PUBLIC_URL || 'https://n8n.example.com/webhook/appointments/cancel',\n confirmationWebhookUrl: env.CONFIRM_WEBHOOK_PUBLIC_URL || 'https://n8n.example.com/webhook/appointments/confirm',\n rescheduleUrl: env.RESCHEDULE_URL || 'https://example.com/reschedule',\n googleMapsReviewUrl: env.GOOGLE_MAPS_REVIEW_URL || 'https://maps.google.com/?q=your-business',\n waitlistClaimUrl: env.WAITLIST_CLAIM_URL || 'https://example.com/claim-slot',\n serviceInstructionsJson: env.SERVICE_INSTRUCTIONS_JSON || '{}',\n extra: {},\n};\n\n// This Code node builds the Groq request for a personalized booking confirmation email.\nfunction safeJsonParse(value, fallback) {\n try {\n return JSON.parse(value);\n } catch (_) {\n return fallback;\n }\n}\n\nfunction makeGroqRequest(messageType, appointment, waitlistCandidate) {\n const appointmentId = appointment.id;\n const links = {\n confirm: clientConfig.confirmationWebhookUrl + '?appointment_id=' + encodeURIComponent(appointmentId),\n cancel: clientConfig.cancellationWebhookUrl + '?appointment_id=' + encodeURIComponent(appointmentId),\n reschedule: clientConfig.rescheduleUrl,\n review: clientConfig.googleMapsReviewUrl,\n waitlistClaim: waitlistCandidate?.id\n ? clientConfig.waitlistClaimUrl + '?waitlist_id=' + encodeURIComponent(waitlistCandidate.id) + '&appointment_id=' + encodeURIComponent(appointmentId)\n : clientConfig.waitlistClaimUrl,\n };\n\n return {\n model: 'llama-3.3-70b-versatile',\n temperature: 0.3,\n max_tokens: 500,\n response_format: { type: 'json_object' },\n messages: [\n {\n role: 'system',\n content: [\n 'You generate transactional appointment emails.',\n 'Return JSON only with exactly these keys: subject, html_body, text_body.',\n 'Do not wrap the JSON in markdown fences.',\n 'Do not invent policies, prices, addresses, or medical/legal advice.',\n 'Use the supplied business configuration and appointment data only.',\n ].join(' '),\n },\n {\n role: 'user',\n content: JSON.stringify({\n message_type: messageType,\n business: {\n name: clientConfig.businessName,\n timezone: clientConfig.timezone,\n location: clientConfig.location,\n support_email: clientConfig.supportEmail,\n tone: clientConfig.tone,\n service_instructions: safeJsonParse(clientConfig.serviceInstructionsJson, {}),\n },\n appointment,\n waitlist_candidate: waitlistCandidate || null,\n links,\n output_contract: {\n subject: 'short email subject',\n html_body: 'complete HTML email body',\n text_body: 'plain text fallback',\n },\n }),\n },\n ],\n };\n}\n\nreturn $input.all().map((item, index) => {\n const appointment = item.json;\n const waitlistCandidate = item.json.waitlistCandidate || null;\n return {\n json: {\n ...item.json,\n groqMessageType: 'booking_confirmation',\n groqRequest: makeGroqRequest('booking_confirmation', appointment, waitlistCandidate),\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "d4b5929c-d95e-40e9-a72d-63f8b0140d22", "name": "Groq Generate Confirmation Email", "type": "n8n-nodes-base.httpRequest", "position": [ 60, -520 ], "parameters": { "method": "POST", "url": "https://api.groq.com/openai/v1/chat/completions", "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "Content-Type", "value": "application/json" } ] }, "sendBody": true, "contentType": "json", "specifyBody": "json", "jsonBody": "={{ JSON.stringify($json.groqRequest) }}", "options": {} }, "typeVersion": 4.2 }, { "id": "7fb46ef9-024e-4843-9402-0531769bc43c", "name": "Parse Confirmation Email JSON", "type": "n8n-nodes-base.code", "position": [ 320, -520 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n parserName: env.CLIENT_EMAIL_JSON_PARSER_NAME || 'groq-email-json-parser',\n};\n\n// This Code node parses Groq confirmation email JSON, strips markdown fences, and preserves the appointment data.\nfunction stripMarkdownFences(value) {\n const fence = String.fromCharCode(96).repeat(3);\n return String(value ?? '')\n .trim()\n .replace(new RegExp('^' + fence + '(?:json)?\\\\s*', 'i'), '')\n .replace(new RegExp('\\\\s*' + fence + '$', 'i'), '')\n .trim();\n}\n\nconst sourceItems = $('Build Confirmation Groq Request').all();\n\nreturn $input.all().map((item, index) => {\n const base = sourceItems[index]?.json || {};\n const rawContent =\n item.json?.choices?.[0]?.message?.content ??\n item.json?.body?.choices?.[0]?.message?.content ??\n item.json?.data?.choices?.[0]?.message?.content;\n\n if (!rawContent) {\n throw new Error('Groq response missing choices[0].message.content');\n }\n\n let parsed;\n const cleaned = stripMarkdownFences(rawContent);\n try {\n parsed = JSON.parse(cleaned);\n } catch (error) {\n throw new Error('Groq JSON parse failed: ' + error.message + '. Cleaned response preview: ' + cleaned.slice(0, 500));\n }\n\n for (const field of ['subject', 'html_body', 'text_body']) {\n if (!parsed[field] || typeof parsed[field] !