{
  "id": "TApiWf18WeeklyBrief01",
  "name": "Weekly Industry Brief across Channels (TranscriptAPI)",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "days",
              "daysInterval": 7,
              "triggerAtHour": 8
            }
          ]
        }
      },
      "id": "18181818-1818-4818-8818-181818181801",
      "name": "Every Week",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        -320,
        0
      ]
    },
    {
      "parameters": {
        "jsCode": "// Define the channels to monitor (edit this list — @handle, URL, or UC... ID).\nconst channels = ['REPLACE_WITH_CHANNEL_1', 'REPLACE_WITH_CHANNEL_2', 'REPLACE_WITH_CHANNEL_3'];\nreturn channels.map((c) => ({ json: { channel: c } }));"
      },
      "id": "18181818-1818-4818-8818-181818181802",
      "name": "Set Channel List",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "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": "18181818-1818-4818-8818-181818181803",
      "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": "// Flatten each channel feed to the videos published in the last 7 days.\nconst WINDOW_DAYS = 7;\nconst cutoff = Date.now() - WINDOW_DAYS * 864e5;\nconst out = [];\nfor (const item of $input.all()) {\n  const d = item.json;\n  const ch = (d.channel && d.channel.title) || null;\n  for (const v of (d.results || [])) {\n    const pub = v.published ? new Date(v.published).getTime() : 0;\n    if (pub >= cutoff) {\n      out.push({ json: {\n        videoId: v.videoId,\n        title: v.title || null,\n        videoUrl: v.link || ('https://www.youtube.com/watch?v=' + v.videoId),\n        channelTitle: ch,\n        published: v.published || null,\n      } });\n    }\n  }\n}\nreturn out;"
      },
      "id": "18181818-1818-4818-8818-181818181804",
      "name": "Collect New Videos",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        340,
        0
      ]
    },
    {
      "parameters": {
        "maxItems": 10
      },
      "id": "18181818-1818-4818-8818-181818181805",
      "name": "Keep Top 10",
      "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": "18181818-1818-4818-8818-181818181806",
      "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": {
        "jsCode": "// Combine the week\\u2019s transcripts into one bounded brief corpus.\nconst MAX = 6000;\nconst sources = [];\nconst blocks = [];\nfor (const item of $input.all()) {\n  const d = item.json;\n  const seg = Array.isArray(d.transcript) ? d.transcript : [];\n  if (seg.length === 0) continue;\n  const meta = d.metadata || {};\n  const vid = d.video_id;\n  const title = meta.title || vid;\n  const url = 'https://www.youtube.com/watch?v=' + vid;\n  const text = seg.map((s) => s.text).join(' ').slice(0, MAX);\n  sources.push({ title, videoUrl: url });\n  blocks.push('### ' + title + ' (' + (meta.author_name || '') + ')\\n' + url + '\\n' + text);\n}\nreturn [\n  { json: { sourceCount: sources.length, sources, combinedText: blocks.join('\\n\\n') } },\n];"
      },
      "id": "18181818-1818-4818-8818-181818181807",
      "name": "Aggregate Brief Input",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1000,
        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', messages: [ { role: 'system', content: 'You are an industry analyst. From the supplied transcripts of recent videos across several channels, write an executive industry brief in Markdown with these sections: ## At a Glance, ## Key Developments, ## Themes and Signals, ## What to Watch. Be specific and reference video titles. Use only the transcripts provided.' }, { role: 'user', content: 'Recent videos:\\n\\n' + $json.combinedText } ] }) }}",
        "options": {}
      },
      "id": "18181818-1818-4818-8818-181818181808",
      "name": "Write Industry Brief (LLM)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1220,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_OPENAI_CRED_ID",
          "name": "OpenAI - Authorization Bearer"
        }
      }
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://slack.com/api/chat.postMessage",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ channel: 'REPLACE_WITH_SLACK_CHANNEL_ID', text: '*🗞 Weekly Industry Brief* (' + ($('Aggregate Brief Input').first().json.sourceCount || 0) + ' videos)\\n\\n' + $json.choices[0].message.content }) }}",
        "options": {}
      },
      "id": "18181818-1818-4818-8818-181818181809",
      "name": "Send Brief",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1440,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_SLACK_CRED_ID",
          "name": "Slack - Authorization Bearer"
        }
      }
    }
  ],
  "connections": {
    "Every Week": {
      "main": [
        [
          {
            "node": "Set Channel List",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Channel List": {
      "main": [
        [
          {
            "node": "Get Latest Videos (TranscriptAPI)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Latest Videos (TranscriptAPI)": {
      "main": [
        [
          {
            "node": "Collect New Videos",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Collect New Videos": {
      "main": [
        [
          {
            "node": "Keep Top 10",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Keep Top 10": {
      "main": [
        [
          {
            "node": "Get Transcript (TranscriptAPI)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Transcript (TranscriptAPI)": {
      "main": [
        [
          {
            "node": "Aggregate Brief Input",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Aggregate Brief Input": {
      "main": [
        [
          {
            "node": "Write Industry Brief (LLM)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Write Industry Brief (LLM)": {
      "main": [
        [
          {
            "node": "Send Brief",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "pinData": {}
}