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lcbp3/n8n-workflow-lcbp3.json
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admin 25c50792e7
Build and Deploy / deploy (push) Successful in 9m13s
260316:1255 Refactor to NestJS 11
2026-03-16 12:55:36 +07:00

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{
"name": "LCBP3 Migration Workflow v1.8.1",
"nodes": [
{
"parameters": {
"formTitle": "LCBP3 Migration - เลือก Model",
"formDescription": "กรุณาเลือก Ollama Model และตั้งค่าก่อนรัน",
"formFields": {
"values": [
{
"fieldLabel": "Ollama Model (Primary)",
"fieldType": "dropdown",
"fieldOptions": {
"values": [
{
"option": "scb10x/typhoon2.1-gemma3-4b (เร็ว + ไทยดี)"
},
{
"option": "qwen2.5:7b-instruct-q4_K_M (สมดุล - แนะนำ)"
},
{
"option": "promptnow/openthaigpt1.5-7b-instruct-q4_k_m (ไทยเฉพาะทาง)"
}
]
},
"requiredField": true
},
{
"fieldLabel": "Batch Size",
"fieldType": "number",
"placeholder": "2"
},
{
"fieldLabel": "Excel File Path",
"placeholder": "/home/node/.n8n-files/staging_ai/C22024.xlsx"
}
]
},
"options": {}
},
"id": "4609ab68-f7e4-4800-ad39-19ce32de60d0",
"name": "Form Trigger",
"type": "n8n-nodes-base.formTrigger",
"typeVersion": 2.2,
"position": [31024, 13504],
"webhookId": "e164a362-0c6b-4243-a5ad-b325aa943f4f",
"notes": "เปิด URL เพื่อเลือก Model ก่อนรัน"
},
{
"parameters": {
"jsCode": "// Read model selected from Form Trigger dropdown\nconst formData = $('Form Trigger').first()?.json || {};\nconst selectedModelLabel = String(formData['Ollama Model (Primary)'] || '');\n\n// Extract just the model ID (before the space in the label)\nconst MODEL_MAP = {\n 'qwen2.5:7b-instruct-q4_K_M (สมดุล - แนะนำ)': 'qwen2.5:7b-instruct-q4_K_M',\n 'scb10x/typhoon2.1-gemma3-4b (เร็ว + ไทยดี)': 'scb10x/typhoon2.1-gemma3-4b',\n 'promptnow/openthaigpt1.5-7b-instruct-q4_k_m (ไทยเฉพาะทาง)': 'promptnow/openthaigpt1.5-7b-instruct-q4_k_m'\n};\nconst selectedModel = MODEL_MAP[selectedModelLabel] || 'scb10x/typhoon2.1-gemma3-4b';\n\nconst batchSizeInput = parseInt(formData['Batch Size'] || '0');\nconst excelFileInput = String(formData['Excel File Path'] || '').trim();\n\nconst CONFIG = {\n // Ollama Settings\n OLLAMA_HOST: 'http://192.168.20.100:11434',\n // Model selected from Form UI\n OLLAMA_MODEL_PRIMARY: selectedModel,\n // Fallback\n OLLAMA_MODEL_FALLBACK: 'mistral:7b-instruct-q4_K_M',\n \n // Backend Settings\n BACKEND_URL: 'https://backend.np-dms.work',\n MIGRATION_TOKEN: 'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6Im1pZ3JhdGlvbl9ib3QiLCJzdWIiOjUsInNjb3BlIjoiR2xvYmFsIiwiaWF0IjoxNzcyNzc0MzI5LCJleHAiOjQ5Mjg1MzQzMjl9.TtA8zoHy7G9J5jPgYQPv7yw-9X--B_hl-Nv-c9V4PaA',\n \n // Batch Settings\n BATCH_SIZE: batchSizeInput > 0 ? batchSizeInput : 2,\n BATCH_ID: (() => { const d = new Date(Date.now() + 7 * 3600000); const s = d.toISOString(); return s.substring(0,10).replace(/-/g,'') + ':' + s.substring(11,16).replace(/:/g,''); })(),\n DELAY_MS: 2000,\n \n // Thresholds\n CONFIDENCE_HIGH: 0.85,\n CONFIDENCE_LOW: 0.60,\n MAX_RETRY: 3,\n FALLBACK_THRESHOLD: 5,\n \n // Source Definitions - แก้ไขโฟลเดอร์และไฟล์ทำงานที่นี่\n EXCEL_FILE: excelFileInput || '/home/node/.n8n-files/staging_ai/C22024.xlsx',\n SOURCE_PDF_DIR: '/home/node/.n8n-files/staging_ai/Incoming/08C.2/2567',\n LOG_PATH: '/home/node/.n8n-files/migration_logs',\n PROJECT_ID: 1\n};\n\nreturn { config: CONFIG };"
},
"id": "8f1d3378-cca6-48b6-99db-693e46ac81ef",
"name": "Set Configuration",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [31216, 13504],
"notes": "กำหนดค่า Configuration ทั้งหมด - แก้ไขที่นี่ก่อนรัน"
},
{
"parameters": {
"url": "={{$('Set Configuration').first().json.config.BACKEND_URL}}/api/master/correspondence-types",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "={{$('Set Configuration').first().json.config.MIGRATION_TOKEN}}"
}
]
},
"options": {
"timeout": 10000
}
},
"id": "6c6679b4-85f3-4c2c-ac8e-4281d6ae61f6",
"name": "Fetch Categories",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [31216, 13696],
"notes": "ดึง Categories จาก Backend"
},
{
"parameters": {
"url": "={{$('Set Configuration').first().json.config.BACKEND_URL}}/api/master/tags",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "={{$('Set Configuration').first().json.config.MIGRATION_TOKEN}}"
