Create main.go

Author: qomaindo-dev

main.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"strings"
+)
+
+const (
+	filename = "datajson.json"
+)
+
+func main() {
+
+	plan, _ := ioutil.ReadFile(filename)
+	var data interface{}
+	err := json.Unmarshal(plan, &data)
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	dataConvString := string(plan)
+
+	hargaItem := GetHargaItem(dataConvString, "voucher10", "voucher", "Contoh Voucher")
+	fmt.Println("Harga perItem: ", hargaItem)
+}
+
+func GetHargaItem(dataArray, productCode, productType, productDesc string) float64 {
+
+	productDescReplace := strings.ReplaceAll(productDesc, " ", "_")
+
+	fmt.Println("productType: ", productType)
+	fmt.Println("productDescReplace: ", productDescReplace)
+
+	var dataMap map[string]interface{}
+	json.Unmarshal([]byte(dataArray), &dataMap)
+
+	dataMap2 := dataMap["data"].(map[string]interface{})
+
+	var totalHarga float64
+	feeTransaction := 500.0
+	for _, item := range dataMap2["pricelist"].([]interface{}) {
+		itemMap := item.(map[string]interface{})
+		if itemMap["product_code"] != nil && itemMap["product_code"].(string) != "" {
+			if strings.ToLower(itemMap["product_code"].(string)) == strings.ToLower(productCode) {
+				totalHarga += itemMap["product_price"].(float64) + feeTransaction
+			} else {
+				continue
+			}
+		}
+	}
+
+	return totalHarga
+}