Files
lcbp3/n8n-workflow-lcbp3.json
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admin 2f0d67d8b2
Build and Deploy / deploy (push) Successful in 7m11s
260317:0837 Refactor to n8n
2026-03-17 08:37:01 +07:00

1006 lines
46 KiB
JSON

{
"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": "8ae8102d-0de5-4646-87c9-ed4bb619614d",
"name": "Form Trigger",
"type": "n8n-nodes-base.formTrigger",
"typeVersion": 2.2,
"position": [-1360, -27472],
"webhookId": "5cb2ee58-164a-4db4-a107-46cf1a51009f",
"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": "f6d94e21-daa6-4dcc-ba37-e822ded168d6",
"name": "Set Configuration",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [-1184, -27584],
"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": "={{$('Set Configuration').first().json.config.MIGRATION_TOKEN}}"
}
]
},
"options": {
"timeout": 10000
}
},
"id": "9f8bd98a-997d-4471-a80d-d93abe64888f",
"name": "Fetch Categories",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [-1184, -27392],
"notes": "ดึง Categories จาก Backend"
},
{
"parameters": {
"url": "={{$('Set Configuration').first().json.config.BACKEND_URL}}/api/master/tags",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "={{$('Set Configuration').first().json.config.MIGRATION_TOKEN}}"
}
]
},
"options": {
"timeout": 10000
}
},
"id": "c40d67a5-de33-4898-8d2d-cf77bd89fa20",
"name": "Fetch Tags",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [-1008, -27392],
"notes": "ดึง Tags ที่มีอยู่แล้วจาก Backend"
},
{
"parameters": {
"url": "={{$('Set Configuration').first().json.config.BACKEND_URL}}/health",
"options": {
"timeout": 5000
}
},
"id": "02ef2241-b2b9-436e-98b2-7bbad7da67e6",
"name": "Check Backend Health",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [-816, -27584],
"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 // API returns raw array — each item becomes a separate n8n item\n let categories = ['Correspondence','RFA','Drawing','Transmittal','Report','Other'];\n try {\n const upstreamItems = $('Fetch Categories').all().map(i => i.json);\n if (upstreamItems && upstreamItems.length > 0) {\n categories = upstreamItems.map(c => c.typeName || c.typeCode || c); \n }\n } catch(e) {}\n \n // Grab existing tags from Fetch Tags node\n // API returns raw array — each item becomes a separate n8n item\n let existingTags = [];\n try {\n const tagItems = $('Fetch Tags').all().map(i => i.json);\n existingTags = Array.isArray(tagItems) ? tagItems.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: ${err.message}`);\n}"
},
"id": "2204f397-a2bf-4eaa-88b6-d0242d06fad7",
"name": "File Mount Check",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [-816, -27392],
"notes": "ตรวจสอบ File System มีไฟล์ Excel และ Folder ตามตั้งค่า"
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT last_processed_index, status FROM migration_progress WHERE batch_id = '{{$('Set Configuration').first().json.config.BATCH_ID}}' LIMIT 1",
"options": {}
},
"id": "a1630364-d44b-4ef4-bc51-f0f75adf20f9",
"name": "Read Checkpoint",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [-768, -27168],
"alwaysOutputData": true,
"credentials": {
"mySql": {
"id": "CHHfbKhMacNo03V4",
"name": "MySQL account"
}
},
"onError": "continueErrorOutput",
"notes": "อ่านตำแหน่งล่าสุดที่ประมวลผล"
},
{
"parameters": {
"fileSelector": "={{ $json.excel_target }}",
"options": {}
},
"id": "71e94a39-e01d-46c1-8f35-c36da02211dc",
"name": "Read Excel Binary",
"type": "n8n-nodes-base.readWriteFile",
"typeVersion": 1,
"position": [-1168, -27168],
"notes": "ดึงไฟล์ Excel ขึ้นมาไว้ในหน่วยความจำ"
},
{
"parameters": {
"options": {}
},
"id": "023aaed1-8c33-480c-ab43-8241702ac17d",
"name": "Read Excel",
"type": "n8n-nodes-base.spreadsheetFile",
"typeVersion": 2,
"position": [-976, -27168],
