Fahrenheit to Celsius Conversion Workflow

fahrenheit-to-celsius.sw.json

{
    "id": "fahrenheit_to_celsius",
    "name": "Fahrenheit to Celsius Conversion Flow",
    "version": "v1.0",
    "functions": [
        {
            "name": "multiplication",
            "resource": "/",
            "type": "rest",
            "metadata": {
                "method": "POST"
            }
        },
        {
            "name": "subtraction",
            "resource": "/",
            "type": "rest",
            "metadata": {
                "method": "POST"
            }
        }
    ],
    "states": [
        {
            "start": {
                "kind": "default"
            },
            "name": "SetConstants",
            "type": "inject",
            "data": {
                "subtractValue": "32.0",
                "multiplyValue": "0.5556"
            },
            "transition": {
                "nextState": "Computation"
            }
        },
        {
            "name": "Computation",
            "actionMode": "sequential",
            "type": "operation",
            "actions": [
                {
                    "name": "subtract32",
                    "functionRef": {
                        "refName": "subtraction",
                        "parameters": {
                            "leftElement": "$.fahrenheit",
                            "rightElement": "$.subtractValue"
                        }
                    }
                },
                {
                    "name": "multiplyByFiveNinth",
                    "functionRef": {
                        "refName": "multiplication",
                        "parameters": {
                            "leftElement": "$.subtraction.difference",
                            "rightElement": "$.multiplyValue"
                        }
                    }
                }
            ],
            "transition": {
                "nextState": "FormatResult"
            }
        },
        {
            "name": "FormatResult",
            "type": "inject",
            "data": {
                "celsius": "$.multiplication.product"
            },
            "end": {
                "kind": "terminate"
            }
        }
    ]
}