{ "nodes": [ { "parameters": { "updates": [ "message" ], "additionalFields": {} }, "id": "478bb0b5-6c0e-43a3-85a3-ba60bb4f6b8a", "name": "Telegram Command", "type": "n8n-nodes-base.telegramTrigger", "typeVersion": 1.2, "position": [ -2320, 11824 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "leftValue": "={{ $json.message.from.id }}", "rightValue": 123456789, "operator": { "type": "number", "operation": "equals" }, "id": "4e8fc8f8-e228-4719-98ad-f16db0a1c9e3" } ], "combinator": "and" }, "options": {} }, "id": "bed2ef3d-ff94-4013-a44c-b31eeff51513", "name": "Is Owner?", "type": "n8n-nodes-base.if", "typeVersion": 2.3, "position": [ -2112, 11824 ] }, { "parameters": { "jsCode": "const text = $input.item.json.message.text || \"\";\n// Regex matches /command target extra (ignores spaces)\nconst match = text.match(/^\\/([a-zA-Z0-9_]+)(?:\\s+(.*))?/);\n\nlet command = \"unknown\";\nlet target = \"\";\nlet extra = \"\";\n\nif (match) {\n command = match[1].toLowerCase();\n const args = (match[2] || \"\").trim();\n if (args) {\n const parts = args.split(/\\s+/);\n target = parts[0];\n \n // Normalize MAC address to uppercase to prevent DB duplicates\n if (/^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/i.test(target)) {\n target = target.toUpperCase();\n }\n \n extra = parts.slice(1).join(\" \");\n }\n}\n\nreturn [{ json: { command, target, extra, original_text: text } }];" }, "id": "d2931bbb-ca28-426d-8fc5-dbc8de5536ec", "name": "Parse Message", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ -1888, 11824 ] }, { "parameters": { "operation": "get", "dataTableId": { "__rl": true, "value": "", "mode": "list", "cachedResultName": "network_devices" }, "filters": { "conditions": [] }, "returnAll": true }, "id": "c7f029fe-7466-4af9-9fb4-ea1c72aafc05", "name": "Get Devices (Resolver)", "type": "n8n-nodes-base.dataTable", "typeVersion": 1.1, "position": [ -1360, 11200 ] }, { "parameters": { "jsCode": "const parseData = $node[\"Parse Message\"].json;\nconst target = parseData.target;\nconst command = parseData.command;\n\nif (!target) {\n return [{ json: { resolved: false, reason: `\u26a0\ufe0f Please specify a target for /${command}.\\n\\nExample: /${command} MyPC` } }];\n}\n\nconst devices = $input.all().map(i => i.json);\n\n// Regex patterns for raw MAC and IP detection\nconst isMac = /^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/i.test(target);\nconst isIp = /^(?:[0-9]{1,3}\\.){3}[0-9]{1,3}$/.test(target);\n\nlet mac = isMac ? target : null;\nlet ip = isIp ? target : null;\n\nif (isMac) {\n // Try to find the corresponding IP in the DB\n const found = devices.find(d => d.mac && d.mac.toLowerCase() === target.toLowerCase());\n if (found && found.ip) ip = found.ip;\n} else if (isIp) {\n // Try to find the corresponding MAC in the DB\n const found = devices.find(d => d.ip === target);\n if (found && found.mac) mac = found.mac;\n} else {\n // It's an alias, search the database\n const found = devices.find(d => d.name && d.name.toLowerCase() === target.toLowerCase());\n if (found) {\n mac = found.mac;\n ip = found.ip;\n } else {\n return [{ json: { resolved: false, reason: `\u274c Target '${target}' not found.\\nPlease provide a valid MAC, IP, or saved Alias.` } }];\n }\n}\n\n// Final Command Validations\nif (command === \"wake\" && !mac) {\n return [{ json: { resolved: false, reason: `\u274c Could not resolve a MAC address for '${target}'. Wake-on-LAN requires a MAC.\\n\\nTip: Check if the device is correctly saved via /list` } }];\n}\nif (command === \"ping\" && !ip) {\n return [{ json: { resolved: false, reason: `\u274c Could not resolve an IP address for '${target}'. Ping requires an IP.\\n\\nTip: Try running /scan while the device is awake so the bot can learn its IP!` } }];\n}\n\nreturn [{ json: { resolved: true, mac: mac, ip: ip, target: target, command: command } }];" }, "id": "dc95bfb1-c491-42ce-8eb5-ddd3a75e1e3a", "name": "Resolve Target", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ -1136, 11200 ] }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "leftValue": "={{ $json.resolved }}", "rightValue": true, "operator": { "type": "boolean", "operation": "true" }, "id": "d6da4a90-bc26-4a84-8a7f-e9f6a4318dd6" } ], "combinator": "and" }, "options": {} }, "id": "2684bbe9-233d-4d0a-9a0b-6467c9273172", "name": "Is Resolved?", "type": "n8n-nodes-base.if", "typeVersion": 2.3, "position": [ -912, 11200 ] }, { "parameters": { "chatId": "123456789", "text": "={{ $json.reason }}", "additionalFields": { "parse_mode": "HTML" } }, "id": "a7d66ee1-367a-4d50-a572-69bd65b143c3", "name": "Resolution Error Reply", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -688, 11328 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "topic": "home/wol/command", "sendInputData": false, "message": "={{ JSON.stringify({ \"cmd\": \"wake\", \"mac\": $json.mac }) }}", "options": {} }, "id": "c652aa86-3a6e-4884-b701-3b02c79d2845", "name": "MQTT Wake", "type": "n8n-nodes-base.mqtt", "typeVersion": 1, "position": [ -400, 10944 ], "credentials": { "mqtt": { "name": "" } } }, { "parameters": { "topic": "home/wol/command", "sendInputData": false, "message": "={{ JSON.stringify({ \"cmd\": \"ping\", \"ip\": $json.ip }) }}", "options": {} }, "id": "d1b4e7aa-763b-4f85-a5fc-98d3f492af1b", "name": "MQTT Ping", "type": "n8n-nodes-base.mqtt", "typeVersion": 1, "position": [ -400, 11104 ], "credentials": { "mqtt": { "name": "" } } }, { "parameters": { "chatId": "123456789", "text": "=\u2705 Magic Packet Sent\n\u2514 Target: {{ $json.mac }}", "additionalFields": { "parse_mode": "HTML" } }, "id": "5eb6e25a-35ef-4b52-8298-98bf51d05d22", "name": "Wake Success", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -176, 10944 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "chatId": "123456789", "text": "=\u2705 Ping Command Sent\n\u2514 Target: {{ $json.ip }}", "additionalFields": { "parse_mode": "HTML" } }, "id": "29e98f9c-dd20-4f56-bea9-6a783cb79d76", "name": "Ping Success", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -176, 11104 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "chatId": "123456789", "text": "\u26a0\ufe0f Invalid Format\n\nTo save an alias, use:\n/name [MAC_Address] [Alias]\n\nExample: /name AA:BB:CC:11:22 Desktop", "additionalFields": { "parse_mode": "HTML" } }, "id": "aecba982-701a-41b6-95ed-bd7014f85da0", "name": "Format Error Reply", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -1136, 11808 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "operation": "upsert", "dataTableId": { "__rl": true, "value": "", "mode": "list", "cachedResultName": "network_devices" }, "filters": { "conditions": [ { "keyName": "mac", "keyValue": "={{ $json.target }}" } ] }, "columns": { "mappingMode": "defineBelow", "value": { "mac": "={{ $node[\"Parse Message\"].json.target }}", "name": "={{ $node[\"Parse Message\"].json.extra }}", "is_known": true }, "matchingColumns": [ "mac" ], "schema": [ { "id": "mac", "displayName": "mac", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "name", "displayName": "name", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "owner", "displayName": "owner", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "is_known", "displayName": "is_known", "required": false, "defaultMatch": false, "display": true, "type": "boolean", "readOnly": false, "removed": false }, { "id": "last_seen", "displayName": "last_seen", "required": false, "defaultMatch": false, "display": true, "type": "dateTime", "readOnly": false, "removed": true }, { "id": "ip", "displayName": "ip", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true } ], "attemptToConvertTypes": false, "convertFieldsToString": false }, "options": {} }, "id": "e5cd3d3d-5b9e-40ad-b98f-6181d5f5ee45", "name": "Save Alias", "type": "n8n-nodes-base.dataTable", "typeVersion": 1.1, "position": [ -1136, 11648 ] }, { "parameters": { "chatId": "123456789", "text": "=\u2705 Alias Saved\n\u2514 {{ $json.name }} mapped to {{ $json.mac }}", "additionalFields": { "parse_mode": "HTML" } }, "id": "4a197ce9-da1a-4055-82f8-1eacf4987d98", "name": "Confirm Alias", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -912, 11648 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "chatId": "123456789", "text": "\u23f3 Starting Network Scan...\n\u2514 ESP32 is probing the subnet.", "additionalFields": { "parse_mode": "HTML" } }, "id": "de29d329-c8c4-4163-9028-1078785f9ccc", "name": "Scan Feedback", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -1360, 12000 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "topic": "home/wol/command", "sendInputData": false, "message": "{\"cmd\": \"scan\"}", "options": {} }, "id": "f4cf34f8-4822-4741-a035-07ee9f8a8298", "name": "MQTT Trigger Scan", "type": "n8n-nodes-base.mqtt", "typeVersion": 1, "position": [ -928, 12000 ], "credentials": { "mqtt": { "name": "" } } }, { "parameters": { "rules": { "values": [ { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "af473ca0-c25e-40e4-bf9c-c93aef77378b", "leftValue": "={{ $json.command }}", "rightValue": "owner", "operator": { "type": "string", "operation": "equals", "name": "filter.operator.equals" } } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "leftValue": "={{ $json.command }}", "rightValue": "wake", "operator": { "type": "string", "operation": "equals" }, "id": "6064c447-d06a-4c13-b3e5-de0b28b7bc05" } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "42aed3f3-81fc-4b1b-93f7-723f3a03a0ba", "leftValue": "={{ $json.command }}", "rightValue": "ping", "operator": { "type": "string", "operation": "equals" } } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "27ab125d-3e1b-4bce-ac0e-10dbf5b6bde2", "leftValue": "={{ $json.command }}", "rightValue": "list", "operator": { "type": "string", "operation": "equals" } } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "06bd6d49-ef9d-45bf-962b-27ca4ab58177", "leftValue": "={{ $json.command }}", "rightValue": "name", "operator": { "type": "string", "operation": "equals" } } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "1486f22a-e21e-44d1-8933-d45a820d5a7f", "leftValue": "={{ $json.command }}", "rightValue": "scan", "operator": { "type": "string", "operation": "equals" } } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "d6f013f5-3562-490e-9786-b2b3d446dcea", "leftValue": "={{ $json.command }}", "rightValue": "help", "operator": { "type": "string", "operation": "equals", "name": "filter.operator.equals" } } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "31675b2e-d418-4960-aba8-1a2ae338f1c6", "leftValue": "={{ $json.command }}", "rightValue": "presence", "operator": { "type": "string", "operation": "equals", "name": "filter.operator.equals" } } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "e7086c4c-0073-4df6-845e-b7cea79fe6f2", "leftValue": "={{ $json.command }}", "rightValue": "settings", "operator": { "type": "string", "operation": "equals", "name": "filter.operator.equals" } } ], "combinator": "and" } } ] }, "options": {} }, "type": "n8n-nodes-base.switch", "typeVersion": 3.4, "position": [ -1616, 11776 ], "id": "b5d20cb1-ef84-48db-bd27-75ffb301c893", "name": "Bot Command Switch" }, { "parameters": { "jsCode": "const parseData = $node[\"Parse Message\"].json;\n// Default to bylastseen if no parameter is provided\nconst listParam = (parseData.target || \"bylastseen\").toLowerCase();\n\nlet devices = $input.all().map(i => i.json);\n\n// 1. Sort the devices based on the parameter\nif (listParam === \"byowner\") {\n devices.sort((a, b) => {\n const ownerA = a.owner || \"ZZZ_Unowned\"; \n const ownerB = b.owner || \"ZZZ_Unowned\";\n return ownerA.localeCompare(ownerB);\n });\n} else {\n // Default: Sort by last_seen descending\n devices.sort((a, b) => {\n const dateA = new Date(a.last_seen || 0);\n const dateB = new Date(b.last_seen || 0);\n return dateB - dateA;\n });\n}\n\n// 2. Build the output chunks (safe for Telegram's character limits)\nconst chunks = [];\nlet currentChunk = `\ud83d\udccb Device List (Sorted ${listParam}):\\n\\n`;\nconst MAX_LENGTH = 3900; \n\nfor (const d of devices) {\n const name = d.name || 'Unnamed Device';\n const mac = d.mac || 'Unknown MAC';\n const vendor = d.vendor ? ` [${d.vendor}]` : '';\n const owner = d.owner ? ` \ud83d\udc64 ${d.owner}` : '';\n \n const line = `\u2022 ${name}${vendor}${owner} (${mac})\\n`;\n\n if (currentChunk.length + line.length > MAX_LENGTH) {\n chunks.push({ json: { text: currentChunk } });\n currentChunk = \"\ud83d\udccb Device List (Cont.):\\n\\n\" + line;\n } else {\n currentChunk += line;\n }\n}\n\n// 3. CORRECTED CHECK: Check 'devices.length' instead of 'chunks.length'\nif (devices.length === 0) {\n chunks.push({ json: { text: \"\ud83d\udccb No devices found in the database.\" } });\n} else {\n // Push whatever is left in the currentChunk bucket\n chunks.push({ json: { text: currentChunk } });\n}\n\nreturn chunks;" }, "id": "a77d593d-3293-4d7c-9477-4ac90e287bae", "name": "Format and Chunk List", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ -1120, 11424 ] }, { "parameters": { "chatId": "123456789", "text": "={{ $json.text }}", "additionalFields": { "parse_mode": "HTML" } }, "id": "0a04b658-4aa0-4dc5-a71f-6a45f9765b52", "name": "Send List1", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -896, 11424 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "chatId": "123456789", "text": "=\ud83e\udd16 Network Monitor Bot Guide\n\nHere are the commands you can use:\n\n\u26a1\ufe0f Core Commands\n\u2022 /wake [MAC/IP/Alias] - Wake up a device\n\u2022 /ping [MAC/IP/Alias] - Check if a device is online\n\u2022 /scan - Trigger a manual network scan\n\n\ud83d\udcca Dashboards & Tracking\n\u2022 /presence - View who is currently home\n\u2022 /list - List devices (add byowner or bylastseen to sort)\n\n\ud83d\udccb Device Management\n\u2022 /name [MAC] [Alias] - Save a short name for a MAC address\n\u2022 /owner [MAC/IP/Alias] [Name] - Assign a device to a person\n\n\u2699\ufe0f Configuration\n\u2022 /settings network_monitor [key] [value] - Update a system setting (e.g., notify_scan_complete false)\n\n\ud83d\udca1 Tip: You can use a saved Alias (like 'MyPC') instead of a MAC/IP for the wake, ping, and owner commands!", "additionalFields": { "parse_mode": "HTML" } }, "id": "759ca4b4-2499-421b-864c-d8b82cc710d6", "name": "Send