}
]
},
"options": {
"timeout": 10000
}
},
"id": "98b9159a-f21d-4b33-9524-058a78ccfc93",
"name": "Fetch Tags",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [31392, 13696],
"notes": "ดึง Tags ที่มีอยู่แล้วจาก Backend"
},
{
"parameters": {
"url": "={{$('Set Configuration').first().json.config.BACKEND_URL}}/health",
"options": {
"timeout": 5000
}
},
"id": "60e81de6-e9b2-4bff-afcc-bef9d5b959b5",
"name": "Check Backend Health",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [31392, 13504],
"onError": "continueErrorOutput",
"notes": "ตรวจสอบ Backend พร้อมใช้งาน"
},
{
"parameters": {
"jsCode": "const fs = require('fs');\nconst config = $('Set Configuration').first().json.config;\n\n// Check file mount and inputs\ntry {\n if (!fs.existsSync(config.EXCEL_FILE)) {\n throw new Error(`Excel file not found at: ${config.EXCEL_FILE}`);\n }\n if (!fs.existsSync(config.SOURCE_PDF_DIR)) {\n throw new Error(`PDF Source directory not found at: ${config.SOURCE_PDF_DIR}`);\n }\n \n const files = fs.readdirSync(config.SOURCE_PDF_DIR);\n \n // Check write permission to log path\n if (!fs.existsSync(config.LOG_PATH)) {\n fs.mkdirSync(config.LOG_PATH, { recursive: true });\n }\n fs.writeFileSync(`${config.LOG_PATH}/.preflight_ok`, new Date().toISOString());\n \n // Grab categories out of the previous node (Fetch Categories) if available\n let categories = ['Correspondence','RFA','Drawing','Transmittal','Report','Other'];\n try {\n const upstreamData = $('Fetch Categories').first()?.json?.data;\n if (upstreamData && Array.isArray(upstreamData)) {\n categories = upstreamData.map(c => c.name || c.type || c); \n }\n } catch(e) {}\n \n // Grab existing tags from Fetch Tags node\n let existingTags = [];\n try {\n const tagData = $('Fetch Tags').first()?.json?.data || [];\n existingTags = Array.isArray(tagData) ? tagData.map(t => t.tag_name || t.name || '').filter(Boolean) : [];\n } catch(e) {}\n \n return [{ json: { \n preflight_ok: true, \n pdf_count_in_source: files.length,\n excel_target: config.EXCEL_FILE,\n system_categories: categories,\n existing_tags: existingTags,\n timestamp: new Date().toISOString()\n }}];\n} catch (err) {\n throw new Error(`Pre-flight check failed: ${err.message}`);\n}"
},
"id": "910b13e2-994a-4fb6-bca1-637e1628c586",
"name": "File Mount Check",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [31216, 13904],
"notes": "ตรวจสอบ File System มีไฟล์ Excel และ Folder ตามตั้งค่า"
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT last_processed_index, status FROM migration_progress WHERE batch_id = '{{$('Set Configuration').first().json.config.BATCH_ID}}' LIMIT 1",
"options": {}
},
"id": "a83f8598-72fd-4cc8-9d98-1ea3cb3b42df",
"name": "Read Checkpoint",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [31632, 13744],
"alwaysOutputData": true,
"credentials": {
"mySql": {
"id": "CHHfbKhMacNo03V4",
"name": "MySQL account"
}
},
"onError": "continueErrorOutput",
"notes": "อ่านตำแหน่งล่าสุดที่ประมวลผล"
},
{
"parameters": {
"fileSelector": "={{ $json.excel_target }}",
"options": {}
},
"id": "063bcef1-791a-4923-a659-8b9a0ba3e336",
"name": "Read Excel Binary",
"type": "n8n-nodes-base.readWriteFile",
"typeVersion": 1,
"position": [31392, 13904],
"notes": "ดึงไฟล์ Excel ขึ้นมาไว้ในหน่วยความจำ"
},
{
"parameters": {
"options": {}
},
"id": "e07efdde-b9b1-402a-ba01-44175982749b",
"name": "Read Excel",
"type": "n8n-nodes-base.spreadsheetFile",
"typeVersion": 2,
"position": [31392, 14112],
"notes": "แปลงข้อมูล Excel เป็น JSON Data"
},
{
"parameters": {
"jsCode": "const cpJson = $input.first()?.json || {};\nconst startIndex = cpJson.last_processed_index || 0;\nconst config = $('Set Configuration').first().json.config;\n\nconst allItems = $('Read Excel').all().map(i => i.json);\nconst remaining = allItems.slice(startIndex);\nconst currentBatch = remaining.slice(0, config.BATCH_SIZE);\n\n// Encoding Normalization\nconst normalize = (str) => {\n if (!str) return '';\n return String(str).normalize('NFC').trim();\n};\n\nreturn currentBatch.map((item, i) => {\n const getVal = (possibleKeys) => {\n const exactMatch = possibleKeys.find(k => item[k] !