"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 subject: normalize(getVal(['Subject', 'subject', 'Title', 'title'])),\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": "0b6f8817-fe02-4482-b707-64c58692d77b",
"name": "Process Batch + Encoding",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [-560, -27584],
"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: 'FILE_NOT_FOUND', 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: ${safeName}`, error_type: 'FILE_NOT_FOUND', file_exists: false }\n });\n }\n } catch (err) {\n errors.push({\n ...item,\n json: { ...item.json, file_valid: false, error: err.message, error_type: 'UNKNOWN', file_exists: false }\n });\n }\n}\n\n// Log errors inline to CSV (single-output node — errors don't flow downstream)\nif (errors.length > 0) {\n const csvPath = `${config.LOG_PATH}/error_log.csv`;\n const header = 'timestamp,document_number,error_type,error_message\\n';\n const esc = (s) => `\"${String(s || '').replace(/\"/g, '\"\"')}\"`;\n if (!fs.existsSync(config.LOG_PATH)) fs.mkdirSync(config.LOG_PATH, { recursive: true });\n if (!fs.existsSync(csvPath)) fs.writeFileSync(csvPath, header, 'utf8');\n for (const e of errors) {\n const line = [new Date().toISOString(), esc(e.json.document_number), esc(e.json.error_type), esc(e.json.error)].join(',') + '\\n';\n fs.appendFileSync(csvPath, line, 'utf8');\n }\n}\n\nreturn validated;"
},
"id": "254e8f42-e32a-486f-a5d8-c77bfcb5ee44",
"name": "File Validator",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [-384, -27584],
"notes": "ตรวจสอบไฟล์ PDF ตัวชี้ใน Directory จาก Config"
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT is_fallback_active, recent_error_count FROM migration_fallback_state WHERE batch_id = '{{$('Set Configuration').first().json.config.BATCH_ID}}' LIMIT 1",
"options": {}
},
"id": "c86229c0-493d-4138-a450-db65e0bc1d5d",
"name": "Check Fallback State",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [-560, -27184],
"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, description: d.text2 || ''}));\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 subject = String(item.json.subject || '');\n const projectCode = String(item.json.project_code || '');\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 Subject: ${subject}\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: ${JSON.stringify(dbTags)}\n\nAnalyze the content to provide:\n1. Validate the Subject and Dates against PDF text.\n2. Write a detailed summary (4-5 sentences) for the body field.\n3. Suggest 1-5 tags. Prefer Existing Tags when applicable. Each tag MUST have tag_name and description.\n\nRespond ONLY with this exact JSON structure:\n{\n \"is_valid\": true,\n \"confidence\": 0.9,\n \"category\": \"Correspondence\",\n \"subject\": \"Verified or corrected subject line\",\n \"body\": \"Detailed 4-5 sentence summary of the document content for archival.\",\n \"discipline_id\": 64,\n \"tags\": [{\"tag_name\": \"TagName\", \"description\": \"Why this tag applies\"}],\n \"key_points\": [\"...\"],\n \"document_date\": \"YYYY-MM-DD\",\n \"issued_date\": \"YYYY-MM-DD\",\n \"received_date\": \"YYYY-MM-DD\"\n}`;\n\n return {\n json: {\n ...item.json,\n ollama_payload: {\n model: model,\n prompt: prompt,\n stream: false,\n format: \"json\",\n options: { temperature: 0.2, num_ctx: 8192 }\n },\n system_categories: systemCategories,\n pre_mapped: {\n project_id: (projectCode && dbProjects.find(p => p.code === projectCode)?.id) || dbProjects.find(p => docNum.includes(p.code))?.id || config.PROJECT_ID,\n sender_id: dbOrgs.find(o => senderCode.includes(o.code) || senderCode.includes(o.name))?.id,\n receiver_id: dbOrgs.find(o => receiverCode.includes(o.code) || receiverCode.includes(o.name))?.id\n }\n }\n };\n});"
},
"id": "81346da7-a5b0-4a5f-9dc5-34bfc61ebac2",
"name": "Build AI Prompt",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [-192, -27200],
"notes": "สร้าง Prompt โดยใช้ Categories จาก System"
},
{