Help", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -1360, 12224 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "rules": { "values": [ { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "leftValue": "={{ $json.command }}", "rightValue": "wake", "operator": { "type": "string", "operation": "equals" }, "id": "ba431029-50ad-464d-9c36-551eefd832e4" } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "aa61e43c-06d3-4e15-af8e-7dfe6825c199", "leftValue": "={{ $json.command }}", "rightValue": "ping", "operator": { "type": "string", "operation": "equals", "name": "filter.operator.equals" } } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "965b0d0e-8c24-4970-a3dc-134829a7d45f", "leftValue": "={{ $json.command }}", "rightValue": "owner", "operator": { "type": "string", "operation": "equals", "name": "filter.operator.equals" } } ], "combinator": "and" } } ] }, "options": {} }, "type": "n8n-nodes-base.switch", "typeVersion": 3.4, "position": [ -688, 11104 ], "id": "af1b7f4d-3101-45f6-8fed-f836a8167da1", "name": "Action Switch" }, { "parameters": { "topics": "home/wol/status", "options": {} }, "id": "fcea398c-6e82-4dee-ab21-90776c704dd2", "name": "On Ping Result", "type": "n8n-nodes-base.mqttTrigger", "typeVersion": 1, "position": [ -2320, 12928 ], "credentials": { "mqtt": { "name": "" } } }, { "parameters": { "jsCode": "const results = [];\n\nfor (const item of $input.all()) {\n // Extract the payload\n let payload = item.json.message !== undefined ? item.json.message : item.json;\n \n // If n8n received it as a string, parse it\n if (typeof payload === 'string') {\n try {\n payload = JSON.parse(payload);\n } catch(e) {\n continue;\n }\n }\n\n // Pass the cleaned payload forward\n if (payload) {\n results.push({ json: payload });\n }\n}\n\nreturn results;" }, "id": "dbcbeaf5-73ad-4c35-a00f-ebed9efcb478", "name": "Parse Ping Status", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ -2112, 12928 ] }, { "parameters": { "chatId": "123456789", "text": "=\ud83d\udcf6 Ping Result\n\u2514 IP: {{ $json.ip }}\n\u2514 Status: {{ $json.online ? '\ud83d\udfe2 Online' : '\ud83d\udd34 Offline' }}{{ $json.online ? `\\n\u2514 Latency: ${$json.latency}ms` : '' }}", "additionalFields": { "parse_mode": "HTML" } }, "id": "c40a810d-5123-4b50-893a-687d99317fe6", "name": "Send Ping Result", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -1888, 12928 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "d31941a6-7d3c-4699-8613-41637aae1e92", "leftValue": "={{ $json.target }}", "rightValue": "=^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$", "operator": { "type": "string", "operation": "regex" } } ], "combinator": "and" }, "options": {} }, "type": "n8n-nodes-base.if", "typeVersion": 2.3, "position": [ -1360, 11744 ], "id": "1677bc65-3a8e-4c62-8a4a-bec899e65c24", "name": "Validate /name Format" }, { "parameters": { "rule": { "interval": [ { "field": "minutes", "minutesInterval": 10 } ] } }, "type": "n8n-nodes-base.scheduleTrigger", "typeVersion": 1.3, "position": [ -1152, 12096 ], "id": "d12f6c1b-914b-467f-9f65-f66d8e1ff94c", "name": "Schedule Trigger" }, { "parameters": { "operation": "get", "dataTableId": { "__rl": true, "value": "", "mode": "list", "cachedResultName": "network_devices" }, "returnAll": true }, "id": "e3714a4d-115f-4563-84bd-5845e6a9c20a", "name": "Get Device List", "type": "n8n-nodes-base.dataTable", "typeVersion": 1.1, "position": [ -1360, 11424 ] }, { "parameters": { "operation": "get", "dataTableId": { "__rl": true, "value": "", "mode": "list", "cachedResultName": "network_devices" }, "returnAll": true, "orderBy": true, "orderByColumn": "last_seen" }, "id": "14f5c35b-c096-4626-9a5e-cea5f06b5c8c", "name": "Get Device List (presence)", "type": "n8n-nodes-base.dataTable", "typeVersion": 1.1, "position": [ -1360, 12448 ] }, { "parameters": { "jsCode": "const devices = $input.all().map(i => i.json);\n\n// Configuration: How many minutes until a device is considered \"Away\"?\nconst OFFLINE_MINUTES = 60;\nconst thresholdTime = new Date(Date.now() - (OFFLINE_MINUTES * 60 * 1000));\n\nconst owners = {};\nlet hasAnyOwner = false;\n\n// 1. Group devices by Owner and check presence\nfor (const d of devices) {\n if (!d.owner) continue; // Skip unowned devices for the presence dashboard\n \n hasAnyOwner = true;\n \n if (!owners[d.owner]) {\n owners[d.owner] = { isHome: false, devices: [] };\n }\n\n const lastSeen = new Date(d.last_seen || 0);\n const isOnline = lastSeen > thresholdTime;\n\n // If even one device is online, the owner is marked as Home\n if (isOnline) {\n owners[d.owner].isHome = true;\n }\n\n // Optional: Calculate friendly \"seen X mins ago\" string\n const diffMins = Math.floor((Date.now() - lastSeen.getTime()) / 60000);\n const seenText = diffMins < 1 ? \"Just now\" : `${diffMins}m ago`;\n\n owners[d.owner].devices.push({\n name: d.name || d.mac,\n isOnline: isOnline,\n seenText: seenText\n });\n}\n\n// 2. Error Logic: If no owners are set in the database\nif (!hasAnyOwner) {\n return [{ json: { \n text: \"\u26a0\ufe0f No Owners Configured\\n\\nYou haven't assigned any devices to an owner yet in your database.