{
  "id": "aS3YcO4RhtvsdH6q",
  "name": "transmission session mgmt",
  "nodes": [
    {
      "parameters": {},
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        -832,
        -256
      ],
      "id": "6a15d79a-58f3-4bd0-8ad7-d78c3d2e1ef8",
      "name": "When clicking ‘Execute workflow’"
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "id": "condition-1",
              "leftValue": "={{ $json.exists_in_db }}",
              "rightValue": true,
              "operator": {
                "type": "boolean",
                "operation": "equals"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "if-exists-branch",
      "name": "Record Exists?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        1184,
        -160
      ]
    },
    {
      "parameters": {
        "jsCode": "// Configure all Transmission servers to manage\n// Add or remove server URLs as needed\n// Credentials are managed by n8n and applied to HTTP requests\n\nconst servers = [\n  'http://seed-1.dfw.ben.io:9091/transmission/rpc',\n  'http://seed-1.rdu.ben.io:9091/transmission/rpc',\n  'http://seed-1.lax.ben.io:9091/transmission/rpc',\n  // Add more servers here:\n  // 'http://seed-2.dfw.ben.io:9091/transmission/rpc',\n];\n\nreturn servers.map(url => ({\n  json: { url }\n}));"
      },
      "id": "configure-servers-code",
      "name": "Configure Servers",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        -608,
        -160
      ]
    },
    {
      "parameters": {
        "jsCode": "// Match each server with its existing session (if any)\n// Takes servers from Configure Servers and sessions from Get All Stored Sessions\n\nconst servers = $('Configure Servers').all();\nconst sessions = $('Get All Stored Sessions').all();\n\n// Create a lookup map of server_url -> session data\nconst sessionMap = {};\nfor (const session of sessions) {\n  sessionMap[session.json.server_url] = session.json;\n}\n\n// Match each server with its session\nconst results = [];\nfor (const server of servers) {\n  const url = server.json.url;\n  const existingSession = sessionMap[url];\n  \n  results.push({\n    json: {\n      url: url,\n      session_id: existingSession?.session_id || null,\n      has_session: !!existingSession\n    }\n  });\n}\n\nreturn results;"
      },
      "id": "match-servers-sessions",
      "name": "Match Servers with Sessions",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        -160,
        -160
      ]
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 1
          },
          "conditions": [
            {
              "id": "condition-1",
              "leftValue": "={{ $json.has_session }}",
              "rightValue": true,
              "operator": {
                "type": "boolean",
                "operation": "equals"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "has-existing-session-if",
      "name": "Has Existing Session?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        64,
        -160
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "={{ $json.url }}",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpBasicAuth",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "X-Transmission-Session-Id",
              "value": "={{ $json.session_id }}"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "{\"method\": \"session-get\"}",
        "options": {
          "response": {
            "response": {
              "fullResponse": true,
              "neverError": true
            }
          },
          "timeout": 5000
        }
      },
      "id": "validate-session-http",
      "name": "Validate Session",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        288,
        -240
      ],
      "credentials": {
        "httpBasicAuth": {
          "id": "iymUPilnVhfL3h5D",
          "name": "transmission"
        }
      },
      "onError": "continueErrorOutput"
    },
    {
      "parameters": {
        "method": "POST",
        "url": "={{ $json.url }}",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpBasicAuth",
        "options": {
          "response": {
            "response": {
              "fullResponse": true,
              "neverError": true
            }
          },
          "timeout": 10000
        }
      },
      "id": "get-new-session-http",
      "name": "Get New Session ID",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        512,
        -160
      ],
      "credentials": {
        "httpBasicAuth": {
          "id": "iymUPilnVhfL3h5D",
          "name": "transmission"
        }
      },
      "onError": "continueErrorOutput"
    },
    {
      "parameters": {
        "jsCode": "// Extract the X-Transmission-Session-Id from the 409 error response\n// Transmission returns a 409 error with the session ID in the HTML body\n\nconst items = $input.all();\nconst results = [];\n\n// Get all items from the Get New Session ID node to preserve the URL\nconst httpRequestItems = $('Get New Session ID').all();\n\nfor (let i = 0; i < items.length; i++) {\n  const item = items[i];\n  let sessionId = null;\n  \n  // Get the server URL from the corresponding HTTP request input\n  let serverUrl = httpRequestItems[i]?.json?.url;\n  \n  if (!serverUrl) {\n    // Fallback: try to get from Match Servers node\n    const matchedItems = $('Match Servers with Sessions').all();\n    if (matchedItems[i]?.json?.url) {\n      serverUrl = matchedItems[i].json.url;\n    } else {\n      throw new Error('Could not determine server URL from workflow context');\n    }\n  }\n  \n  // Try to get session ID from headers first (if available)\n  if (item.json?.headers?.['x-transmission-session-id']) {\n    sessionId = item.json.headers['x-transmission-session-id'];\n  }\n  // Check if it's in the response body directly\n  else if (item.json?.body && typeof item.json.body === 'string') {\n    const match = item.json.body.match(/X-Transmission-Session-Id:\\s*([A-Za-z0-9]+)/i);\n    if (match && match[1]) {\n      sessionId = match[1];\n    }\n  }\n  // Try to extract from error message HTML\n  else if (item.json?.error?.message) {\n    const errorMessage = item.json.error.message;\n    const match = errorMessage.match(/X-Transmission-Session-Id:\\s*([A-Za-z0-9]+)/i);\n    if (match && match[1]) {\n      sessionId = match[1];\n    }\n  }\n  // Check error object directly\n  else if (item.error?.message) {\n    const errorMessage = item.error.message;\n    const match = errorMessage.match(/X-Transmission-Session-Id:\\s*([A-Za-z0-9]+)/i);\n    if (match && match[1]) {\n      sessionId = match[1];\n    }\n  }\n  \n  if (sessionId) {\n    results.push({\n      json: {\n        session_id: sessionId,\n        server_url: serverUrl\n      }\n    });\n  } else {\n    // Debug: Show what data we received\n    const debugInfo = {\n      hasHeaders: !!item.json?.headers,\n      hasBody: !!item.json?.body,\n      hasError: !!item.json?.error,\n      hasErrorDirect: !!item.error,\n      bodyType: typeof item.json?.body,\n      statusCode: item.json?.statusCode,\n      keys: Object.keys(item.json || {})\n    };\n    throw new Error(`Could not extract session ID from response for server: ${serverUrl}. Debug: ${JSON.stringify(debugInfo)}`);\n  }\n}\n\nreturn results;"
