https://github.com/sandesh300/Rule-Engine-Application

Rule Engine API Documentation

1. Create Rule

• Method: POST
• URL: http://localhost:8080/api/rules/create

Request Body:

{
  "ruleName": "rule 1",
  "ruleString": "((age > 30 AND department = 'Sales') OR (age < 25 AND department = 'Marketing')) AND (salary > 50000 OR experience > 5)"
}

Response (200):

{
  "rule": {
    "id": 48,
    "ruleName": "rule 1",
    "rootNode": {
      "id": 315,
      "type": "operator",
      "left": {
        "id": 311,
        "type": "operator",
        "left": {
          "id": 307,
          "type": "operator",
          "left": {
            "id": 305,
            "type": "operand",
            "left": null,
            "right": null,
            "value": "age > 30"
          },
          "right": {
            "id": 306,
            "type": "operand",
            "left": null,
            "right": null,
            "value": "department = 'Sales'"
          },
          "value": "AND"
        },
        "right": {
          "id": 310,
          "type": "operator",
          "left": {
            "id": 308,
            "type": "operand",
            "left": null,
            "right": null,
            "value": "age < 25"
          },
          "right": {
            "id": 309,
            "type": "operand",
            "left": null,
            "right": null,
            "value": "department = 'Marketing'"
          },
          "value": "AND"
        },
        "value": "OR"
      },
      "right": {
        "id": 314,
        "type": "operator",
        "left": {
          "id": 312,
          "type": "operand",
          "left": null,
          "right": null,
          "value": "salary > 50000"
        },
        "right": {
          "id": 313,
          "type": "operand",
          "left": null,
          "right": null,
          "value": "experience > 5"
        },
        "value": "OR"
      },
      "value": "AND"
    },
    "createdAt": [2024, 10, 24, 16, 23, 2, 918946100]
  },
  "message": "Rule created successfully"
}

2. Evaluate a Rule

• Method: POST
• URL: http://localhost:8080/api/rules/evaluate?ruleId=1

Request Body:

{
  "age": 35,
  "department": "Sales",
  "salary": 60000,
  "experience": 7
}

Response (200):

{
  "result": true,
  "message": "Rule conditions met",
  "evaluatedData": {
    "age": 35,
    "department": "Sales",
    "salary": 60000,
    "experience": 7
  }
}