== undefined);\n if (exactMatch) return item[exactMatch];\n const lowerTrimmedKeys = Object.keys(item).map(k => ({ original: k, parsed: k.toLowerCase().trim() }));\n for (const pk of possibleKeys) {\n const found = lowerTrimmedKeys.find(k => k.parsed === pk.toLowerCase().trim());\n if (found) return item[found.original];\n }\n return '';\n };\n\n const docNum = getVal(['document_number', 'correspondence_number', 'Document Number', 'Corr. No.']);\n const excelFileName = getVal(['File name', 'file_name', 'File Name', 'filename']);\n \n if (!excelFileName) {\n throw new Error(`Missing 'File name' column for row ${i + startIndex + 1}, document: ${docNum}`);\n }\n \n return {\n json: {\n document_number: normalize(docNum),\n title: normalize(getVal(['title', 'Title', 'Subject', 'subject'])),\n legacy_number: normalize(getVal(['legacy_number', 'Legacy Number', 'Response Doc.'])),\n excel_revision: getVal(['revision', 'Revision', 'rev']) || 1,\n original_index: startIndex + i,\n batch_id: config.BATCH_ID,\n file_name: normalize(excelFileName),\n issued_date: normalize(getVal(['issued_date', 'Issued_date', 'Issued Date', 'date', 'Date', 'document_date'])),\n received_date: normalize(getVal(['received_date', 'Received_date', 'Received Date'])),\n correspondence_type: getVal(['correspondence_type', 'type', 'Type', 'Category']),\n sender: normalize(getVal(['sender', 'Sender', 'From', 'from'])),\n receiver: normalize(getVal(['receiver', 'Receiver', 'To', 'to'])),\n project_code: normalize(getVal(['project', 'Project', 'project_code']))\n }\n };\n});"
},
"id": "80845e32-c283-4e9f-af73-6339d675fb38",
"name": "Process Batch + Encoding",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [31808, 13488],
"alwaysOutputData": true,
"notes": "ตัด Batch + Normalize UTF-8"
},
{
"parameters": {
"jsCode": "const fs = require('fs');\nconst path = require('path');\nconst config = $('Set Configuration').first().json.config;\n\nconst items = $input.all();\nif (!items || items.length === 0) return [];\n\nconst validated = [];\nconst errors = [];\n\nfor (const item of items) {\n const fileName = item.json?.file_name;\n if (!fileName) {\n errors.push({\n ...item,\n json: { ...item.json, file_valid: false, error: 'file_name is missing', error_type: 'MISSING_FILENAME', file_exists: false }\n });\n continue;\n }\n \n let safeName = path.basename(String(fileName)).normalize('NFC');\n if (!safeName.toLowerCase().endsWith('.pdf')) {\n safeName += '.pdf';\n }\n const filePath = path.resolve(config.SOURCE_PDF_DIR, safeName);\n \n if (!filePath.startsWith(path.resolve(config.SOURCE_PDF_DIR))) {\n errors.push({\n ...item,\n json: { ...item.json, file_valid: false, error: 'Path traversal detected', error_type: 'SECURITY', file_exists: false }\n });\n continue;\n }\n \n try {\n if (fs.existsSync(filePath)) {\n const stats = fs.statSync(filePath);\n validated.push({\n ...item,\n json: { ...item.json, file_valid: true, file_exists: true, file_size: stats.size, file_path: filePath }\n });\n } else {\n errors.push({\n ...item,\n json: { ...item.json, file_valid: false, error: `File not found: ${safeName}`, error_type: 'FILE_NOT_FOUND', file_exists: false }\n });\n }\n } catch (err) {\n errors.push({\n ...item,\n json: { ...item.json, file_valid: false, error: err.message, error_type: 'FILE_ERROR', file_exists: false }\n });\n }\n}\n\nreturn [...validated, ...errors];"
},
"id": "2183d687-4708-4d77-a0a9-13ccf29baf69",
"name": "File Validator",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [31984, 13488],
"notes": "ตรวจสอบไฟล์ PDF ตัวชี้ใน Directory จาก Config"
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT is_fallback_active, recent_error_count FROM migration_fallback_state WHERE batch_id = '{{$('Set Configuration').first().json.config.BATCH_ID}}' LIMIT 1",
"options": {}
},
"id": "8b0c61d0-96e4-468a-991f-a40e534e167a",
"name": "Check Fallback State",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [31792, 13888],
"alwaysOutputData": true,
"credentials": {
"mySql": {
"id": "CHHfbKhMacNo03V4",
"name": "MySQL account"
}
},
"onError": "continueErrorOutput",
"notes": "ตรวจสอบว่าต้องใช้ Fallback Model หรือไม่"
},
{
"parameters": {
