{
  "id": "kRZyX9H2uDHHncpE",
  "name": "MAM Transmission Manager",
  "nodes": [
    {
      "parameters": {},
      "id": "start",
      "name": "Start",
      "position": [
        224,
        128
      ],
      "type": "n8n-nodes-base.executeWorkflowTrigger",
      "typeVersion": 1
    },
    {
      "parameters": {
        "method": "POST",
        "url": "http://seed-1.dfw.ben.io:9091/transmission/rpc",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpBasicAuth",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "X-Transmission-Session-Id",
              "value": "={{ $('Merge Session to Files').item.json.headers[\"X-Transmission-Session-Id\"] }}"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"method\": \"torrent-add\",\n  \"arguments\": {\n    \"metainfo\": \"{{ $('Extract from File').item.json.data }}\",\n    \"download-dir\": \"/home/seed_/.transmission/downloads/audio\",\n    \"paused\": true\n  }\n}",
        "options": {
          "response": {
            "response": {
              "fullResponse": true
            }
          }
        }
      },
      "id": "http-add-torrent",
      "name": "Add Torrent to Transmission",
      "position": [
        1792,
        128
      ],
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "credentials": {
        "httpBasicAuth": {
          "id": "iymUPilnVhfL3h5D",
          "name": "transmission"
        }
      },
      "onError": "continueRegularOutput"
    },
    {
      "parameters": {
        "jsCode": "const responses = $input.all();\nconst originals = $('Start').all();\nconst mergedPayloads = $('Merge Session Context').all();\n\nfunction getOriginal(index) {\n  return originals[index]?.json || originals[0]?.json || {};\n}\n\nfunction getSessionId(index) {\n  return mergedPayloads[index]?.json?.session_id || mergedPayloads[0]?.json?.session_id || '';\n}\n\nconst outputs = [];\n\nfor (let i = 0; i < responses.length; i++) {\n  const item = responses[i];\n  const body = item.json.body || item.json;\n  const result = body?.result;\n  const args = body?.arguments || {};\n  const torrentInfo = args['torrent-added'] || args['torrent-duplicate'];\n  const sessionId = getSessionId(i);\n  const originalInput = getOriginal(i);\n\n  if (item.error || (!torrentInfo && result !== 'duplicate' && result !== 'success')) {\n    outputs.push({\n      json: {\n        status: 'failed',\n        error: item.error?.message || result || 'Unknown error adding torrent',\n        torrent_id: null,\n        session_id: sessionId,\n        original_input: originalInput\n      }\n    });\n    continue;\n  }\n\n  if (!torrentInfo) {\n    outputs.push({\n      json: {\n        status: 'failed',\n        error: 'Could not extract torrent info from response',\n        torrent_id: null,\n        session_id: sessionId,\n        original_input: originalInput\n      }\n    });\n    continue;\n  }\n\n  outputs.push({\n    json: {\n      status: 'queued',\n      torrent_id: torrentInfo.id,\n      torrent_hash: torrentInfo.hashString,\n      torrent_name: torrentInfo.name,\n      session_id: sessionId,\n      original_input: originalInput\n    }\n  });\n}\n\nreturn outputs;"
      },
      "id": "code-extract-torrent-id",
      "name": "Extract Torrent ID",
      "position": [
        2016,
        128
      ],
      "type": "n8n-nodes-base.code",
      "typeVersion": 2
    },
    {
      "parameters": {
        "respondWith": "allIncomingItems",
        "options": {}
      },
      "id": "respond-complete",
      "name": "Respond Complete",
      "position": [
        2464,
        128
      ],
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1
    },
    {
      "parameters": {
        "language": "pythonNative",
        "pythonCode": "# 1. Access the input item\nitem = _items[0]['json']\n\n# 2. Extract the data we need\n# UPDATE: The input key is now 'dl_link', not 'download_link'\ndownload_link = item.get('dl_link')\nsession_id = item.get('session_id')\n\n# 3. Create the Transmission Payload\npayload = {\n    \"method\": \"torrent-add\",\n    \"arguments\": {\n        \"filename\": download_link,\n        \"download-dir\": \"/home/seed_/.transmission/downloads/audio\",\n        \"paused\": True \n    }\n}\n\n# 4. Return the formatted data\nreturn [{\n    \"json\": {\n        # UPDATE: Map 'title' correctly for any old nodes that need it\n        \"title\": item.get('meta_title'),\n        \n        # NEW: Pass through all metadata for the Postgres Logger\n        \"meta_title\": item.get('meta_title'),\n        \"meta_series\": item.get('meta_series'),\n        \"meta_book_number\": item.get('meta_book_number'),\n        \"meta_author\": item.get('meta_author'),\n        \"mam_id\": item.get('mam_id'),\n        \"dl_link\": download_link,\n        \n        # Transmission Data\n        \"transmission_body\": payload,\n        \"headers\": {\n            \"X-Transmission-Session-Id\": session_id\n        }\n    }\n}]"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        896,
        128
      ],
      "id": "d6d9f145-6b10-452f-aa08-2dc669c3b4d6",
      "name": "Merge Session to Files"
    },
    {
      "parameters": {