\\n\\nTo use the Presence dashboard, manually add names to the 'owner' column in your Data Table for your known devices!\" \n }}];\n}\n\n// 3. Format the Dashboard\nlet outputText = \"\ud83c\udfe0 Network Presence Report\\n\\n\";\n\n// Sort owners alphabetically\nconst sortedOwners = Object.keys(owners).sort();\n\nfor (const ownerName of sortedOwners) {\n const data = owners[ownerName];\n const statusIcon = data.isHome ? \"\ud83d\udfe2 HOME\" : \"\ud83d\udd34 AWAY\";\n \n outputText += `\ud83d\udc64 ${ownerName}: ${statusIcon}\\n`;\n \n // List their specific devices underneath\n for (const dev of data.devices) {\n const devIcon = dev.isOnline ? \"\ud83d\udcf1\" : \"\ud83d\udcf4\";\n outputText += ` \u2514 ${devIcon} ${dev.name} (Seen: ${dev.seenText})\\n`;\n }\n outputText += \"\\n\";\n}\n\nreturn [{ json: { text: outputText.trim() } }];" }, "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ -1152, 12448 ], "id": "bbcf3e74-3cf0-49d9-aa58-ced173edc01f", "name": "Find offline devices" }, { "parameters": { "chatId": "123456789", "text": "={{ $json.text }}", "additionalFields": { "parse_mode": "HTML" } }, "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -944, 12448 ], "id": "57ac9b14-f446-4560-921b-d76bc2e67a3b", "name": "Send a text message", "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "cccc9a8b-e925-4cb3-b29c-30cb48267b2d", "leftValue": "={{ $node[\"Parse Message\"].json.extra }}", "rightValue": "", "operator": { "type": "string", "operation": "notEmpty", "singleValue": true } } ], "combinator": "and" }, "options": {} }, "type": "n8n-nodes-base.if", "typeVersion": 2.3, "position": [ -400, 11280 ], "id": "01acaef5-726c-4cbf-b1ce-e035f7c4070c", "name": "Validate format" }, { "parameters": { "chatId": "123456789", "text": "=\u26a0\ufe0f Invalid Format\n\nPlease specify an owner name to assign to this device.\nFormat: /owner [MAC/IP/Alias] [OwnerName]\n\nExample: /owner MyPC Bernard", "additionalFields": { "parse_mode": "HTML" } }, "id": "fda302a4-dc6c-4843-b980-5bd229f96d91", "name": "Invalid Format Reply", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -176, 11456 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "topics": "home/wol/heartbeat", "options": {} }, "id": "1247923b-770a-450d-aa0c-b5efc4568d47", "name": "On Heartbeat", "type": "n8n-nodes-base.mqttTrigger", "typeVersion": 1, "position": [ -2320, 13152 ], "credentials": { "mqtt": { "name": "" } } }, { "parameters": { "topics": "home/wol/scan/result", "options": {} }, "id": "14a4b9b1-8d14-43fb-9218-8fc5ad1ca693", "name": "On Scan Result", "type": "n8n-nodes-base.mqttTrigger", "typeVersion": 1, "position": [ -2320, 13696 ], "credentials": { "mqtt": { "name": "" } } }, { "parameters": { "jsCode": "const results = [];\n\nfor (const item of $input.all()) {\n // Extract the payload (handles differences between raw MQTT and wrapped JSON)\n let payload = item.json.message !== undefined ? item.json.message : item.json;\n \n // If n8n received it as a string, parse it\n if (typeof payload === 'string') {\n try {\n payload = JSON.parse(payload);\n } catch(e) {\n continue; // Skip if it's not valid JSON\n }\n }\n\n // Skip utility events like {\"event\": \"scan_started\"}\n if (!payload || payload.event) {\n continue;\n }\n\n // Normalize MAC address to uppercase to prevent DB duplicates\n if (payload.mac) {\n payload.mac = String(payload.mac).toUpperCase().trim();\n }\n \n results.push({ json: payload });\n}\n\nreturn results;" }, "id": "16c948ed-69bc-404b-b8a6-a159b8c959e6", "name": "Filter Scan Data", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ -1824, 13856 ] }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "4ed791c2-ace7-4d6b-9724-007ae155ad5f", "leftValue": "={{ $json.vendor }}", "rightValue": "", "operator": { "type": "string", "operation": "empty", "singleValue": true } } ], "combinator": "and" }, "options": {} }, "type": "n8n-nodes-base.if", "typeVersion": 2.3, "position": [ -1392, 13856 ], "id": "5e472900-b820-4794-b0b9-1ba01bcca961", "name": "If" }, { "parameters": { "url": "=https://api.macvendors.com/v1/lookup/{{ encodeURIComponent($json.mac) }}", "authentication": "genericCredentialType", "genericAuthType": "httpBearerAuth", "options": {} }, "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.4, "position": [ -1120, 13840 ], "id": "3bb35561-9b70-47e0-83c7-b4971f0bdb62", "name": "HTTP Request", "alwaysOutputData": false, "retryOnFail": true, "waitBetweenTries": 2000, "maxTries": 5, "credentials": { "httpBearerAuth": { "name": "" } }, "onError": "continueErrorOutput" }, { "parameters": { "chatId": "123456789", "text": "=\ud83c\udd95 New Device Detected!