{ "name": "BookLeaf Cover Validation Pipeline", "nodes": [ { "parameters": { "pollTimes": { "item": [ { "mode": "everyMinute" } ] }, "triggerOn": "specificFolder", "folderToWatch": { "__rl": true, "value": "={{$json.folderId}}", "mode": "id" }, "event": "fileCreated", "options": {} }, "id": "node-google-drive-trigger", "name": "\ud83d\udcc1 Google Drive Trigger", "type": "n8n-nodes-base.googleDriveTrigger", "typeVersion": 1, "position": [ 240, 300 ], "credentials": { "googleDriveOAuth2Api": { "name": "" } }, "notes": "Watches the 'BookLeaf Covers' folder for new uploaded files (PDF or PNG). Set the folder ID in credentials after importing." }, { "parameters": { "operation": "download", "fileId": { "__rl": true, "value": "={{$json.id}}", "mode": "id" }, "options": {} }, "id": "node-download-file", "name": "\u2b07\ufe0f Download File from Drive", "type": "n8n-nodes-base.googleDrive", "typeVersion": 3, "position": [ 460, 300 ], "credentials": { "googleDriveOAuth2Api": { "name": "" } }, "notes": "Downloads the file binary from Google Drive so we can send it to FastAPI." }, { "parameters": { "method": "POST", "url": "http://host.docker.internal:5001/validate", "sendBody": true, "contentType": "multipart-form-data", "bodyParameters": { "parameters": [ { "parameterType": "formBinaryData", "name": "file", "inputDataFieldName": "data" }, { "name": "author_name", "value": "={{$('\ud83d\udcc1 Google Drive Trigger').item.json.name.split('_')[0]}}" }, { "name": "author_email", "value": "" } ] }, "options": { "timeout": 120000, "response": { "response": { "fullResponse": false } } } }, "id": "node-validate-api", "name": "\ud83e\udd16 FastAPI Validate Cover", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [ 680, 300 ], "notes": "Sends the file to our Python backend. Timeout set to 120s to allow for OCR processing time." }, { "parameters": { "jsCode": "// Parse the API response and look up author info from ISBN\nconst result = $input.item.json;\nconst filename = $('\ud83d\udcc1 Google Drive Trigger').item.json.name;\n\n// ISBN-to-author mapping (edit this to match your real author database)\n// In production this would be a Airtable lookup\nconst ISBN_MAP = {\n '9789898652364': { name: 'Benny James SDB', email: 'benny@example.com' },\n '9789373145068': { name: 'Ojal Jain', email: 'ojal@example.com' },\n '9789898652616': { name: 'Parisha Shodhan', email: 'parisha@example.com' },\n '9789373147994': { name: 'Benny James SDB', email: 'benny@example.com' },\n '9789373147765': { name: 'Pratik Kolekar', email: 'pratik@example.com' },\n '9789898652753': { name: 'Pulak Das', email: 'pulak@example.com' },\n};\n\nconst isbn = result.isbn || 'UNKNOWN';\nconst authorInfo = ISBN_MAP[isbn] || { name: 'Author', email: 'noreply@bookleaf.com' };\n\n// Build the full Drive file URL\nconst driveFileId = $('\ud83d\udcc1 Google Drive Trigger').item.json.id;\nconst driveUrl = `https://drive.google.com/file/d/${driveFileId}/view`;\n\nreturn {\n ...result,\n author_name: authorInfo.name,\n author_email: authorInfo.email,\n drive_file_url: driveUrl,\n filename: filename,\n // Format issues for Airtable multi-select\n issue_types_list: [...new Set(result.issues.map(i => i.type))].join(', ') || 'NONE',\n issue_severity: result.issues.some(i => i.severity === 'CRITICAL') ? 'CRITICAL' : \n result.issues.length > 0 ? 'WARNING' : 'NONE',\n // Truncate correction instructions for Airtable (max 100k chars)\n corrections_short: result.correction_instructions.substring(0, 5000),\n};" }, "id": "node-enrich-data", "name": "\ud83d\udd27 Enrich & Parse Response", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 900, 300 ], "notes": "Parses API response, looks up author email from ISBN, formats data for Airtable." }, { "parameters": { "operation": "create", "base": { "__rl": true, "value": "AIRTABLE_BASE_ID", "mode": "id" }, "table": { "__rl": true, "value": "Cover Submissions", "mode": "name" }, "columns": { "mappingMode": "defineBelow", "value": { "ISBN": "={{$json.isbn}}", "Author Name": "={{$json.author_name}}", "Author Email": "={{$json.author_email}}", "Submission Date": "={{$('\ud83d\udcc1 Google Drive Trigger').item.json.createdTime}}", "Detection Timestamp": "={{$json.detection_timestamp}}", "Status": "={{$json.status}}", "Confidence Score": "={{$json.confidence_score}}", "Issue