"parameters": {
"method": "POST",
"url": "={{$('Set Configuration').first().json.config.OLLAMA_HOST}}/api/generate",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ $json.ollama_payload }}",
"options": {
"timeout": 120000
}
},
"id": "8634f965-41f4-485e-9c01-22640b42d8cd",
"name": "Ollama AI Analysis",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [-560, -26992],
"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.subject || '',\n body: result.body || result.summary || '',\n issued_date: result.issued_date || baseJson.issued_date,\n received_date: result.received_date || baseJson.received_date,\n summary: result.summary || result.body || '',\n key_points: result.key_points || [],\n tags: (result.tags || []).map(t => (typeof t === 'string' ? { tag_name: t, description: '' } : { tag_name: t.tag_name || t.name || '', description: t.description || '' })).filter(t => t.tag_name),\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": "2154cfc3-e4d1-499f-b918-923e78f442e9",
"name": "Parse & Validate AI Response",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [-352, -26992],
"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": "a1adab22-8382-4336-ba74-15a4721d51f4",
"name": "Update Fallback State",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [0, -27488],
"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": "34288a94-82da-4642-88b1-b0929f921eeb",
"name": "Confidence Router",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [-192, -26992],
"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": "e12e7219-0f80-4414-8d4a-aa9363ec1ee9",
"name": "Log Reject to CSV",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [304, -27216],
"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) => `\"${String(s || '').replace(/\"/g, '\"\"')}\"`;\n\nif (!fs.existsSync(config.LOG_PATH)) {\n fs.mkdirSync(config.LOG_PATH, { recursive: true });\n}\n\nif (!fs.existsSync(csvPath)) {\n fs.writeFileSync(csvPath, header, 'utf8');\n}\n\nfor (const item of items) {\n const line = [\n new Date().toISOString(),\n esc(item.json.document_number),\n esc(item.json.error_type || 'UNKNOWN'),\n esc(item.json.error || item.json.parse_error),\n esc(item.json.raw_ai_response || '')\n ].join(',') + '\\n';\n \n fs.appendFileSync(csvPath, line, 'utf8');\n}\n\nreturn items;"
},
"id": "a2526431-176a-4246-a9ad-3b2dbfec574a",
"name": "Log Error to CSV",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [144, -27120],
"notes": "บันทึก Error ลง CSV (จาก File Validator)"
},
{
"parameters": {
"method": "POST",
"url": "={{$('Set Configuration').first().json.config.BACKEND_URL}}/api/migration/errors",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "={{$('Set Configuration').first().json.config.MIGRATION_TOKEN}}"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ batch_id: $('Set Configuration').first().json.config.BATCH_ID, document_number: $json.document_number || '', error_type: $json.error_type || 'UNKNOWN', error_message: $json.error || $json.parse_error || '', raw_ai_response: $json.raw_ai_response || '' }) }}",
"options": {
"timeout": 10000
}
},
"id": "7d620e96-a067-430e-af53-06c4492c11e4",
"name": "Log Error to DB",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [464, -27104],
"onError": "continueErrorOutput",
"notes": "บันทึก Error ผ่าน Backend API (ป้องกัน SQL Injection)"
},
{
"parameters": {
"amount": "={{$('Set Configuration').first().json.config.DELAY_MS / 1000}}",
"unit": "seconds"
},
"id": "5909f64b-67a5-40e7-b7b0-3e031376e5ad",
"name": "Delay",
"type": "n8n-nodes-base.wait",
"typeVersion": 1,
"position": [704, -27152],
"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": "0558f317-fc7a-460a-bcfd-60ea541fc2b9",
"name": "Route by Confidence",
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [-16, -27312]
},
{
"parameters": {
"fileSelector": "={{ $json.file_path }}",
"options": {}
},