      },
      "id": "extract-new-session-code",
      "name": "Extract Session ID",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        736,
        -160
      ]
    },
    {
      "parameters": {
        "jsCode": "// Check if each session already exists in the database\n// This preserves ALL items and adds a database_record field\n\nconst items = $input.all();\nconst allStoredSessions = $('Get All Stored Sessions').all();\n\n// Create a lookup map of server_url -> database record\nconst dbSessionMap = {};\nfor (const session of allStoredSessions) {\n  dbSessionMap[session.json.server_url] = session.json;\n}\n\nconst results = [];\nfor (const item of items) {\n  const serverUrl = item.json.server_url;\n  const dbRecord = dbSessionMap[serverUrl];\n  \n  results.push({\n    json: {\n      ...item.json,\n      db_record: dbRecord || null,\n      exists_in_db: !!dbRecord\n    }\n  });\n}\n\nreturn results;"
      },
      "id": "check-db-exists-code",
      "name": "Lookup Existing Records",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        960,
        -160
      ]
    },
    {
      "parameters": {
        "rule": {
          "interval": [
            {}
          ]
        }
      },
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        -832,
        -64
      ],
      "id": "d3f1c5f5-2c71-4295-b383-66223212d448",
      "name": "Schedule Trigger"
    },
    {
      "parameters": {
        "operation": "executeQuery",
        "query": "INSERT INTO transmission_sessions (server_url, session_id, last_updated) VALUES ($1, $2, NOW());",
        "additionalFields": {
          "queryParams": "={{ $json.session_id }}, {{ $json.server_url }}"
        }
      },
      "id": "supabase-create",
      "name": "Create New Session (Postgres)",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 1,
      "position": [
        1408,
        -64
      ],
      "credentials": {
        "postgres": {
          "id": "9grzZwW7Br6SzdV8",
          "name": "n8n-media"
        }
      }
    },
    {
      "parameters": {
        "operation": "executeQuery",
        "query": "UPDATE transmission_sessions SET session_id = $1, last_updated = NOW() WHERE server_url = $2;",
        "additionalFields": {
          "queryParams": "={{ $json.session_id }}, {{ $json.server_url }}"
        }
      },
      "id": "supabase-update",
      "name": "Update Existing Session (Postgres)",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 1,
      "position": [
        1408,
        -256
      ],
      "credentials": {
        "postgres": {
          "id": "9grzZwW7Br6SzdV8",
          "name": "n8n-media"
        }
      }
    },
    {
      "parameters": {
        "operation": "executeQuery",
        "query": "SELECT * FROM transmission_sessions;",
        "additionalFields": {}
      },
      "id": "get-all-sessions",
      "name": "Get All Stored Sessions",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 1,
      "position": [
        -384,
        -160
      ],
      "credentials": {
        "postgres": {
          "id": "9grzZwW7Br6SzdV8",
          "name": "n8n-media"
        }
      }
    }
  ],
  "connections": {
    "When clicking ‘Execute workflow’": {
      "main": [
        [
          {
            "node": "Configure Servers",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Match Servers with Sessions": {
      "main": [
        [
          {
            "node": "Has Existing Session?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Has Existing Session?": {
      "main": [
        [
          {
            "node": "Validate Session",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Get New Session ID",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get New Session ID": {
      "main": [
        [
          {
            "node": "Extract Session ID",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Extract Session ID",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Session ID": {
      "main": [
        [
          {
            "node": "Lookup Existing Records",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Lookup Existing Records": {
      "main": [
        [
          {
            "node": "Record Exists?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate Session": {
      "main": [
        [
          {
            "node": "Get New Session ID",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Configure Servers",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Configure Servers": {
      "main": [
        [
          {
            "node": "Get All Stored Sessions",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Record Exists?": {
      "main": [
        [
          {
            "node": "Update Existing Session (Postgres)",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Create New Session (Postgres)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get All Stored Sessions": {
      "main": [
        [
          {
            "node": "Match Servers with Sessions",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1",
    "callerPolicy": "workflowsFromSameOwner",
    "availableInMCP": false
  },
  "triggerCount": 0,
  "versionId": "05f3ebfa-af37-4ebb-a75d-755f54238d2e",
  "owner": {
    "type": "personal",
    "projectId": "FeLO36wNUAcn61Wj",
    "projectName": "Ben W <admin@ben.io>",
    "personalEmail": "admin@ben.io"
  },
  "parentFolderId": "kUg4HIPXraph3M0E",
  "isArchived": false
}