== 'string') {\n throw new Error('Groq JSON missing required string field: ' + field);\n }\n }\n\n return {\n json: {\n ...base,\n email_subject: parsed.subject,\n email_html: parsed.html_body,\n email_text: parsed.text_body,\n groqParsedBy: clientConfig.parserName,\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "790ed75c-753d-412e-836d-9529cc735cd0", "name": "Send Confirmation Email via Gmail", "type": "n8n-nodes-base.gmail", "position": [ 580, -520 ], "parameters": { "sendTo": "={{ $json.email }}", "subject": "={{ $json.email_subject }}", "message": "={{ $json.email_html }}", "emailType": "html", "options": { "appendAttribution": false } }, "typeVersion": 2.1 }, { "id": "6eb75115-a412-4a66-bc89-882880a49331", "name": "Hourly 24h Reminder Trigger", "type": "n8n-nodes-base.scheduleTrigger", "position": [ -980, -180 ], "parameters": { "rule": { "interval": [ { "field": "hours", "hoursInterval": 1, "triggerAtMinute": 0 } ] } }, "typeVersion": 1.2 }, { "id": "ded0c902-d3a5-488a-878d-43069831fe49", "name": "Select Appointments Needing 24h Reminder", "type": "n8n-nodes-base.postgres", "position": [ -720, -180 ], "parameters": { "operation": "executeQuery", "query": "SELECT\n id,\n name,\n email,\n phone,\n service_type,\n datetime,\n status,\n reminder_24h_sent,\n reminder_2h_sent,\n review_sent,\n followup_count,\n created_at\nFROM appointments\nWHERE status IN ('pending', 'confirmed')\n AND reminder_24h_sent = false\n AND datetime >= NOW()\n AND datetime <= NOW() + INTERVAL '24 hours'\nORDER BY datetime ASC;", "options": {} }, "typeVersion": 2.6 }, { "id": "da93eb7f-9078-4cdc-8be9-39140106240b", "name": "Build 24h Reminder Groq Request", "type": "n8n-nodes-base.code", "position": [ -460, -180 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n businessName: env.CLIENT_BUSINESS_NAME || 'Your Business',\n timezone: env.CLIENT_TIMEZONE || 'Europe/Tirane',\n location: env.CLIENT_LOCATION || 'Your appointment location',\n supportEmail: env.CLIENT_SUPPORT_EMAIL || 'support@example.com',\n tone: env.CLIENT_EMAIL_TONE || 'warm, concise, professional',\n cancellationWebhookUrl: env.CANCEL_WEBHOOK_PUBLIC_URL || 'https://n8n.example.com/webhook/appointments/cancel',\n confirmationWebhookUrl: env.CONFIRM_WEBHOOK_PUBLIC_URL || 'https://n8n.example.com/webhook/appointments/confirm',\n rescheduleUrl: env.RESCHEDULE_URL || 'https://example.com/reschedule',\n googleMapsReviewUrl: env.GOOGLE_MAPS_REVIEW_URL || 'https://maps.google.com/?q=your-business',\n waitlistClaimUrl: env.WAITLIST_CLAIM_URL || 'https://example.com/claim-slot',\n serviceInstructionsJson: env.SERVICE_INSTRUCTIONS_JSON || '{}',\n extra: {},\n};\n\n// This Code node builds the Groq request for the 24-hour reminder email using client timing/link config.\nfunction safeJsonParse(value, fallback) {\n try {\n return JSON.parse(value);\n } catch (_) {\n return fallback;\n }\n}\n\nfunction makeGroqRequest(messageType, appointment, waitlistCandidate) {\n const appointmentId = appointment.id;\n const links = {\n confirm: clientConfig.confirmationWebhookUrl + '?appointment_id=' + encodeURIComponent(appointmentId),\n cancel: clientConfig.cancellationWebhookUrl + '?appointment_id=' + encodeURIComponent(appointmentId),\n reschedule: clientConfig.rescheduleUrl,\n review: clientConfig.googleMapsReviewUrl,\n waitlistClaim: waitlistCandidate?.id\n ? clientConfig.waitlistClaimUrl + '?waitlist_id=' + encodeURIComponent(waitlistCandidate.id) + '&appointment_id=' + encodeURIComponent(appointmentId)\n : clientConfig.waitlistClaimUrl,\n };\n\n return {\n model: 'llama-3.3-70b-versatile',\n temperature: 0.3,\n max_tokens: 500,\n response_format: { type: 'json_object' },\n messages: [\n {\n role: 'system',\n content: [\n 'You generate transactional appointment emails.',\n 'Return JSON only with exactly these keys: subject, html_body, text_body.',\n 'Do not wrap the JSON in markdown fences.',\n 'Do not invent policies, prices, addresses, or medical/legal advice.',\n 'Use the supplied business configuration and appointment data only.',\n ].join(' '),\n },\n {\n role: 'user',\n content: JSON.stringify({\n message_type: messageType,\n business: {\n name: clientConfig.businessName,\n timezone: clientConfig.timezone,\n location: clientConfig.location,\n support_email: clientConfig.supportEmail,\n tone: clientConfig.tone,\n service_instructions: safeJsonParse(clientConfig.serviceInstructionsJson, {}),\n },\n appointment,\n waitlist_candidate: waitlistCandidate || null,\n links,\n output_contract: {\n subject: 'short email subject',\n html_body: 'complete HTML email body',\n text_body: 'plain text fallback',\n },\n }),\n },\n ],\n };\n}\n\nreturn $input.all().map((item, index) => {\n const appointment = item.json;\n const waitlistCandidate = item.json.waitlistCandidate || null;\n return {\n json: {\n ...item.json,\n groqMessageType: '24h_reminder',\n groqRequest: makeGroqRequest('24h_reminder', appointment, waitlistCandidate),\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "a3c348f1-c1bb-4158-bcb5-b01448a0d3fb", "name": "Groq Generate 24h Reminder Email", "type": "n8n-nodes-base.httpRequest", "position": [ -200, -180 ], "parameters": { "method": "POST", "url": "https://api.groq.com/openai/v1/chat/completions", "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "Content-Type", "value": "application/json" } ] }, "sendBody": true, "contentType": "json", "specifyBody": "json", "jsonBody": "={{ JSON.stringify($json.groqRequest) }}", "options": {} }, "typeVersion": 4.2 }, { "id": "52c865de-911a-4154-bd31-9a224a8458cb", "name": "Parse 24h Reminder Email JSON", "type": "n8n-nodes-base.code", "position": [ 60, -180 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n parserName: env.CLIENT_EMAIL_JSON_PARSER_NAME || 'groq-email-json-parser',\n};\n\n// This Code node parses Groq 24-hour reminder JSON, strips markdown fences, and preserves the appointment data.