\n\u2514 MAC: {{ $json.mac }}\n\u2514 IP: {{ $json.ip }}\n\u2514 Vendor: {{ $json.vendor || 'Unknown Vendor' }}", "additionalFields": { "parse_mode": "HTML" } }, "id": "bc2528dc-ed7d-4c4a-b050-d5110706571f", "name": "Notify Unknown", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -656, 13888 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "rules": { "values": [ { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "leftValue": "={{ JSON.parse($json.message).event }}", "rightValue": "scan_started", "operator": { "type": "string", "operation": "equals" }, "id": "029909b1-9047-4246-b02a-faf21363ce49" } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "57caf04b-eb22-492e-94d8-f1e0c9155b4a", "leftValue": "={{ JSON.parse($json.message).event }}", "rightValue": "scan_rejected", "operator": { "type": "string", "operation": "equals", "name": "filter.operator.equals" } } ], "combinator": "and" } }, { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "3c10cab9-b06a-4c05-8f2e-4a738cf8e538", "leftValue": "={{ JSON.parse($json.message).event }}", "rightValue": "scan_complete", "operator": { "type": "string", "operation": "equals", "name": "filter.operator.equals" } } ], "combinator": "and" } } ] }, "options": { "fallbackOutput": "extra" } }, "type": "n8n-nodes-base.switch", "typeVersion": 3.4, "position": [ -2112, 13664 ], "id": "de3495ab-1e75-43b6-82d2-e5d6998f2f3c", "name": "Switch" }, { "parameters": { "chatId": "123456789", "text": "=\u26a0\ufe0f The ESP32 is already performing a background scan. Please try again in a moment.", "additionalFields": { "parse_mode": "HTML" } }, "id": "98743b45-79d6-4457-a88f-0faa30448bb2", "name": "Notify Rejected", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -1824, 13504 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": {}, "type": "n8n-nodes-base.noOp", "typeVersion": 1, "position": [ -1824, 13344 ], "id": "290ea1d2-05ab-4394-b066-25fc6d4a40cb", "name": "No Operation, do nothing" }, { "parameters": { "chatId": "123456789", "text": "=\u26a0\ufe0f ESP32 Gateway just rebooted! Current WiFi Signal: {{ JSON.parse($json.message).rssi }}dBm", "additionalFields": {} }, "id": "939e2dfe-4177-47c8-a55e-e8985ec2b01c", "name": "Send downtime update", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -1872, 13152 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "2df2f71a-d7ba-4831-8626-8b56d7be291a", "leftValue": "={{ JSON.parse($json.message).uptime }}", "rightValue": 65, "operator": { "type": "number", "operation": "lt" } } ], "combinator": "and" }, "options": {} }, "type": "n8n-nodes-base.if", "typeVersion": 2.3, "position": [ -2112, 13152 ], "id": "63488352-093f-430a-895b-8498318a5959", "name": "If downed" }, { "parameters": { "operation": "upsert", "dataTableId": { "__rl": true, "value": "", "mode": "list", "cachedResultName": "network_devices" }, "filters": { "conditions": [ { "keyName": "mac", "keyValue": "={{ $json.mac }}" } ] }, "columns": { "mappingMode": "defineBelow", "value": { "is_known": false, "mac": "={{ $json.mac }}", "owner": "={{ $node[\"Parse Message\"].json.extra }}" }, "matchingColumns": [], "schema": [ { "id": "mac", "displayName": "mac", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "name", "displayName": "name", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "owner", "displayName": "owner", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "is_known", "displayName": "is_known", "required": false, "defaultMatch": false, "display": true, "type": "boolean", "readOnly": false, "removed": false }, { "id": "last_seen", "displayName": "last_seen", "required": false, "defaultMatch": false, "display": true, "type": "dateTime", "readOnly": false, "removed": false }, { "id": "ip", "displayName": "ip", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "vendor", "displayName": "vendor", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false } ], "attemptToConvertTypes": false, "convertFieldsToString": false }, "options": {} }, "type": "n8n-nodes-base.dataTable", "typeVersion": 1.1, "position": [ -176, 11264 ], "id": "2d785db4-27ea-4c8d-8a5f-1ed1d3503ddb", "name": "Upsert: owner update" }, { "parameters": { "chatId": "123456789", "text": "=\u2705 Owner Assigned\n\u2514 Device: {{ $json.mac }}\n\u2514 Owner: {{ $json.owner }}", "additionalFields": { "parse_mode": "HTML" } }, "id": "178eb213-739c-4158-ab06-46697a7cca07", "name": "Owner success", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ 48, 11264 ], "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "operation": "upsert", "dataTableId": { "__rl": true, "value": "", "mode": "list", "cachedResultName": "network_devices" }, "filters": { "conditions": [ { "keyName": "mac", "keyValue": "={{ $json.mac }}" } ] }, "columns": { "mappingMode": "defineBelow", "value": { "mac": "={{ $json.mac }}", "last_seen": "={{ $now }}", "ip": "={{ $json.ip }}", "sweep_found": "={{ $json.sweep }}" }, "matchingColumns": [ "mac" ], "schema": [ { "id": "mac", "displayName": "mac", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "name", "displayName": "name", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "owner", "displayName": "owner", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "is_known", "displayName": "is_known", "required": false, "defaultMatch": false, "display": true, "type": "boolean", "readOnly": false, "removed": true }, { "id": "last_seen", "displayName": "last_seen", "required": false, "defaultMatch": false, "display": true, "type": "dateTime", "readOnly": false, "removed": false }, { "id": "ip", "displayName": "ip", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "vendor", "displayName": "vendor", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "sweep_found", "displayName": "sweep_found", "required": false, "defaultMatch": false, "display": true, "type": "number", "readOnly": false, "removed": false } ], "attemptToConvertTypes": false, "convertFieldsToString": false }, "options": {} }, "id": "299bf5e5-a7fb-4909-873b-68e8172b940a", "name": "Sync Device", "type": "n8n-nodes-base.dataTable", "typeVersion": 1.1, "position": [ -1600, 13856 ] }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "4ed791c2-ace7-4d6b-9724-007ae155ad5f", "leftValue": "={{ $json.value }}", "rightValue": "false", "operator": { "type": "string", "operation": "equals" } } ], "combinator": "and" }, "options": {} }, "type": "n8n-nodes-base.if", "typeVersion": 2.3, "position": [ -1616, 13696 ], "id": "d078db67-9627-41df-8d80-12bc15e01428", "name": "If notify_scan_complete" }, { "parameters": { "operation": "get", "dataTableId": { "__rl": true, "value": "", "mode": "list", "cachedResultName": "global_settings" }, "matchType": "allConditions", "filters": { "conditions": [ { "keyName": "namespace", "keyValue": "network_monitor" }, { "keyName": "key", "keyValue": "notify_scan_complete" } ] } }, "type": "n8n-nodes-base.dataTable", "typeVersion": 1.1, "position": [ -1824, 13696 ], "id": "9f5816c6-eef5-4d2d-b69e-a6dded87e46e", "name": "Get notification settings" }, { "parameters": { "chatId": "123456789", "text": "=\u2705 Scan complete! Found {{ JSON.parse($('On Scan Result').item.json.message).total_found }} devices.", "additionalFields": { "parse_mode": "HTML" } }, "id": "b5ddd2a5-115a-4336-ae29-2f2730c49b61", "name": "Notify Completed", "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -1344, 13712 ], "alwaysOutputData": false, "credentials": { "telegramApi": { "name": "" } }, "onError": "continueRegularOutput" }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "f0f8364d-c0aa-46fa-89ec-3939a073e734", "leftValue": "={{ $json.target }}", "rightValue": "network_monitor", "operator": { "type": "string", "operation": "equals", "name": "filter.operator.equals" } } ], "combinator": "and" }, "options": {} }, "type": "n8n-nodes-base.if", "typeVersion": 2.3, "position": [ -1360, 12672 ], "id": "83ab5dc1-2deb-40e8-a5ae-3b4de8389877", "name": "If network_monitor" }, { "parameters": { "chatId": "123456789", "text": "=\u26a0\ufe0f Unknown settings namespace: {{ $json.target }}", "additionalFields": {} }, "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -1152, 12816 ], "id": "c1e45411-9106-4ab8-8db9-27286f2d42cf", "name": "Send unknown settings", "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "jsCode": "// Grab the leftover text from your main parser\nconst extraText = $input.item.json.extra || \"\";\n\n// Split the text by spaces\nconst parts = extraText.trim().split(/\\s+/);\n\n// The first word is the key, everything after is the value\nconst key = parts[0] ? parts[0].toLowerCase() : null;\nconst value = parts.length > 1 ? parts.slice(1).join(\" \") : null;\n\n// Pass everything forward, adding our new clean variables\nreturn [{ \n json: { \n ...