"id": "319a9a0b-2837-4f1c-8e5a-58a0e95dfed5",
"name": "Read PDF File",
"type": "n8n-nodes-base.readWriteFile",
"typeVersion": 1,
"position": [-224, -27584],
"onError": "continueErrorOutput"
},
{
"parameters": {
"method": "POST",
"url": "={{$('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": [
{
"parameterType": "formBinaryData",
"name": "file",
"inputDataFieldName": "data"
}
]
},
"options": {
"timeout": 60000
}
},
"id": "6db11a13-cd5f-4e85-9263-085590e0b07f",
"name": "Upload to Backend",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [-544, -27376],
"notes": "Upload PDF to Backend Temp Storage"
},
{
"parameters": {
"jsCode": "const item = $input.first();\nconst binaryData = $('Read PDF File').first().binary.data;\n\nreturn {\n json: { ...item.json },\n binary: { data: binaryData }\n};"
},
"id": "eeea6259-6bb0-42cc-8812-d6dd22e8fa1c",
"name": "Restore Binary",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [-400, -27376],
"notes": "Re-attach PDF binary จาก Read PDF File เพื่อส่ง Upload (หลัง AI ตรวจแล้ว)"
},
{
"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": "0b34e1a9-9d83-4c8a-9d59-2d9be4b23123",
"name": "Extract PDF Text",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [-240, -27376],
"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": "5f785556-e8f5-40ae-8fd6-786c46ed7090",
"name": "Fetch DB Context",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [-336, -27200],
"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 subject: String(ai.subject || item.subject || ''),\n original_subject: String(item.subject || ''),\n category: ai.suggested_category || 'Correspondence',\n body: String(ai.body || ai.summary || ''),\n ai_summary: ai.summary || ai.body || '',\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 details: { tags: ai.tags || [] },\n temp_attachment_id: $('Upload to Backend').first()?.json?.id || item.temp_attachment_id || null,\n is_valid: ai.is_valid !== false,\n confidence: ai.confidence || 0.0,\n ai_issues: ai.key_points || []\n }\n }\n };\n});"
},
"id": "6bc2f3a0-9094-4bfd-a0a0-ba9a8effb53a",
"name": "Build Enqueue Payload",
"typeVersion": 2,
"type": "n8n-nodes-base.code",
"position": [192, -27408],
"notes": "สร้าง payload สำหรับ Enqueue Migration"
},
{
"parameters": {
"method": "POST",
"url": "={{$('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": "={{ $json.enqueue_payload }}",
"options": {
"timeout": 30000
}
},
"id": "69152618-eed4-4b2b-a34f-e03cb630649a",
"name": "Enqueue to Review Queue",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [368, -27408],
"notes": "ส่งข้อมูลเข้า Staging Queue"
},
{
"parameters": {
"operation": "executeQuery",
"query": "INSERT INTO migration_progress (batch_id, last_processed_index, status) VALUES ('{{$('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": "a7926600-01e6-49d3-9f29-ef7bab1c79c0",
"name": "Save Checkpoint",
"type": "n8n-nodes-base.mySql",
"typeVersion": 2.4,
"position": [560, -27312],
"credentials": {
"mySql": {
"id": "CHHfbKhMacNo03V4",
"name": "MySQL account"
}
},
"notes": "บันทึกความคืบหน้าลง Database"
}
],
"pinData": {},
"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": "Extract PDF Text",
"type": "main",
"index": 0
}
]
]
},
"Upload to Backend": {
"main": [
[
{
"node": "Build Enqueue Payload",
"type": "main",
"index": 0
}
]
]
},
"Restore Binary": {
"main": [
[
{
"node": "Upload to Backend",
"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": "Restore Binary",
"type": "main",
"index": 0
}
],
[
{
"node": "Restore Binary",
"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
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1",
"binaryMode": "separate",
"availableInMCP": false
},
"versionId": "1a305c6e-35fe-43cb-b5fa-bda279a36500",
"meta": {
"instanceId": "9e70e47c1eaf3bac72f497ddfbde0983f840f7d0f059537f7e37dd70de18ecb7"
},
"id": "8Z6xwWVQ3TUflnSY",
"tags": []
}