Elasticsearch 기반 동적 검색 인터페이스와 자동화된 보고서 생성

• •대상 API의 인증 정보가 필요할 수 있음

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  "name": "Dynamic Search Interface with Elasticsearch and Automated Report Generation",
  "tags": [],
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      "name": "검색 양식",
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            {
              "fieldType": "number",
              "fieldLabel": "Minimum Amount ($)"
            },
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              "fieldLabel": "Time Range",
              "fieldOptions": {
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                    "option": "Last 1 Hour"
                  },
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                    "option": "Last 24 Hours"
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              "requiredField": true
            },
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              "fieldLabel": "Customer ID (Optional)"
            },
            {
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              "fieldLabel": "Report Format",
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                  {
                    "option": "Text Report"
                  },
                  {
                    "option": "CSV Export"
                  }
                ]
              },
              "requiredField": true
            }
          ]
        },
        "responseMode": "responseNode",
        "formDescription": "Search for suspicious transactions in your banking database"
      },
      "typeVersion": 2.1
    },
    {
      "id": "79e2a04d-9427-4d8d-ae8a-41005a2ab80d",
      "name": "검색 쿼리 작성",
      "type": "n8n-nodes-base.code",
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      "typeVersion": 2
    },
    {
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      "name": "Elasticsearch 검색",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
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      ],
      "parameters": {
        "url": "https://localhost:9220/bank_transactions/_search",
        "options": {
          "allowUnauthorizedCerts": true
        },
        "jsonBody": "={{ $json.elasticsearchQuery }}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpBasicAuth"
      },
      "typeVersion": 4.1
    },
    {
      "id": "4869c996-8a2e-40a1-aea3-384e0e379c14",
      "name": "보고서 서식 지정",
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        "jsCode": "// Get data from previous nodes\nconst esResponse = $input.first().json;\nconst searchParams = $('Build Search Query').first().json.searchParams;\n\n// Extract results\nconst hits = esResponse.hits?.hits || [];\nconst totalFound = esResponse.hits?.total?.value || 0;\n\n// Generate filename\nconst timestamp = new Date().toISOString().split('T')[0];\nconst isCSV = searchParams.reportFormat === 'CSV Export';\nconst filename = `report_${timestamp}.${isCSV ? 'csv' : 'txt'}`;\nconst mimeType = isCSV ? 'text/csv' : 'text/plain';\n\n// Generate report content\nlet reportContent = '';\n\nif (isCSV) {\n  // CSV format\n  reportContent = 'Transaction_ID,Customer_ID,Amount,Merchant_Category,Timestamp\\n';\n  hits.forEach(hit => {\n    const t = hit._source || {};\n    reportContent += `\"${t.transaction_id || ''}\",\"${t.customer_id || ''}\",${t.amount || 0},\"${t.merchant_category || ''}\",\"${t.timestamp || ''}\"\\n`;\n  });\n} else {\n  // Text format\n  reportContent = `DYNAMIC SEARCH REPORT\\n`;\n  reportContent += `======================\\n\\n`;\n  reportContent += `Search Criteria:\\n`;\n  reportContent += `- Minimum Amount: $${searchParams.minAmount}\\n`;\n  reportContent += `- Time Range: ${searchParams.timeRange}\\n`;\n  reportContent += `- Customer: ${searchParams.customerId || 'All'}\\n\\n`;\n  reportContent += `Results: ${totalFound} transactions found\\n\\n`;\n  \n  if (hits.length > 0) {\n    reportContent += `TRANSACTIONS:\\n`;\n    reportContent += `=============\\n\\n`;\n    hits.forEach((hit, index) => {\n      const t = hit._source || {};\n      reportContent += `${index + 1}. Transaction ID: ${t.transaction_id}\\n`;\n      reportContent += `   Customer: ${t.customer_id}\\n`;\n      reportContent += `   Amount: $${t.amount}\\n`;\n      reportContent += `   Merchant: ${t.merchant_category}\\n`;\n      reportContent += `   Time: ${t.timestamp}\\n\\n`;\n    });\n  } else {\n    reportContent += `No suspicious transactions found matching your criteria.\\n`;\n  }\n}\n\n// Convert content to binary data\nconst binaryData = Buffer.from(reportContent, 'utf8');\n\nreturn {\n  json: {\n    filename: filename,\n    mimeType: mimeType,\n    content: reportContent\n  },\n  binary: {\n    data: binaryData\n  }\n};"
      },
      "typeVersion": 2
    },
    {
      "id": "764ac1c5-0ae2-4048-884b-dceb4ea6d719",
      "name": "디스크에서 파일 읽기/쓰기",
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    {
      "id": "b4c9ae5c-cd17-492e-a543-205329a872b9",
      "name": "스티커 노트",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      "parameters": {
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        "content": "## 🎯 ENTRY POINT\nUser fills out dynamic search form with:\n- Minimum transaction amount\n- Time range (1hr to 3 days)\n- Optional customer ID filter\n- Output format (Text/CSV)\n\n💡 TIP: Form auto-validates required fields!"
