Zero-dollar Booking Page (ep06)

The workflow JSON

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{
  "name": "Zero-Dollar Booking Page (ep06)",
  "nodes": [
    {
      "parameters": {
        "formTitle": "Book a call \u2014 Northgate Labs",
        "formDescription": "30 minutes, no fluff. Pick a slot.",
        "formFields": {
          "values": [
            {
              "fieldLabel": "Name",
              "placeholder": "Your name",
              "requiredField": true
            },
            {
              "fieldLabel": "Email",
              "fieldType": "email",
              "requiredField": true
            },
            {
              "fieldLabel": "Date",
              "fieldType": "date",
              "requiredField": true
            },
            {
              "fieldLabel": "Time",
              "fieldType": "dropdown",
              "fieldOptions": {
                "values": [
                  {
                    "option": "09:00"
                  },
                  {
                    "option": "10:00"
                  },
                  {
                    "option": "11:00"
                  },
                  {
                    "option": "13:00"
                  },
                  {
                    "option": "14:00"
                  },
                  {
                    "option": "15:00"
                  }
                ]
              },
              "requiredField": true
            }
          ]
        },
        "options": {}
      },
      "id": "b6000000-0000-4000-8000-000000000001",
      "name": "Booking form",
      "type": "n8n-nodes-base.formTrigger",
      "typeVersion": 2.2,
      "position": [
        220,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "// The gatekeeper \u2014 one code node instead of $10 a seat.\n// Free slot \u2192 book it, write a real calendar invite. Taken \u2192 say so.\nconst fs = require('fs');\nconst path = require('path');\nconst base = $env.EP06_DIR;\nconst file = path.join(base, 'data', 'bookings.csv');\nconst HOURS = ['09:00', '10:00', '11:00', '13:00', '14:00', '15:00'];\n\nconst b = $input.first().json;\nconst name = b.Name;\nconst email = b.Email;\nconst time = b.Time;\nconst date = String(b.Date).slice(0, 10);\n\nconst rows = fs.readFileSync(file, 'utf8').trim().split('\\n').slice(1).map((l) => l.split(','));\nconst taken = rows.some(([d, t]) => d === date && t === time);\n\nif (!HOURS.includes(time)) {\n  return [{ json: { title: 'Outside working hours', message: 'Pick a time between 09:00 and 15:00.' } }];\n}\nif (taken) {\n  return [{ json: { title: 'That slot is already taken', message: date + ' at ' + time + ' is booked \u2014 go back and pick another slot.' } }];\n}\n\nconst raw = fs.readFileSync(file, 'utf8');\nfs.writeFileSync(file, raw.trimEnd() + '\\n' + [date, time, name, email].join(',') + '\\n');\n\nconst outDir = path.join(base, 'out');\nfs.mkdirSync(outDir, { recursive: true });\nconst dt = date.replace(/-/g, '') + 'T' + time.replace(':', '') + '00';\nconst ics = [\n  'BEGIN:VCALENDAR', 'VERSION:2.0', 'PRODID:-//ships itself//booking//EN',\n  'BEGIN:VEVENT', 'UID:' + Date.now() + '@shipsitself', 'DTSTART:' + dt,\n  'DURATION:PT30M', 'SUMMARY:Call \\u2014 ' + name,\n  'DESCRIPTION:Booked via the zero-dollar page', 'END:VEVENT', 'END:VCALENDAR',\n].join('\\r\\n');\nfs.writeFileSync(path.join(outDir, 'booking-' + date + '-' + time.replace(':', '') + '.ics'), ics);\n\nreturn [{ json: { title: 'Booked: ' + date + ' at ' + time, message: 'Calendar invite written. See you there, ' + name + '.' } }];"
      },
      "id": "b6000000-0000-4000-8000-000000000002",
      "name": "The gatekeeper",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        440,
        300
      ]
    },
    {
      "parameters": {
        "operation": "completion",
        "completionTitle": "={{ $json.title }}",
        "completionMessage": "={{ $json.message }}",
        "options": {}
      },
      "id": "b6000000-0000-4000-8000-000000000003",
      "name": "Confirmation page",
      "type": "n8n-nodes-base.form",
      "typeVersion": 1,
      "position": [
        660,
        300
      ]
    }
  ],
  "connections": {
    "Booking form": {
      "main": [
        [
          {
            "node": "The gatekeeper",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "The gatekeeper": {
      "main": [
        [
          {
            "node": "Confirmation page",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}

About this workflow

Zero-Dollar Booking Page (ep06). Uses formTrigger, form. Event-driven trigger; 3 nodes.

Source: https://github.com/Ships-Itself/builds/blob/main/ep06-zero-calendly/workflow.json — original creator credit. Request a take-down →

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