"jsCode": "const config = $('Set Configuration').first().json.config;\nconst fallbackState = $('Check Fallback State').first()?.json || { is_fallback_active: false, recent_error_count: 0 };\nconst isFallback = fallbackState.is_fallback_active || false;\nconst model = isFallback ? config.OLLAMA_MODEL_FALLBACK : config.OLLAMA_MODEL_PRIMARY;\n\nconst dbContext = $('Fetch DB Context').all().map(i => i.json);\nconst dbProjects = dbContext.filter(d => d.type === 'projects').map(d => ({id: d.id, code: d.text1, name: d.text2}));\nconst dbDisciplines = dbContext.filter(d => d.type === 'disciplines').map(d => ({id: d.id, th: d.text1, en: d.text2}));\nconst dbOrgs = dbContext.filter(d => d.type === 'organizations').map(d => ({id: d.id, name: d.text1, code: d.text2}));\nconst dbTags = dbContext.filter(d => d.type === 'tags').map(d => ({id: d.id, name: d.text1}));\nconst dbCorrTypes = dbContext.filter(d => d.type === 'correspondence_types').map(d => ({id: d.id, code: d.text1, name: d.text2}));\n\nlet systemCategories = ['Correspondence','RFA','Drawing','Transmittal','Report','Other'];\ntry { systemCategories = $('File Mount Check').first().json.system_categories || systemCategories; } catch (e) {}\n\nconst pdfItems = $('Extract PDF Text').all();\nconst metaItems = $('File Validator').all();\n\nreturn pdfItems.map((pdfItem, i) => {\n const item = metaItems[i] || pdfItem;\n\n const docNum = String(item.json.document_number || '');\n const title = String(item.json.title || '');\n const legacyNum = String(item.json.legacy_number || '');\n const issuedDate = String(item.json.issued_date || '');\n const receivedDate = String(item.json.received_date || '');\n const corrType = String(item.json.correspondence_type || '');\n const senderCode = String(item.json.sender || '');\n const receiverCode = String(item.json.receiver || '');\n\n const prompt = `Validate and summarize this document. Respond in JSON.\nDocument Number: ${docNum}\nOriginal Title: ${title}\nExtracted Text: ${(pdfItem.json.response || pdfItem.json.data || '').substring(0, 4000)}\n\nExisting Projects: ${JSON.stringify(dbProjects)}\nExisting Disciplines: ${JSON.stringify(dbDisciplines)}\nExisting Orgs: ${JSON.stringify(dbOrgs)}\nExisting Categories: ${JSON.stringify(systemCategories)}\nExisting Tags: ${JSON.stringify(dbTags)}\n\nAnalyze the content to provide:\n1. Validation of Subject/Dates with PDF text.\n2. A 4-5 sentence summary.\n3. Suggest tags. Select from Existing Tags if applicable.\n\nRespond ONLY with this exact JSON structure:\n{\n \"is_valid\": true,\n \"confidence\": 0.9,\n \"category\": \"Correspondence\",\n \"subject\": \"...\",\n \"summary\": \"...\",\n \"discipline_id\": 64,\n \"tags\": [{\"tag_name\": \"...\", \"description\": \"...\"}],\n \"key_points\": [\"...\"],\n \"document_date\": \"YYYY-MM-DD\",\n \"issued_date\": \"YYYY-MM-DD\",\n \"received_date\": \"YYYY-MM-DD\"\n}`;\n\n return {\n json: {\n ...item.json,\n temp_attachment_id: pdfItem.json.temp_attachment_id,\n ollama_payload: {\n model: model,\n prompt: prompt,\n stream: false,\n format: \"json\",\n options: { temperature: 0.2, num_ctx: 8192 }\n },\n system_categories: systemCategories,\n pre_mapped: {\n project_id: dbProjects.find(p => docNum.includes(p.code))?.id || config.PROJECT_ID,\n sender_id: dbOrgs.find(o => senderCode.includes(o.code) || senderCode.includes(o.name))?.id,\n receiver_id: dbOrgs.find(o => receiverCode.includes(o.code) || receiverCode.includes(o.name))?.id\n }\n }\n };\n});"
},
"id": "2ba75d42-1de3-4846-a1a3-39d580e7d764",
"name": "Build AI Prompt",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [32144, 13872],
"notes": "สร้าง Prompt โดยใช้ Categories จาก System"
},
{
"parameters": {
"method": "POST",
"url": "={{$('Set Configuration').first().json.config.OLLAMA_HOST}}/api/generate",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ $json.ollama_payload }}",
"options": {
"timeout": 120000
}
},
"id": "3e8b33cb-8f8f-4d2e-b4cb-9d68cc54d96e",
"name": "Ollama AI Analysis",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [31792, 14096],
"notes": "เรียก Ollama วิเคราะห์เอกสาร"
},
{
"parameters": {
