Package Tracking Sub-workflow

{
  "name": "TRACK_PACKAGE",
  "nodes": [
    {
      "parameters": {
        "workflowInputs": {
          "values": [
            {
              "name": "tracking_number"
            }
          ]
        }
      },
      "id": "c055762a-8fe7-4141-a639-df2372f30060",
      "typeVersion": 1.1,
      "name": "When Executed by Another Workflow",
      "type": "n8n-nodes-base.executeWorkflowTrigger",
      "position": [
        272,
        352
      ]
    },
    {
      "parameters": {
        "jsCode": "//USED TO SEND REQUEST TO YOUR DB FOR PACKAGE INFO\n\nconst RATE_LIMIT_MAX = 5;\nconst RATE_LIMIT_WINDOW_MS = 60 * 1000;\nconst trackingNumber = $input.first().json.tracking_number;\nconst userId = $json.user_id || 'anonymous';\n\nconst token = $env.TRACKING_API_TOKEN;\nconst staticData = $getWorkflowStaticData('node');\nif (!staticData.rateLimits) staticData.rateLimits = {};\n\nif (!trackingNumber) {\n  return [{ json: { error: true, errorMessage: 'Please enter a valid tracking number.', packageSummary: null } }];\n}\n\nconst now = Date.now();\nconst rl = staticData.rateLimits[userId] || { count: 0, windowStart: now };\nif (now - rl.windowStart > RATE_LIMIT_WINDOW_MS) {\n  rl.count = 0;\n  rl.windowStart = now;\n}\nif (rl.count >= RATE_LIMIT_MAX) {\n  const retryAfterSec = Math.ceil((rl.windowStart + RATE_LIMIT_WINDOW_MS - now) / 1000);\n  staticData.rateLimits[userId] = rl;\n  return [{ json: { error: true, errorMessage: `You're tracking too many packages too quickly. Please wait ${retryAfterSec}s and try again.`, packageSummary: null } }];\n}\nrl.count += 1;\nstaticData.rateLimits[userId] = rl;\n\nif (!token) {\n  return [{ json: { error: true, errorMessage: 'Tracking service is not configured. Please contact support.', packageSummary: null } }];\n}\n\ntry {\n  const response = await this.helpers.httpRequest({\n    method: 'GET',\n    url: `URL_TO_YOUR_TRACKING_WEBSITE=${encodeURIComponent(trackingNumber)}`,\n    headers: { Authorization: `Bearer ${token}`, Accept: 'application/json' },\n    timeout: 15000,\n    json: true\n  });\n\n  const pkg = response?.data;\n  if (!pkg) {\n    return [{ json: { error: true, errorMessage: 'No package data was returned. Please try again later.', packageSummary: null } }];\n  }\n\n  const packageSummary = [\n    `📦 Tracking Number: ${pkg.tracking_number || trackingNumber}`,\n    `🚚 Status: ${pkg.status || 'Not available'}`,\n    `📍 Branch: ${pkg.branch || 'Not available'}`,\n    `🚛 Courier: ${pkg.courier || 'Not available'}`,\n    `💳 Payment Status: ${pkg.payment_status || 'Not available'}`,\n    `💰 Price: ${pkg.price || 'Not available'}`,\n    `📦 Quantity: ${pkg.quantity || 'Not available'}`,\n    `⚖️ Weight: ${pkg.weight || 'Not available'}`,\n    `🚢 Shipping Mode: ${pkg.shipping_mode || 'Not available'}`\n  ].join('\\n');\n\n  return [{ json: { error: false, errorMessage: '', packageSummary } }];\n\n} catch (error) {\n  const status = error.statusCode || error.httpCode || error.response?.status;\n  let errorMessage;\n  switch (Number(status)) {\n    case 400: errorMessage = 'The tracking request was malformed. Please try again.'; break;\n    case 401: case 403: errorMessage = 'The tracking service authentication failed. Please contact support.'; break;\n    case 404: errorMessage = 'I could not find a package with that tracking number. Please verify the number and try again.'; break;\n    case 422: errorMessage = 'The tracking number format is invalid. Please check and try again.'; break;\n    case 429: errorMessage = 'Too many tracking requests. Please wait a moment and try again.'; break;\n    case 500: case 502: case 503: case 504: errorMessage = 'The tracking service is temporarily unavailable. Please try again shortly.'; break;\n    default:\n      errorMessage = error.code === 'ECONNABORTED' || /timeout/i.test(error.message || '')\n        ? 'The tracking request took too long. Please try again.'\n        : (!status ? 'I cannot connect to the tracking system right now. Please try again later.' : 'I was unable to retrieve your package information right now. Please try again later.');\n  }\n\n  return [{ json: { error: true, errorMessage, packageSummary: null } }];\n}"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        736,
        352
      ],
      "id": "ae4ac40f-95f5-4e15-997b-d7a22547f2ba",
      "name": "Code in JavaScript"
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "c07d57a2-8fdf-42ab-b7b2-f980f159bf84",
              "name": "tracking_number",
              "value": "={{ $json.tracking_number }}",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.5,
      "position": [
        496,
        352
      ],
      "id": "59b05ae2-5d34-4f5b-9a86-22fe53fe21a2",
      "name": "Edit Fields"
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "919ad6d1-4fa8-4969-a327-7b7e2f7ef245",
              "name": "packageSummary",
              "value": "=Pass the message exactly to the user as-is below. Do not alter or rewrite: {{ $json.packageSummary }}",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.5,
      "position": [
        960,
        352
      ],
      "id": "39f33ff2-97f9-47a9-99f5-fca56ff68fa2",
      "name": "Edit Fields1"
    }
  ],
  "pinData": {},
  "connections": {
    "When Executed by Another Workflow": {
      "main": [
        [
          {
            "node": "Edit Fields",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Code in JavaScript": {
      "main": [
        [
          {
            "node": "Edit Fields1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Edit Fields": {
      "main": [
        [
          {
            "node": "Code in JavaScript",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1",
    "binaryMode": "separate"
  },
  "versionId": "9305c692-99ae-4933-8ce0-e6861f6f3cdb",
  "nodeGroups": [],
  "id": "gPfw39v8Yy6r0xz1",
  "tags": []
}