Node-RED workflow to mutate JSON payload to Pushcut widget data format.

pushcut-mutate-for-widget.json

[
    {
        "id": "2fb1e3e3.67ea9c",
        "type": "tab",
        "label": "/pushcut widget mutate",
        "disabled": false,
        "info": ""
    },
    {
        "id": "14f45599.1f7022",
        "type": "http in",
        "z": "2fb1e3e3.67ea9c",
        "name": "POST /pushcut",
        "url": "/pushcut/:api_key/widgets/:widget_name",
        "method": "post",
        "upload": false,
        "swaggerDoc": "",
        "x": 120,
        "y": 80,
        "wires": [
            [
                "c074ddc6.9e5f1",
                "1d22392e.a1be57",
                "a421b460.7b6ce"
            ]
        ],
        "info": "POST /pushcut\n\nThis is the endpoint to receive data. Data can either be plain text or JSON.\n\n* URL format\n\nThe URL should be the same as the pushcut widget URL. Replace `api.pushcut.io/` with `domain-name.tld/pushcut`\n\nExample\nOriginal - \nhttps://api.pushcut.io/Xrsjgal82nl384/widgets/WidgetOne?content=ContentOne\n\nUpdated - \nhttps://homelab.com/pushcut/Xrsjgal82nl384/widgets/WidgetOne?content=ContentOne\n\n- Xrsjgal82nl384 = api_key\n- WidgetOne = widget_name\n- ContentOne = content\n"
    },
    {
        "id": "4ad1cfa1.98bb88",
        "type": "http response",
        "z": "2fb1e3e3.67ea9c",
        "name": "send receipt",
        "statusCode": "200",
        "headers": {},
        "x": 570,
        "y": 80,
        "wires": []
    },
    {
        "id": "a421b460.7b6ce",
        "type": "debug",
        "z": "2fb1e3e3.67ea9c",
        "name": "",
        "active": false,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "false",
        "statusVal": "",
        "statusType": "auto",
        "x": 370,
        "y": 260,
        "wires": []
    },
    {
        "id": "c074ddc6.9e5f1",
        "type": "function",
        "z": "2fb1e3e3.67ea9c",
        "name": "mutate",
        "func": "// function to move child keys to top level\nJSON.flatten = function(data) {\n    var result = {};\n    function recurse (cur, prop) {\n        var sep = \".\"\n        var spc = \" \"\n        \n        prop = prop.replace(' ',spc)\n        \n        if (Object(cur) !== cur) {\n            result[prop] = `${cur}`;\n        } else if (Array.isArray(cur)) {\n             for(var i=0, l=cur.length; i<l; i++)\n                 recurse(cur[i], prop ? prop+sep+i : \"\"+i);\n            if (l == 0)\n                result[prop] = [];\n        } else {\n            var isEmpty = true;\n            for (var p in cur) {\n                isEmpty = false;\n                recurse(cur[p], prop ? prop+sep+p : p);\n            }\n            if (isEmpty)\n                result[prop] = {};\n        }\n    }\n    recurse(data, \"\");\n    return result;\n}\n// ---------------------------------\n\nvar flatten = msg.req.query.flatten\nvar payload = msg.payload\n\n// attempt to parse payload if not JSON\n// if not parsable, return { raw: ... }\nif (typeof payload != 'object') {\n    try {\n        payload = JSON.parse(payload)\n    } catch (e) {\n        payload = {raw: payload}\n    }\n}\n\n// move all childen to top level\nif (flatten==\"1\") {\n    payload = JSON.flatten(payload)\n}\n\n// params for the url\nmsg.params = {\n    api_key: msg.req.params.api_key,\n    widget_name: msg.req.params.widget_name,\n    content: msg.req.query.content\n}\nmsg.headers = {\n \"Content-Type\": \"application/json\"\n}\n\n// pushcut style payload\nmsg.payload = {\n    content: msg.req.query.content,\n    inputs: payload\n}\n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 360,
        "y": 180,
        "wires": [
            [
                "1e09dd37.03d883"
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    },
    {
        "id": "1d22392e.a1be57",
        "type": "function",
        "z": "2fb1e3e3.67ea9c",
        "name": "response",
        "func": "msg.payload = {\n    message: \"Received\"\n    \n}\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "x": 360,
        "y": 80,
        "wires": [
            [
                "4ad1cfa1.98bb88"
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        ]
    },
    {
        "id": "e57ed419.fb0db",
        "type": "debug",
        "z": "2fb1e3e3.67ea9c",
        "name": "",
        "active": false,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "true",
        "targetType": "full",
        "statusVal": "",
        "statusType": "auto",
        "x": 1070,
        "y": 180,
        "wires": []
    },
    {
        "id": "1e09dd37.03d883",
        "type": "change",
        "z": "2fb1e3e3.67ea9c",
        "name": "update url slugs",
        "rules": [
            {
                "t": "set",
                "p": "api_key",
                "pt": "msg",
                "to": "msg.params.api_key",
                "tot": "jsonata"
            },
            {
                "t": "set",
                "p": "widget_name",
                "pt": "msg",
                "to": "msg.params.widget_name",
                "tot": "jsonata"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 580,
        "y": 180,
        "wires": [
            [
                "dd1cbe86.2b16b8",
                "165b1398.745f0c"
            ]
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    },
    {
        "id": "dd1cbe86.2b16b8",
        "type": "debug",
        "z": "2fb1e3e3.67ea9c",
        "name": "",
        "active": false,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "payload",
        "targetType": "msg",
        "statusVal": "",
        "statusType": "auto",
        "x": 810,
        "y": 260,
        "wires": []
    },
    {
        "id": "165b1398.745f0c",
        "type": "http request",
        "z": "2fb1e3e3.67ea9c",
        "name": "POST api.pushcut.io",
        "method": "POST",
        "ret": "txt",
        "paytoqs": "ignore",
        "url": "https://api.pushcut.io/{{api_key}}/widgets/{{widget_name}}",
        "tls": "",
        "persist": false,
        "proxy": "",
        "authType": "",
        "x": 840,
        "y": 180,
        "wires": [
            [
                "e57ed419.fb0db"
            ]
        ]
    }
]