Get Aria Automation Deployment Lease Time by remaining days

var deployments = System.getModule("com.vmware.pso.vRA").callVra("GET", "/deployment/api/deployments", "200", null)
deployments = JSON.parse(deployments)
var p = new Properties()
for ( var d in deployments.content){
    var deployment = deployments.content[d]
    if(deployment.leaseExpireAt){        
        var leaseExpireDate = deployment.leaseExpireAt
        var currentDate = convertIsoDateShort (new Date().toISOString())    
        for ( var o in diffDays){          
            var cDate = convertIsoDateShort(leaseExpireDate)
            var diffDay = diffDays[o]
            cDate.setDate(cDate.getDate()-diffDay);
            if(cDate.getTime() == currentDate.getTime()){             
                if(p != null && p.get(diffDay) != null){
                    p.put(diffDay, addItemIfNotExists(p.get(diffDay), deployment))
                }else{
                    var depl = []
                    depl.push(deployment)
                    p.put(diffDay, depl)
                }
            }
        }          
    }
}
if(p != null && p.keys !=0){
    var keys = p.keys
    for ( var k in keys){
        var key = keys[k]
        p.put(key, JSON.stringify(p.get(key), null, 4))
    }
    return p
}
return null

function convertIsoDateShort(isoDate){
    var myDate = isoDate.slice(0,-1)
        var [dateStr, timeStr] = myDate.split("T")
        var [year, month, day] = dateStr.split("-")
        var [hours, minutes, seconds] = timeStr.split(":")
        return new Date(year, month - 1, day)
}

function addItemIfNotExists(arr, item){
    var exists = false
    for ( var i in arr){
        var ele = arr[i]
        if(ele.id == item.id){
            exists = true
        }
    }
    if(!exists) arr.push(item)
    return arr
}