"jsCode": "const ollamaItems = $input.all();\nconst originalItems = $('Build AI Prompt').all();\nconst results = [];\n\nconst CATEGORY_TO_TYPE_CODE = {\n 'Correspondence': 'LETTER',\n 'RFA': 'RFA',\n 'Transmittal': 'TRANSMITTAL',\n 'Drawing': 'OTHER',\n 'Report': 'OTHER',\n 'Other': 'OTHER',\n};\n\nfor (let i = 0; i < ollamaItems.length; i++) {\n const ollamaItem = ollamaItems[i];\n const originalItem = originalItems[i];\n if (!originalItem) continue;\n const baseJson = originalItem.json;\n\n try {\n let raw = ollamaItem.json.response || '';\n raw = raw.replace(/`{3}json/gi, '').replace(/`{3}/g, '').trim();\n if (!raw) throw new Error('Empty response from AI');\n\n const result = JSON.parse(raw);\n const systemCategories = baseJson.system_categories || [];\n let finalCategory = result.category;\n if (!systemCategories.includes(finalCategory)) {\n finalCategory = String(baseJson.document_number || '').includes('-RFA-') ? 'RFA' : 'Correspondence';\n }\n\n const typeCode = CATEGORY_TO_TYPE_CODE[finalCategory] || 'LETTER';\n const preMapped = baseJson.pre_mapped || {};\n\n results.push({\n json: {\n ...baseJson,\n ai_result: {\n suggested_category: finalCategory,\n type_code: typeCode,\n confidence: result.confidence || 0.8,\n project_id: preMapped.project_id || null,\n discipline_id: result.discipline_id || 64,\n sender_id: preMapped.sender_id || null,\n receiver_id: preMapped.receiver_id || null,\n subject: result.subject || baseJson.title,\n issued_date: result.issued_date || baseJson.issued_date,\n received_date: result.received_date || baseJson.received_date,\n summary: result.summary || '',\n key_points: result.key_points || [],\n tags: result.tags || [],\n is_valid: result.is_valid !== false\n }\n }\n });\n } catch (err) {\n results.push({\n json: {\n ...baseJson,\n parse_error: err.message,\n raw_ai_response: ollamaItem.json.response\n }\n });\n }\n}\n\nreturn results;"
},
"id": "6716162f-1129-4552-a05f-a08ac115fe10",
"name": "Parse & Validate AI Response",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [32000, 14096],
"notes": "Parse JSON + Validate Schema + Enum Check"
},
{
"parameters": {
"operation": "executeQuery",
"query": "INSERT INTO migration_fallback_state (batch_id, recent_error_count, is_fallback_active) VALUES ('{{$('Set Configuration').first().json.config.BATCH_ID}}', 1, FALSE) ON DUPLICATE KEY UPDATE recent_error_count = recent_error_count + 1, is_fallback_active = CASE WHEN recent_error_count + 1 >= {{$('Set Configuration').first().json.config.FALLBACK_THRESHOLD}} THEN TRUE ELSE is_fallback_active END, updated_at = NOW()",
"options": {}
},
"id": "b2ac9722-f917-42fd-81e9-c77e84b84104",
"name": "Update Fallback State",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [32464, 13472],
"credentials": {
"mySql": {
"id": "CHHfbKhMacNo03V4",
"name": "MySQL account"
}
},
"notes": "เพิ่ม Error count และตรวจสอบ Fallback threshold"
},
{
"parameters": {
"jsCode": "const config = $('Set Configuration').first().json.config;\nconst items = $('Parse & Validate AI Response').all();\n\nconst results = [];\n\nfor (const item of items) {\n const data = item.json;\n let resultItem = { json: { ...data } };\n \n if (data.parse_error || !data.ai_result) {\n resultItem.json.route_index = 3;\n results.push(resultItem);\n continue;\n }\n \n const ai = data.ai_result;\n \n if (ai.confidence >= config.CONFIDENCE_HIGH) {\n resultItem.json.route_index = 0;\n resultItem.json.staging_status = 'PENDING';\n resultItem.json.staging_remarks = 'Ready for auto-ingest (High Confidence)';\n } else if (ai.confidence >= config.CONFIDENCE_LOW) {\n resultItem.json.route_index = 1;\n resultItem.json.staging_status = 'PENDING';\n resultItem.json.staging_remarks = 'Flagged for human review (Medium Confidence)';\n } else {\n resultItem.json.route_index = 2;\n resultItem.json.staging_status = 'REJECTED';\n resultItem.json.staging_remarks = ai.is_valid === false ? 'AI marked invalid' : `Rejected for human review (Low Confidence: ${ai.confidence.toFixed(2)})`;\n }\n results.push(resultItem);\n}\n\nreturn results;"
},
"id": "ccaaee30-ead6-46c0-954a-eb8b98620cb3",
"name": "Confidence Router",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [32160, 14096],
"notes": "แยกตาม Confidence: Auto(≥0.85) / Review(≥0.60) / Reject(<0.60)"
},
{
"parameters": {
