Example of rule engine using node-rules
Get conditions from JSON file (or database)
[{
"property": "products",
"operator": "in",
"value": [
"57e3f55e307299deac7d07f2",
"57e3f564307299deac7d07f3"
]
}, {
"property": "price",
"operator": "lt",
"value": 5000
}]