\nfunction stripMarkdownFences(value) {\n const fence = String.fromCharCode(96).repeat(3);\n return String(value ?? '')\n .trim()\n .replace(new RegExp('^' + fence + '(?:json)?\\\\s*', 'i'), '')\n .replace(new RegExp('\\\\s*' + fence + '$', 'i'), '')\n .trim();\n}\n\nconst sourceItems = $('Build 24h Reminder Groq Request').all();\n\nreturn $input.all().map((item, index) => {\n const base = sourceItems[index]?.json || {};\n const rawContent =\n item.json?.choices?.[0]?.message?.content ??\n item.json?.body?.choices?.[0]?.message?.content ??\n item.json?.data?.choices?.[0]?.message?.content;\n\n if (!rawContent) {\n throw new Error('Groq response missing choices[0].message.content');\n }\n\n let parsed;\n const cleaned = stripMarkdownFences(rawContent);\n try {\n parsed = JSON.parse(cleaned);\n } catch (error) {\n throw new Error('Groq JSON parse failed: ' + error.message + '. Cleaned response preview: ' + cleaned.slice(0, 500));\n }\n\n for (const field of ['subject', 'html_body', 'text_body']) {\n if (!parsed[field] || typeof parsed[field] !== 'string') {\n throw new Error('Groq JSON missing required string field: ' + field);\n }\n }\n\n return {\n json: {\n ...base,\n email_subject: parsed.subject,\n email_html: parsed.html_body,\n email_text: parsed.text_body,\n groqParsedBy: clientConfig.parserName,\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "f1c4d88c-7f4c-45c1-a712-67dd7b8db5c3", "name": "Send 24h Reminder via Gmail", "type": "n8n-nodes-base.gmail", "position": [ 320, -180 ], "parameters": { "sendTo": "={{ $json.email }}", "subject": "={{ $json.email_subject }}", "message": "={{ $json.email_html }}", "emailType": "html", "options": { "appendAttribution": false } }, "typeVersion": 2.1 }, { "id": "9ceb60b0-36c5-4662-af2b-5c6d28d1ba94", "name": "Mark 24h Reminder Sent in Postgres", "type": "n8n-nodes-base.postgres", "position": [ 580, -180 ], "parameters": { "operation": "executeQuery", "query": "UPDATE appointments\nSET reminder_24h_sent = true\nWHERE id = $1::uuid\nRETURNING id, reminder_24h_sent;", "options": { "queryReplacement": "={{ [$('Parse 24h Reminder Email JSON').item.json.id] }}" } }, "typeVersion": 2.6 }, { "id": "cf1d2c0e-fb3c-486d-95e2-de80b3f17997", "name": "Every 30m 2h Reminder Trigger", "type": "n8n-nodes-base.scheduleTrigger", "position": [ -980, 160 ], "parameters": { "rule": { "interval": [ { "field": "minutes", "minutesInterval": 30 } ] } }, "typeVersion": 1.2 }, { "id": "ddc349b1-8f83-4da1-880e-1d00ae1b2395", "name": "Select Appointments Needing 2h Reminder", "type": "n8n-nodes-base.postgres", "position": [ -720, 160 ], "parameters": { "operation": "executeQuery", "query": "SELECT\n id,\n name,\n email,\n phone,\n service_type,\n datetime,\n status,\n reminder_24h_sent,\n reminder_2h_sent,\n review_sent,\n followup_count,\n created_at\nFROM appointments\nWHERE status IN ('pending', 'confirmed')\n AND reminder_2h_sent = false\n AND datetime >= NOW()\n AND datetime <= NOW() + INTERVAL '2 hours'\nORDER BY datetime ASC;", "options": {} }, "typeVersion": 2.6 }, { "id": "0e54782a-eec0-4a21-bf84-e87575568653", "name": "Build 2h Reminder Groq Request", "type": "n8n-nodes-base.code", "position": [ -460, 160 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n businessName: env.CLIENT_BUSINESS_NAME || 'Your Business',\n timezone: env.CLIENT_TIMEZONE || 'Europe/Tirane',\n location: env.CLIENT_LOCATION || 'Your appointment location',\n supportEmail: env.CLIENT_SUPPORT_EMAIL || 'support@example.com',\n tone: env.CLIENT_EMAIL_TONE || 'warm, concise, professional',\n cancellationWebhookUrl: env.CANCEL_WEBHOOK_PUBLIC_URL || 'https://n8n.example.com/webhook/appointments/cancel',\n confirmationWebhookUrl: env.CONFIRM_WEBHOOK_PUBLIC_URL || 'https://n8n.example.com/webhook/appointments/confirm',\n rescheduleUrl: env.RESCHEDULE_URL || 'https://example.com/reschedule',\n googleMapsReviewUrl: env.GOOGLE_MAPS_REVIEW_URL || 'https://maps.google.com/?q=your-business',\n waitlistClaimUrl: env.WAITLIST_CLAIM_URL || 'https://example.com/claim-slot',\n serviceInstructionsJson: env.SERVICE_INSTRUCTIONS_JSON || '{}',\n extra: {},\n};\n\n// This Code node builds the Groq request for the 2-hour final reminder email.\nfunction safeJsonParse(value, fallback) {\n try {\n return JSON.parse(value);\n } catch (_) {\n return fallback;\n }\n}\n\nfunction makeGroqRequest(messageType, appointment, waitlistCandidate) {\n const appointmentId = appointment.id;\n const links = {\n confirm: clientConfig.confirmationWebhookUrl + '?appointment_id=' + encodeURIComponent(appointmentId),\n cancel: clientConfig.cancellationWebhookUrl + '?appointment_id=' + encodeURIComponent(appointmentId),\n reschedule: clientConfig.rescheduleUrl,\n review: clientConfig.googleMapsReviewUrl,\n waitlistClaim: waitlistCandidate?.id\n ? clientConfig.waitlistClaimUrl + '?waitlist_id=' + encodeURIComponent(waitlistCandidate.id) + '&appointment_id=' + encodeURIComponent(appointmentId)\n : clientConfig.waitlistClaimUrl,\n };\n\n return {\n model: 'llama-3.3-70b-versatile',\n temperature: 0.3,\n max_tokens: 500,\n response_format: { type: 'json_object' },\n messages: [\n {\n role: 'system',\n content: [\n 'You generate transactional appointment emails.',\n 'Return JSON only with exactly these keys: