{ "id": "aDRgA0zAqjUD2yvU", "meta": { "templateCredsSetupCompleted": true }, "name": "Smart Restaurant Order & Suggestion System with Gemini AI and Telegram", "tags": [], "nodes": [ { "id": "4492f7c4-0f63-4cc9-9772-b1d8194dd2fb", "name": "New Order Trigger (Form)", "type": "n8n-nodes-base.formTrigger", "position": [ -880, 360 ], "parameters": { "options": {}, "formTitle": "Oneclick Restaurant Order - Table number 1", "formFields": { "values": [ { "fieldLabel": "Please enter your name", "placeholder": "John doe", "requiredField": true }, { "fieldType": "number", "fieldLabel": "Please enter your phone number", "placeholder": "123456789" }, { "fieldType": "number", "fieldLabel": "Tandoori Chicken - 250 Rupees" }, { "fieldType": "number", "fieldLabel": "Biryani - 200 Rupees" }, { "fieldType": "number", "fieldLabel": "Masala Dosa - 150 Rupees" }, { "fieldType": "number", "fieldLabel": "Idli vada - 100 Rupees" }, { "fieldType": "number", "fieldLabel": "Dal Tadka - 150 Rupees" }, { "fieldType": "number", "fieldLabel": "Steam Rice - 100 Rupees" }, { "fieldLabel": "Paratha - 30 Rupees" }, { "fieldType": "number", "fieldLabel": "Paneer butter masal - 250 Rupees" }, { "fieldType": "number", "fieldLabel": "Fix Thali - 150 Rupees" } ] }, "formDescription": "Please add your dish quantity and submit to place your order" }, "typeVersion": 2.2 }, { "id": "1e2209ba-20d6-4d2a-9f03-6a62b3c98f4e", "name": "Extract & Format Order Data", "type": "n8n-nodes-base.code", "position": [ -660, 360 ], "parameters": { "jsCode": "const input = $input.all();\nconst formData = input[0].json;\n\nconst name = formData[\"Please enter your name\"];\nconst mobile = String(formData[\"Please enter your phone number\"]);\n\nfunction generateCustomerId() {\n const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';\n let id = '';\n for (let i = 0; i < 6; i++) {\n id += chars.charAt(Math.floor(Math.random() * chars.length));\n }\n return `CUST-${id}`;\n}\n\nconst customerId = generateCustomerId();\n\nconst dishes = Object.entries(formData)\n .map(([key, value]) => {\n const match = key.match(/^(.*)\\s*-\\s*(\\d+)\\s*Rupees$/);\n if (!match) return null;\n const rawQty = Number(value);\n if (isNaN(rawQty) || rawQty < 1) return null; // only >1\n const unitPrice = Number(match[2]);\n return {\n dishName: match[1].trim(),\n quantity: rawQty,\n unitPrice,\n totalPrice: rawQty * unitPrice\n };\n })\n .filter(item => item !== null);\n\nreturn [\n {\n json: {\n customerId,\n name,\n mobile,\n dishes,\n },\n },\n];\n" }, "typeVersion": 2 }, { "id": "fc25b5bf-717a-40b9-9cf3-69bd12c3fc52", "name": "Save Customer Info", "type": "n8n-nodes-base.googleSheets", "position": [ -440, 360 ], "parameters": { "columns": { "value": { "Customer id": "={{ $json.customerId }}", "Customer name": "={{ $json.name }}", "costomer mobile number": "={{ $json.mobile }}" }, "schema": [ { "id": "Customer id", "type": "string", "display": true, "required": false, "displayName": "Customer id", "defaultMatch": false, "canBeUsedToMatch": true }, { "id": "Customer name", "type": "string", "display": true, "required": false, "displayName": "Customer name", "defaultMatch": false, "canBeUsedToMatch": true }, { "id": "costomer mobile number", "type": "string", "display": true, "required": false, "displayName": "costomer mobile number", "defaultMatch": false, "canBeUsedToMatch": true } ], "mappingMode": "defineBelow", "matchingColumns": [], "attemptToConvertTypes": false, "convertFieldsToString": false }, "options": {}, "operation": "append", "sheetName": { "__rl": true, "mode": "list", "value": "gid=0", "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1QztyOVgP8vIAQGLeBNErIHqJ77fq4vDRVD1DvHJdGaI/edit#gid=0", "cachedResultName": "customer details" }, "documentId": { "__rl": true, "mode": "list", "value": "1QztyOVgP8vIAQGLeBNErIHqJ77fq4vDRVD1DvHJdGaI", "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1QztyOVgP8vIAQGLeBNErIHqJ77fq4vDRVD1DvHJdGaI/edit?usp=drivesdk", "cachedResultName": "restaurant