{
  "id": "TApiWf23StudyNotes01",
  "name": "Playlist → Study Notes Generator (TranscriptAPI)",
  "nodes": [
    {
      "parameters": {},
      "id": "23232323-2323-4323-8323-232323232301",
      "name": "Start",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        -300,
        0
      ]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "23232323-2323-4323-8323-2323232323a1",
              "name": "playlistUrl",
              "value": "REPLACE_WITH_PLAYLIST_URL_OR_ID",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "id": "23232323-2323-4323-8323-232323232302",
      "name": "Set Playlist",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        -80,
        0
      ]
    },
    {
      "parameters": {
        "url": "https://transcriptapi.com/api/v2/youtube/playlist/videos",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "playlist",
              "value": "={{ $json.playlistUrl }}"
            }
          ]
        },
        "options": {}
      },
      "id": "23232323-2323-4323-8323-232323232303",
      "name": "Get Playlist Videos",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        140,
        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, videoTitle: v.title || null, videoUrl: 'https://www.youtube.com/watch?v=' + v.videoId } }));"
      },
      "id": "23232323-2323-4323-8323-232323232304",
      "name": "Extract Video List",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        360,
        0
      ]
    },
    {
      "parameters": {
        "maxItems": 3
      },
      "id": "23232323-2323-4323-8323-232323232305",
      "name": "Keep First 3",
      "type": "n8n-nodes-base.limit",
      "typeVersion": 1,
      "position": [
        580,
        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": "23232323-2323-4323-8323-232323232306",
      "name": "Get Transcript (TranscriptAPI)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        800,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_TRANSCRIPTAPI_CRED_ID",
          "name": "TranscriptAPI - Authorization Bearer"
        }
      },
      "onError": "continueRegularOutput"
    },
    {
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "// Build a timestamped transcript per video; carry title + URL (per-item).\nfunction ts(sec) {\n  const s = Math.floor(sec || 0);\n  const h = Math.floor(s / 3600), m = Math.floor((s % 3600) / 60), r = s % 60;\n  const mm = (r < 10 ? '0' : '') + r;\n  return h > 0 ? (h + ':' + (m < 10 ? '0' : '') + m + ':' + mm) : (m + ':' + mm);\n}\nconst d = $json;\nconst seg = Array.isArray(d.transcript) ? d.transcript : [];\nconst meta = d.metadata || {};\nconst transcriptText = seg.map((s) => '[' + ts(s.start) + '] ' + s.text).join('\\n');\nreturn {\n  json: {\n    title: meta.title || d.video_id,\n    videoUrl: 'https://www.youtube.com/watch?v=' + d.video_id,\n    hasTranscript: seg.length > 0,\n    transcriptText,\n  },\n};"
      },
      "id": "23232323-2323-4323-8323-232323232307",
      "name": "Build Notes Input",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1020,
        0
      ]
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "id": "c2323232-2323-4323-8323-232323232ccc",
              "leftValue": "={{ $json.hasTranscript }}",
              "rightValue": true,
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "23232323-2323-4323-8323-232323232308",
      "name": "Has Transcript?",
      "type": "n8n-nodes-base.filter",
      "typeVersion": 2,
      "position": [
        1240,
        0
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://api.openai.com/v1/chat/completions",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ model: 'gpt-4o-mini', response_format: { type: 'json_object' }, messages: [ { role: 'system', content: 'You are a study assistant. From this timestamped lecture transcript, produce study notes. Respond ONLY with a JSON object with keys: summary (2-3 sentences), key_concepts (array of 4-8 strings), definitions (array of objects with term and definition), timestamps (array of objects with label and time, using the [h:mm:ss] markers for the main sections), markdown (the full notes in Markdown). Base everything only on the transcript.' }, { role: 'user', content: 'Lecture: ' + ($json.title || 'Untitled') + '\\n\\nTimestamped transcript:\\n' + $json.transcriptText } ] }) }}",
        "options": {}
      },
      "id": "23232323-2323-4323-8323-232323232309",
      "name": "Generate Study Notes (LLM)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1460,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_OPENAI_CRED_ID",
          "name": "OpenAI - Authorization Bearer"
        }
      }
    },
    {
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "// One study-notes row per video (Markdown/Notion/Airtable/CSV-ready).\nconst raw = ($json.choices && $json.choices[0] && $json.choices[0].message.content) || '';\nlet n; try { n = JSON.parse(raw); } catch (e) { n = { markdown: raw }; }\nconst src = $('Build Notes Input').item.json;\nreturn {\n  json: {\n    title: src.title,\n    videoUrl: src.videoUrl,\n    summary: n.summary || null,\n    keyConcepts: n.key_concepts || [],\n    definitions: n.definitions || [],\n    timestamps: n.timestamps || [],\n    markdown: n.markdown || '',\n  },\n};"
      },
      "id": "23232323-2323-4323-8323-232323232310",
      "name": "Format Notes",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1680,
        0
      ]
    }
  ],
  "connections": {
    "Start": {
      "main": [
        [
          {
            "node": "Set Playlist",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Playlist": {
      "main": [
        [
          {
            "node": "Get Playlist Videos",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Playlist Videos": {
      "main": [
        [
          {
            "node": "Extract Video List",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Video List": {
      "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 Notes Input",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build Notes Input": {
      "main": [
        [
          {
            "node": "Has Transcript?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Has Transcript?": {
      "main": [
        [
          {
            "node": "Generate Study Notes (LLM)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate Study Notes (LLM)": {
      "main": [
        [
          {
            "node": "Format Notes",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "pinData": {}
}