subject, html_body, text_body.',\n 'Do not wrap the JSON in markdown fences.',\n 'Do not invent policies, prices, addresses, or medical/legal advice.',\n 'Use the supplied business configuration and appointment data only.',\n ].join(' '),\n },\n {\n role: 'user',\n content: JSON.stringify({\n message_type: messageType,\n business: {\n name: clientConfig.businessName,\n timezone: clientConfig.timezone,\n location: clientConfig.location,\n support_email: clientConfig.supportEmail,\n tone: clientConfig.tone,\n service_instructions: safeJsonParse(clientConfig.serviceInstructionsJson, {}),\n },\n appointment,\n waitlist_candidate: waitlistCandidate || null,\n links,\n output_contract: {\n subject: 'short email subject',\n html_body: 'complete HTML email body',\n text_body: 'plain text fallback',\n },\n }),\n },\n ],\n };\n}\n\nreturn $input.all().map((item, index) => {\n const appointment = item.json;\n const waitlistCandidate = item.json.waitlistCandidate || null;\n return {\n json: {\n ...item.json,\n groqMessageType: '2h_reminder',\n groqRequest: makeGroqRequest('2h_reminder', appointment, waitlistCandidate),\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "11889486-406e-4f0a-8d29-458785701cb0", "name": "Groq Generate 2h Reminder Email", "type": "n8n-nodes-base.httpRequest", "position": [ -200, 160 ], "parameters": { "method": "POST", "url": "https://api.groq.com/openai/v1/chat/completions", "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "Content-Type", "value": "application/json" } ] }, "sendBody": true, "contentType": "json", "specifyBody": "json", "jsonBody": "={{ JSON.stringify($json.groqRequest) }}", "options": {} }, "typeVersion": 4.2 }, { "id": "f06ead89-2b95-49b9-b710-c5cd25325c29", "name": "Parse 2h Reminder Email JSON", "type": "n8n-nodes-base.code", "position": [ 60, 160 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n parserName: env.CLIENT_EMAIL_JSON_PARSER_NAME || 'groq-email-json-parser',\n};\n\n// This Code node parses Groq 2-hour reminder JSON, strips markdown fences, and preserves the appointment data.\nfunction stripMarkdownFences(value) {\n const fence = String.fromCharCode(96).repeat(3);\n return String(value ?? '')\n .trim()\n .replace(new RegExp('^' + fence + '(?:json)?\\\\s*', 'i'), '')\n .replace(new RegExp('\\\\s*' + fence + '$', 'i'), '')\n .trim();\n}\n\nconst sourceItems = $('Build 2h Reminder Groq Request').all();\n\nreturn $input.all().map((item, index) => {\n const base = sourceItems[index]?.json || {};\n const rawContent =\n item.json?.choices?.[0]?.message?.content ??\n item.json?.body?.choices?.[0]?.message?.content ??\n item.json?.data?.choices?.[0]?.message?.content;\n\n if (!rawContent) {\n throw new Error('Groq response missing choices[0].message.content');\n }\n\n let parsed;\n const cleaned = stripMarkdownFences(rawContent);\n try {\n parsed = JSON.parse(cleaned);\n } catch (error) {\n throw new Error('Groq JSON parse failed: ' + error.message + '. Cleaned response preview: ' + cleaned.slice(0, 500));\n }\n\n for (const field of ['subject', 'html_body', 'text_body']) {\n if (!parsed[field] || typeof parsed[field] !== 'string') {\n throw new Error('Groq JSON missing required string field: ' + field);\n }\n }\n\n return {\n json: {\n ...base,\n email_subject: parsed.subject,\n email_html: parsed.html_body,\n email_text: parsed.text_body,\n groqParsedBy: clientConfig.parserName,\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "a36531d9-2595-485a-81a1-a7a53fe0a953", "name": "Send 2h Reminder via Gmail", "type": "n8n-nodes-base.gmail", "position": [ 320, 160 ], "parameters": { "sendTo": "={{ $json.email }}", "subject": "={{ $json.email_subject }}", "message": "={{ $json.email_html }}", "emailType": "html", "options": { "appendAttribution": false } }, "typeVersion": 2.1 }, { "id": "8f5a2f82-dbf7-4852-83d0-7e54b04f8514", "name": "Mark 2h Reminder Sent in Postgres", "type": "n8n-nodes-base.postgres", "position": [ 580, 160 ], "parameters": { "operation": "executeQuery", "query": "UPDATE appointments\nSET reminder_2h_sent = true\nWHERE id = $1::uuid\nRETURNING id, reminder_2h_sent;", "options": { "queryReplacement": "={{ [$('Parse 2h Reminder Email JSON').item.json.id] }}" } }, "typeVersion": 2.6 }, { "id": "dba825a9-4640-4493-9451-b9639c72956e", "name": "Cancellation Webhook Listener", "type": "n8n-nodes-base.webhook", "position": [ -980, 500 ], "parameters": { "path": "appointments/cancel", "httpMethod": "GET", "responseMode": "onReceived", "options": {} }, "typeVersion": 2.1 }, { "id": "1b6f6914-1e0d-4694-80b2-4d4b4d013b27", "name": "Normalize Cancellation Request", "type": "n8n-nodes-base.code", "position": [ -720, 500 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n acceptedIdFields: (env.CANCEL_APPOINTMENT_ID_FIELDS || 'appointment_id,id').split(',').map((value) => value.trim()),\n};\n\n// This Code node extracts the appointment id from cancellation webhook query/body data and prepares a parameterized update.