      },
      "typeVersion": 1
    },
    {
      "id": "b36fea54-e177-4edc-a091-110b25475ad4",
      "name": "스티커 노트1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        40,
        0
      ],
      "parameters": {
        "color": 2,
        "width": 360,
        "height": 300,
        "content": "## 🔧 QUERY BUILDER\nTransforms user input into Elasticsearch query:\n\n✅ Converts time ranges:\n   \"Last 24 Hours\" → \"now-24h\"\n   \"Last 3 Days\" → \"now-3d\"\n\n✅ Builds filters:\n   • Amount >= minimum\n   • Timestamp within range\n   • Customer ID (if provided)\n\n📊 Output: Ready-to-use ES query + metadata"
      },
      "typeVersion": 1
    },
    {
      "id": "8d3f38d7-b483-43cb-bcb5-9524a7a17e86",
      "name": "스티커 노트2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        440,
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      ],
      "parameters": {
        "color": 3,
        "width": 320,
        "height": 260,
        "content": "## 🎯 DATA HUNTER\nSearches bank_transactions index for suspicious activity\n\n🔧 Configuration:\n   • POST to localhost:9220\n   • Uses HTTP Basic Auth\n   • Sends JSON query from previous node\n   • Returns max 100 results, newest first\n\n⚠️ Note: Requires valid ES credentials!"
      },
      "typeVersion": 1
    },
    {
      "id": "11039177-def0-4de1-ad25-f91e1294abee",
      "name": "스티커 노트3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        800,
        0
      ],
      "parameters": {
        "color": 4,
        "width": 340,
        "height": 340,
        "content": "## 📝 REPORT GENERATOR\nTransforms raw ES data into user-friendly reports\n\n🎨 Creates two formats:\n   📄 TEXT: Human-readable summary\n   📊 CSV: Spreadsheet-ready data export\n\n✨ Features:\n   • Auto-generates timestamped filename\n   • Converts text to binary for file writing\n   • Includes search criteria summary\n   • Lists all suspicious transactions\n\n🔄 Output: Content + Binary data ready for file save"
      },
      "typeVersion": 1
    },
    {
      "id": "7c8c7226-a9e3-4edb-9497-e1980f3e84ea",
      "name": "스티커 노트4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1180,
        0
      ],
      "parameters": {
        "color": 5,
        "width": 400,
        "height": 260,
        "content": "## 📁 FILE SAVER\nWrites the report to server disk\n\n📍 Location: /tmp/report_YYYY-MM-DD.{txt|csv}\n🔧 Uses binary data from Format Report node\n✅ File ready for download or further processing\n\n🎯 Perfect for:\n   • Audit trails\n   • Batch processing\n   • Compliance reporting"
      },
      "typeVersion": 1
    },
    {
      "id": "79d96536-a117-474b-a524-ec0e54f7ae2b",
      "name": "스티커 노트5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        40,
        -520
      ],
      "parameters": {
        "color": 6,
        "width": 720,
        "height": 200,
        "content": "## 🎯 DYNAMIC SEARCH PIPELINE\n\nUser Form → Query Builder → ES Search → Report Format → File Save\n\n⏱️ Typical execution: 2-5 seconds\n📊 Handles up to 100 suspicious transactions\n🔒 Secure: Uses authenticated ES connection\n📁 Output: Timestamped report files in /tmp/"
      },
      "typeVersion": 1
    }
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