"jsCode": "const fs = require('fs');\nconst item = $input.first();\nconst config = $('Set Configuration').first().json.config;\n\nconst csvPath = `${config.LOG_PATH}/reject_log.csv`;\nconst header = 'timestamp,document_number,title,reject_reason,ai_confidence,key_points\\n';\nconst esc = (s) => `\"${String(s || '').replace(/\"/g, '\"\"')}\"`;\n\nif (!fs.existsSync(config.LOG_PATH)) {\n fs.mkdirSync(config.LOG_PATH, { recursive: true });\n}\n\nif (!fs.existsSync(csvPath)) {\n fs.writeFileSync(csvPath, header, 'utf8');\n}\n\nconst line = [\n new Date().toISOString(),\n esc(item.json.document_number),\n esc(item.json.title),\n esc(item.json.staging_remarks),\n item.json.ai_result?.confidence ?? 'N/A',\n esc(JSON.stringify(item.json.ai_result?.key_points || []))\n].join(',') + '\\n';\n\nfs.appendFileSync(csvPath, line, 'utf8');\n\nreturn [$input.first()];"
},
"id": "0bb3530f-02d5-44d0-ad94-c94d97d91b6a",
"name": "Log Reject to CSV",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [32624, 14032],
"notes": "บันทึกรายการที่ถูกปฏิเสธลง CSV"
},
{
"parameters": {
"jsCode": "const fs = require('fs');\nconst items = $input.all();\nconst config = $('Set Configuration').first().json.config;\n\nconst csvPath = `${config.LOG_PATH}/error_log.csv`;\nconst header = 'timestamp,document_number,error_type,error_message,raw_ai_response\\n';\nconst esc = (s) => `\"${String(s || '').replace(/\"/g, '\"\"')}\"`;\n\nif (!fs.existsSync(config.LOG_PATH)) {\n fs.mkdirSync(config.LOG_PATH, { recursive: true });\n}\n\nif (!fs.existsSync(csvPath)) {\n fs.writeFileSync(csvPath, header, 'utf8');\n}\n\nfor (const item of items) {\n const line = [\n new Date().toISOString(),\n esc(item.json.document_number),\n esc(item.json.error_type || 'UNKNOWN'),\n esc(item.json.error || item.json.parse_error),\n esc(item.json.raw_ai_response || '')\n ].join(',') + '\\n';\n \n fs.appendFileSync(csvPath, line, 'utf8');\n}\n\nreturn items;"
},
"id": "8250dd88-ca81-45aa-93d8-480c9bcd6b14",
"name": "Log Error to CSV",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [32448, 14128],
"notes": "บันทึก Error ลง CSV (จาก File Validator)"
},
{
"parameters": {
"operation": "executeQuery",
"query": "INSERT INTO migration_errors (batch_id, document_number, error_type, error_message, raw_ai_response, created_at) VALUES ('{{$('Set Configuration').first().json.config.BATCH_ID}}', '{{$json.document_number}}', '{{$json.error_type || \"UNKNOWN\"}}', '{{$json.error || $json.parse_error}}', '{{$json.raw_ai_response || \"\"}}', NOW())",
"options": {}
},
"id": "0f058ad0-3c09-4c9f-bdcf-503cd58ee395",
"name": "Log Error to DB",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [32752, 14128],
"credentials": {
"mySql": {
"id": "CHHfbKhMacNo03V4",
"name": "MySQL account"
}
},
"notes": "บันทึก Error ลง MariaDB"
},
{
"parameters": {
"amount": "={{$('Set Configuration').first().json.config.DELAY_MS / 1000}}",
"unit": "seconds"
},
"id": "07c1c5d5-5ffc-4e3d-ab3e-4b62ad079388",
"name": "Delay",
"type": "n8n-nodes-base.wait",
"typeVersion": 1,
"position": [33104, 14080],
"webhookId": "38e97a99-4dcc-4b63-977a-a02945a1c369",
"notes": "หน่วงเวลาระหว่าง Batches"
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"leftValue": "={{ $json.route_index }}",
"rightValue": 0,
"operator": {
"type": "number",
"operation": "equals",
"singleValue": true
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "Staging (High)"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"leftValue": "={{ $json.route_index }}",
"rightValue": 1,
"operator": {
"type": "number",
"operation": "equals",
"singleValue": true
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "Staging (Review)"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"leftValue": "={{ $json.route_index }}",
"rightValue": 2,
"operator": {
"type": "number",
"operation": "equals",
"singleValue": true
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "Reject"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"leftValue": "={{ $json.route_index }}",
"rightValue": 3,
"operator": {
"type": "number",
"operation": "equals",
"singleValue": true
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "Error Log"
}
]
},
"options": {}
},
"id": "65f0bb6c-496a-4409-8b88-3132866cf9a4",
"name": "Route by Confidence",
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [32336, 13744]
},
{
"parameters": {
"fileSelector": "={{ $json.file_path }}",
"options": {}