$input.item.json, \n setting_key: key, \n setting_value: value \n } \n}];" }, "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ -1152, 12656 ], "id": "2b4753b7-bbb0-4bc4-92d5-0f09c0c351b3", "name": "Parse settings" }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 3 }, "conditions": [ { "id": "f0f8364d-c0aa-46fa-89ec-3939a073e734", "leftValue": "={{ $json.setting_key }}", "rightValue": "network_monitor", "operator": { "type": "string", "operation": "notEmpty", "singleValue": true } }, { "id": "2faa5d54-b8da-4176-ac01-c63a98ee7b45", "leftValue": "={{ $json.setting_value }}", "rightValue": "", "operator": { "type": "string", "operation": "notEmpty", "singleValue": true } } ], "combinator": "and" }, "options": {} }, "type": "n8n-nodes-base.if", "typeVersion": 2.3, "position": [ -944, 12656 ], "id": "a79e2cef-e902-42e4-89b7-49f0a9a647fd", "name": "If valid extra" }, { "parameters": { "chatId": "123456789", "text": "=\u26a0\ufe0f Invalid Settings Format\n\nPlease provide both a setting key and a value.\nFormat: /settings network_monitor [key] [value]\n\nExample: /settings network_monitor notify_scan_complete off", "additionalFields": { "parse_mode": "HTML" } }, "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -768, 12816 ], "id": "b2e86342-c533-41f4-9055-c334b9cb2e42", "name": "Send settings format", "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "operation": "upsert", "dataTableId": { "__rl": true, "value": "", "mode": "list", "cachedResultName": "global_settings" }, "matchType": "allConditions", "filters": { "conditions": [ { "keyName": "namespace", "keyValue": "={{ $json.target }}" }, { "keyName": "=key", "keyValue": "={{ $json.setting_key }}" } ] }, "columns": { "mappingMode": "defineBelow", "value": { "value": "={{ $json.setting_value }}", "namespace": "={{ $json.target }}", "key": "={{ $json.setting_key }}" }, "matchingColumns": [], "schema": [ { "id": "namespace", "displayName": "namespace", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "key", "displayName": "key", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "value", "displayName": "value", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false }, { "id": "type", "displayName": "type", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "description", "displayName": "description", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true } ], "attemptToConvertTypes": false, "convertFieldsToString": false }, "options": {} }, "type": "n8n-nodes-base.dataTable", "typeVersion": 1.1, "position": [ -688, 12640 ], "id": "82930dbd-88ff-4226-8574-15343c52f965", "name": "Update notify_scan_complete" }, { "parameters": { "chatId": "123456789", "text": "=\u2699\ufe0f Setting Updated\n\u2514 Namespace: {{ $json.namespace }}\n\u2514 Key: {{ $json.key }}\n\u2514 Value: {{ $json.value }}", "additionalFields": { "parse_mode": "HTML" } }, "type": "n8n-nodes-base.telegram", "typeVersion": 1.2, "position": [ -464, 12640 ], "id": "d7383bc0-f659-4f50-b29c-6b755bebe33f", "name": "Confirm settings update", "credentials": { "telegramApi": { "name": "" } } }, { "parameters": { "operation": "upsert", "dataTableId": { "__rl": true, "value": "", "mode": "list", "cachedResultName": "network_devices" }, "filters": { "conditions": [ { "keyName": "mac", "keyValue": "={{ $('Filter Scan Data').item.json.mac }}" } ] }, "columns": { "mappingMode": "defineBelow", "value": { "vendor": "={{ $json.data.organization_name || 'Unknown Vendor' }}" }, "matchingColumns": [], "schema": [ { "id": "mac", "displayName": "mac", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "name", "displayName": "name", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "owner", "displayName": "owner", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "is_known", "displayName": "is_known", "required": false, "defaultMatch": false, "display": true, "type": "boolean", "readOnly": false, "removed": true }, { "id": "last_seen", "displayName": "last_seen", "required": false, "defaultMatch": false, "display": true, "type": "dateTime", "readOnly": false, "removed": true }, { "id": "ip", "displayName": "ip", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "vendor", "displayName": "vendor", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": false } ], "attemptToConvertTypes": false, "convertFieldsToString": false }, "options": {} }, "type": "n8n-nodes-base.dataTable", "typeVersion": 1.1, "position": [ -880, 13808 ], "id": "0cd423ba-29c1-40b4-bd4a-7e68dddf64a7", "name": "Vendor Known" }, { "parameters": { "operation": "upsert", "dataTableId": { "__rl": true, "value": "", "mode": "list", "cachedResultName": "network_devices" }, "filters": { "conditions": [ { "keyName": "mac", "keyValue": "={{ $('Filter Scan Data').item.json.mac }}" } ] }, "columns": { "mappingMode": "defineBelow", "value": { "vendor": "Unknown Vendor" }, "matchingColumns": [], "schema": [ { "id": "mac", "displayName": "mac", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "name", "displayName": "name", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": "owner", "displayName": "owner", "required": false, "defaultMatch": false, "display": true, "type": "string", "readOnly": false, "removed": true }, { "id": 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