Get Workflows Affected By 0 214 3 Migration

About This Script

Features:

• Receives webhook events
• Retrieves data from external sources

{
    "nodes": [
        {
            "id": "b83bfb2d-6d1b-4984-8fc4-6cf0a35309dc",
            "name": "Sticky Note",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                1380,
                960
            ],
            "parameters": {
                "width": 1074,
                "height": 468,
                "content": "Configuration note: update with your credentials or endpoint.",
                "color": "#FFF59D"
            },
            "typeVersion": 1
        },
        {
            "id": "ba065db3-be3c-4694-afbd-c9095526adf6",
            "name": "Get all workflows",
            "type": "n8n-nodes-base.n8n",
            "position": [
                1540,
                1460
            ],
            "parameters": {
                "filters": []
            },
            "credentials": {
                "n8nApi": {
                    "id": "13",
                    "name": "n8n account"
                }
            },
            "typeVersion": 1
        },
        {
            "id": "0fdd3ac4-8c11-4c90-b613-fcbe479a71f6",
            "name": "Webhook",
            "type": "n8n-nodes-base.webhook",
            "position": [
                1380,
                1460
            ],
            "webhookId": "9f6c90b5-1d0a-4dca-8009-2ee39a4f8002",
            "parameters": {
                "path": "affected-workflows",
                "options": {
                    "rawBody": false,
                    "responseHeaders": {
                        "entries": [
                            {
                                "name": "Content-Type",
                                "value": "text/html; charset=utf-8"
                            }
                        ]
                    }
                },
                "responseMode": "responseNode"
            },
            "typeVersion": 1
        },
        {
            "id": "88725f34-678a-4127-b163-368ab2fc7b39",
            "name": "Parse potentially affected workflows",
            "type": "n8n-nodes-base.code",
            "position": [
                1880,
                1460
            ],
            "parameters": {
                "jsCode": "// Define an array of objects representing node types that have multiple outputs.\n// Each object specifies the node type and the number of outputs it has.\nconst MULTI_OUTPUT_NODES = [\n  { type: 'n8n-nodes-base.compareDatasets', outputs: 4 }, \n  { type: 'n8n-nodes-base.switch', outputs: 4}, \n  { type: 'n8n-nodes-base.if', outputs: 2}\n]\n\n// Initialize an empty array to store the affected workflows.\nconst affectedWorkflows = [];\n\n// Loop through each item in the $input array.\nfor (const item of $input.all()) {\n  // Get the workflow data from the item.\n  const workflowData = item.json;\n\n  const nodes = workflowData.nodes;\n  const connections = workflowData.connections;\n\n  // Initialize an empty array to store the potentially affected connections.\n  const potentiallyAffectedNodes = [];\n\n  for (const connectionName of Object.keys(connections)) {\n    const connection = connections[connectionName];\n    // Match connection by its name to get the node data\n    const connectionNode = nodes.find(node => node.name === connectionName);\n\n    // Check if the connection node is a multi-output node.\n    const matchedMultiOutputNode = MULTI_OUTPUT_NODES.find(n => n.type === connectionNode.type);\n    if(matchedMultiOutputNode) {\n      const connectedOutputs = connection.main.filter(c => c && c.length > 0);\n\n      // Check if the connection has empty outputs.\n      const hasEmptyOutputs = connectedOutputs.length <  matchedMultiOutputNode.outputs;\n\n      // If there are no connected outputs, skip this connection, it couldn't been affected by the migration\n      if(connectedOutputs.length === 0) continue;\n\n      // If the connection has empty outputs, it might have been affected by the wrong connections migration\n      // which filtered-out empty indexes\n      if(hasEmptyOutputs) potentiallyAffectedNodes.push(connectionName);\n    }\n  }\n\n  if(potentiallyAffectedNodes.length > 0) {\n    affectedWorkflows.push(\n      { \n        workflowId: workflowData.id, \n        workflowName: workflowData.name,\n        active: workflowData.active, \n        potentiallyAffectedNodes\n      }\n    )\n  }\n}\n\nreturn {workflows: affectedWorkflows};\n"
            },
            "typeVersion": 1,
            "alwaysOutputData": true
        },
        {
            "id": "a2324a53-da62-4386-8c86-4d85ffb228b4",
            "name": "Sticky Note1",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                1880,