},
"id": "4fd3133e-39e1-4860-95c7-3e87ee43ed51",
"name": "Read PDF File",
"type": "n8n-nodes-base.readWriteFile",
"typeVersion": 1,
"position": [31824, 13680],
"onError": "continueErrorOutput"
},
{
"parameters": {
"method": "POST",
"url": "={{$('Set Configuration').first().json.config.BACKEND_URL}}/api/files/upload",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "={{$('Set Configuration').first().json.config.MIGRATION_TOKEN}}"
}
]
},
"sendBody": true,
"contentType": "multipart-form-data",
"bodyParameters": {
"parameters": [
{
"name": "file",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
}
]
},
"options": {
"timeout": 60000
}
},
"id": "452d3a33-4f51-404c-8f4b-7a3d3a3a3a3a",
"name": "Upload to Backend",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [31968, 13680],
"notes": "Upload PDF to Backend Temp Storage"
},
{
"parameters": {
"jsCode": "const uploadRes = $input.first()?.json || {};\nconst binaryData = $('Read PDF File').first().binary.data;\n\nreturn {\n json: {\n ...$input.first().json,\n temp_attachment_id: uploadRes.id\n },\n binary: {\n data: binaryData\n }\n};"
},
"id": "b3e3e3e3-e3e3-4e3e-ae3e-3e3e3e3e3e3e",
"name": "Process Upload",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [32112, 13680],
"notes": "Capture ID and Restore Binary for Tika"
},
{
"parameters": {
"method": "PUT",
"url": "http://tika:9998/tika",
"sendQuery": true,
"queryParameters": {
"parameters": [
{
"name": "maxPages",
"value": "2"
}
]
},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "text/plain"
},
{
"name": "X-Tika-OCRLanguage",
"value": "tha+eng"
},
{
"name": "X-Tika-PDFOcrStrategy",
"value": "ocr_only"
}
]
},
"sendBody": true,
"contentType": "binaryData",
"inputDataFieldName": "data",
"options": {
"timeout": 600000
}
},
"id": "2d3868e0-ed56-4921-8d68-bf7b69a64546",
"name": "Extract PDF Text",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [32256, 13664],
"onError": "continueErrorOutput"
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT 'projects' as type, id, project_code as text1, project_name as text2 FROM projects\nUNION ALL\nSELECT 'disciplines' as type, id, code_name_th as text1, code_name_en as text2 FROM disciplines\nUNION ALL\nSELECT 'organizations' as type, id, organization_name as text1, organization_code as text2 FROM organizations\nUNION ALL\nSELECT 'tags' as type, id, tag_name as text1, description as text2 FROM tags\nUNION ALL\nSELECT 'correspondence_types' as type, id, type_code as text1, type_name as text2 FROM correspondence_types",
"options": {}
},
"id": "2e31dc54-3d57-4c88-9d35-1aba0132cdf9",
"name": "Fetch DB Context",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [32000, 13872],
"alwaysOutputData": true,
"credentials": {
"mySql": {
"id": "CHHfbKhMacNo03V4",
"name": "MySQL account"
}
},
"notes": "ดึงข้อมูลจาก Database ส่งให้ AI"
},
{
"parameters": {
"jsCode": "const items = $input.all();\nconst config = $('Set Configuration').first().json.config;\n\nreturn items.map(itemWrapper => {\n const item = itemWrapper.json;\n const ai = item.ai_result || {};\n\n return {\n json: {\n ...item,\n enqueue_payload: {\n document_number: String(item.document_number || ''),\n title: String(ai.subject || item.title || ''),\n original_title: String(item.title || ''),\n category: ai.suggested_category || 'Correspondence',\n ai_summary: ai.summary || '',\n project_id: Number(ai.project_id || config.PROJECT_ID),\n sender_org_id: ai.sender_id || null,\n receiver_org_id: ai.receiver_id || null,\n issued_date: ai.issued_date || item.issued_date || '',\n received_date: ai.received_date || item.received_date || '',\n remarks: item.staging_remarks || '',\n extracted_tags: ai.tags || [],\n temp_attachment_id: item.temp_attachment_id || null,\n is_valid: ai.is_valid !== false,\n confidence: ai.confidence || 0.0,\n ai_issues: ai.key_points || []\n }\n }\n };\n});"
},
"id": "57421305-8c7e-4fa4-a339-1144902cae22",
"name": "Build Enqueue Payload",
"typeVersion": 2,
"type": "n8n-nodes-base.code",
"position": [32544, 13664],
"notes": "สร้าง payload สำหรับ Enqueue Migration"
},
{
"parameters": {
"method": "POST",