\nfunction pickAppointmentId(payload) {\n const roots = [payload?.query, payload?.body, payload?.params, payload].filter(Boolean);\n for (const root of roots) {\n for (const key of clientConfig.acceptedIdFields) {\n if (root[key]) return String(root[key]).trim();\n }\n }\n return '';\n}\n\nreturn $input.all().map((item, index) => {\n const appointmentId = pickAppointmentId(item.json);\n if (!appointmentId) throw new Error('Cancellation request missing appointment_id');\n return {\n json: {\n appointment_id: appointmentId,\n pgParams: [appointmentId],\n clientConfig,\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "6f9f6ce5-a220-4c90-aeca-903c8a4e8341", "name": "Cancel Appointment in Postgres", "type": "n8n-nodes-base.postgres", "position": [ -460, 500 ], "parameters": { "operation": "executeQuery", "query": "UPDATE appointments\nSET status = 'cancelled'\nWHERE id = $1::uuid\n AND status <> 'cancelled'\nRETURNING\n id,\n name,\n email,\n phone,\n service_type,\n datetime,\n status,\n reminder_24h_sent,\n reminder_2h_sent,\n review_sent,\n followup_count,\n created_at;", "options": { "queryReplacement": "={{ $json.pgParams }}" } }, "typeVersion": 2.6 }, { "id": "e7e4231c-3752-4be2-be95-856d683ae0fc", "name": "Select Next Waitlist Candidate", "type": "n8n-nodes-base.postgres", "position": [ -200, 500 ], "parameters": { "operation": "executeQuery", "query": "SELECT\n id,\n name,\n email,\n phone,\n service_type,\n preferred_datetime,\n status,\n created_at\nFROM waitlist\nWHERE status = 'waiting'\n AND service_type = $1\n AND preferred_datetime = $2::timestamptz\nORDER BY created_at ASC\nLIMIT 1;", "options": { "queryReplacement": "={{ [$json.service_type, $json.datetime] }}" } }, "typeVersion": 2.6 }, { "id": "29a0d89b-e88f-4c23-a5c4-a484c37de8ff", "name": "Waitlist Candidate Exists", "type": "n8n-nodes-base.if", "position": [ 60, 500 ], "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 2 }, "conditions": [ { "id": "f98e2bcd-bbf4-43d2-9aab-571551223438", "leftValue": "={{ $json.email }}", "rightValue": "", "operator": { "type": "string", "operation": "exists", "singleValue": true } } ], "combinator": "and" }, "options": {} }, "typeVersion": 2.2 }, { "id": "a264bf0b-af9b-4706-afa7-3e32794579a5", "name": "Prepare Waitlist Offer Context", "type": "n8n-nodes-base.code", "position": [ 320, 500 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n waitlistClaimUrl: env.WAITLIST_CLAIM_URL || 'https://example.com/claim-slot',\n};\n\n// This Code node combines the cancelled appointment with the first waitlist candidate before asking Groq to write the offer email.\nconst cancelledAppointment = $('Cancel Appointment in Postgres').first().json;\n\nreturn $input.all().map((item, index) => {\n return {\n json: {\n ...cancelledAppointment,\n waitlistCandidate: item.json,\n clientConfig,\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "52cb9139-48a6-43ce-8344-4fd3dc927d88", "name": "Build Waitlist Offer Groq Request", "type": "n8n-nodes-base.code", "position": [ 580, 500 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n businessName: env.CLIENT_BUSINESS_NAME || 'Your Business',\n timezone: env.CLIENT_TIMEZONE || 'Europe/Tirane',\n location: env.CLIENT_LOCATION || 'Your appointment location',\n supportEmail: env.CLIENT_SUPPORT_EMAIL || 'support@example.com',\n tone: env.CLIENT_EMAIL_TONE || 'warm, concise, professional',\n cancellationWebhookUrl: env.CANCEL_WEBHOOK_PUBLIC_URL || 'https://n8n.example.com/webhook/appointments/cancel',\n confirmationWebhookUrl: env.CONFIRM_WEBHOOK_PUBLIC_URL || 'https://n8n.example.com/webhook/appointments/confirm',\n rescheduleUrl: env.RESCHEDULE_URL || 'https://example.com/reschedule',\n googleMapsReviewUrl: env.GOOGLE_MAPS_REVIEW_URL || 'https://maps.google.com/?q=your-business',\n waitlistClaimUrl: env.WAITLIST_CLAIM_URL || 'https://example.com/claim-slot',\n serviceInstructionsJson: env.SERVICE_INSTRUCTIONS_JSON || '{}',\n extra: {},\n};\n\n// This Code node builds the Groq request for the waitlist slot-offer email.\nfunction safeJsonParse(value, fallback) {\n try {\n return JSON.parse(value);\n } catch (_) {\n return fallback;\n }\n}\n\nfunction makeGroqRequest(messageType, appointment, waitlistCandidate) {\n const appointmentId = appointment.id;\n const links = {\n confirm: clientConfig.confirmationWebhookUrl + '?appointment_id=' + encodeURIComponent(appointmentId),\n cancel: clientConfig.cancellationWebhookUrl + '?appointment_id=' + encodeURIComponent(appointmentId),\n reschedule: clientConfig.rescheduleUrl,\n review: clientConfig.googleMapsReviewUrl,\n waitlistClaim: waitlistCandidate?.id\n ? clientConfig.waitlistClaimUrl + '?waitlist_id=' + encodeURIComponent(waitlistCandidate.id) + '&appointment_id=' + encodeURIComponent(appointmentId)\n : clientConfig.waitlistClaimUrl,\n };\n\n return {\n model: 'llama-3.3-70b-versatile',\n temperature: 0.3,\n max_tokens: 500,\n response_format: { type: 'json_object' },\n messages: [\n {\n role: 'system',\n content: [\n 'You generate transactional appointment emails.',\n 'Return JSON only with exactly these keys: subject, html_body, text_body.',\n 'Do not wrap the JSON in markdown fences.',\n 'Do not invent policies, prices, addresses, or medical/legal advice.',\n 'Use the supplied business configuration and appointment data only.',\n ].join(' '),\n },\n {\n role: 'user',\n content: JSON.stringify({\n message_type: messageType,\n business: {\n name: clientConfig.businessName,\n timezone: clientConfig.timezone,\n location: clientConfig.location,\n support_email: clientConfig.supportEmail,\n tone: clientConfig.tone,\n service_instructions: safeJsonParse(clientConfig.serviceInstructionsJson, {}),\n },\n appointment,\n