Workflow: formulate an n8n flow to perform Code Webhook Update Webhook
Integrations: aggregate, code, extractFromFile, httpRequest, if, respondToWebhook, set, slack, stickyNote, switch, webhook

{"nodes": [{"id": "b73fed9b-d56c-4175-a310-8c09ed51acd2", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [80, 60], "parameters": {"width": 464, "height": 303, "content": "## Testing \n\nTesting can be done with CURL or similar.\n\nFor File posting using Form Data\ncurl -X POST \"https://yoururl.com/webhook-test/tool/csv-to-json\" \\\n     -H \"Content-Type: text/csv\" \\\n     --data-binary @path/to/your/file.csv\n\n\nThis can also be tested using the Test workflow"}, "typeVersion": 1}, {"id": "6ed4b2cc-444f-44e2-ab91-34337acd7a9b", "name": "Sticky Note3", "type": "n8n-nodes-base.stickyNote", "position": [1680, 580], "parameters": {"color": 4, "width": 396, "height": 256, "content": "## Response\nWhere possible we will be returning a binary object.\n```\nIf there is an error\n```\n{\n  \"status\": \"error\",\n  \"data\": \"error message to display\"\n}\n```"}, "typeVersion": 1}, {"id": "4eff962e-e636-4704-835a-672ccd705e16", "name": "Extract From File", "type": "n8n-nodes-base.extractFromFile", "onError": "continueErrorOutput", "position": [680, 80], "parameters": {"options": {}, "binaryPropertyName": "data0"}, "typeVersion": 1}, {"id": "ccc66f1e-e000-4048-a492-b80fbf8c8fce", "name": "Error Response", "type": "n8n-nodes-base.respondToWebhook", "onError": "continueErrorOutput", "position": [1900, 900], "parameters": {"options": {"responseCode": 500}, "respondWith": "json", "responseBody": "{\n  \"status\": \"error\",\n  \"data\": \"There was a problem converting your CSV. Please refresh the page and try again.\"\n}"}, "typeVersion": 1}, {"id": "a7d34aba-6ded-4cc8-8866-7d4aa6ae3255", "name": "Success Response", "type": "n8n-nodes-base.respondToWebhook", "onError": "continueErrorOutput", "position": [1920, 220], "parameters": {"options": {"responseCode": 200}, "respondWith": "json", "responseBody": "={\n  \"status\": \"OK\",\n  \"data\": {{ JSON.stringify($json.jsondata) }}\n}"}, "typeVersion": 1}, {"id": "3484b148-4ba5-4b54-9401-44010ac31178", "name": "Change Field", "type": "n8n-nodes-base.set", "onError": "continueErrorOutput", "position": [680, 320], "parameters": {"options": {}, "assignments": {"assignments": [{"id": "b2e3bec3-221e-4f1d-b439-f75174f68ed1", "name": "csv", "type": "string", "value": "={{ $json.body }}"}]}}, "typeVersion": 3.3}, {"id": "f35635fe-8943-486b-b5fa-4f566dd8f938", "name": "Sticky Note4", "type": "n8n-nodes-base.stickyNote", "position": [60, 40], "parameters": {"color": 7, "width": 2298, "height": 1027, "content": ""}, "typeVersion": 1}, {"id": "cede2fad-f0ee-4082-a403-81f6d8eb188e", "name": "Switch", "type": "n8n-nodes-base.switch", "position": [340, 400], "parameters": {"rules": {"values": [{"outputKey": "File", "conditions": {"options": {"version": 1, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"operator": {"type": "object", "operation": "notEmpty", "singleValue": true}, "leftValue": "={{ $binary }}", "rightValue": ""}]}, "renameOutput": true}, {"outputKey": "Data/Text", "conditions": {"options": {"version": 1, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "8930ce1a-a4cc-4094-b08f-a23a13dec40c", "operator": {"name": "filter.operator.equals", "type": "string", "operation": "equals"}, "leftValue": "={{ $json.headers['content-type'] }}", "rightValue": "text/plain"}]}, "renameOutput": true}, {"outputKey": "appJSON", "conditions": {"options": {"version": 1, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "e3108952-daa2-425c-8c70-7d2ce0949e0c", "operator": {"name": "filter.operator.equals", "type": "string", "operation": "equals"}, "leftValue": "={{ $json.headers['content-type'] }}", "rightValue": "=application/json"}]}, "renameOutput": true}]}, "options": {"fallbackOutput": "extra"}}, "typeVersion": 3}, {"id": "a2d92aeb-25eb-4d3c-82ad-16d2124099a8", "name": "Send to Error Channel", "type": "n8n-nodes-base.slack", "position": [2380, 880], "webhookId": "d8e1201d-cbcc-4153-a164-51d7b3e17c84", "parameters": {"text": ":interrobang: Error in XML to JSON tool", "select": "channel", "blocksUi": "={\n\t\"blocks\": [\n{\n\t\t\t\"type\": \"section\",\n\t\t\t\"text\": {\n\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\"text\": \":interrobang: Error in CSV to JSON tool\"\n\t\t\t}\n\t\t},\n\t\t{\n\t\t\t\"type\": \"section\",\n\t\t\t\"text\": {\n\t\t\t\t\"type\": \"mrkdwn\",\n\t\t\t\t\"text\": \"*Time:*\\n{{ $now.format('dd/MM/yyyy HH:mm:ss') }}\\n*Execution ID:*\\n{{ $execution.id }}\\n\"\n\t\t\t},\n\t\t\t\"accessory\": {\n\t\t\t\t\"type\": \"button\",\n\t\t\t\t\"text\": {\n\t\t\t\t\t\"type\": \"plain_text\",\n\t\t\t\t\t\"text\": \"Go to Error\",\n\t\t\t\t\t\"emoji\": true\n\t\t\t\t},\n\t\t\t\t\"value\": \"error\",\n\t\t\t\t\"url\": \"[insert URL here]{{ $workflow.id }}/executions/{{ $execution.id }}\",\n\t\t\t\t\"action_id\": \"button-action\",\n\t\t\t\t\"style\": \"primary\"\n\t\t\t}\n\t\t}\n\t]\n}", "channelId": {"__rl": true, "mode": "id", "value": "C0832GBAEN4"}, "messageType": "block", "otherOptions": {}, "authentication": "oAuth2"}, "typeVersion": 2.1}, {"id": "b21c88d1-6f21-4ada-95ef-8ea91463e7ad", "name": "Convert Raw Text To CSV", "type": "n8n-nodes-base.code", "onError": "continueRegularOutput", "position": [940, 300], "parameters": {"jsCode": "const csvData = $input.all()[0]?.json?.csv;\n\n// Use a regex to split on either ',' or ';'\nconst lines = csvData.split(\"\\n\");\nconst headers = lines[0].split(/,|;/);\n\nconst jsonData = lines.slice(1).map((line) => {\n  // Split on ',' or ';' for each line\n  const data = line.split(/,|;/);\n  let obj = {};\n  headers.forEach((header, i) => {\n    obj[header] = data[i];\n  });\n  return obj;\n});\n\nif (jsonData.length === 0) {\n  throw new Error(\"No data to process\");\n}\n\nreturn jsonData;\n"}, "typeVersion": 2, "alwaysOutputData": true}, {"id": "a9803789-0397-4f5f-9cd2-cb630f983efc", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [2380, 40], "parameters": {"color": 7, "width": 700, "height": 600, "content": "## Sample of Raw CSV Data Send\nUse the HTTP request node below to see how to send the Raw CSV data into this workflow. Don't forget to include the \\n's "}, "typeVersion": 1}, {"id": "8fb97224-706b-41de-a7ab-cbe2191436e9", "name": "Check if Value", "type": "n8n-nodes-base.if", "position": [1180, 300], "parameters": {"options": {}, "conditions": {"options": {"version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "d8d4cfda-f384-4154-8ad2-c3eabcb8c7ce", "operator": {"type": "string", "operation": "notExists", "singleValue": true}, "leftValue": "={{ $json.error }}", "rightValue": ""}]}}, "typeVersion": 2.2}, {"id": "4484f424-429b-449f-85c2-dd6a135972a0", "name": "Send Raw CSV", "type": "n8n-nodes-base.httpRequest", "position": [2480, 200], "parameters": {"url": "[insert URL here]", "body": "album, year, US_peak_chart_post\nThe White Stripes, 1999, -\nDe Stijl, 2000, -\nWhite Blood Cells, 2001, 61\nElephant, 2003, 6\nGet Behind Me Satan, 2005, 3\nIcky Thump, 2007, 2\nUnder Great White Northern Lights, 2010, 11\nLive in Mississippi, 2011, -\nLive at the Gold Dollar, 2012, -\nNine Miles from the White City, 2013, -\n", "method": "POST", "options": {"response": {"response": {"responseFormat": "file"}}}, "sendBody": true, "contentType": "raw", "rawContentType": "text/plain"}, "typeVersion": 4.2}, {"id": "70a46bce-32da-4868-a960-3ee1cefbed1f", "name": "POST", "type": "n8n-nodes-base.webhook", "position": [140, 420], "webhookId": "add125c9-1591-4e1c-b68c-8032b99b6010", "parameters": {"path": "tool/csv-to-json", "options": {"binaryPropertyName": "data"}, "httpMethod": "POST", "responseMode": "responseNode"}, "typeVersion": 1.1}, {"id": "116cfc2c-6e5f-4367-8c80-e1341e7d196a", "name": "Aggregate", "type": "n8n-nodes-base.aggregate", "position": [1580, 220], "parameters": {"options": {}, "aggregate": "aggregateAllItemData", "destinationFieldName": "jsondata"}, "typeVersion": 1}, {"id": "967dc555-2599-4fb0-b3e1-00164bae4120", "name": "Aggregate1", "type": "n8n-nodes-base.aggregate", "position": [1580, 360], "parameters": {"options": {}, "aggregate": "aggregateAllItemData", "destinationFieldName": "jsondata"}, "typeVersion": 1}, {"id": "51c77def-cdf7-41da-bfd1-e585f0553672", "name": "Success Response2", "type": "n8n-nodes-base.respondToWebhook", "onError": "continueErrorOutput", "position": [1900, 400], "parameters": {"options": {"responseCode": 200}, "respondWith": "json", "responseBody": "={{ JSON.stringify($json.jsondata) }}"}, "typeVersion": 1}], "pinData": {}, "connections": {"POST": {"main": [[{"node": "Switch", "type": "main", "index": 0}]]}, "Switch": {"main": [[{"node": "Extract From File", "type": "main", "index": 0}], [{"node": "Change Field", "type": "main", "index": 0}], [{"node": "Error Response", "type": "main", "index": 0}], [{"node": "Error Response", "type": "main", "index": 0}]]}, "Aggregate": {"main": [[{"node": "Success Response", "type": "main", "index": 0}]]}, "Aggregate1": {"main": [[{"node": "Success Response2", "type": "main", "index": 0}]]}, "Change Field": {"main": [[{"node": "Convert Raw Text To CSV", "type": "main", "index": 0}], [{"node": "Error Response", "type": "main", "index": 0}]]}, "Check if Value": {"main": [[{"node": "Aggregate1", "type": "main", "index": 0}], [{"node": "Error Response", "type": "main", "index": 0}]]}, "Error Response": {"main": [[{"node": "Send to Error Channel", "type": "main", "index": 0}], [{"node": "Send to Error Channel", "type": "main", "index": 0}]]}, "Success Response": {"main": [[], [{"node": "Send to Error Channel", "type": "main", "index": 0}]]}, "Extract From File": {"main": [[{"node": "Aggregate", "type": "main", "index": 0}], [{"node": "Error Response", "type": "main", "index": 0}]]}, "Success Response2": {"main": [[], [{"node": "Send to Error Channel", "type": "main", "index": 0}]]}, "Convert Raw Text To CSV": {"main": [[{"node": "Check if Value", "type": "main", "index": 0}]]}}}