"url": "={{$('Set Configuration').first().json.config.BACKEND_URL}}/api/migration/queue",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "={{$('Set Configuration').first().json.config.MIGRATION_TOKEN}}"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ $json.enqueue_payload }}",
"options": {
"timeout": 30000
}
},
"id": "f5f5f5f5-f5f5-4f5f-af5f-f5f5f5f5f5f5",
"name": "Enqueue to Review Queue",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [32736, 13664],
"notes": "ส่งข้อมูลเข้า Staging Queue"
},
{
"parameters": {
"operation": "executeQuery",
"query": "INSERT INTO migration_progress (batch_id, last_processed_index, status) VALUES ('{{$('Set Configuration').first().json.config.BATCH_ID}}', {{$json.original_index || 0}}, 'RUNNING') ON DUPLICATE KEY UPDATE last_processed_index = {{$json.original_index || 0}}, updated_at = NOW()",
"options": {}
},
"id": "bb0e611b-db28-4266-ba40-3b5d534a16f7",
"name": "Save Checkpoint",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [32928, 13856],
"credentials": {
"mySql": {
"id": "CHHfbKhMacNo03V4",
"name": "MySQL account"
}
},
"notes": "บันทึกความคืบหน้าลง Database"
}
],
"connections": {
"Form Trigger": {
"main": [
[
{
"node": "Set Configuration",
"type": "main",
"index": 0
}
]
]
},
"Set Configuration": {
"main": [
[
{
"node": "Check Backend Health",
"type": "main",
"index": 0
}
]
]
},
"Check Backend Health": {
"main": [
[
{
"node": "Fetch Categories",
"type": "main",
"index": 0
}
]
]
},
"Fetch Categories": {
"main": [
[
{
"node": "Fetch Tags",
"type": "main",
"index": 0
}
]
]
},
"Fetch Tags": {
"main": [
[
{
"node": "File Mount Check",
"type": "main",
"index": 0
}
]
]
},
"File Mount Check": {
"main": [
[
{
"node": "Read Excel Binary",
"type": "main",
"index": 0
}
]
]
},
"Read Excel Binary": {
"main": [
[
{
"node": "Read Excel",
"type": "main",
"index": 0
}
]
]
},
"Read Excel": {
"main": [
[
{
"node": "Read Checkpoint",
"type": "main",
"index": 0
}
]
]
},
"Read Checkpoint": {
"main": [
[
{
"node": "Process Batch + Encoding",
"type": "main",
"index": 0
}
],
[
{
"node": "Check Backend Health",
"type": "main",
"index": 0
}
]
]
},
"Process Batch + Encoding": {
"main": [
[
{
"node": "File Validator",
"type": "main",
"index": 0
}
]
]
},
"File Validator": {
"main": [
[
{
"node": "Read PDF File",
"type": "main",
"index": 0
}
]
]
},
"Read PDF File": {
"main": [
[
{
"node": "Upload to Backend",
"type": "main",
"index": 0
}
]
]
},
"Upload to Backend": {
"main": [
[
{
"node": "Process Upload",
"type": "main",
"index": 0
}
]
]
},
"Process Upload": {
"main": [
[
{
"node": "Extract PDF Text",
"type": "main",
"index": 0
}
]
]
},
"Extract PDF Text": {
"main": [
[
{
"node": "Check Fallback State",
"type": "main",
"index": 0
}
]
]
},
"Check Fallback State": {
"main": [
[
{
"node": "Fetch DB Context",
"type": "main",
"index": 0
}
]
]
},
"Fetch DB Context": {
"main": [
[
{
"node": "Build AI Prompt",
"type": "main",
"index": 0
}
]
]
},
"Build AI Prompt": {
"main": [
[
{
"node": "Ollama AI Analysis",
"type": "main",
"index": 0
}
]
]
},
"Ollama AI Analysis": {
"main": [
[
{
"node": "Parse & Validate AI Response",
"type": "main",
"index": 0
}
]
]
},
"Parse & Validate AI Response": {
"main": [
[
{
"node": "Confidence Router",
"type": "main",
"index": 0
}
]
]
},
"Confidence Router": {
"main": [
[
{
"node": "Route by Confidence",
"type": "main",
"index": 0
}
]
]
},
"Route by Confidence": {
"main": [
[
{
"node": "Build Enqueue Payload",
"type": "main",
"index": 0
}
],
[
{
"node": "Build Enqueue Payload",
"type": "main",
"index": 0
}
],
[
{
"node": "Log Reject to CSV",
"type": "main",
"index": 0
}
],
[
{
"node": "Log Error to CSV",
"type": "main",
"index": 0
}
]
]
},
"Build Enqueue Payload": {
"main": [
[
{
"node": "Enqueue to Review Queue",
"type": "main",
"index": 0
}
]
]
},
"Enqueue to Review Queue": {
"main": [
[
{
"node": "Save Checkpoint",
"type": "main",
"index": 0
}
]
]
},
"Save Checkpoint": {
"main": [
[
{
"node": "Delay",
"type": "main",
"index": 0
}
]
]
},
"Log Reject to CSV": {
"main": [
[
{
"node": "Delay",
"type": "main",
"index": 0
}
]
]
},
"Log Error to CSV": {
"main": [
[
{
"node": "Log Error to DB",
"type": "main",
"index": 0
}
]
]
},
"Log Error to DB": {
"main": [
[
{
"node": "Delay",
"type": "main",
"index": 0
}
]
]
},
"Delay": {
"main": [
[
{
"node": "Read Checkpoint",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}