waitlist_candidate: waitlistCandidate || null,\n links,\n output_contract: {\n subject: 'short email subject',\n html_body: 'complete HTML email body',\n text_body: 'plain text fallback',\n },\n }),\n },\n ],\n };\n}\n\nreturn $input.all().map((item, index) => {\n const appointment = item.json;\n const waitlistCandidate = item.json.waitlistCandidate || null;\n return {\n json: {\n ...item.json,\n groqMessageType: 'waitlist_slot_offer',\n groqRequest: makeGroqRequest('waitlist_slot_offer', appointment, waitlistCandidate),\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "35b0e5e3-8f8f-4b39-aed5-7a5823288f30", "name": "Groq Generate Waitlist Offer Email", "type": "n8n-nodes-base.httpRequest", "position": [ 840, 500 ], "parameters": { "method": "POST", "url": "https://api.groq.com/openai/v1/chat/completions", "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "Content-Type", "value": "application/json" } ] }, "sendBody": true, "contentType": "json", "specifyBody": "json", "jsonBody": "={{ JSON.stringify($json.groqRequest) }}", "options": {} }, "typeVersion": 4.2 }, { "id": "e02bdaf3-2c63-416a-87d2-9c82ac645400", "name": "Parse Waitlist Offer Email JSON", "type": "n8n-nodes-base.code", "position": [ 1100, 500 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n parserName: env.CLIENT_EMAIL_JSON_PARSER_NAME || 'groq-email-json-parser',\n};\n\n// This Code node parses Groq waitlist offer JSON, strips markdown fences, and preserves the candidate data.\nfunction stripMarkdownFences(value) {\n const fence = String.fromCharCode(96).repeat(3);\n return String(value ?? '')\n .trim()\n .replace(new RegExp('^' + fence + '(?:json)?\\\\s*', 'i'), '')\n .replace(new RegExp('\\\\s*' + fence + '$', 'i'), '')\n .trim();\n}\n\nconst sourceItems = $('Build Waitlist Offer Groq Request').all();\n\nreturn $input.all().map((item, index) => {\n const base = sourceItems[index]?.json || {};\n const rawContent =\n item.json?.choices?.[0]?.message?.content ??\n item.json?.body?.choices?.[0]?.message?.content ??\n item.json?.data?.choices?.[0]?.message?.content;\n\n if (!rawContent) {\n throw new Error('Groq response missing choices[0].message.content');\n }\n\n let parsed;\n const cleaned = stripMarkdownFences(rawContent);\n try {\n parsed = JSON.parse(cleaned);\n } catch (error) {\n throw new Error('Groq JSON parse failed: ' + error.message + '. Cleaned response preview: ' + cleaned.slice(0, 500));\n }\n\n for (const field of ['subject', 'html_body', 'text_body']) {\n if (!parsed[field] || typeof parsed[field] !== 'string') {\n throw new Error('Groq JSON missing required string field: ' + field);\n }\n }\n\n return {\n json: {\n ...base,\n email_subject: parsed.subject,\n email_html: parsed.html_body,\n email_text: parsed.text_body,\n groqParsedBy: clientConfig.parserName,\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "e6a65f0a-e212-46d5-8d20-e05880a4eee8", "name": "Offer Slot to Waitlist via Gmail", "type": "n8n-nodes-base.gmail", "position": [ 1360, 500 ], "parameters": { "sendTo": "={{ $json.waitlistCandidate.email }}", "subject": "={{ $json.email_subject }}", "message": "={{ $json.email_html }}", "emailType": "html", "options": { "appendAttribution": false } }, "typeVersion": 2.1 }, { "id": "51c57605-9d75-44f1-88e6-71e131be90bd", "name": "Review Request Schedule Trigger", "type": "n8n-nodes-base.scheduleTrigger", "position": [ -980, 840 ], "parameters": { "rule": { "interval": [ { "field": "minutes", "minutesInterval": 30 } ] } }, "typeVersion": 1.2 }, { "id": "97f9c21c-a644-4d05-9bbe-1a8f9f91477f", "name": "Prepare Review Scan Window", "type": "n8n-nodes-base.code", "position": [ -720, 840 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n appointmentDurationMinutes: Number(env.APPOINTMENT_DURATION_MINUTES || 60),\n reviewDelayMinutes: Number(env.REVIEW_DELAY_MINUTES || 120),\n};\n\n// This Code node converts client timing config into a review cutoff timestamp used as a Postgres query parameter.\nconst cutoffMs = Date.now() - ((clientConfig.appointmentDurationMinutes + clientConfig.reviewDelayMinutes) * 60 * 1000);\nconst reviewCutoffIso = new Date(cutoffMs).toISOString();\n\nreturn [\n {\n json: {\n reviewCutoffIso,\n pgParams: [reviewCutoffIso],\n clientConfig,\n },\n },\n];" }, "typeVersion": 2 }, { "id": "1e0d84ab-c51f-430a-bc49-2c5d214c9e75", "name": "Select Appointments Needing Review Request", "type": "n8n-nodes-base.postgres", "position": [ -460, 840 ], "parameters": { "operation": "executeQuery", "query": "SELECT\n id,\n name,\n email,\n phone,\n service_type,\n datetime,\n status,\n reminder_24h_sent,\n reminder_2h_sent,\n review_sent,\n followup_count,\n created_at\nFROM appointments\nWHERE status = 'completed'\n AND review_sent = false\n AND datetime <= $1::timestamptz\nORDER BY datetime ASC;", "options": { "queryReplacement": "={{ $json.pgParams }}" } }, "typeVersion": 2.6 }, { "id": "86413806-5c09-4154-9971-c048d2b7445f", "name": "Build Review Request Groq Email", "type": "n8n-nodes-base.code", "position": [ -200, 840 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n businessName: env.CLIENT_BUSINESS_NAME || 'Your Business',\n timezone: env.CLIENT_TIMEZONE || 'Europe/Tirane',\n location: env.CLIENT_LOCATION || 'Your appointment location',\n supportEmail: env.CLIENT_SUPPORT_EMAIL || 'support@example.com',\n tone: env.CLIENT_EMAIL_TONE || 'warm, concise, professional',\n cancellationWebhookUrl: env.CANCEL_WEBHOOK_PUBLIC_URL || 'https://n8n.example.com/webhook/appointments/cancel',\n confirmationWebhookUrl: env.CONFIRM_WEBHOOK_PUBLIC_URL || 'https://n8n.example.com/webhook/appointments/confirm',\n rescheduleUrl: env.RESCHEDULE_URL || 'https://example.com/reschedule',\n googleMapsReviewUrl: env.GOOGLE_MAPS_REVIEW_URL || 'https://maps.google.com/?q=your-business',\n waitlistClaimUrl: env.WAITLIST_CLAIM_URL || 'https://example.com/claim-slot',\n serviceInstructionsJson: env.SERVICE_INSTRUCTIONS_JSON || '{}',\n extra: {},\n};\n\n// This Code node builds the Groq request for the post-visit review email.