Type": "={{$json.issue_types_list}}", "Issue Severity": "={{$json.issue_severity}}", "Issues Detail": "={{JSON.stringify($json.issues)}}", "Correction Instructions": "={{$json.corrections_short}}", "Annotated Image URL": "={{$json.annotated_image_url}}", "Original File URL": "={{$json.drive_file_url}}", "Email Sent": false, "Revision Count": 0, "Filename": "={{$json.filename}}" } }, "options": {} }, "id": "node-airtable-create", "name": "\ud83d\uddc3\ufe0f Airtable: Create Record", "type": "n8n-nodes-base.airtable", "typeVersion": 2.1, "position": [ 1120, 300 ], "credentials": { "airtableTokenApi": { "name": "" } }, "notes": "Creates a new record in the 'Cover Submissions' table with all validation results." }, { "parameters": { "sendTo": "={{$('\ud83d\udd27 Enrich & Parse Response').item.json.author_email}}", "subject": "={{$('\ud83d\udd27 Enrich & Parse Response').item.json.status === 'PASS' ? '\u2705 Book Cover Approved' : '\u26a0\ufe0f Action Required'}} \u2013 ISBN {{ $('\ud83d\udd27 Enrich & Parse Response').item.json.isbn }}", "emailType": "text", "message": "={{$('\ud83d\udd27 Enrich & Parse Response').item.json.email_body}}", "options": { "ccList": "bookleaf-team@bookleaf.com", "replyTo": "support@bookleaf.com" } }, "id": "node-gmail-send", "name": "\ud83d\udce7 Gmail: Notify Author", "type": "n8n-nodes-base.gmail", "typeVersion": 2.1, "position": [ 1340, 300 ], "credentials": { "gmailOAuth2": { "name": "" } }, "notes": "Sends personalized email to the author with PASS or REVIEW NEEDED notification." }, { "parameters": { "operation": "update", "base": { "__rl": true, "value": "AIRTABLE_BASE_ID", "mode": "id" }, "table": { "__rl": true, "value": "Cover Submissions", "mode": "name" }, "id": "={{$('\ud83d\uddc3\ufe0f Airtable: Create Record').item.json.id}}", "columns": { "mappingMode": "defineBelow", "value": { "Email Sent": true, "Email Sent At": "={{new Date().toISOString()}}" } }, "options": {} }, "id": "node-airtable-update", "name": "\ud83d\uddc3\ufe0f Airtable: Mark Email Sent", "type": "n8n-nodes-base.airtable", "typeVersion": 2.1, "position": [ 1560, 300 ], "credentials": { "airtableTokenApi": { "name": "" } }, "notes": "Updates the Airtable record to mark that the email was sent and record the timestamp." }, { "parameters": { "conditions": { "options": { "caseSensitive": true }, "conditions": [ { "leftValue": "={{$json.status}}", "rightValue": "REVIEW NEEDED", "operator": { "type": "string", "operation": "equals" } } ] } }, "id": "node-status-check", "name": "\ud83d\udd00 PASS or REVIEW NEEDED?", "type": "n8n-nodes-base.if", "typeVersion": 2, "position": [ 1120, 500 ], "notes": "Routes to different logging paths based on status. Both paths send email; this is for future conditional logic." }, { "parameters": { "method": "POST", "url": "http://host.docker.internal:5001/health", "options": {} }, "id": "node-error-handler", "name": "\ud83d\udea8 Error: Log Failure", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [ 900, 500 ], "notes": "Catches errors from any upstream node and logs them. In production, this would send an admin alert email." } ], "connections": { "\ud83d\udcc1 Google Drive Trigger": { "main": [ [ { "node": "\u2b07\ufe0f Download File from Drive", "type": "main", "index": 0 } ] ] }, "\u2b07\ufe0f Download File from Drive": { "main": [ [ { "node": "\ud83e\udd16 FastAPI Validate Cover", "type": "main", "index": 0 } ] ] }, "\ud83e\udd16 FastAPI Validate Cover": { "main": [ [ { "node": "\ud83d\udd27 Enrich & Parse Response", "type": "main", "index": 0 } ] ] }, "\ud83d\udd27 Enrich & Parse Response": { "main": [ [ { "node": "\ud83d\uddc3\ufe0f Airtable: Create Record", "type": "main", "index": 0 } ] ] }, "\ud83d\uddc3\ufe0f Airtable: Create Record": { "main": [ [ { "node": "\ud83d\udce7 Gmail: Notify Author", "type": "main", "index": 0 } ] ] }, "\ud83d\udce7 Gmail: Notify Author": { "main": [ [ { "node": "\ud83d\uddc3\ufe0f Airtable: Mark Email Sent", "type": "main", "index": 0 } ] ] } }, "settings": { "executionOrder": "v1", "saveManualExecutions": true, "callerPolicy": "workflowsFromSameOwner", "errorWorkflow": "" }, "staticData": null, "tags": [ "bookleaf", "automation", "cover-validation" ], "triggerCount": 1, "updatedAt": "2026-06-08T00:00:00.000Z", "versionId": "1" }