{
  "id": "TApiWf32Sentiment01",
  "name": "Channel Sentiment Pipeline (TranscriptAPI)",
  "nodes": [
    {
      "parameters": {},
      "id": "32323232-3232-4232-8232-323232323201",
      "name": "Start",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        -320,
        0
      ]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "32323232-3232-4232-8232-3232323232a1",
              "name": "channel",
              "value": "REPLACE_WITH_CHANNEL_HANDLE_OR_ID",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "id": "32323232-3232-4232-8232-323232323202",
      "name": "Set Channel",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        -100,
        0
      ]
    },
    {
      "parameters": {
        "url": "https://transcriptapi.com/api/v2/youtube/channel/latest",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "channel",
              "value": "={{ $json.channel }}"
            }
          ]
        },
        "options": {}
      },
      "id": "32323232-3232-4232-8232-323232323203",
      "name": "Get Latest Videos (TranscriptAPI)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        120,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_TRANSCRIPTAPI_CRED_ID",
          "name": "TranscriptAPI - Authorization Bearer"
        }
      }
    },
    {
      "parameters": {
        "jsCode": "const data = $input.first().json;\nreturn (data.results || []).map((v) => ({ json: { videoId: v.videoId, title: v.title || null, videoUrl: v.link || ('https://www.youtube.com/watch?v=' + v.videoId) } }));"
      },
      "id": "32323232-3232-4232-8232-323232323204",
      "name": "Extract Recent Videos",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        340,
        0
      ]
    },
    {
      "parameters": {
        "maxItems": 3
      },
      "id": "32323232-3232-4232-8232-323232323205",
      "name": "Keep First 3",
      "type": "n8n-nodes-base.limit",
      "typeVersion": 1,
      "position": [
        560,
        0
      ]
    },
    {
      "parameters": {
        "url": "https://transcriptapi.com/api/v2/youtube/transcript",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "video_url",
              "value": "={{ $json.videoUrl }}"
            },
            {
              "name": "format",
              "value": "json"
            },
            {
              "name": "send_metadata",
              "value": "true"
            }
          ]
        },
        "options": {}
      },
      "id": "32323232-3232-4232-8232-323232323206",
      "name": "Get Transcript (TranscriptAPI)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        780,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_TRANSCRIPTAPI_CRED_ID",
          "name": "TranscriptAPI - Authorization Bearer"
        }
      },
      "onError": "continueRegularOutput"
    },
    {
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "const d = $json; const seg = Array.isArray(d.transcript) ? d.transcript : []; const meta = d.metadata || {};\nconst src = $('Extract Recent Videos').item.json;\nconst transcriptText = seg.map((s) => s.text).join(' ');\nreturn { json: { title: meta.title || src.title, videoUrl: src.videoUrl, transcriptText, hasTranscript: transcriptText.length > 0 } };"
      },
      "id": "32323232-3232-4232-8232-323232323207",
      "name": "Build Sentiment Input",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1000,
        0
      ]
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "id": "c3232323-3232-4232-8232-323232323ccc",
              "leftValue": "={{ $json.hasTranscript }}",
              "rightValue": true,
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "32323232-3232-4232-8232-323232323208",
      "name": "Has Transcript?",
      "type": "n8n-nodes-base.filter",
      "typeVersion": 2,
      "position": [
        1220,
        0
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://api.openai.com/v1/chat/completions",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ model: 'gpt-4o-mini', response_format: { type: 'json_object' }, messages: [ { role: 'system', content: 'You analyze a YouTube video transcript. Respond ONLY with a JSON object with keys: sentiment (one of positive, neutral, negative), sentiment_score (number from -1 to 1), topics (array of 3-6 topic tags), summary (1-2 sentences). Base it only on the transcript.' }, { role: 'user', content: 'Title: ' + ($json.title || '') + '\\n\\nTranscript:\\n' + $json.transcriptText } ] }) }}",
        "options": {}
      },
      "id": "32323232-3232-4232-8232-323232323209",
      "name": "Score Sentiment (LLM)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1440,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_OPENAI_CRED_ID",
          "name": "OpenAI - Authorization Bearer"
        }
      }
    },
    {
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "const raw = ($json.choices && $json.choices[0] && $json.choices[0].message.content) || '';\nlet r; try { r = JSON.parse(raw); } catch (e) { r = {}; }\nconst src = $('Build Sentiment Input').item.json;\nreturn { json: { title: src.title, videoUrl: src.videoUrl, sentiment: r.sentiment || null, sentimentScore: (typeof r.sentiment_score === \"number\" ? r.sentiment_score : null), topics: r.topics || [], summary: r.summary || null } };"
      },
      "id": "32323232-3232-4232-8232-323232323210",
      "name": "Format Rows",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1660,
        0
      ]
    }
  ],
  "connections": {
    "Start": {
      "main": [
        [
          {
            "node": "Set Channel",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Channel": {
      "main": [
        [
          {
            "node": "Get Latest Videos (TranscriptAPI)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Latest Videos (TranscriptAPI)": {
      "main": [
        [
          {
            "node": "Extract Recent Videos",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Recent Videos": {
      "main": [
        [
          {
            "node": "Keep First 3",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Keep First 3": {
      "main": [
        [
          {
            "node": "Get Transcript (TranscriptAPI)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Transcript (TranscriptAPI)": {
      "main": [
        [
          {
            "node": "Build Sentiment Input",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build Sentiment Input": {
      "main": [
        [
          {
            "node": "Has Transcript?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Has Transcript?": {
      "main": [
        [
          {
            "node": "Score Sentiment (LLM)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Score Sentiment (LLM)": {
      "main": [
        [
          {
            "node": "Format Rows",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "pinData": {}
}