FInd Highest Value inside Go Struct's Field

findHighestFieldInsideStruct.go

package main

import (
	"fmt"
	"encoding/json"
)



type ShippingCostReadModel struct {
	TypeId        string          `json:"typeId,omitempty"`
	TypeName      string          `json:"typeName,omitempty"`
	DestinationId string          `json:"destinationId,omitempty"`
	Destination   string          `json:"destination,omitempty"`
	ZipCode       string          `json:"zipCode,omitempty"`
	WebCost       int `json:"webCost,omitempty"`
	KGP           int `json:"KGP,omitempty"`
	KGS           int `json:"KGS,omitempty"`
	EstimatedDay  string          `json:"estimatedDay,omitempty"`
}

type ShippingCosts []ShippingCostReadModel

func (costs ShippingCosts) FindHighestCost() ShippingCostReadModel {
var biggest,n ShippingCostReadModel
   for _,v:=range costs {
    if n.WebCost < v.WebCost{
      n = v
      biggest = n
    } 
   }
   return biggest
}

var shippingDatas = []byte(` [
        {
            "typeId": "EXP0101",
            "typeName": "TIKI-REG",
            "destinationId": "",
            "destination": "Tarakan Barat",
            "zipCode": "77111",
            "webCost": 40000,
            "KGP": 40000,
            "KGS": 40000,
            "estimatedDay": "2"
        },
        {
            "typeId": "EXP0101",
            "typeName": "TIKI-REG",
            "destinationId": "",
            "destination": "Samarinda Ulu",
            "zipCode": "77111",
            "webCost": 40000,
            "KGP": 40000,
            "KGS": 40000,
            "estimatedDay": "2"
        },
        {
            "typeId": "EXP1901",
            "typeName": "JNE-REG",
            "destinationId": "TRK10011",
            "destination": "Tarakan Barat",
            "zipCode": "77111",
            "webCost": 54000,
            "KGP": 54000,
            "KGS": 54000,
            "estimatedDay": "3"
        },
        {
            "typeId": "EXP1901",
            "typeName": "JNE-REG",
            "destinationId": "SMD10010",
            "destination": "Samarinda Ulu",
            "zipCode": "77111",
            "webCost": 46000,
            "KGP": 46000,
            "KGS": 46000,
            "estimatedDay": "3"
        }
    ]`)

func main() {
	var shippings ShippingCosts
	_ = json.Unmarshal(shippingDatas, &shippings)
	
	fmt.Println(shippings.FindHighestCost())
}