        "mode": "combine",
        "combineBy": "combineByPosition",
        "options": {}
      },
      "type": "n8n-nodes-base.merge",
      "typeVersion": 3.2,
      "position": [
        672,
        128
      ],
      "id": "dde23141-d708-48e7-942f-08aa1d749189",
      "name": "Merge Session Context"
    },
    {
      "parameters": {
        "url": "={{ $json.transmission_body.arguments.filename }}",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "options": {
          "response": {
            "response": {
              "fullResponse": true,
              "responseFormat": "file"
            }
          }
        }
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.3,
      "position": [
        1120,
        128
      ],
      "id": "acb7d649-a853-44e7-84e8-f82398f3008a",
      "name": "MAM Get File HTTP Request",
      "credentials": {
        "httpBasicAuth": {
          "id": "iymUPilnVhfL3h5D",
          "name": "transmission"
        },
        "httpHeaderAuth": {
          "id": "G8eA8XeS9P5axwJd",
          "name": "mam cookie auth header"
        }
      }
    },
    {
      "parameters": {
        "operation": "binaryToPropery",
        "options": {}
      },
      "type": "n8n-nodes-base.extractFromFile",
      "typeVersion": 1.1,
      "position": [
        1568,
        128
      ],
      "id": "acb1b56b-ac9a-41ec-ad60-7ce983b8cdd7",
      "name": "Extract from File"
    },
    {
      "parameters": {
        "language": "pythonNative",
        "pythonCode": "results = []\n\nfor item in _items:\n    # 1. Get the binary data from the previous download node\n    # n8n stores the file in the 'binary' key. The default property name is usually 'data'.\n    # We need the 'data' field inside that, which contains the Base64 string.\n    binary_ref = item.get('binary', {}).get('data', {})\n    b64_string = binary_ref.get('data')\n\n    if b64_string:\n        # 2. Create the exact JSON body Transmission expects for file uploads\n        # We use \"metainfo\" for the actual file content (Base64)\n        payload = {\n            \"method\": \"torrent-add\",\n            \"arguments\": {\n                \"metainfo\": b64_string, \n                \"download-dir\": \"/home/seed_/.transmission/downloads/audio\",\n                \"paused\": False\n            }\n        }\n\n        # 3. Preserve any existing JSON (like session_id) if it exists, or start fresh\n        new_json = item.get('json', {}).copy()\n        new_json['transmission_body'] = payload\n        \n        results.append({\n            \"json\": new_json,\n            # Pass the binary through just in case, though we don't strictly need it anymore\n            \"binary\": item.get('binary', {})\n        })\n\nreturn results"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1344,
        128
      ],
      "id": "0b011613-50e9-4612-ac6e-1f6ac0e39ebb",
      "name": "Prepare Transmission Payload"
    },
    {
      "parameters": {
        "workflowId": {
          "__rl": true,
          "value": "NChjOd3ILEmt0FdyAt8qA",
          "mode": "list",
          "cachedResultUrl": "/workflow/NChjOd3ILEmt0FdyAt8qA",
          "cachedResultName": "Transmission: Get Session"
        },
        "workflowInputs": {
          "mappingMode": "defineBelow",
          "value": {
            "server_id": "seed-1.dfw.ben.io"
          },
          "matchingColumns": [
            "server_id"
          ],
          "schema": [
            {
              "id": "server_id",
              "displayName": "server_id",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "canBeUsedToMatch": true,
              "type": "string",
              "removed": false
            }
          ],
          "attemptToConvertTypes": false,
          "convertFieldsToString": true
        },
        "options": {}
      },
      "type": "n8n-nodes-base.executeWorkflow",
      "typeVersion": 1.3,
      "position": [
        448,
        208
      ],
      "id": "175e270a-b1d9-41d0-981a-1f83258443b1",
      "name": "Transmission: Get Session"
    },
    {
      "parameters": {
        "schema": {
          "__rl": true,
          "mode": "list",
          "value": "public"
        },
        "table": {
          "__rl": true,
          "value": "download_history",
          "mode": "list",
          "cachedResultName": "download_history"
        },
        "columns": {
          "mappingMode": "defineBelow",
          "value": {
            "mam_id": "={{ $json.original_input.mam_id }}",
            "torrent_url": "={{ $('Extract Torrent ID').item.json.original_input.dl_link }}",
            "book_id": "={{ null }}",
            "torrent_hash": "={{ $json.torrent_hash }}",
            "filename": "={{ $('Extract Torrent ID').item.json.torrent_name }}",
            "status": "={{ $json.status }}",
            "meta_title": "={{ $json.original_input.meta_title }}",
            "meta_series": "={{ $json.original_input.meta_series }}",
            "meta_book_number": "={{ $json.original_input.meta_book_number }}",
            "meta_author": "={{ $json.original_input.meta_author }}"
          },
          "matchingColumns": [
            "id"