order placement " }, "authentication": "serviceAccount" }, "credentials": { "googleApi": { "name": "" } }, "typeVersion": 4.6 }, { "id": "844defa5-d868-4397-a52e-9a165932aba0", "name": "Save Dish Info", "type": "n8n-nodes-base.code", "position": [ -220, 360 ], "parameters": { "jsCode": "// Input comes from the previous node\nconst data = $('Extract & Format Order Data').first().json.dishes;\n\nreturn data;\n" }, "typeVersion": 2 }, { "id": "c5d5435a-2d99-48f0-b5c2-48531fb12670", "name": "Prepare Dish Details for AI", "type": "n8n-nodes-base.googleSheets", "position": [ 0, 360 ], "parameters": { "columns": { "value": { "dish name": "={{ $json.dishName }}", "Customer id": "={{ $('Extract & Format Order Data').item.json.customerId }}", "actual price": "={{ $json.totalPrice }}", "dish quantity": "={{ $json.quantity }}", "per unit price": "={{ $json.unitPrice }}" }, "schema": [ { "id": "Customer id", "type": "string", "display": true, "required": false, "displayName": "Customer id", "defaultMatch": false, "canBeUsedToMatch": true }, { "id": "dish name", "type": "string", "display": true, "required": false, "displayName": "dish name", "defaultMatch": false, "canBeUsedToMatch": true }, { "id": "dish quantity", "type": "string", "display": true, "required": false, "displayName": "dish quantity", "defaultMatch": false, "canBeUsedToMatch": true }, { "id": "per unit price", "type": "string", "display": true, "required": false, "displayName": "per unit price", "defaultMatch": false, "canBeUsedToMatch": true }, { "id": "actual price", "type": "string", "display": true, "required": false, "displayName": "actual price", "defaultMatch": false, "canBeUsedToMatch": true } ], "mappingMode": "defineBelow", "matchingColumns": [], "attemptToConvertTypes": false, "convertFieldsToString": false }, "options": {}, "operation": "append", "sheetName": { "__rl": true, "mode": "list", "value": 1326050181, "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1QztyOVgP8vIAQGLeBNErIHqJ77fq4vDRVD1DvHJdGaI/edit#gid=1326050181", "cachedResultName": "customer order details" }, "documentId": { "__rl": true, "mode": "list", "value": "1QztyOVgP8vIAQGLeBNErIHqJ77fq4vDRVD1DvHJdGaI", "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1QztyOVgP8vIAQGLeBNErIHqJ77fq4vDRVD1DvHJdGaI/edit?usp=drivesdk", "cachedResultName": "restaurant order placement " }, "authentication": "serviceAccount" }, "credentials": { "googleApi": { "name": "" } }, "typeVersion": 4.6 }, { "id": "560536c7-a876-4418-9ad7-f4d3461d85f3", "name": "Clean Data for AI Input", "type": "n8n-nodes-base.code", "position": [ 220, 360 ], "parameters": { "jsCode": "// Fetch all incoming items\nconst items = $input.all();\n\n// Extract the raw row data (each item.json is one row)\nconst rawRows = items.map(item => item.json);\n\n// Bundle everything into a single field\nconst payload = { rows: rawRows };\n\n// Return a single output item whose json contains your full dataset\nreturn [{ json: { data: payload } }];" }, "typeVersion": 2 }, { "id": "c0a4ab92-9ae3-45ca-806c-f4e1e5e396cc", "name": "Gemini AI Dish Suggestion Agent", "type": "@n8n/n8n-nodes-langchain.agent", "position": [ 440, 360 ], "parameters": { "text": "={{ $json.data }}", "options": { "systemMessage": "You are a friendly AI assistant for a restaurant, designed to suggest dishes that customers might enjoy based on their recent order. \n\nWe will provide you with structured JSON input representing a customer\u2019s previous order, for example:\n\nYou are a friendly AI assistant for a restaurant, designed to suggest dishes that customers might enjoy based on their recent order. \n\nWe will provide you with structured JSON input representing a customer\u2019s previous order, for example:\n\n{\n \"customerId\": \"CUST-1D0RWH\",\n \"name\": \"ajay\",\n \"mobile\": \"9898989898\",\n \"dishes\": [\n { \"dishName\": \"Tandoori Chicken\", \"quantity\": 1, \"unitPrice\": 250, \"totalPrice\": 250 },\n { \"dishName\": \"Masala Dosa\", \"quantity\": 1, \"unitPrice\": 150, \"totalPrice\": 150 },\n { \"dishName\": \"Idli vada\", \"quantity\": 1, \"unitPrice\": 100, \"totalPrice\": 100 },\n { \"dishName\": \"Dal Tadka\", \"quantity\": 1, \"unitPrice\": 150, \"totalPrice\": 150 },\n { \"dishName\": \"Paratha\", \"quantity\": 2, \"unitPrice\": 30, \"totalPrice\": 60 },\n { \"dishName\": \"Paneer butter masal\",\"quantity\":1, \"unitPrice\": 250,\"totalPrice\":250 }\n ]\n}\n\nYour job:\n1. Analyze the dishes\u2014look at cuisine types, flavors, categories, and quantities.\n2. Recommend **3\u20135 other dishes** likely to appeal to this customer, explaining *why* (e.g., complementary flavors, similar cuisines, balancing variety).\n3. Output JSON with:\n - `suggestions`: an array of objects each with `dishName` and `reason`\n\n**Important formatting rules:**\n- Output must be strictly valid JSON (no extra text).\n- Follow this structure exactly:\n\n\nYour job:\n1. Analyze the dishes\u2014look at cuisine types, flavors, categories, and quantities.\n2. Recommend **3\u20135 other dishes** likely to appeal to this customer, explaining *why* (e.g., complementary flavors, similar cuisines, balancing variety).\n3. Output JSON with:\n - `suggestions`: an array of objects each with `dishName` and `reason`\n\n**Important formatting rules:**\n- Output must be strictly valid JSON (no extra text).\n- Follow this structure exactly:" }, "promptType": "define" }, "typeVersion": 1.9 }, { "id": "d80e5505-1f6d-4904-b497-b62530f284e2", "name": "Format AI Suggestions for Telegram", "type": "n8n-nodes-base.code", "position": [ 816, 360 ], "parameters": { "jsCode": "// Step 1: Fetch the raw output from the AI Agent node\nconst aiResponse = $node[\"Gemini AI Dish Suggestion Agent\"].json.output; // Update \"AI Agent\" to your node name\n\n// Step 2: Strip Markdown fences if present\nconst markdownPattern = /^```json\\s*([\\s\\S]*)\\s*```$/;\nconst cleaned = aiResponse.replace(markdownPattern, \"$1\");\n\n// Step 3: Parse JSON safely\nlet parsed;\ntry {\n parsed = JSON.parse(cleaned);\n} catch (err) {\n throw new Error(`Failed to parse AI response JSON: ${err.message}`);\n}\n\n// Step 4: Return each suggestion as its own item (n8n format)\nreturn parsed.suggestions.map(s => ({\n json: {\n customerId: parsed.customerId,\n ...s\n }\n}));\n" }, "typeVersion": 2 }, { "id": "c902fee2-f89a-42c8-92ea-4bced23561b7", "name": "Send Suggestions via Telegram", "type": "n8n-nodes-base.telegram", "position": [ 1036, 360 ], "parameters": { "text": "={{ $json.dishName }}\n\n{{ $json.reason }}", "chatId": "newchatid", "additionalFields": {} }, "credentials": { "telegramApi": { "name": "" } }, "typeVersion": 1.2 }, { "id": "068d712a-eddc-4021-8c3f-b601e767af92", "name": "Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini", "position": [ 468, 580 ], "parameters": { "options": {}, "modelName": "models/gemini-2.5-pro" }, "credentials": { "googlePalmApi": { "name": "" } }, "typeVersion": 1 }, { "id": "29206de4-5ee1-44e0-9e48-6440f390a981", "name": "Think Tool", "type": "@n8n/n8n-nodes-langchain.toolThink", "position": [ 588, 580 ], "parameters": {}, "typeVersion": 1 }, { "id": "9f542a6c-37d5-4acb-a27d-64c1043e7b2e", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [ -910, 0 ], "parameters": { "color": 5, "width": 160, "height": 520, "content": "Triggered when a customer submits their dish order form." }, "typeVersion": 1 }, { "id": "4d847217-066e-4323-afbd-03fe71074cc3", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [ -470, 0 ], "parameters": { "color": 4, "width": 160, "height": 520, "content": "Adds customer details to the Google Sheet.\n" }, "typeVersion": 1 }, { "id": "63dd550d-71bd-4599-858d-6c1336bd4aed", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [ -30, 0 ], "parameters": { "color": 5, "width": 160, "height": 520, "content": "Gathers final dish data to send to the AI agent.