\nfunction safeJsonParse(value, fallback) {\n try {\n return JSON.parse(value);\n } catch (_) {\n return fallback;\n }\n}\n\nfunction makeGroqRequest(messageType, appointment, waitlistCandidate) {\n const appointmentId = appointment.id;\n const links = {\n confirm: clientConfig.confirmationWebhookUrl + '?appointment_id=' + encodeURIComponent(appointmentId),\n cancel: clientConfig.cancellationWebhookUrl + '?appointment_id=' + encodeURIComponent(appointmentId),\n reschedule: clientConfig.rescheduleUrl,\n review: clientConfig.googleMapsReviewUrl,\n waitlistClaim: waitlistCandidate?.id\n ? clientConfig.waitlistClaimUrl + '?waitlist_id=' + encodeURIComponent(waitlistCandidate.id) + '&appointment_id=' + encodeURIComponent(appointmentId)\n : clientConfig.waitlistClaimUrl,\n };\n\n return {\n model: 'llama-3.3-70b-versatile',\n temperature: 0.3,\n max_tokens: 500,\n response_format: { type: 'json_object' },\n messages: [\n {\n role: 'system',\n content: [\n 'You generate transactional appointment emails.',\n 'Return JSON only with exactly these keys: subject, html_body, text_body.',\n 'Do not wrap the JSON in markdown fences.',\n 'Do not invent policies, prices, addresses, or medical/legal advice.',\n 'Use the supplied business configuration and appointment data only.',\n ].join(' '),\n },\n {\n role: 'user',\n content: JSON.stringify({\n message_type: messageType,\n business: {\n name: clientConfig.businessName,\n timezone: clientConfig.timezone,\n location: clientConfig.location,\n support_email: clientConfig.supportEmail,\n tone: clientConfig.tone,\n service_instructions: safeJsonParse(clientConfig.serviceInstructionsJson, {}),\n },\n appointment,\n waitlist_candidate: waitlistCandidate || null,\n links,\n output_contract: {\n subject: 'short email subject',\n html_body: 'complete HTML email body',\n text_body: 'plain text fallback',\n },\n }),\n },\n ],\n };\n}\n\nreturn $input.all().map((item, index) => {\n const appointment = item.json;\n const waitlistCandidate = item.json.waitlistCandidate || null;\n return {\n json: {\n ...item.json,\n groqMessageType: 'review_request',\n groqRequest: makeGroqRequest('review_request', appointment, waitlistCandidate),\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "8b2a2344-313e-42e2-abe6-e15bfbb5e431", "name": "Groq Generate Review Request Email", "type": "n8n-nodes-base.httpRequest", "position": [ 60, 840 ], "parameters": { "method": "POST", "url": "https://api.groq.com/openai/v1/chat/completions", "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "Content-Type", "value": "application/json" } ] }, "sendBody": true, "contentType": "json", "specifyBody": "json", "jsonBody": "={{ JSON.stringify($json.groqRequest) }}", "options": {} }, "typeVersion": 4.2 }, { "id": "3575458e-c38d-480e-add1-b09bf4412e28", "name": "Parse Review Request Email JSON", "type": "n8n-nodes-base.code", "position": [ 320, 840 ], "parameters": { "jsCode": "const env = (typeof $env !== 'undefined') ? $env : ((typeof process !== 'undefined' && process.env) ? process.env : {});\n\nconst clientConfig = {\n parserName: env.CLIENT_EMAIL_JSON_PARSER_NAME || 'groq-email-json-parser',\n};\n\n// This Code node parses Groq review request JSON, strips markdown fences, and preserves the appointment data.\nfunction stripMarkdownFences(value) {\n const fence = String.fromCharCode(96).repeat(3);\n return String(value ?? '')\n .trim()\n .replace(new RegExp('^' + fence + '(?:json)?\\\\s*', 'i'), '')\n .replace(new RegExp('\\\\s*' + fence + '$', 'i'), '')\n .trim();\n}\n\nconst sourceItems = $('Build Review Request Groq Email').all();\n\nreturn $input.all().map((item, index) => {\n const base = sourceItems[index]?.json || {};\n const rawContent =\n item.json?.choices?.[0]?.message?.content ??\n item.json?.body?.choices?.[0]?.message?.content ??\n item.json?.data?.choices?.[0]?.message?.content;\n\n if (!rawContent) {\n throw new Error('Groq response missing choices[0].message.content');\n }\n\n let parsed;\n const cleaned = stripMarkdownFences(rawContent);\n try {\n parsed = JSON.parse(cleaned);\n } catch (error) {\n throw new Error('Groq JSON parse failed: ' + error.message + '. Cleaned response preview: ' + cleaned.slice(0, 500));\n }\n\n for (const field of ['subject', 'html_body', 'text_body']) {\n if (!parsed[field] || typeof parsed[field] !