          ],
          "schema": [
            {
              "id": "id",
              "displayName": "id",
              "required": false,
              "defaultMatch": true,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true,
              "removed": false
            },
            {
              "id": "book_id",
              "displayName": "book_id",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "torrent_url",
              "displayName": "torrent_url",
              "required": true,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "torrent_hash",
              "displayName": "torrent_hash",
              "required": true,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "filename",
              "displayName": "filename",
              "required": true,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "transmission_path",
              "displayName": "transmission_path",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "gateway_path",
              "displayName": "gateway_path",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "status",
              "displayName": "status",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "downloaded_at",
              "displayName": "downloaded_at",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "dateTime",
              "canBeUsedToMatch": true
            },
            {
              "id": "created_at",
              "displayName": "created_at",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "dateTime",
              "canBeUsedToMatch": true
            },
            {
              "id": "updated_at",
              "displayName": "updated_at",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "dateTime",
              "canBeUsedToMatch": true
            },
            {
              "id": "meta_title",
              "displayName": "meta_title",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "meta_series",
              "displayName": "meta_series",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "meta_book_number",
              "displayName": "meta_book_number",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "meta_author",
              "displayName": "meta_author",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            },
            {
              "id": "mam_id",
              "displayName": "mam_id",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "number",
              "canBeUsedToMatch": true
            },
            {
              "id": "error_log",
              "displayName": "error_log",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "canBeUsedToMatch": true
            }
          ],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {}
      },
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 2.6,
      "position": [
        2240,
        128
      ],
      "id": "5a79163a-a211-475c-b53e-79d086a4c9a7",
      "name": "Insert rows in a table",
      "credentials": {
        "postgres": {
          "id": "9grzZwW7Br6SzdV8",
          "name": "n8n-media"
        }
      }
    }
  ],
  "connections": {
    "Add Torrent to Transmission": {
      "main": [
        [
          {
            "index": 0,
            "node": "Extract Torrent ID",
            "type": "main"
          }
        ]
      ]
    },
    "Extract Torrent ID": {
      "main": [
        [
          {
            "node": "Insert rows in a table",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Start": {
      "main": [
        [
          {
            "node": "Transmission: Get Session",
            "type": "main",
            "index": 0
          },
          {
            "node": "Merge Session Context",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Merge Session to Files": {
      "main": [
        [
          {
            "node": "MAM Get File HTTP Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Merge Session Context": {
      "main": [
        [
          {
            "node": "Merge Session to Files",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "MAM Get File HTTP Request": {
      "main": [
        [
          {
            "node": "Prepare Transmission Payload",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract from File": {
      "main": [
        [
          {
            "node": "Add Torrent to Transmission",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Prepare Transmission Payload": {
      "main": [
        [
          {
            "node": "Extract from File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Transmission: Get Session": {
      "main": [
        [
          {
            "node": "Merge Session Context",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "Insert rows in a table": {
      "main": [
        [
          {
            "node": "Respond Complete",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {},
  "triggerCount": 0,
  "versionId": "ea21c736-ae26-492b-aa4d-f1096fa4af15",
  "owner": {
    "type": "personal",
    "projectId": "FeLO36wNUAcn61Wj",
    "projectName": "Ben W <admin@ben.io>",
    "personalEmail": "admin@ben.io"
  },
  "parentFolderId": "6tDyZCwqELStb6Ik",
  "isArchived": false
}