Evaluation Engine

1.json

{
  "nodes": [
    {
      "conditions": [
        {
          "name": "total_price",
          "operator": ">=",
          "value": 200
        }
      ],
      "actions": "first_action_executed"
    }
  ],
  "parameters": {
    "total_price": 200
  }
}

2.json

{
  "nodes": [
    {
      "conditions": [
        {
          "name": "total_price",
          "operator": ">",
          "value": 200
        }
      ],
      "actions": "first_action_executed"
    },
    {
      "conditions": [
        {
          "name": "total_price",
          "operator": ">=",
          "value": 199
        },
        {
          "name": "tax",
          "operator": "<",
          "value": 1
        }
      ],
      "actions": "second_action_executed"
    },
    {
      "conditions": [
        {
          "name": "total_price",
          "operator": ">=",
          "value": 199
        },
        {
          "name": "total_order_price",
          "operator": "<",
          "value": 300
        }
      ],
      "actions": "third_action_executed"
    }
  ],
  "parameters": {
    "total_price": 200,
    "tax": 20,
    "total_order_price": 220
  }
}