workflow_real.json

{
    "name": "Food Waste Assistant (Real - Google Sheets)",
    "nodes": [
        {
            "parameters": {
                "content": "## Real Database Setup (Google Sheets)\n\nThis workflow reads/writes to a Google Sheet.\n\n### Setup Steps\n1. Create a Google Sheet.\n2. Create header row: `id`, `name`, `quantity`, `expiryDate`, `category`.\n3. Double-click **Google Sheets** nodes to authenticate.\n4. Select your Sheet in the node settings.",
                "height": 240,
                "width": 350
            },
            "id": "note-real",
            "name": "Sticky Note",
            "type": "n8n-nodes-base.stickyNote",
            "typeVersion": 1,
            "position": [
                0,
                0
            ]
        },
        {
            "parameters": {
                "httpMethod": "POST",
                "path": "webhook",
                "options": {}
            },
            "id": "webhook-real",
            "name": "Webhook (POST)",
            "type": "n8n-nodes-base.webhook",
            "typeVersion": 1,
            "position": [
                400,
                200
            ]
        },
        {
            "parameters": {
                "httpMethod": "OPTIONS",
                "path": "webhook",
                "options": {}
            },
            "id": "webhook-opt-real",
            "name": "Webhook (OPTIONS)",
            "type": "n8n-nodes-base.webhook",
            "typeVersion": 1,
            "position": [
                400,
                500
            ]
        },
        {
            "parameters": {
                "dataType": "string",
                "value1": "={{ $json.body.action }}",
                "rules": {
                    "rules": [
                        {
                            "value2": "add_item",
                            "output": 0
                        },
                        {
                            "value2": "get_items",
                            "output": 1
                        }
                    ]
                }
            },
            "id": "switch-real",
            "name": "Switch Action",
            "type": "n8n-nodes-base.switch",
            "typeVersion": 2,
            "position": [
                600,
                200
            ]
        },
        {
            "parameters": {
                "operation": "append",
                "sheetId": {
                    "__rl": true,
                    "mode": "fromStr"
                },
                "range": "A:E",
                "options": {}
            },
            "id": "gs-add",
            "name": "Google Sheets (Add)",
            "type": "n8n-nodes-base.googleSheets",
            "typeVersion": 4,
            "position": [
                850,
                100
            ],
            "credentials": {
                "googleSheetsOAuth2Api": {
                    "id": "",
                    "name": "Google Sheets account"
                }
            }
        },
        {
            "parameters": {
                "operation": "read",
                "sheetId": {
                    "__rl": true,
                    "mode": "fromStr"
                },
                "range": "A:E",
                "options": {}
            },
            "id": "gs-read",
            "name": "Google Sheets (Read)",
            "type": "n8n-nodes-base.googleSheets",
            "typeVersion": 4,
            "position": [
                850,
                300
            ],
            "credentials": {
                "googleSheetsOAuth2Api": {
                    "id": "",
                    "name": "Google Sheets account"
                }
            }
        },
        {
            "parameters": {
                "jsCode": "const items = $input.all().map(i => i.json);\nreturn [{ json: { items: items } }];"
            },
            "id": "format-read",
            "name": "Format Read",
            "type": "n8n-nodes-base.code",
            "typeVersion": 2,
            "position": [
                1100,
                300
            ]
        },
        {
            "parameters": {
                "jsCode": "return [{ json: { success: true, message: \"Item saved to Sheets\" } }];"
            },
            "id": "format-add",
            "name": "Format Add",
            "type": "n8n-nodes-base.code",
            "typeVersion": 2,
            "position": [
                1100,
                100
            ]
        },
        {
            "parameters": {
                "options": {
                    "responseHeaders": {
                        "entries": [
                            {
                                "name": "Access-Control-Allow-Origin",
                                "value": "*"
                            },
                            {
                                "name": "Access-Control-Allow-Methods",
                                "value": "POST, OPTIONS"
                            },
                            {
                                "name": "Access-Control-Allow-Headers",
                                "value": "*"
                            }
                        ]
                    }
                }
            },
            "id": "resp-real",
            "name": "Respond to Webhook",
            "type": "n8n-nodes-base.respondToWebhook",
            "typeVersion": 1,
            "position": [
                1350,
                200
            ]
        },
        {
            "parameters": {
                "options": {
                    "responseHeaders": {
                        "entries": [
                            {
                                "name": "Access-Control-Allow-Origin",
                                "value": "*"
                            },
                            {
                                "name": "Access-Control-Allow-Methods",
                                "value": "POST, OPTIONS"
                            },
                            {
                                "name": "Access-Control-Allow-Headers",
                                "value": "*"
                            }
                        ]
                    }
                }
            },
            "id": "resp-opt-real",
            "name": "Respond OPTIONS",
            "type": "n8n-nodes-base.respondToWebhook",
            "typeVersion": 1,
            "position": [
                600,
                500
            ]
        }
    ],
    "connections": {
        "Webhook (POST)": {
            "main": [
                [
                    {
                        "node": "Switch Action",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Webhook (OPTIONS)": {
            "main": [
                [
                    {
                        "node": "Respond OPTIONS",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Switch Action": {
            "main": [
                [
                    {
                        "node": "Google Sheets (Add)",
                        "type": "main",
                        "index": 0
                    }
                ],
                [
                    {
                        "node": "Google Sheets (Read)",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Google Sheets (Add)": {
            "main": [
                [
                    {
                        "node": "Format Add",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Google Sheets (Read)": {
            "main": [
                [
                    {
                        "node": "Format Read",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Format Add": {
            "main": [
                [
                    {
                        "node": "Respond to Webhook",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Format Read": {
            "main": [
                [
                    {
                        "node": "Respond to Webhook",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}