                1620
            ],
            "parameters": {
                "width": 236,
                "height": 194,
                "content": "Configuration note: update with your credentials or endpoint.",
                "color": "#FFF59D"
            },
            "typeVersion": 1
        },
        {
            "id": "019f564b-edd4-40be-97f5-f1b1cf433005",
            "name": "Sticky Note2",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                1540,
                1620
            ],
            "parameters": {
                "width": 208,
                "height": 197,
                "content": "Configuration note: update with your credentials or endpoint.",
                "color": "#FFF59D"
            },
            "typeVersion": 1
        },
        {
            "id": "9fa255a8-8e2d-4e3f-ad83-d56b69066e67",
            "name": "Generate Report",
            "type": "n8n-nodes-base.html",
            "position": [
                2200,
                1460
            ],
            "parameters": {
                "html": "\n<!DOCTYPE html>\n\n<html>\n<head>\n  <meta charset=\"UTF-8\" />\n  <title>n8n workflows report</title>\n</head>\n<body>\n  <div class=\"container\">\n    <h1>Affected workflows:</h1>\n    <ul id=\"list\"></ul>\n  </div>\n</body>\n</html>\n\n<style>\n.container {\n  background-color: #ffffff;\n  text-align: center;\n  padding: 16px;\n  border-radius: 8px;\n}\n\nh1 {\n  color: #ff6d5a;\n  font-size: 24px;\n  font-weight: bold;\n  padding: 8px;\n}\n\nh2 {\n  color: #909399;\n  font-size: 18px;\n  font-weight: bold;\n  padding: 8px;\n}\n\nul {\n  list-style: none;\n  text-align: left;\n  padding: 0;\n}\n\nli {\n  margin: 8px 0;\n}\n\na {\n  color: #409eff;\n  text-decoration: none;\n  transition: color 0.2s ease-in-out;\n}\n\na:hover {\n  color: #ff9900;\n}\n</style>"
            },
            "typeVersion": 1
        },
        {
            "id": "7923de27-9d69-4ad2-a6e1-dc061c9e8e8f",
            "name": "Serve HTML Report",
            "type": "n8n-nodes-base.respondToWebhook",
            "position": [
                2360,
                1460
            ],
            "parameters": {
                "options": {
                    "responseHeaders": {
                        "entries": [
                            {
                                "name": "Content-Type",
                                "value": "text/html; charset=utf-8"
                            }
                        ]
                    }
                },
                "respondWith": "text",
                "responseBody": "={{ $node[\"Generate Report\"].parameter[\"html\"] }}\n<script>\nconst { workflows } = {{  JSON.stringify($node[\"Parse potentially affected workflows\"].json) }}\n\nconst $list = document.getElementById('list');\n// Append LI element to the UL element for each item in the affectedWorkflows array\nworkflows.forEach((workflow) => {\n  const $listItem = document.createElement('li');\n  if(!workflow) return;\n  const title = `<a \n target=\"_blank\" href=\"//${window.location.host}/workflow/${workflow.workflowId}\">ID: ${workflow.workflowId}: ${workflow.workflowName} [${workflow.potentiallyAffectedNodes.join(', ')}]</a>`\n  $listItem.innerHTML = title\n  $list.appendChild($listItem);\n});\n\n</script>"
            },
            "typeVersion": 1
        },
        {
            "id": "fd63ade5-c7b4-43d5-9849-79bb9aa8dca3",
            "name": "Sticky Note3",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                2360,
                1620
            ],
            "parameters": {
                "width": 451,
                "height": 194,
                "content": "Configuration note: update with your credentials or endpoint.",
                "color": "#FFF59D"
            },
            "typeVersion": 1
        }
    ],
    "connections": {
        "Webhook": {
            "main": [
                [
                    {
                        "node": "Get all workflows",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Generate Report": {
            "main": [
                [
                    {
                        "node": "Serve HTML Report",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Get all workflows": {
            "main": [
                [
                    {
                        "node": "Parse potentially affected workflows",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Parse potentially affected workflows": {
            "main": [
                [
                    {
                        "node": "Generate Report",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    },
    "n8n_version": "1.5.0"
}

Requirements