== 'string') {\n throw new Error('Groq JSON missing required string field: ' + field);\n }\n }\n\n return {\n json: {\n ...base,\n email_subject: parsed.subject,\n email_html: parsed.html_body,\n email_text: parsed.text_body,\n groqParsedBy: clientConfig.parserName,\n },\n pairedItem: { item: index },\n };\n});" }, "typeVersion": 2 }, { "id": "76fce730-5c8f-4f20-83c1-aa19f151ec59", "name": "Send Review Request via Gmail", "type": "n8n-nodes-base.gmail", "position": [ 580, 840 ], "parameters": { "sendTo": "={{ $json.email }}", "subject": "={{ $json.email_subject }}", "message": "={{ $json.email_html }}", "emailType": "html", "options": { "appendAttribution": false } }, "typeVersion": 2.1 }, { "id": "38f7a419-7e71-48cf-b120-38e385d66ce4", "name": "Mark Review Request Sent in Postgres", "type": "n8n-nodes-base.postgres", "position": [ 840, 840 ], "parameters": { "operation": "executeQuery", "query": "UPDATE appointments\nSET review_sent = true\nWHERE id = $1::uuid\nRETURNING id, review_sent;", "options": { "queryReplacement": "={{ [$('Parse Review Request Email JSON').item.json.id] }}" } }, "typeVersion": 2.6 } ], "connections": { "Tally Booking Webhook": { "main": [ [ { "node": "Normalize Tally Booking Payload", "type": "main", "index": 0 } ] ] }, "Normalize Tally Booking Payload": { "main": [ [ { "node": "Insert Appointment in Postgres", "type": "main", "index": 0 } ] ] }, "Insert Appointment in Postgres": { "main": [ [ { "node": "Build Confirmation Groq Request", "type": "main", "index": 0 } ] ] }, "Build Confirmation Groq Request": { "main": [ [ { "node": "Groq Generate Confirmation Email", "type": "main", "index": 0 } ] ] }, "Groq Generate Confirmation Email": { "main": [ [ { "node": "Parse Confirmation Email JSON", "type": "main", "index": 0 } ] ] }, "Parse Confirmation Email JSON": { "main": [ [ { "node": "Send Confirmation Email via Gmail", "type": "main", "index": 0 } ] ] }, "Hourly 24h Reminder Trigger": { "main": [ [ { "node": "Select Appointments Needing 24h Reminder", "type": "main", "index": 0 } ] ] }, "Select Appointments Needing 24h Reminder": { "main": [ [ { "node": "Build 24h Reminder Groq Request", "type": "main", "index": 0 } ] ] }, "Build 24h Reminder Groq Request": { "main": [ [ { "node": "Groq Generate 24h Reminder Email", "type": "main", "index": 0 } ] ] }, "Groq Generate 24h Reminder Email": { "main": [ [ { "node": "Parse 24h Reminder Email JSON", "type": "main", "index": 0 } ] ] }, "Parse 24h Reminder Email JSON": { "main": [ [ { "node": "Send 24h Reminder via Gmail", "type": "main", "index": 0 } ] ] }, "Send 24h Reminder via Gmail": { "main": [ [ { "node": "Mark 24h Reminder Sent in Postgres", "type": "main", "index": 0 } ] ] }, "Every 30m 2h Reminder Trigger": { "main": [ [ { "node": "Select Appointments Needing 2h Reminder", "type": "main", "index": 0 } ] ] }, "Select Appointments Needing 2h Reminder": { "main": [ [ { "node": "Build 2h Reminder Groq Request", "type": "main", "index": 0 } ] ] }, "Build 2h Reminder Groq Request": { "main": [ [ { "node": "Groq Generate 2h Reminder Email", "type": "main", "index": 0 } ] ] }, "Groq Generate 2h Reminder Email": { "main": [ [ { "node": "Parse 2h Reminder Email JSON", "type": "main", "index": 0 } ] ] }, "Parse 2h Reminder Email JSON": { "main": [ [ { "node": "Send 2h Reminder via Gmail", "type": "main", "index": 0 } ] ] }, "Send 2h Reminder via Gmail": { "main": [ [ { "node": "Mark 2h Reminder Sent in Postgres", "type": "main", "index": 0 } ] ] }, "Cancellation Webhook Listener": { "main": [ [ { "node": "Normalize Cancellation Request", "type": "main", "index": 0 } ] ] }, "Normalize Cancellation Request": { "main": [ [ { "node": "Cancel Appointment in Postgres", "type": "main", "index": 0 } ] ] }, "Cancel Appointment in Postgres": { "main": [ [ { "node": "Select Next Waitlist Candidate", "type": "main", "index": 0 } ] ] }, "Select Next Waitlist Candidate": { "main": [ [ { "node": "Waitlist Candidate Exists", "type": "main", "index": 0 } ] ] }, "Waitlist Candidate Exists": { "main": [ [ { "node": "Prepare Waitlist Offer Context", "type": "main", "index": 0 } ] ] }, "Prepare Waitlist Offer Context": { "main": [ [ { "node": "Build Waitlist Offer Groq Request", "type": "main", "index": 0 } ] ] }, "Build Waitlist Offer Groq Request": { "main": [ [ { "node": "Groq Generate Waitlist Offer Email", "type": "main", "index": 0 } ] ] }, "Groq Generate Waitlist Offer Email": { "main": [ [ { "node": "Parse Waitlist Offer Email JSON", "type": "main", "index": 0 } ] ] }, "Parse Waitlist Offer Email JSON": { "main": [ [ { "node": "Offer Slot to Waitlist via Gmail", "type": "main", "index": 0 } ] ] }, "Review Request Schedule Trigger": { "main": [ [ { "node": "Prepare Review Scan Window", "type": "main", "index": 0 } ] ] }, "Prepare Review Scan Window": { "main": [ [ { "node": "Select Appointments Needing Review Request", "type": "main", "index": 0 } ] ] }, "Select Appointments Needing Review Request": { "main": [ [ { "node": "Build Review Request Groq Email", "type": "main", "index": 0 } ] ] }, "Build Review Request Groq Email": { "main": [ [ { "node": "Groq Generate Review Request Email", "type": "main", "index": 0 } ] ] }, "Groq Generate Review Request Email": { "main": [ [ { "node": "Parse Review Request Email JSON", "type": "main", "index": 0 } ] ] }, "Parse Review Request Email JSON": { "main": [ [ { "node": "Send Review Request via Gmail", "type": "main", "index": 0 } ] ] }, "Send Review Request via Gmail": { "main": [ [ { "node": "Mark Review Request Sent in Postgres", "type": "main", "index": 0 } ] ] } }, "settings": { "executionOrder": "v1", "timezone": "Europe/Tirane" } }