\n" }, "typeVersion": 1 }, { "id": "a954f2da-409f-4a5e-b31e-70ffd34ff718", "name": "Sticky Note3", "type": "n8n-nodes-base.stickyNote", "position": [ 190, 0 ], "parameters": { "width": 160, "height": 520, "content": "Reformats the data to improve AI understanding." }, "typeVersion": 1 }, { "id": "f85f9bc1-c82a-475d-bfd5-5e1cc68b67c3", "name": "Sticky Note4", "type": "n8n-nodes-base.stickyNote", "position": [ 786, 0 ], "parameters": { "color": 4, "width": 160, "height": 520, "content": "Converts Gemini output into Telegram-friendly message format." }, "typeVersion": 1 }, { "id": "7ba85c44-5f48-482b-b385-81f819290c54", "name": "Sticky Note5", "type": "n8n-nodes-base.stickyNote", "position": [ 1006, 0 ], "parameters": { "color": 3, "width": 160, "height": 520, "content": "Sends dish suggestions directly to the customer." }, "typeVersion": 1 }, { "id": "7e499f3f-1037-4d71-a40a-45669b4ac16c", "name": "Sticky Note6", "type": "n8n-nodes-base.stickyNote", "position": [ -250, 0 ], "parameters": { "color": 3, "width": 160, "height": 520, "content": "Stores ordered dish quantities and types to a separate sheet." }, "typeVersion": 1 }, { "id": "587a6136-fc12-4c0a-8fb1-a3b06026cb11", "name": "Sticky Note7", "type": "n8n-nodes-base.stickyNote", "position": [ 440, 0 ], "parameters": { "color": 6, "width": 260, "height": 520, "content": "Uses Gemini AI to recommend related dishes or offers." }, "typeVersion": 1 }, { "id": "5f0d16a4-be36-4a56-8b4e-05093cfeaa68", "name": "Sticky Note8", "type": "n8n-nodes-base.stickyNote", "position": [ -690, 0 ], "parameters": { "width": 160, "height": 520, "content": "Formats incoming form fields for further processing." }, "typeVersion": 1 }, { "id": "286198a1-70dc-4d08-babf-dc24b127bf72", "name": "Sticky Note9", "type": "n8n-nodes-base.stickyNote", "position": [ -360, -540 ], "parameters": { "color": 2, "width": 800, "height": 320, "content": "### This workflow helps automate restaurant order processing and customer engagement by:\n\n- Saving Time: Automatically records customer and dish data without manual entry.\n\n- Personalizing Experience: AI suggests relevant dishes or combos to upsell or enhance the order.\n\n- Centralized Tracking: All order data is logged into Google Sheets for real-time access and analytics.\n\n- Instant Outreach: Sends dish suggestions directly to customers via Telegram within seconds.\n\n- Scalability: Easily handles multiple orders with AI-driven intelligence\u2014ideal for growing restaurants.\n\n" }, "typeVersion": 1 } ], "active": false, "settings": { "executionOrder": "v1" }, "versionId": "3910b529-9989-490f-ba6d-ed97e80f157a", "connections": { "Chat Model": { "ai_languageModel": [ [ { "node": "Gemini AI Dish Suggestion Agent", "type": "ai_languageModel", "index": 0 } ] ] }, "Think Tool": { "ai_tool": [ [ { "node": "Gemini AI Dish Suggestion Agent", "type": "ai_tool", "index": 0 } ] ] }, "Save Dish Info": { "main": [ [ { "node": "Prepare Dish Details for AI", "type": "main", "index": 0 } ] ] }, "Save Customer Info": { "main": [ [ { "node": "Save Dish Info", "type": "main", "index": 0 } ] ] }, "Clean Data for AI Input": { "main": [ [ { "node": "Gemini AI Dish Suggestion Agent", "type": "main", "index": 0 } ] ] }, "New Order Trigger (Form)": { "main": [ [ { "node": "Extract & Format Order Data", "type": "main", "index": 0 } ] ] }, "Extract & Format Order Data": { "main": [ [ { "node": "Save Customer Info", "type": "main", "index": 0 } ] ] }, "Prepare Dish Details for AI": { "main": [ [ { "node": "Clean Data for AI Input", "type": "main", "index": 0 } ] ] }, "Gemini AI Dish Suggestion Agent": { "main": [ [ { "node": "Format AI Suggestions for Telegram", "type": "main", "index": 0 } ] ] }, "Format AI Suggestions for Telegram": { "main": [ [ { "node": "Send Suggestions via Telegram", "type": "main", "index": 0 } ] ] } } }